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-rw-r--r--drivers/acpi/ec.c64
-rw-r--r--drivers/acpi/processor_throttling.c69
-rw-r--r--drivers/acpi/resource.c10
-rw-r--r--drivers/acpi/sleep.c7
-rw-r--r--drivers/base/firmware_class.c1
-rw-r--r--drivers/block/aoe/aoecmd.c4
-rw-r--r--drivers/block/mtip32xx/mtip32xx.h2
-rw-r--r--drivers/block/zram/zram_drv.c2
-rw-r--r--drivers/clk/at91/clk-master.c2
-rw-r--r--drivers/clk/clk-nomadik.c3
-rw-r--r--drivers/clk/clk.c13
-rw-r--r--drivers/clk/keystone/gate.c1
-rw-r--r--drivers/clk/mvebu/armada-370.c21
-rw-r--r--drivers/clk/mvebu/armada-xp.c20
-rw-r--r--drivers/clk/mvebu/dove.c19
-rw-r--r--drivers/clk/mvebu/kirkwood.c34
-rw-r--r--drivers/clk/shmobile/clk-rcar-gen2.c48
-rw-r--r--drivers/clk/tegra/clk-divider.c2
-rw-r--r--drivers/clk/tegra/clk-id.h4
-rw-r--r--drivers/clk/tegra/clk-tegra-periph.c10
-rw-r--r--drivers/clk/tegra/clk-tegra-super-gen4.c2
-rw-r--r--drivers/clk/tegra/clk-tegra114.c8
-rw-r--r--drivers/clk/tegra/clk-tegra124.c48
-rw-r--r--drivers/clk/tegra/clk-tegra20.c2
-rw-r--r--drivers/cpufreq/cpufreq.c51
-rw-r--r--drivers/cpufreq/intel_pstate.c28
-rw-r--r--drivers/dma/imx-sdma.c1
-rw-r--r--drivers/dma/ioat/dma.c52
-rw-r--r--drivers/dma/ioat/dma.h1
-rw-r--r--drivers/dma/ioat/dma_v2.c11
-rw-r--r--drivers/dma/ioat/dma_v3.c3
-rw-r--r--drivers/dma/ste_dma40.c4
-rw-r--r--drivers/edac/i7300_edac.c38
-rw-r--r--drivers/edac/i7core_edac.c9
-rw-r--r--drivers/extcon/extcon-arizona.c12
-rw-r--r--drivers/fmc/fmc-write-eeprom.c2
-rw-r--r--drivers/gpu/drm/armada/armada_drv.c10
-rw-r--r--drivers/gpu/drm/bochs/Kconfig1
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c23
-rw-r--r--drivers/gpu/drm/i915/i915_gem_stolen.c19
-rw-r--r--drivers/gpu/drm/i915/intel_display.c8
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c6
-rw-r--r--drivers/gpu/drm/i915/intel_panel.c4
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c6
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c16
-rw-r--r--drivers/gpu/drm/radeon/atombios_encoders.c2
-rw-r--r--drivers/gpu/drm/radeon/cik.c5
-rw-r--r--drivers/gpu/drm/radeon/dce6_afmt.c15
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c5
-rw-r--r--drivers/gpu/drm/radeon/evergreen_hdmi.c26
-rw-r--r--drivers/gpu/drm/radeon/evergreen_smc.h2
-rw-r--r--drivers/gpu/drm/radeon/ni.c3
-rw-r--r--drivers/gpu/drm/radeon/r100.c2
-rw-r--r--drivers/gpu/drm/radeon/r300.c2
-rw-r--r--drivers/gpu/drm/radeon/r420.c2
-rw-r--r--drivers/gpu/drm/radeon/r520.c2
-rw-r--r--drivers/gpu/drm/radeon/r600.c3
-rw-r--r--drivers/gpu/drm/radeon/r600_audio.c14
-rw-r--r--drivers/gpu/drm/radeon/r600_hdmi.c15
-rw-r--r--drivers/gpu/drm/radeon/radeon.h6
-rw-r--r--drivers/gpu/drm/radeon/radeon_atpx_handler.c3
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c5
-rw-r--r--drivers/gpu/drm/radeon/radeon_kms.c6
-rw-r--r--drivers/gpu/drm/radeon/radeon_ttm.c5
-rw-r--r--drivers/gpu/drm/radeon/radeon_uvd.c2
-rw-r--r--drivers/gpu/drm/radeon/rs400.c2
-rw-r--r--drivers/gpu/drm/radeon/rs600.c2
-rw-r--r--drivers/gpu/drm/radeon/rs690.c2
-rw-r--r--drivers/gpu/drm/radeon/rv515.c2
-rw-r--r--drivers/gpu/drm/radeon/rv770.c5
-rw-r--r--drivers/gpu/drm/radeon/si.c3
-rw-r--r--drivers/gpu/drm/tegra/drm.c2
-rw-r--r--drivers/gpu/drm/tegra/rgb.c11
-rw-r--r--drivers/gpu/drm/vmwgfx/svga3d_reg.h7
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.h2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_mob.c35
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_resource.c3
-rw-r--r--drivers/gpu/host1x/job.c2
-rw-r--r--drivers/iio/gyro/Kconfig2
-rw-r--r--drivers/iio/gyro/st_gyro.h1
-rw-r--r--drivers/iio/gyro/st_gyro_core.c9
-rw-r--r--drivers/iio/gyro/st_gyro_i2c.c1
-rw-r--r--drivers/iio/gyro/st_gyro_spi.c1
-rw-r--r--drivers/iio/light/cm32181.c16
-rw-r--r--drivers/iio/light/cm36651.c45
-rw-r--r--drivers/infiniband/hw/mlx4/main.c4
-rw-r--r--drivers/infiniband/hw/mlx5/main.c4
-rw-r--r--drivers/input/misc/arizona-haptics.c19
-rw-r--r--drivers/iommu/omap-iommu-debug.c4
-rw-r--r--drivers/irqchip/irq-metag-ext.c2
-rw-r--r--drivers/irqchip/irq-metag.c2
-rw-r--r--drivers/md/Kconfig10
-rw-r--r--drivers/md/dm-cache-policy-mq.c4
-rw-r--r--drivers/md/dm-cache-target.c13
-rw-r--r--drivers/md/dm-io.c23
-rw-r--r--drivers/md/dm-mpath.c7
-rw-r--r--drivers/md/dm-raid1.c3
-rw-r--r--drivers/md/dm-snap-persistent.c3
-rw-r--r--drivers/md/dm-thin-metadata.c58
-rw-r--r--drivers/md/dm-thin-metadata.h21
-rw-r--r--drivers/md/dm-thin.c343
-rw-r--r--drivers/md/persistent-data/Kconfig10
-rw-r--r--drivers/md/persistent-data/dm-space-map-metadata.c115
-rw-r--r--drivers/md/persistent-data/dm-space-map-metadata.h11
-rw-r--r--drivers/mtd/nand/nand_base.c2
-rw-r--r--drivers/mtd/nand/omap2.c61
-rw-r--r--drivers/mtd/ubi/fastmap.c8
-rw-r--r--drivers/net/bonding/bond_3ad.c16
-rw-r--r--drivers/net/bonding/bond_main.c124
-rw-r--r--drivers/net/bonding/bonding.h47
-rw-r--r--drivers/net/can/flexcan.c172
-rw-r--r--drivers/net/ethernet/broadcom/b44.c14
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c9
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c3
-rw-r--r--drivers/net/ethernet/broadcom/tg3.h6
-rw-r--r--drivers/net/ethernet/brocade/bna/bnad.c40
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c1
-rw-r--r--drivers/net/ethernet/emulex/benet/be.h4
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c84
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c13
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/mlx4.h4
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/mlx4_en.h4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/main.c4
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c1
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c4
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c5
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c9
-rw-r--r--drivers/net/ethernet/realtek/r8169.c2
-rw-r--r--drivers/net/ethernet/sfc/ptp.c7
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c2
-rw-r--r--drivers/net/ethernet/ti/cpsw.c6
-rw-r--r--drivers/net/macvlan.c7
-rw-r--r--drivers/net/phy/phy_device.c16
-rw-r--r--drivers/net/tun.c4
-rw-r--r--drivers/net/usb/ax88179_178a.c34
-rw-r--r--drivers/net/veth.c3
-rw-r--r--drivers/net/virtio_net.c3
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h4
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c8
-rw-r--r--drivers/net/wireless/ath/ath9k/recv.c70
-rw-r--r--drivers/net/wireless/ath/ath9k/xmit.c13
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c14
-rw-r--r--drivers/net/wireless/hostap/hostap_ap.c2
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/sta.c1
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/tx.c14
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/mvm.h2
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/tx.c18
-rw-r--r--drivers/net/wireless/libertas/cfg.c2
-rw-r--r--drivers/net/wireless/mwifiex/pcie.c34
-rw-r--r--drivers/net/wireless/mwifiex/usb.c12
-rw-r--r--drivers/net/wireless/mwifiex/wmm.c3
-rw-r--r--drivers/net/xen-netfront.c1
-rw-r--r--drivers/pinctrl/Kconfig2
-rw-r--r--drivers/pinctrl/pinctrl-sunxi.c6
-rw-r--r--drivers/pinctrl/pinctrl-sunxi.h6
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-r8a7791.c6
-rw-r--r--drivers/pinctrl/sirf/pinctrl-sirf.c4
-rw-r--r--drivers/pwm/pwm-lp3943.c4
-rw-r--r--drivers/rapidio/devices/tsi721.h1
-rw-r--r--drivers/rapidio/devices/tsi721_dma.c27
-rw-r--r--drivers/regulator/core.c48
-rw-r--r--drivers/rtc/rtc-s3c.c17
-rw-r--r--drivers/s390/cio/chsc.c1
-rw-r--r--drivers/s390/crypto/zcrypt_msgtype6.c24
-rw-r--r--drivers/s390/net/qeth_core_main.c5
-rw-r--r--drivers/s390/net/qeth_l2_main.c3
-rw-r--r--drivers/s390/net/qeth_l3_main.c3
-rw-r--r--drivers/scsi/qla2xxx/qla_target.c42
-rw-r--r--drivers/scsi/qla2xxx/qla_target.h2
-rw-r--r--drivers/scsi/qla2xxx/tcm_qla2xxx.c158
-rw-r--r--drivers/scsi/qla2xxx/tcm_qla2xxx.h7
-rw-r--r--drivers/staging/iio/adc/mxs-lradc.c1
-rw-r--r--drivers/staging/rtl8188eu/os_dep/usb_intf.c1
-rw-r--r--drivers/target/target_core_sbc.c15
-rw-r--r--drivers/target/target_core_transport.c3
-rw-r--r--drivers/usb/host/ehci-hcd.c13
-rw-r--r--drivers/usb/serial/ftdi_sio.c2
-rw-r--r--drivers/usb/serial/ftdi_sio_ids.h6
-rw-r--r--drivers/vfio/vfio_iommu_type1.c4
-rw-r--r--drivers/vhost/scsi.c6
180 files changed, 1976 insertions, 993 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 959d41acc108..d7d32c28829b 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -67,6 +67,8 @@ enum ec_command {
67#define ACPI_EC_DELAY 500 /* Wait 500ms max. during EC ops */ 67#define ACPI_EC_DELAY 500 /* Wait 500ms max. during EC ops */
68#define ACPI_EC_UDELAY_GLK 1000 /* Wait 1ms max. to get global lock */ 68#define ACPI_EC_UDELAY_GLK 1000 /* Wait 1ms max. to get global lock */
69#define ACPI_EC_MSI_UDELAY 550 /* Wait 550us for MSI EC */ 69#define ACPI_EC_MSI_UDELAY 550 /* Wait 550us for MSI EC */
70#define ACPI_EC_CLEAR_MAX 100 /* Maximum number of events to query
71 * when trying to clear the EC */
70 72
71enum { 73enum {
72 EC_FLAGS_QUERY_PENDING, /* Query is pending */ 74 EC_FLAGS_QUERY_PENDING, /* Query is pending */
@@ -116,6 +118,7 @@ EXPORT_SYMBOL(first_ec);
116static int EC_FLAGS_MSI; /* Out-of-spec MSI controller */ 118static int EC_FLAGS_MSI; /* Out-of-spec MSI controller */
117static int EC_FLAGS_VALIDATE_ECDT; /* ASUStec ECDTs need to be validated */ 119static int EC_FLAGS_VALIDATE_ECDT; /* ASUStec ECDTs need to be validated */
118static int EC_FLAGS_SKIP_DSDT_SCAN; /* Not all BIOS survive early DSDT scan */ 120static int EC_FLAGS_SKIP_DSDT_SCAN; /* Not all BIOS survive early DSDT scan */
121static int EC_FLAGS_CLEAR_ON_RESUME; /* Needs acpi_ec_clear() on boot/resume */
119 122
120/* -------------------------------------------------------------------------- 123/* --------------------------------------------------------------------------
121 Transaction Management 124 Transaction Management
@@ -440,6 +443,29 @@ acpi_handle ec_get_handle(void)
440 443
441EXPORT_SYMBOL(ec_get_handle); 444EXPORT_SYMBOL(ec_get_handle);
442 445
446static int acpi_ec_query_unlocked(struct acpi_ec *ec, u8 *data);
447
448/*
449 * Clears stale _Q events that might have accumulated in the EC.
450 * Run with locked ec mutex.
451 */
452static void acpi_ec_clear(struct acpi_ec *ec)
453{
454 int i, status;
455 u8 value = 0;
456
457 for (i = 0; i < ACPI_EC_CLEAR_MAX; i++) {
458 status = acpi_ec_query_unlocked(ec, &value);
459 if (status || !value)
460 break;
461 }
462
463 if (unlikely(i == ACPI_EC_CLEAR_MAX))
464 pr_warn("Warning: Maximum of %d stale EC events cleared\n", i);
465 else
466 pr_info("%d stale EC events cleared\n", i);
467}
468
443void acpi_ec_block_transactions(void) 469void acpi_ec_block_transactions(void)
444{ 470{
445 struct acpi_ec *ec = first_ec; 471 struct acpi_ec *ec = first_ec;
@@ -463,6 +489,10 @@ void acpi_ec_unblock_transactions(void)
463 mutex_lock(&ec->mutex); 489 mutex_lock(&ec->mutex);
464 /* Allow transactions to be carried out again */ 490 /* Allow transactions to be carried out again */
465 clear_bit(EC_FLAGS_BLOCKED, &ec->flags); 491 clear_bit(EC_FLAGS_BLOCKED, &ec->flags);
492
493 if (EC_FLAGS_CLEAR_ON_RESUME)
494 acpi_ec_clear(ec);
495
466 mutex_unlock(&ec->mutex); 496 mutex_unlock(&ec->mutex);
467} 497}
468 498
@@ -821,6 +851,13 @@ static int acpi_ec_add(struct acpi_device *device)
821 851
822 /* EC is fully operational, allow queries */ 852 /* EC is fully operational, allow queries */
823 clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags); 853 clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags);
854
855 /* Clear stale _Q events if hardware might require that */
856 if (EC_FLAGS_CLEAR_ON_RESUME) {
857 mutex_lock(&ec->mutex);
858 acpi_ec_clear(ec);
859 mutex_unlock(&ec->mutex);
860 }
824 return ret; 861 return ret;
825} 862}
826 863
@@ -922,6 +959,30 @@ static int ec_enlarge_storm_threshold(const struct dmi_system_id *id)
922 return 0; 959 return 0;
923} 960}
924 961
962/*
963 * On some hardware it is necessary to clear events accumulated by the EC during
964 * sleep. These ECs stop reporting GPEs until they are manually polled, if too
965 * many events are accumulated. (e.g. Samsung Series 5/9 notebooks)
966 *
967 * https://bugzilla.kernel.org/show_bug.cgi?id=44161
968 *
969 * Ideally, the EC should also be instructed NOT to accumulate events during
970 * sleep (which Windows seems to do somehow), but the interface to control this
971 * behaviour is not known at this time.
972 *
973 * Models known to be affected are Samsung 530Uxx/535Uxx/540Uxx/550Pxx/900Xxx,
974 * however it is very likely that other Samsung models are affected.
975 *
976 * On systems which don't accumulate _Q events during sleep, this extra check
977 * should be harmless.
978 */
979static int ec_clear_on_resume(const struct dmi_system_id *id)
980{
981 pr_debug("Detected system needing EC poll on resume.\n");
982 EC_FLAGS_CLEAR_ON_RESUME = 1;
983 return 0;
984}
985
925static struct dmi_system_id ec_dmi_table[] __initdata = { 986static struct dmi_system_id ec_dmi_table[] __initdata = {
926 { 987 {
927 ec_skip_dsdt_scan, "Compal JFL92", { 988 ec_skip_dsdt_scan, "Compal JFL92", {
@@ -965,6 +1026,9 @@ static struct dmi_system_id ec_dmi_table[] __initdata = {
965 ec_validate_ecdt, "ASUS hardware", { 1026 ec_validate_ecdt, "ASUS hardware", {
966 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTek Computer Inc."), 1027 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTek Computer Inc."),
967 DMI_MATCH(DMI_PRODUCT_NAME, "L4R"),}, NULL}, 1028 DMI_MATCH(DMI_PRODUCT_NAME, "L4R"),}, NULL},
1029 {
1030 ec_clear_on_resume, "Samsung hardware", {
1031 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD.")}, NULL},
968 {}, 1032 {},
969}; 1033};
970 1034
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index 28baa05b8018..84243c32e29c 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -56,6 +56,12 @@ struct throttling_tstate {
56 int target_state; /* target T-state */ 56 int target_state; /* target T-state */
57}; 57};
58 58
59struct acpi_processor_throttling_arg {
60 struct acpi_processor *pr;
61 int target_state;
62 bool force;
63};
64
59#define THROTTLING_PRECHANGE (1) 65#define THROTTLING_PRECHANGE (1)
60#define THROTTLING_POSTCHANGE (2) 66#define THROTTLING_POSTCHANGE (2)
61 67
@@ -1060,16 +1066,24 @@ static int acpi_processor_set_throttling_ptc(struct acpi_processor *pr,
1060 return 0; 1066 return 0;
1061} 1067}
1062 1068
1069static long acpi_processor_throttling_fn(void *data)
1070{
1071 struct acpi_processor_throttling_arg *arg = data;
1072 struct acpi_processor *pr = arg->pr;
1073
1074 return pr->throttling.acpi_processor_set_throttling(pr,
1075 arg->target_state, arg->force);
1076}
1077
1063int acpi_processor_set_throttling(struct acpi_processor *pr, 1078int acpi_processor_set_throttling(struct acpi_processor *pr,
1064 int state, bool force) 1079 int state, bool force)
1065{ 1080{
1066 cpumask_var_t saved_mask;
1067 int ret = 0; 1081 int ret = 0;
1068 unsigned int i; 1082 unsigned int i;
1069 struct acpi_processor *match_pr; 1083 struct acpi_processor *match_pr;
1070 struct acpi_processor_throttling *p_throttling; 1084 struct acpi_processor_throttling *p_throttling;
1085 struct acpi_processor_throttling_arg arg;
1071 struct throttling_tstate t_state; 1086 struct throttling_tstate t_state;
1072 cpumask_var_t online_throttling_cpus;
1073 1087
1074 if (!pr) 1088 if (!pr)
1075 return -EINVAL; 1089 return -EINVAL;
@@ -1080,14 +1094,6 @@ int acpi_processor_set_throttling(struct acpi_processor *pr,
1080 if ((state < 0) || (state > (pr->throttling.state_count - 1))) 1094 if ((state < 0) || (state > (pr->throttling.state_count - 1)))
1081 return -EINVAL; 1095 return -EINVAL;
1082 1096
1083 if (!alloc_cpumask_var(&saved_mask, GFP_KERNEL))
1084 return -ENOMEM;
1085
1086 if (!alloc_cpumask_var(&online_throttling_cpus, GFP_KERNEL)) {
1087 free_cpumask_var(saved_mask);
1088 return -ENOMEM;
1089 }
1090
1091 if (cpu_is_offline(pr->id)) { 1097 if (cpu_is_offline(pr->id)) {
1092 /* 1098 /*
1093 * the cpu pointed by pr->id is offline. Unnecessary to change 1099 * the cpu pointed by pr->id is offline. Unnecessary to change
@@ -1096,17 +1102,15 @@ int acpi_processor_set_throttling(struct acpi_processor *pr,
1096 return -ENODEV; 1102 return -ENODEV;
1097 } 1103 }
1098 1104
1099 cpumask_copy(saved_mask, &current->cpus_allowed);
1100 t_state.target_state = state; 1105 t_state.target_state = state;
1101 p_throttling = &(pr->throttling); 1106 p_throttling = &(pr->throttling);
1102 cpumask_and(online_throttling_cpus, cpu_online_mask, 1107
1103 p_throttling->shared_cpu_map);
1104 /* 1108 /*
1105 * The throttling notifier will be called for every 1109 * The throttling notifier will be called for every
1106 * affected cpu in order to get one proper T-state. 1110 * affected cpu in order to get one proper T-state.
1107 * The notifier event is THROTTLING_PRECHANGE. 1111 * The notifier event is THROTTLING_PRECHANGE.
1108 */ 1112 */
1109 for_each_cpu(i, online_throttling_cpus) { 1113 for_each_cpu_and(i, cpu_online_mask, p_throttling->shared_cpu_map) {
1110 t_state.cpu = i; 1114 t_state.cpu = i;
1111 acpi_processor_throttling_notifier(THROTTLING_PRECHANGE, 1115 acpi_processor_throttling_notifier(THROTTLING_PRECHANGE,
1112 &t_state); 1116 &t_state);
@@ -1118,21 +1122,18 @@ int acpi_processor_set_throttling(struct acpi_processor *pr,
1118 * it can be called only for the cpu pointed by pr. 1122 * it can be called only for the cpu pointed by pr.
1119 */ 1123 */
1120 if (p_throttling->shared_type == DOMAIN_COORD_TYPE_SW_ANY) { 1124 if (p_throttling->shared_type == DOMAIN_COORD_TYPE_SW_ANY) {
1121 /* FIXME: use work_on_cpu() */ 1125 arg.pr = pr;
1122 if (set_cpus_allowed_ptr(current, cpumask_of(pr->id))) { 1126 arg.target_state = state;
1123 /* Can't migrate to the pr->id CPU. Exit */ 1127 arg.force = force;
1124 ret = -ENODEV; 1128 ret = work_on_cpu(pr->id, acpi_processor_throttling_fn, &arg);
1125 goto exit;
1126 }
1127 ret = p_throttling->acpi_processor_set_throttling(pr,
1128 t_state.target_state, force);
1129 } else { 1129 } else {
1130 /* 1130 /*
1131 * When the T-state coordination is SW_ALL or HW_ALL, 1131 * When the T-state coordination is SW_ALL or HW_ALL,
1132 * it is necessary to set T-state for every affected 1132 * it is necessary to set T-state for every affected
1133 * cpus. 1133 * cpus.
1134 */ 1134 */
1135 for_each_cpu(i, online_throttling_cpus) { 1135 for_each_cpu_and(i, cpu_online_mask,
1136 p_throttling->shared_cpu_map) {
1136 match_pr = per_cpu(processors, i); 1137 match_pr = per_cpu(processors, i);
1137 /* 1138 /*
1138 * If the pointer is invalid, we will report the 1139 * If the pointer is invalid, we will report the
@@ -1153,13 +1154,12 @@ int acpi_processor_set_throttling(struct acpi_processor *pr,
1153 "on CPU %d\n", i)); 1154 "on CPU %d\n", i));
1154 continue; 1155 continue;
1155 } 1156 }
1156 t_state.cpu = i; 1157
1157 /* FIXME: use work_on_cpu() */ 1158 arg.pr = match_pr;
1158 if (set_cpus_allowed_ptr(current, cpumask_of(i))) 1159 arg.target_state = state;
1159 continue; 1160 arg.force = force;
1160 ret = match_pr->throttling. 1161 ret = work_on_cpu(pr->id, acpi_processor_throttling_fn,
1161 acpi_processor_set_throttling( 1162 &arg);
1162 match_pr, t_state.target_state, force);
1163 } 1163 }
1164 } 1164 }
1165 /* 1165 /*
@@ -1168,17 +1168,12 @@ int acpi_processor_set_throttling(struct acpi_processor *pr,
1168 * affected cpu to update the T-states. 1168 * affected cpu to update the T-states.
1169 * The notifier event is THROTTLING_POSTCHANGE 1169 * The notifier event is THROTTLING_POSTCHANGE
1170 */ 1170 */
1171 for_each_cpu(i, online_throttling_cpus) { 1171 for_each_cpu_and(i, cpu_online_mask, p_throttling->shared_cpu_map) {
1172 t_state.cpu = i; 1172 t_state.cpu = i;
1173 acpi_processor_throttling_notifier(THROTTLING_POSTCHANGE, 1173 acpi_processor_throttling_notifier(THROTTLING_POSTCHANGE,
1174 &t_state); 1174 &t_state);
1175 } 1175 }
1176 /* restore the previous state */ 1176
1177 /* FIXME: use work_on_cpu() */
1178 set_cpus_allowed_ptr(current, saved_mask);
1179exit:
1180 free_cpumask_var(online_throttling_cpus);
1181 free_cpumask_var(saved_mask);
1182 return ret; 1177 return ret;
1183} 1178}
1184 1179
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index b7201fc6f1e1..0bdacc5e26a3 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -77,18 +77,24 @@ bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res)
77 switch (ares->type) { 77 switch (ares->type) {
78 case ACPI_RESOURCE_TYPE_MEMORY24: 78 case ACPI_RESOURCE_TYPE_MEMORY24:
79 memory24 = &ares->data.memory24; 79 memory24 = &ares->data.memory24;
80 if (!memory24->address_length)
81 return false;
80 acpi_dev_get_memresource(res, memory24->minimum, 82 acpi_dev_get_memresource(res, memory24->minimum,
81 memory24->address_length, 83 memory24->address_length,
82 memory24->write_protect); 84 memory24->write_protect);
83 break; 85 break;
84 case ACPI_RESOURCE_TYPE_MEMORY32: 86 case ACPI_RESOURCE_TYPE_MEMORY32:
85 memory32 = &ares->data.memory32; 87 memory32 = &ares->data.memory32;
88 if (!memory32->address_length)
89 return false;
86 acpi_dev_get_memresource(res, memory32->minimum, 90 acpi_dev_get_memresource(res, memory32->minimum,
87 memory32->address_length, 91 memory32->address_length,
88 memory32->write_protect); 92 memory32->write_protect);
89 break; 93 break;
90 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: 94 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
91 fixed_memory32 = &ares->data.fixed_memory32; 95 fixed_memory32 = &ares->data.fixed_memory32;
96 if (!fixed_memory32->address_length)
97 return false;
92 acpi_dev_get_memresource(res, fixed_memory32->address, 98 acpi_dev_get_memresource(res, fixed_memory32->address,
93 fixed_memory32->address_length, 99 fixed_memory32->address_length,
94 fixed_memory32->write_protect); 100 fixed_memory32->write_protect);
@@ -144,12 +150,16 @@ bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res)
144 switch (ares->type) { 150 switch (ares->type) {
145 case ACPI_RESOURCE_TYPE_IO: 151 case ACPI_RESOURCE_TYPE_IO:
146 io = &ares->data.io; 152 io = &ares->data.io;
153 if (!io->address_length)
154 return false;
147 acpi_dev_get_ioresource(res, io->minimum, 155 acpi_dev_get_ioresource(res, io->minimum,
148 io->address_length, 156 io->address_length,
149 io->io_decode); 157 io->io_decode);
150 break; 158 break;
151 case ACPI_RESOURCE_TYPE_FIXED_IO: 159 case ACPI_RESOURCE_TYPE_FIXED_IO:
152 fixed_io = &ares->data.fixed_io; 160 fixed_io = &ares->data.fixed_io;
161 if (!fixed_io->address_length)
162 return false;
153 acpi_dev_get_ioresource(res, fixed_io->address, 163 acpi_dev_get_ioresource(res, fixed_io->address,
154 fixed_io->address_length, 164 fixed_io->address_length,
155 ACPI_DECODE_10); 165 ACPI_DECODE_10);
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index b718806657cd..b0f6c4a2a119 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -807,7 +807,12 @@ int __init acpi_sleep_init(void)
807 acpi_sleep_hibernate_setup(); 807 acpi_sleep_hibernate_setup();
808 808
809 status = acpi_get_sleep_type_data(ACPI_STATE_S5, &type_a, &type_b); 809 status = acpi_get_sleep_type_data(ACPI_STATE_S5, &type_a, &type_b);
810 if (ACPI_SUCCESS(status)) { 810 /*
811 * Check both ACPI S5 object and ACPI sleep registers to
812 * install pm_power_off_prepare/pm_power_off hook
813 */
814 if (ACPI_SUCCESS(status) && acpi_gbl_FADT.sleep_control.address
815 && acpi_gbl_FADT.sleep_status.address) {
811 sleep_states[ACPI_STATE_S5] = 1; 816 sleep_states[ACPI_STATE_S5] = 1;
812 pm_power_off_prepare = acpi_power_off_prepare; 817 pm_power_off_prepare = acpi_power_off_prepare;
813 pm_power_off = acpi_power_off; 818 pm_power_off = acpi_power_off;
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 8a97ddfa6122..c30df50e4440 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -1580,6 +1580,7 @@ static int fw_pm_notify(struct notifier_block *notify_block,
1580 switch (mode) { 1580 switch (mode) {
1581 case PM_HIBERNATION_PREPARE: 1581 case PM_HIBERNATION_PREPARE:
1582 case PM_SUSPEND_PREPARE: 1582 case PM_SUSPEND_PREPARE:
1583 case PM_RESTORE_PREPARE:
1583 kill_requests_without_uevent(); 1584 kill_requests_without_uevent();
1584 device_cache_fw_images(); 1585 device_cache_fw_images();
1585 break; 1586 break;
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 8184451b57c0..422b7d84f686 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -874,7 +874,7 @@ bio_pageinc(struct bio *bio)
874 /* Non-zero page count for non-head members of 874 /* Non-zero page count for non-head members of
875 * compound pages is no longer allowed by the kernel. 875 * compound pages is no longer allowed by the kernel.
876 */ 876 */
877 page = compound_trans_head(bv.bv_page); 877 page = compound_head(bv.bv_page);
878 atomic_inc(&page->_count); 878 atomic_inc(&page->_count);
879 } 879 }
880} 880}
@@ -887,7 +887,7 @@ bio_pagedec(struct bio *bio)
887 struct bvec_iter iter; 887 struct bvec_iter iter;
888 888
889 bio_for_each_segment(bv, bio, iter) { 889 bio_for_each_segment(bv, bio, iter) {
890 page = compound_trans_head(bv.bv_page); 890 page = compound_head(bv.bv_page);
891 atomic_dec(&page->_count); 891 atomic_dec(&page->_count);
892 } 892 }
893} 893}
diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h
index b52e9a6d6aad..54174cb32feb 100644
--- a/drivers/block/mtip32xx/mtip32xx.h
+++ b/drivers/block/mtip32xx/mtip32xx.h
@@ -53,7 +53,7 @@
53#define MTIP_FTL_REBUILD_TIMEOUT_MS 2400000 53#define MTIP_FTL_REBUILD_TIMEOUT_MS 2400000
54 54
55/* unaligned IO handling */ 55/* unaligned IO handling */
56#define MTIP_MAX_UNALIGNED_SLOTS 8 56#define MTIP_MAX_UNALIGNED_SLOTS 2
57 57
58/* Macro to extract the tag bit number from a tag value. */ 58/* Macro to extract the tag bit number from a tag value. */
59#define MTIP_TAG_BIT(tag) (tag & 0x1F) 59#define MTIP_TAG_BIT(tag) (tag & 0x1F)
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 011e55d820b1..51c557cfd92b 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -612,6 +612,8 @@ static ssize_t disksize_store(struct device *dev,
612 612
613 disksize = PAGE_ALIGN(disksize); 613 disksize = PAGE_ALIGN(disksize);
614 meta = zram_meta_alloc(disksize); 614 meta = zram_meta_alloc(disksize);
615 if (!meta)
616 return -ENOMEM;
615 down_write(&zram->init_lock); 617 down_write(&zram->init_lock);
616 if (zram->init_done) { 618 if (zram->init_done) {
617 up_write(&zram->init_lock); 619 up_write(&zram->init_lock);
diff --git a/drivers/clk/at91/clk-master.c b/drivers/clk/at91/clk-master.c
index bd313f7816a8..c1af80bcdf20 100644
--- a/drivers/clk/at91/clk-master.c
+++ b/drivers/clk/at91/clk-master.c
@@ -242,7 +242,7 @@ of_at91_clk_master_setup(struct device_node *np, struct at91_pmc *pmc,
242 242
243 irq = irq_of_parse_and_map(np, 0); 243 irq = irq_of_parse_and_map(np, 0);
244 if (!irq) 244 if (!irq)
245 return; 245 goto out_free_characteristics;
246 246
247 clk = at91_clk_register_master(pmc, irq, name, num_parents, 247 clk = at91_clk_register_master(pmc, irq, name, num_parents,
248 parent_names, layout, 248 parent_names, layout,
diff --git a/drivers/clk/clk-nomadik.c b/drivers/clk/clk-nomadik.c
index 6a934a5296bd..05e04ce0f148 100644
--- a/drivers/clk/clk-nomadik.c
+++ b/drivers/clk/clk-nomadik.c
@@ -494,6 +494,9 @@ static const struct file_operations nomadik_src_clk_debugfs_ops = {
494 494
495static int __init nomadik_src_clk_init_debugfs(void) 495static int __init nomadik_src_clk_init_debugfs(void)
496{ 496{
497 /* Vital for multiplatform */
498 if (!src_base)
499 return -ENODEV;
497 src_pcksr0_boot = readl(src_base + SRC_PCKSR0); 500 src_pcksr0_boot = readl(src_base + SRC_PCKSR0);
498 src_pcksr1_boot = readl(src_base + SRC_PCKSR1); 501 src_pcksr1_boot = readl(src_base + SRC_PCKSR1);
499 debugfs_create_file("nomadik-src-clk", S_IFREG | S_IRUGO, 502 debugfs_create_file("nomadik-src-clk", S_IFREG | S_IRUGO,
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 5517944495d8..c42e608af6bb 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -2226,24 +2226,25 @@ EXPORT_SYMBOL_GPL(devm_clk_unregister);
2226 */ 2226 */
2227int __clk_get(struct clk *clk) 2227int __clk_get(struct clk *clk)
2228{ 2228{
2229 if (clk && !try_module_get(clk->owner)) 2229 if (clk) {
2230 return 0; 2230 if (!try_module_get(clk->owner))
2231 return 0;
2231 2232
2232 kref_get(&clk->ref); 2233 kref_get(&clk->ref);
2234 }
2233 return 1; 2235 return 1;
2234} 2236}
2235 2237
2236void __clk_put(struct clk *clk) 2238void __clk_put(struct clk *clk)
2237{ 2239{
2238 if (WARN_ON_ONCE(IS_ERR(clk))) 2240 if (!clk || WARN_ON_ONCE(IS_ERR(clk)))
2239 return; 2241 return;
2240 2242
2241 clk_prepare_lock(); 2243 clk_prepare_lock();
2242 kref_put(&clk->ref, __clk_release); 2244 kref_put(&clk->ref, __clk_release);
2243 clk_prepare_unlock(); 2245 clk_prepare_unlock();
2244 2246
2245 if (clk) 2247 module_put(clk->owner);
2246 module_put(clk->owner);
2247} 2248}
2248 2249
2249/*** clk rate change notifiers ***/ 2250/*** clk rate change notifiers ***/
diff --git a/drivers/clk/keystone/gate.c b/drivers/clk/keystone/gate.c
index 17a598398a53..86f1e362eafb 100644
--- a/drivers/clk/keystone/gate.c
+++ b/drivers/clk/keystone/gate.c
@@ -179,6 +179,7 @@ static struct clk *clk_register_psc(struct device *dev,
179 179
180 init.name = name; 180 init.name = name;
181 init.ops = &clk_psc_ops; 181 init.ops = &clk_psc_ops;
182 init.flags = 0;
182 init.parent_names = (parent_name ? &parent_name : NULL); 183 init.parent_names = (parent_name ? &parent_name : NULL);
183 init.num_parents = (parent_name ? 1 : 0); 184 init.num_parents = (parent_name ? 1 : 0);
184 185
diff --git a/drivers/clk/mvebu/armada-370.c b/drivers/clk/mvebu/armada-370.c
index 81a202d12a7a..bef198a83863 100644
--- a/drivers/clk/mvebu/armada-370.c
+++ b/drivers/clk/mvebu/armada-370.c
@@ -141,13 +141,6 @@ static const struct coreclk_soc_desc a370_coreclks = {
141 .num_ratios = ARRAY_SIZE(a370_coreclk_ratios), 141 .num_ratios = ARRAY_SIZE(a370_coreclk_ratios),
142}; 142};
143 143
144static void __init a370_coreclk_init(struct device_node *np)
145{
146 mvebu_coreclk_setup(np, &a370_coreclks);
147}
148CLK_OF_DECLARE(a370_core_clk, "marvell,armada-370-core-clock",
149 a370_coreclk_init);
150
151/* 144/*
152 * Clock Gating Control 145 * Clock Gating Control
153 */ 146 */
@@ -168,9 +161,15 @@ static const struct clk_gating_soc_desc a370_gating_desc[] __initconst = {
168 { } 161 { }
169}; 162};
170 163
171static void __init a370_clk_gating_init(struct device_node *np) 164static void __init a370_clk_init(struct device_node *np)
172{ 165{
173 mvebu_clk_gating_setup(np, a370_gating_desc); 166 struct device_node *cgnp =
167 of_find_compatible_node(NULL, NULL, "marvell,armada-370-gating-clock");
168
169 mvebu_coreclk_setup(np, &a370_coreclks);
170
171 if (cgnp)
172 mvebu_clk_gating_setup(cgnp, a370_gating_desc);
174} 173}
175CLK_OF_DECLARE(a370_clk_gating, "marvell,armada-370-gating-clock", 174CLK_OF_DECLARE(a370_clk, "marvell,armada-370-core-clock", a370_clk_init);
176 a370_clk_gating_init); 175
diff --git a/drivers/clk/mvebu/armada-xp.c b/drivers/clk/mvebu/armada-xp.c
index 9922c4475aa8..b3094315a3c0 100644
--- a/drivers/clk/mvebu/armada-xp.c
+++ b/drivers/clk/mvebu/armada-xp.c
@@ -158,13 +158,6 @@ static const struct coreclk_soc_desc axp_coreclks = {
158 .num_ratios = ARRAY_SIZE(axp_coreclk_ratios), 158 .num_ratios = ARRAY_SIZE(axp_coreclk_ratios),
159}; 159};
160 160
161static void __init axp_coreclk_init(struct device_node *np)
162{
163 mvebu_coreclk_setup(np, &axp_coreclks);
164}
165CLK_OF_DECLARE(axp_core_clk, "marvell,armada-xp-core-clock",
166 axp_coreclk_init);
167
168/* 161/*
169 * Clock Gating Control 162 * Clock Gating Control
170 */ 163 */
@@ -202,9 +195,14 @@ static const struct clk_gating_soc_desc axp_gating_desc[] __initconst = {
202 { } 195 { }
203}; 196};
204 197
205static void __init axp_clk_gating_init(struct device_node *np) 198static void __init axp_clk_init(struct device_node *np)
206{ 199{
207 mvebu_clk_gating_setup(np, axp_gating_desc); 200 struct device_node *cgnp =
201 of_find_compatible_node(NULL, NULL, "marvell,armada-xp-gating-clock");
202
203 mvebu_coreclk_setup(np, &axp_coreclks);
204
205 if (cgnp)
206 mvebu_clk_gating_setup(cgnp, axp_gating_desc);
208} 207}
209CLK_OF_DECLARE(axp_clk_gating, "marvell,armada-xp-gating-clock", 208CLK_OF_DECLARE(axp_clk, "marvell,armada-xp-core-clock", axp_clk_init);
210 axp_clk_gating_init);
diff --git a/drivers/clk/mvebu/dove.c b/drivers/clk/mvebu/dove.c
index 38aee1e3f242..b8c2424ac926 100644
--- a/drivers/clk/mvebu/dove.c
+++ b/drivers/clk/mvebu/dove.c
@@ -154,12 +154,6 @@ static const struct coreclk_soc_desc dove_coreclks = {
154 .num_ratios = ARRAY_SIZE(dove_coreclk_ratios), 154 .num_ratios = ARRAY_SIZE(dove_coreclk_ratios),
155}; 155};
156 156
157static void __init dove_coreclk_init(struct device_node *np)
158{
159 mvebu_coreclk_setup(np, &dove_coreclks);
160}
161CLK_OF_DECLARE(dove_core_clk, "marvell,dove-core-clock", dove_coreclk_init);
162
163/* 157/*
164 * Clock Gating Control 158 * Clock Gating Control
165 */ 159 */
@@ -186,9 +180,14 @@ static const struct clk_gating_soc_desc dove_gating_desc[] __initconst = {
186 { } 180 { }
187}; 181};
188 182
189static void __init dove_clk_gating_init(struct device_node *np) 183static void __init dove_clk_init(struct device_node *np)
190{ 184{
191 mvebu_clk_gating_setup(np, dove_gating_desc); 185 struct device_node *cgnp =
186 of_find_compatible_node(NULL, NULL, "marvell,dove-gating-clock");
187
188 mvebu_coreclk_setup(np, &dove_coreclks);
189
190 if (cgnp)
191 mvebu_clk_gating_setup(cgnp, dove_gating_desc);
192} 192}
193CLK_OF_DECLARE(dove_clk_gating, "marvell,dove-gating-clock", 193CLK_OF_DECLARE(dove_clk, "marvell,dove-core-clock", dove_clk_init);
194 dove_clk_gating_init);
diff --git a/drivers/clk/mvebu/kirkwood.c b/drivers/clk/mvebu/kirkwood.c
index 2636a55f29f9..ddb666a86500 100644
--- a/drivers/clk/mvebu/kirkwood.c
+++ b/drivers/clk/mvebu/kirkwood.c
@@ -193,13 +193,6 @@ static const struct coreclk_soc_desc kirkwood_coreclks = {
193 .num_ratios = ARRAY_SIZE(kirkwood_coreclk_ratios), 193 .num_ratios = ARRAY_SIZE(kirkwood_coreclk_ratios),
194}; 194};
195 195
196static void __init kirkwood_coreclk_init(struct device_node *np)
197{
198 mvebu_coreclk_setup(np, &kirkwood_coreclks);
199}
200CLK_OF_DECLARE(kirkwood_core_clk, "marvell,kirkwood-core-clock",
201 kirkwood_coreclk_init);
202
203static const struct coreclk_soc_desc mv88f6180_coreclks = { 196static const struct coreclk_soc_desc mv88f6180_coreclks = {
204 .get_tclk_freq = kirkwood_get_tclk_freq, 197 .get_tclk_freq = kirkwood_get_tclk_freq,
205 .get_cpu_freq = mv88f6180_get_cpu_freq, 198 .get_cpu_freq = mv88f6180_get_cpu_freq,
@@ -208,13 +201,6 @@ static const struct coreclk_soc_desc mv88f6180_coreclks = {
208 .num_ratios = ARRAY_SIZE(kirkwood_coreclk_ratios), 201 .num_ratios = ARRAY_SIZE(kirkwood_coreclk_ratios),
209}; 202};
210 203
211static void __init mv88f6180_coreclk_init(struct device_node *np)
212{
213 mvebu_coreclk_setup(np, &mv88f6180_coreclks);
214}
215CLK_OF_DECLARE(mv88f6180_core_clk, "marvell,mv88f6180-core-clock",
216 mv88f6180_coreclk_init);
217
218/* 204/*
219 * Clock Gating Control 205 * Clock Gating Control
220 */ 206 */
@@ -239,9 +225,21 @@ static const struct clk_gating_soc_desc kirkwood_gating_desc[] __initconst = {
239 { } 225 { }
240}; 226};
241 227
242static void __init kirkwood_clk_gating_init(struct device_node *np) 228static void __init kirkwood_clk_init(struct device_node *np)
243{ 229{
244 mvebu_clk_gating_setup(np, kirkwood_gating_desc); 230 struct device_node *cgnp =
231 of_find_compatible_node(NULL, NULL, "marvell,kirkwood-gating-clock");
232
233
234 if (of_device_is_compatible(np, "marvell,mv88f6180-core-clock"))
235 mvebu_coreclk_setup(np, &mv88f6180_coreclks);
236 else
237 mvebu_coreclk_setup(np, &kirkwood_coreclks);
238
239 if (cgnp)
240 mvebu_clk_gating_setup(cgnp, kirkwood_gating_desc);
245} 241}
246CLK_OF_DECLARE(kirkwood_clk_gating, "marvell,kirkwood-gating-clock", 242CLK_OF_DECLARE(kirkwood_clk, "marvell,kirkwood-core-clock",
247 kirkwood_clk_gating_init); 243 kirkwood_clk_init);
244CLK_OF_DECLARE(mv88f6180_clk, "marvell,mv88f6180-core-clock",
245 kirkwood_clk_init);
diff --git a/drivers/clk/shmobile/clk-rcar-gen2.c b/drivers/clk/shmobile/clk-rcar-gen2.c
index a59ec217a124..99c27b1c625b 100644
--- a/drivers/clk/shmobile/clk-rcar-gen2.c
+++ b/drivers/clk/shmobile/clk-rcar-gen2.c
@@ -26,6 +26,8 @@ struct rcar_gen2_cpg {
26 void __iomem *reg; 26 void __iomem *reg;
27}; 27};
28 28
29#define CPG_FRQCRB 0x00000004
30#define CPG_FRQCRB_KICK BIT(31)
29#define CPG_SDCKCR 0x00000074 31#define CPG_SDCKCR 0x00000074
30#define CPG_PLL0CR 0x000000d8 32#define CPG_PLL0CR 0x000000d8
31#define CPG_FRQCRC 0x000000e0 33#define CPG_FRQCRC 0x000000e0
@@ -45,6 +47,7 @@ struct rcar_gen2_cpg {
45struct cpg_z_clk { 47struct cpg_z_clk {
46 struct clk_hw hw; 48 struct clk_hw hw;
47 void __iomem *reg; 49 void __iomem *reg;
50 void __iomem *kick_reg;
48}; 51};
49 52
50#define to_z_clk(_hw) container_of(_hw, struct cpg_z_clk, hw) 53#define to_z_clk(_hw) container_of(_hw, struct cpg_z_clk, hw)
@@ -83,17 +86,45 @@ static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate,
83{ 86{
84 struct cpg_z_clk *zclk = to_z_clk(hw); 87 struct cpg_z_clk *zclk = to_z_clk(hw);
85 unsigned int mult; 88 unsigned int mult;
86 u32 val; 89 u32 val, kick;
90 unsigned int i;
87 91
88 mult = div_u64((u64)rate * 32, parent_rate); 92 mult = div_u64((u64)rate * 32, parent_rate);
89 mult = clamp(mult, 1U, 32U); 93 mult = clamp(mult, 1U, 32U);
90 94
95 if (clk_readl(zclk->kick_reg) & CPG_FRQCRB_KICK)
96 return -EBUSY;
97
91 val = clk_readl(zclk->reg); 98 val = clk_readl(zclk->reg);
92 val &= ~CPG_FRQCRC_ZFC_MASK; 99 val &= ~CPG_FRQCRC_ZFC_MASK;
93 val |= (32 - mult) << CPG_FRQCRC_ZFC_SHIFT; 100 val |= (32 - mult) << CPG_FRQCRC_ZFC_SHIFT;
94 clk_writel(val, zclk->reg); 101 clk_writel(val, zclk->reg);
95 102
96 return 0; 103 /*
104 * Set KICK bit in FRQCRB to update hardware setting and wait for
105 * clock change completion.
106 */
107 kick = clk_readl(zclk->kick_reg);
108 kick |= CPG_FRQCRB_KICK;
109 clk_writel(kick, zclk->kick_reg);
110
111 /*
112 * Note: There is no HW information about the worst case latency.
113 *
114 * Using experimental measurements, it seems that no more than
115 * ~10 iterations are needed, independently of the CPU rate.
116 * Since this value might be dependant of external xtal rate, pll1
117 * rate or even the other emulation clocks rate, use 1000 as a
118 * "super" safe value.
119 */
120 for (i = 1000; i; i--) {
121 if (!(clk_readl(zclk->kick_reg) & CPG_FRQCRB_KICK))
122 return 0;
123
124 cpu_relax();
125 }
126
127 return -ETIMEDOUT;
97} 128}
98 129
99static const struct clk_ops cpg_z_clk_ops = { 130static const struct clk_ops cpg_z_clk_ops = {
@@ -120,6 +151,7 @@ static struct clk * __init cpg_z_clk_register(struct rcar_gen2_cpg *cpg)
120 init.num_parents = 1; 151 init.num_parents = 1;
121 152
122 zclk->reg = cpg->reg + CPG_FRQCRC; 153 zclk->reg = cpg->reg + CPG_FRQCRC;
154 zclk->kick_reg = cpg->reg + CPG_FRQCRB;
123 zclk->hw.init = &init; 155 zclk->hw.init = &init;
124 156
125 clk = clk_register(NULL, &zclk->hw); 157 clk = clk_register(NULL, &zclk->hw);
@@ -186,7 +218,7 @@ rcar_gen2_cpg_register_clock(struct device_node *np, struct rcar_gen2_cpg *cpg,
186 const char *name) 218 const char *name)
187{ 219{
188 const struct clk_div_table *table = NULL; 220 const struct clk_div_table *table = NULL;
189 const char *parent_name = "main"; 221 const char *parent_name;
190 unsigned int shift; 222 unsigned int shift;
191 unsigned int mult = 1; 223 unsigned int mult = 1;
192 unsigned int div = 1; 224 unsigned int div = 1;
@@ -201,23 +233,31 @@ rcar_gen2_cpg_register_clock(struct device_node *np, struct rcar_gen2_cpg *cpg,
201 * the multiplier value. 233 * the multiplier value.
202 */ 234 */
203 u32 value = clk_readl(cpg->reg + CPG_PLL0CR); 235 u32 value = clk_readl(cpg->reg + CPG_PLL0CR);
236 parent_name = "main";
204 mult = ((value >> 24) & ((1 << 7) - 1)) + 1; 237 mult = ((value >> 24) & ((1 << 7) - 1)) + 1;
205 } else if (!strcmp(name, "pll1")) { 238 } else if (!strcmp(name, "pll1")) {
239 parent_name = "main";
206 mult = config->pll1_mult / 2; 240 mult = config->pll1_mult / 2;
207 } else if (!strcmp(name, "pll3")) { 241 } else if (!strcmp(name, "pll3")) {
242 parent_name = "main";
208 mult = config->pll3_mult; 243 mult = config->pll3_mult;
209 } else if (!strcmp(name, "lb")) { 244 } else if (!strcmp(name, "lb")) {
245 parent_name = "pll1_div2";
210 div = cpg_mode & BIT(18) ? 36 : 24; 246 div = cpg_mode & BIT(18) ? 36 : 24;
211 } else if (!strcmp(name, "qspi")) { 247 } else if (!strcmp(name, "qspi")) {
248 parent_name = "pll1_div2";
212 div = (cpg_mode & (BIT(3) | BIT(2) | BIT(1))) == BIT(2) 249 div = (cpg_mode & (BIT(3) | BIT(2) | BIT(1))) == BIT(2)
213 ? 16 : 20; 250 ? 8 : 10;
214 } else if (!strcmp(name, "sdh")) { 251 } else if (!strcmp(name, "sdh")) {
252 parent_name = "pll1_div2";
215 table = cpg_sdh_div_table; 253 table = cpg_sdh_div_table;
216 shift = 8; 254 shift = 8;
217 } else if (!strcmp(name, "sd0")) { 255 } else if (!strcmp(name, "sd0")) {
256 parent_name = "pll1_div2";
218 table = cpg_sd01_div_table; 257 table = cpg_sd01_div_table;
219 shift = 4; 258 shift = 4;
220 } else if (!strcmp(name, "sd1")) { 259 } else if (!strcmp(name, "sd1")) {
260 parent_name = "pll1_div2";
221 table = cpg_sd01_div_table; 261 table = cpg_sd01_div_table;
222 shift = 0; 262 shift = 0;
223 } else if (!strcmp(name, "z")) { 263 } else if (!strcmp(name, "z")) {
diff --git a/drivers/clk/tegra/clk-divider.c b/drivers/clk/tegra/clk-divider.c
index 4d75b1f37e3a..290f9c1a3749 100644
--- a/drivers/clk/tegra/clk-divider.c
+++ b/drivers/clk/tegra/clk-divider.c
@@ -59,7 +59,7 @@ static int get_div(struct tegra_clk_frac_div *divider, unsigned long rate,
59 return 0; 59 return 0;
60 60
61 if (divider_ux1 > get_max_div(divider)) 61 if (divider_ux1 > get_max_div(divider))
62 return -EINVAL; 62 return get_max_div(divider);
63 63
64 return divider_ux1; 64 return divider_ux1;
65} 65}
diff --git a/drivers/clk/tegra/clk-id.h b/drivers/clk/tegra/clk-id.h
index cf0c323f2c36..c39613c519af 100644
--- a/drivers/clk/tegra/clk-id.h
+++ b/drivers/clk/tegra/clk-id.h
@@ -180,9 +180,13 @@ enum clk_id {
180 tegra_clk_sbc6_8, 180 tegra_clk_sbc6_8,
181 tegra_clk_sclk, 181 tegra_clk_sclk,
182 tegra_clk_sdmmc1, 182 tegra_clk_sdmmc1,
183 tegra_clk_sdmmc1_8,
183 tegra_clk_sdmmc2, 184 tegra_clk_sdmmc2,
185 tegra_clk_sdmmc2_8,
184 tegra_clk_sdmmc3, 186 tegra_clk_sdmmc3,
187 tegra_clk_sdmmc3_8,
185 tegra_clk_sdmmc4, 188 tegra_clk_sdmmc4,
189 tegra_clk_sdmmc4_8,
186 tegra_clk_se, 190 tegra_clk_se,
187 tegra_clk_soc_therm, 191 tegra_clk_soc_therm,
188 tegra_clk_sor0, 192 tegra_clk_sor0,
diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c
index 5c35885f4a7c..1fa5c3f33b20 100644
--- a/drivers/clk/tegra/clk-tegra-periph.c
+++ b/drivers/clk/tegra/clk-tegra-periph.c
@@ -371,9 +371,7 @@ static const char *mux_pllp3_pllc_clkm[] = {
371static const char *mux_pllm_pllc_pllp_plla_pllc2_c3_clkm[] = { 371static const char *mux_pllm_pllc_pllp_plla_pllc2_c3_clkm[] = {
372 "pll_m", "pll_c", "pll_p", "pll_a", "pll_c2", "pll_c3", "clk_m" 372 "pll_m", "pll_c", "pll_p", "pll_a", "pll_c2", "pll_c3", "clk_m"
373}; 373};
374static u32 mux_pllm_pllc_pllp_plla_pllc2_c3_clkm_idx[] = { 374#define mux_pllm_pllc_pllp_plla_pllc2_c3_clkm_idx NULL
375 [0] = 0, [1] = 1, [2] = 2, [3] = 3, [4] = 4, [5] = 6,
376};
377 375
378static const char *mux_pllm_pllc2_c_c3_pllp_plla_pllc4[] = { 376static const char *mux_pllm_pllc2_c_c3_pllp_plla_pllc4[] = {
379 "pll_m", "pll_c2", "pll_c", "pll_c3", "pll_p", "pll_a_out0", "pll_c4", 377 "pll_m", "pll_c2", "pll_c", "pll_c3", "pll_p", "pll_a_out0", "pll_c4",
@@ -465,6 +463,10 @@ static struct tegra_periph_init_data periph_clks[] = {
465 MUX("adx1", mux_plla_pllc_pllp_clkm, CLK_SOURCE_ADX1, 180, TEGRA_PERIPH_ON_APB, tegra_clk_adx1), 463 MUX("adx1", mux_plla_pllc_pllp_clkm, CLK_SOURCE_ADX1, 180, TEGRA_PERIPH_ON_APB, tegra_clk_adx1),
466 MUX("amx1", mux_plla_pllc_pllp_clkm, CLK_SOURCE_AMX1, 185, TEGRA_PERIPH_ON_APB, tegra_clk_amx1), 464 MUX("amx1", mux_plla_pllc_pllp_clkm, CLK_SOURCE_AMX1, 185, TEGRA_PERIPH_ON_APB, tegra_clk_amx1),
467 MUX("vi_sensor2", mux_pllm_pllc2_c_c3_pllp_plla, CLK_SOURCE_VI_SENSOR2, 20, TEGRA_PERIPH_NO_RESET, tegra_clk_vi_sensor2), 465 MUX("vi_sensor2", mux_pllm_pllc2_c_c3_pllp_plla, CLK_SOURCE_VI_SENSOR2, 20, TEGRA_PERIPH_NO_RESET, tegra_clk_vi_sensor2),
466 MUX8("sdmmc1", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SDMMC1, 14, 0, tegra_clk_sdmmc1_8),
467 MUX8("sdmmc2", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SDMMC2, 9, 0, tegra_clk_sdmmc2_8),
468 MUX8("sdmmc3", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SDMMC3, 69, 0, tegra_clk_sdmmc3_8),
469 MUX8("sdmmc4", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SDMMC4, 15, 0, tegra_clk_sdmmc4_8),
468 MUX8("sbc1", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SBC1, 41, TEGRA_PERIPH_ON_APB, tegra_clk_sbc1_8), 470 MUX8("sbc1", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SBC1, 41, TEGRA_PERIPH_ON_APB, tegra_clk_sbc1_8),
469 MUX8("sbc2", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SBC2, 44, TEGRA_PERIPH_ON_APB, tegra_clk_sbc2_8), 471 MUX8("sbc2", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SBC2, 44, TEGRA_PERIPH_ON_APB, tegra_clk_sbc2_8),
470 MUX8("sbc3", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SBC3, 46, TEGRA_PERIPH_ON_APB, tegra_clk_sbc3_8), 472 MUX8("sbc3", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SBC3, 46, TEGRA_PERIPH_ON_APB, tegra_clk_sbc3_8),
@@ -492,7 +494,7 @@ static struct tegra_periph_init_data periph_clks[] = {
492 UART("uartb", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_UARTB, 7, tegra_clk_uartb), 494 UART("uartb", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_UARTB, 7, tegra_clk_uartb),
493 UART("uartc", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_UARTC, 55, tegra_clk_uartc), 495 UART("uartc", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_UARTC, 55, tegra_clk_uartc),
494 UART("uartd", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_UARTD, 65, tegra_clk_uartd), 496 UART("uartd", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_UARTD, 65, tegra_clk_uartd),
495 UART("uarte", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_UARTE, 65, tegra_clk_uarte), 497 UART("uarte", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_UARTE, 66, tegra_clk_uarte),
496 XUSB("xusb_host_src", mux_clkm_pllp_pllc_pllre, CLK_SOURCE_XUSB_HOST_SRC, 143, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_xusb_host_src), 498 XUSB("xusb_host_src", mux_clkm_pllp_pllc_pllre, CLK_SOURCE_XUSB_HOST_SRC, 143, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_xusb_host_src),
497 XUSB("xusb_falcon_src", mux_clkm_pllp_pllc_pllre, CLK_SOURCE_XUSB_FALCON_SRC, 143, TEGRA_PERIPH_NO_RESET, tegra_clk_xusb_falcon_src), 499 XUSB("xusb_falcon_src", mux_clkm_pllp_pllc_pllre, CLK_SOURCE_XUSB_FALCON_SRC, 143, TEGRA_PERIPH_NO_RESET, tegra_clk_xusb_falcon_src),
498 XUSB("xusb_fs_src", mux_clkm_48M_pllp_480M, CLK_SOURCE_XUSB_FS_SRC, 143, TEGRA_PERIPH_NO_RESET, tegra_clk_xusb_fs_src), 500 XUSB("xusb_fs_src", mux_clkm_48M_pllp_480M, CLK_SOURCE_XUSB_FS_SRC, 143, TEGRA_PERIPH_NO_RESET, tegra_clk_xusb_fs_src),
diff --git a/drivers/clk/tegra/clk-tegra-super-gen4.c b/drivers/clk/tegra/clk-tegra-super-gen4.c
index 05dce4aa2c11..feb3201c85ce 100644
--- a/drivers/clk/tegra/clk-tegra-super-gen4.c
+++ b/drivers/clk/tegra/clk-tegra-super-gen4.c
@@ -120,7 +120,7 @@ void __init tegra_super_clk_gen4_init(void __iomem *clk_base,
120 ARRAY_SIZE(cclk_lp_parents), 120 ARRAY_SIZE(cclk_lp_parents),
121 CLK_SET_RATE_PARENT, 121 CLK_SET_RATE_PARENT,
122 clk_base + CCLKLP_BURST_POLICY, 122 clk_base + CCLKLP_BURST_POLICY,
123 0, 4, 8, 9, NULL); 123 TEGRA_DIVIDER_2, 4, 8, 9, NULL);
124 *dt_clk = clk; 124 *dt_clk = clk;
125 } 125 }
126 126
diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c
index 90d9d25f2228..80431f0fb268 100644
--- a/drivers/clk/tegra/clk-tegra114.c
+++ b/drivers/clk/tegra/clk-tegra114.c
@@ -682,12 +682,12 @@ static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = {
682 [tegra_clk_timer] = { .dt_id = TEGRA114_CLK_TIMER, .present = true }, 682 [tegra_clk_timer] = { .dt_id = TEGRA114_CLK_TIMER, .present = true },
683 [tegra_clk_uarta] = { .dt_id = TEGRA114_CLK_UARTA, .present = true }, 683 [tegra_clk_uarta] = { .dt_id = TEGRA114_CLK_UARTA, .present = true },
684 [tegra_clk_uartd] = { .dt_id = TEGRA114_CLK_UARTD, .present = true }, 684 [tegra_clk_uartd] = { .dt_id = TEGRA114_CLK_UARTD, .present = true },
685 [tegra_clk_sdmmc2] = { .dt_id = TEGRA114_CLK_SDMMC2, .present = true }, 685 [tegra_clk_sdmmc2_8] = { .dt_id = TEGRA114_CLK_SDMMC2, .present = true },
686 [tegra_clk_i2s1] = { .dt_id = TEGRA114_CLK_I2S1, .present = true }, 686 [tegra_clk_i2s1] = { .dt_id = TEGRA114_CLK_I2S1, .present = true },
687 [tegra_clk_i2c1] = { .dt_id = TEGRA114_CLK_I2C1, .present = true }, 687 [tegra_clk_i2c1] = { .dt_id = TEGRA114_CLK_I2C1, .present = true },
688 [tegra_clk_ndflash] = { .dt_id = TEGRA114_CLK_NDFLASH, .present = true }, 688 [tegra_clk_ndflash] = { .dt_id = TEGRA114_CLK_NDFLASH, .present = true },
689 [tegra_clk_sdmmc1] = { .dt_id = TEGRA114_CLK_SDMMC1, .present = true }, 689 [tegra_clk_sdmmc1_8] = { .dt_id = TEGRA114_CLK_SDMMC1, .present = true },
690 [tegra_clk_sdmmc4] = { .dt_id = TEGRA114_CLK_SDMMC4, .present = true }, 690 [tegra_clk_sdmmc4_8] = { .dt_id = TEGRA114_CLK_SDMMC4, .present = true },
691 [tegra_clk_pwm] = { .dt_id = TEGRA114_CLK_PWM, .present = true }, 691 [tegra_clk_pwm] = { .dt_id = TEGRA114_CLK_PWM, .present = true },
692 [tegra_clk_i2s0] = { .dt_id = TEGRA114_CLK_I2S0, .present = true }, 692 [tegra_clk_i2s0] = { .dt_id = TEGRA114_CLK_I2S0, .present = true },
693 [tegra_clk_i2s2] = { .dt_id = TEGRA114_CLK_I2S2, .present = true }, 693 [tegra_clk_i2s2] = { .dt_id = TEGRA114_CLK_I2S2, .present = true },
@@ -723,7 +723,7 @@ static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = {
723 [tegra_clk_bsev] = { .dt_id = TEGRA114_CLK_BSEV, .present = true }, 723 [tegra_clk_bsev] = { .dt_id = TEGRA114_CLK_BSEV, .present = true },
724 [tegra_clk_i2c3] = { .dt_id = TEGRA114_CLK_I2C3, .present = true }, 724 [tegra_clk_i2c3] = { .dt_id = TEGRA114_CLK_I2C3, .present = true },
725 [tegra_clk_sbc4_8] = { .dt_id = TEGRA114_CLK_SBC4, .present = true }, 725 [tegra_clk_sbc4_8] = { .dt_id = TEGRA114_CLK_SBC4, .present = true },
726 [tegra_clk_sdmmc3] = { .dt_id = TEGRA114_CLK_SDMMC3, .present = true }, 726 [tegra_clk_sdmmc3_8] = { .dt_id = TEGRA114_CLK_SDMMC3, .present = true },
727 [tegra_clk_owr] = { .dt_id = TEGRA114_CLK_OWR, .present = true }, 727 [tegra_clk_owr] = { .dt_id = TEGRA114_CLK_OWR, .present = true },
728 [tegra_clk_csite] = { .dt_id = TEGRA114_CLK_CSITE, .present = true }, 728 [tegra_clk_csite] = { .dt_id = TEGRA114_CLK_CSITE, .present = true },
729 [tegra_clk_la] = { .dt_id = TEGRA114_CLK_LA, .present = true }, 729 [tegra_clk_la] = { .dt_id = TEGRA114_CLK_LA, .present = true },
diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c
index aff86b5bc745..166e02f16c8a 100644
--- a/drivers/clk/tegra/clk-tegra124.c
+++ b/drivers/clk/tegra/clk-tegra124.c
@@ -516,11 +516,11 @@ static struct div_nmp pllp_nmp = {
516}; 516};
517 517
518static struct tegra_clk_pll_freq_table pll_p_freq_table[] = { 518static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
519 {12000000, 216000000, 432, 12, 1, 8}, 519 {12000000, 408000000, 408, 12, 0, 8},
520 {13000000, 216000000, 432, 13, 1, 8}, 520 {13000000, 408000000, 408, 13, 0, 8},
521 {16800000, 216000000, 360, 14, 1, 8}, 521 {16800000, 408000000, 340, 14, 0, 8},
522 {19200000, 216000000, 360, 16, 1, 8}, 522 {19200000, 408000000, 340, 16, 0, 8},
523 {26000000, 216000000, 432, 26, 1, 8}, 523 {26000000, 408000000, 408, 26, 0, 8},
524 {0, 0, 0, 0, 0, 0}, 524 {0, 0, 0, 0, 0, 0},
525}; 525};
526 526
@@ -570,6 +570,15 @@ static struct tegra_clk_pll_params pll_a_params = {
570 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK, 570 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK,
571}; 571};
572 572
573static struct div_nmp plld_nmp = {
574 .divm_shift = 0,
575 .divm_width = 5,
576 .divn_shift = 8,
577 .divn_width = 11,
578 .divp_shift = 20,
579 .divp_width = 3,
580};
581
573static struct tegra_clk_pll_freq_table pll_d_freq_table[] = { 582static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
574 {12000000, 216000000, 864, 12, 4, 12}, 583 {12000000, 216000000, 864, 12, 4, 12},
575 {13000000, 216000000, 864, 13, 4, 12}, 584 {13000000, 216000000, 864, 13, 4, 12},
@@ -603,19 +612,18 @@ static struct tegra_clk_pll_params pll_d_params = {
603 .lock_mask = PLL_BASE_LOCK, 612 .lock_mask = PLL_BASE_LOCK,
604 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE, 613 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
605 .lock_delay = 1000, 614 .lock_delay = 1000,
606 .div_nmp = &pllp_nmp, 615 .div_nmp = &plld_nmp,
607 .freq_table = pll_d_freq_table, 616 .freq_table = pll_d_freq_table,
608 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | 617 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
609 TEGRA_PLL_USE_LOCK, 618 TEGRA_PLL_USE_LOCK,
610}; 619};
611 620
612static struct tegra_clk_pll_freq_table tegra124_pll_d2_freq_table[] = { 621static struct tegra_clk_pll_freq_table tegra124_pll_d2_freq_table[] = {
613 { 12000000, 148500000, 99, 1, 8}, 622 { 12000000, 594000000, 99, 1, 2},
614 { 12000000, 594000000, 99, 1, 1}, 623 { 13000000, 594000000, 91, 1, 2}, /* actual: 591.5 MHz */
615 { 13000000, 594000000, 91, 1, 1}, /* actual: 591.5 MHz */ 624 { 16800000, 594000000, 71, 1, 2}, /* actual: 596.4 MHz */
616 { 16800000, 594000000, 71, 1, 1}, /* actual: 596.4 MHz */ 625 { 19200000, 594000000, 62, 1, 2}, /* actual: 595.2 MHz */
617 { 19200000, 594000000, 62, 1, 1}, /* actual: 595.2 MHz */ 626 { 26000000, 594000000, 91, 2, 2}, /* actual: 591.5 MHz */
618 { 26000000, 594000000, 91, 2, 1}, /* actual: 591.5 MHz */
619 { 0, 0, 0, 0, 0, 0 }, 627 { 0, 0, 0, 0, 0, 0 },
620}; 628};
621 629
@@ -753,21 +761,19 @@ static struct tegra_clk tegra124_clks[tegra_clk_max] __initdata = {
753 [tegra_clk_rtc] = { .dt_id = TEGRA124_CLK_RTC, .present = true }, 761 [tegra_clk_rtc] = { .dt_id = TEGRA124_CLK_RTC, .present = true },
754 [tegra_clk_timer] = { .dt_id = TEGRA124_CLK_TIMER, .present = true }, 762 [tegra_clk_timer] = { .dt_id = TEGRA124_CLK_TIMER, .present = true },
755 [tegra_clk_uarta] = { .dt_id = TEGRA124_CLK_UARTA, .present = true }, 763 [tegra_clk_uarta] = { .dt_id = TEGRA124_CLK_UARTA, .present = true },
756 [tegra_clk_sdmmc2] = { .dt_id = TEGRA124_CLK_SDMMC2, .present = true }, 764 [tegra_clk_sdmmc2_8] = { .dt_id = TEGRA124_CLK_SDMMC2, .present = true },
757 [tegra_clk_i2s1] = { .dt_id = TEGRA124_CLK_I2S1, .present = true }, 765 [tegra_clk_i2s1] = { .dt_id = TEGRA124_CLK_I2S1, .present = true },
758 [tegra_clk_i2c1] = { .dt_id = TEGRA124_CLK_I2C1, .present = true }, 766 [tegra_clk_i2c1] = { .dt_id = TEGRA124_CLK_I2C1, .present = true },
759 [tegra_clk_ndflash] = { .dt_id = TEGRA124_CLK_NDFLASH, .present = true }, 767 [tegra_clk_ndflash] = { .dt_id = TEGRA124_CLK_NDFLASH, .present = true },
760 [tegra_clk_sdmmc1] = { .dt_id = TEGRA124_CLK_SDMMC1, .present = true }, 768 [tegra_clk_sdmmc1_8] = { .dt_id = TEGRA124_CLK_SDMMC1, .present = true },
761 [tegra_clk_sdmmc4] = { .dt_id = TEGRA124_CLK_SDMMC4, .present = true }, 769 [tegra_clk_sdmmc4_8] = { .dt_id = TEGRA124_CLK_SDMMC4, .present = true },
762 [tegra_clk_pwm] = { .dt_id = TEGRA124_CLK_PWM, .present = true }, 770 [tegra_clk_pwm] = { .dt_id = TEGRA124_CLK_PWM, .present = true },
763 [tegra_clk_i2s2] = { .dt_id = TEGRA124_CLK_I2S2, .present = true }, 771 [tegra_clk_i2s2] = { .dt_id = TEGRA124_CLK_I2S2, .present = true },
764 [tegra_clk_gr2d] = { .dt_id = TEGRA124_CLK_GR_2D, .present = true },
765 [tegra_clk_usbd] = { .dt_id = TEGRA124_CLK_USBD, .present = true }, 772 [tegra_clk_usbd] = { .dt_id = TEGRA124_CLK_USBD, .present = true },
766 [tegra_clk_isp_8] = { .dt_id = TEGRA124_CLK_ISP, .present = true }, 773 [tegra_clk_isp_8] = { .dt_id = TEGRA124_CLK_ISP, .present = true },
767 [tegra_clk_gr3d] = { .dt_id = TEGRA124_CLK_GR_3D, .present = true },
768 [tegra_clk_disp2] = { .dt_id = TEGRA124_CLK_DISP2, .present = true }, 774 [tegra_clk_disp2] = { .dt_id = TEGRA124_CLK_DISP2, .present = true },
769 [tegra_clk_disp1] = { .dt_id = TEGRA124_CLK_DISP1, .present = true }, 775 [tegra_clk_disp1] = { .dt_id = TEGRA124_CLK_DISP1, .present = true },
770 [tegra_clk_host1x] = { .dt_id = TEGRA124_CLK_HOST1X, .present = true }, 776 [tegra_clk_host1x_8] = { .dt_id = TEGRA124_CLK_HOST1X, .present = true },
771 [tegra_clk_vcp] = { .dt_id = TEGRA124_CLK_VCP, .present = true }, 777 [tegra_clk_vcp] = { .dt_id = TEGRA124_CLK_VCP, .present = true },
772 [tegra_clk_i2s0] = { .dt_id = TEGRA124_CLK_I2S0, .present = true }, 778 [tegra_clk_i2s0] = { .dt_id = TEGRA124_CLK_I2S0, .present = true },
773 [tegra_clk_apbdma] = { .dt_id = TEGRA124_CLK_APBDMA, .present = true }, 779 [tegra_clk_apbdma] = { .dt_id = TEGRA124_CLK_APBDMA, .present = true },
@@ -794,7 +800,7 @@ static struct tegra_clk tegra124_clks[tegra_clk_max] __initdata = {
794 [tegra_clk_uartd] = { .dt_id = TEGRA124_CLK_UARTD, .present = true }, 800 [tegra_clk_uartd] = { .dt_id = TEGRA124_CLK_UARTD, .present = true },
795 [tegra_clk_i2c3] = { .dt_id = TEGRA124_CLK_I2C3, .present = true }, 801 [tegra_clk_i2c3] = { .dt_id = TEGRA124_CLK_I2C3, .present = true },
796 [tegra_clk_sbc4] = { .dt_id = TEGRA124_CLK_SBC4, .present = true }, 802 [tegra_clk_sbc4] = { .dt_id = TEGRA124_CLK_SBC4, .present = true },
797 [tegra_clk_sdmmc3] = { .dt_id = TEGRA124_CLK_SDMMC3, .present = true }, 803 [tegra_clk_sdmmc3_8] = { .dt_id = TEGRA124_CLK_SDMMC3, .present = true },
798 [tegra_clk_pcie] = { .dt_id = TEGRA124_CLK_PCIE, .present = true }, 804 [tegra_clk_pcie] = { .dt_id = TEGRA124_CLK_PCIE, .present = true },
799 [tegra_clk_owr] = { .dt_id = TEGRA124_CLK_OWR, .present = true }, 805 [tegra_clk_owr] = { .dt_id = TEGRA124_CLK_OWR, .present = true },
800 [tegra_clk_afi] = { .dt_id = TEGRA124_CLK_AFI, .present = true }, 806 [tegra_clk_afi] = { .dt_id = TEGRA124_CLK_AFI, .present = true },
@@ -1286,9 +1292,9 @@ static void __init tegra124_pll_init(void __iomem *clk_base,
1286 clk_register_clkdev(clk, "pll_d2", NULL); 1292 clk_register_clkdev(clk, "pll_d2", NULL);
1287 clks[TEGRA124_CLK_PLL_D2] = clk; 1293 clks[TEGRA124_CLK_PLL_D2] = clk;
1288 1294
1289 /* PLLD2_OUT0 ?? */ 1295 /* PLLD2_OUT0 */
1290 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2", 1296 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
1291 CLK_SET_RATE_PARENT, 1, 2); 1297 CLK_SET_RATE_PARENT, 1, 1);
1292 clk_register_clkdev(clk, "pll_d2_out0", NULL); 1298 clk_register_clkdev(clk, "pll_d2_out0", NULL);
1293 clks[TEGRA124_CLK_PLL_D2_OUT0] = clk; 1299 clks[TEGRA124_CLK_PLL_D2_OUT0] = clk;
1294 1300
diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c
index dbace152b2fa..dace2b1b5ae6 100644
--- a/drivers/clk/tegra/clk-tegra20.c
+++ b/drivers/clk/tegra/clk-tegra20.c
@@ -574,6 +574,8 @@ static struct tegra_clk tegra20_clks[tegra_clk_max] __initdata = {
574 [tegra_clk_tvdac] = { .dt_id = TEGRA20_CLK_TVDAC, .present = true }, 574 [tegra_clk_tvdac] = { .dt_id = TEGRA20_CLK_TVDAC, .present = true },
575 [tegra_clk_vi_sensor] = { .dt_id = TEGRA20_CLK_VI_SENSOR, .present = true }, 575 [tegra_clk_vi_sensor] = { .dt_id = TEGRA20_CLK_VI_SENSOR, .present = true },
576 [tegra_clk_afi] = { .dt_id = TEGRA20_CLK_AFI, .present = true }, 576 [tegra_clk_afi] = { .dt_id = TEGRA20_CLK_AFI, .present = true },
577 [tegra_clk_fuse] = { .dt_id = TEGRA20_CLK_FUSE, .present = true },
578 [tegra_clk_kfuse] = { .dt_id = TEGRA20_CLK_KFUSE, .present = true },
577}; 579};
578 580
579static unsigned long tegra20_clk_measure_input_freq(void) 581static unsigned long tegra20_clk_measure_input_freq(void)
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index cb003a6b72c8..cf485d928903 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1109,6 +1109,21 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif,
1109 goto err_set_policy_cpu; 1109 goto err_set_policy_cpu;
1110 } 1110 }
1111 1111
1112 /* related cpus should atleast have policy->cpus */
1113 cpumask_or(policy->related_cpus, policy->related_cpus, policy->cpus);
1114
1115 /*
1116 * affected cpus must always be the one, which are online. We aren't
1117 * managing offline cpus here.
1118 */
1119 cpumask_and(policy->cpus, policy->cpus, cpu_online_mask);
1120
1121 if (!frozen) {
1122 policy->user_policy.min = policy->min;
1123 policy->user_policy.max = policy->max;
1124 }
1125
1126 down_write(&policy->rwsem);
1112 write_lock_irqsave(&cpufreq_driver_lock, flags); 1127 write_lock_irqsave(&cpufreq_driver_lock, flags);
1113 for_each_cpu(j, policy->cpus) 1128 for_each_cpu(j, policy->cpus)
1114 per_cpu(cpufreq_cpu_data, j) = policy; 1129 per_cpu(cpufreq_cpu_data, j) = policy;
@@ -1162,20 +1177,6 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif,
1162 } 1177 }
1163 } 1178 }
1164 1179
1165 /* related cpus should atleast have policy->cpus */
1166 cpumask_or(policy->related_cpus, policy->related_cpus, policy->cpus);
1167
1168 /*
1169 * affected cpus must always be the one, which are online. We aren't
1170 * managing offline cpus here.
1171 */
1172 cpumask_and(policy->cpus, policy->cpus, cpu_online_mask);
1173
1174 if (!frozen) {
1175 policy->user_policy.min = policy->min;
1176 policy->user_policy.max = policy->max;
1177 }
1178
1179 blocking_notifier_call_chain(&cpufreq_policy_notifier_list, 1180 blocking_notifier_call_chain(&cpufreq_policy_notifier_list,
1180 CPUFREQ_START, policy); 1181 CPUFREQ_START, policy);
1181 1182
@@ -1206,6 +1207,7 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif,
1206 policy->user_policy.policy = policy->policy; 1207 policy->user_policy.policy = policy->policy;
1207 policy->user_policy.governor = policy->governor; 1208 policy->user_policy.governor = policy->governor;
1208 } 1209 }
1210 up_write(&policy->rwsem);
1209 1211
1210 kobject_uevent(&policy->kobj, KOBJ_ADD); 1212 kobject_uevent(&policy->kobj, KOBJ_ADD);
1211 up_read(&cpufreq_rwsem); 1213 up_read(&cpufreq_rwsem);
@@ -1546,23 +1548,16 @@ static unsigned int __cpufreq_get(unsigned int cpu)
1546 */ 1548 */
1547unsigned int cpufreq_get(unsigned int cpu) 1549unsigned int cpufreq_get(unsigned int cpu)
1548{ 1550{
1549 struct cpufreq_policy *policy = per_cpu(cpufreq_cpu_data, cpu); 1551 struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
1550 unsigned int ret_freq = 0; 1552 unsigned int ret_freq = 0;
1551 1553
1552 if (cpufreq_disabled() || !cpufreq_driver) 1554 if (policy) {
1553 return -ENOENT; 1555 down_read(&policy->rwsem);
1554 1556 ret_freq = __cpufreq_get(cpu);
1555 BUG_ON(!policy); 1557 up_read(&policy->rwsem);
1556
1557 if (!down_read_trylock(&cpufreq_rwsem))
1558 return 0;
1559
1560 down_read(&policy->rwsem);
1561
1562 ret_freq = __cpufreq_get(cpu);
1563 1558
1564 up_read(&policy->rwsem); 1559 cpufreq_cpu_put(policy);
1565 up_read(&cpufreq_rwsem); 1560 }
1566 1561
1567 return ret_freq; 1562 return ret_freq;
1568} 1563}
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index e90816105921..2cd36b9297f3 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -39,9 +39,10 @@
39#define BYT_TURBO_RATIOS 0x66c 39#define BYT_TURBO_RATIOS 0x66c
40 40
41 41
42#define FRAC_BITS 8 42#define FRAC_BITS 6
43#define int_tofp(X) ((int64_t)(X) << FRAC_BITS) 43#define int_tofp(X) ((int64_t)(X) << FRAC_BITS)
44#define fp_toint(X) ((X) >> FRAC_BITS) 44#define fp_toint(X) ((X) >> FRAC_BITS)
45#define FP_ROUNDUP(X) ((X) += 1 << FRAC_BITS)
45 46
46static inline int32_t mul_fp(int32_t x, int32_t y) 47static inline int32_t mul_fp(int32_t x, int32_t y)
47{ 48{
@@ -556,18 +557,20 @@ static void intel_pstate_get_cpu_pstates(struct cpudata *cpu)
556static inline void intel_pstate_calc_busy(struct cpudata *cpu, 557static inline void intel_pstate_calc_busy(struct cpudata *cpu,
557 struct sample *sample) 558 struct sample *sample)
558{ 559{
559 u64 core_pct; 560 int32_t core_pct;
560 u64 c0_pct; 561 int32_t c0_pct;
561 562
562 core_pct = div64_u64(sample->aperf * 100, sample->mperf); 563 core_pct = div_fp(int_tofp((sample->aperf)),
564 int_tofp((sample->mperf)));
565 core_pct = mul_fp(core_pct, int_tofp(100));
566 FP_ROUNDUP(core_pct);
567
568 c0_pct = div_fp(int_tofp(sample->mperf), int_tofp(sample->tsc));
563 569
564 c0_pct = div64_u64(sample->mperf * 100, sample->tsc);
565 sample->freq = fp_toint( 570 sample->freq = fp_toint(
566 mul_fp(int_tofp(cpu->pstate.max_pstate), 571 mul_fp(int_tofp(cpu->pstate.max_pstate * 1000), core_pct));
567 int_tofp(core_pct * 1000)));
568 572
569 sample->core_pct_busy = mul_fp(int_tofp(core_pct), 573 sample->core_pct_busy = mul_fp(core_pct, c0_pct);
570 div_fp(int_tofp(c0_pct + 1), int_tofp(100)));
571} 574}
572 575
573static inline void intel_pstate_sample(struct cpudata *cpu) 576static inline void intel_pstate_sample(struct cpudata *cpu)
@@ -579,6 +582,10 @@ static inline void intel_pstate_sample(struct cpudata *cpu)
579 rdmsrl(MSR_IA32_MPERF, mperf); 582 rdmsrl(MSR_IA32_MPERF, mperf);
580 tsc = native_read_tsc(); 583 tsc = native_read_tsc();
581 584
585 aperf = aperf >> FRAC_BITS;
586 mperf = mperf >> FRAC_BITS;
587 tsc = tsc >> FRAC_BITS;
588
582 cpu->sample_ptr = (cpu->sample_ptr + 1) % SAMPLE_COUNT; 589 cpu->sample_ptr = (cpu->sample_ptr + 1) % SAMPLE_COUNT;
583 cpu->samples[cpu->sample_ptr].aperf = aperf; 590 cpu->samples[cpu->sample_ptr].aperf = aperf;
584 cpu->samples[cpu->sample_ptr].mperf = mperf; 591 cpu->samples[cpu->sample_ptr].mperf = mperf;
@@ -610,7 +617,8 @@ static inline int32_t intel_pstate_get_scaled_busy(struct cpudata *cpu)
610 core_busy = cpu->samples[cpu->sample_ptr].core_pct_busy; 617 core_busy = cpu->samples[cpu->sample_ptr].core_pct_busy;
611 max_pstate = int_tofp(cpu->pstate.max_pstate); 618 max_pstate = int_tofp(cpu->pstate.max_pstate);
612 current_pstate = int_tofp(cpu->pstate.current_pstate); 619 current_pstate = int_tofp(cpu->pstate.current_pstate);
613 return mul_fp(core_busy, div_fp(max_pstate, current_pstate)); 620 core_busy = mul_fp(core_busy, div_fp(max_pstate, current_pstate));
621 return FP_ROUNDUP(core_busy);
614} 622}
615 623
616static inline void intel_pstate_adjust_busy_pstate(struct cpudata *cpu) 624static inline void intel_pstate_adjust_busy_pstate(struct cpudata *cpu)
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 4e7918339b12..19041cefabb1 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -449,6 +449,7 @@ static const struct of_device_id sdma_dt_ids[] = {
449 { .compatible = "fsl,imx51-sdma", .data = &sdma_imx51, }, 449 { .compatible = "fsl,imx51-sdma", .data = &sdma_imx51, },
450 { .compatible = "fsl,imx35-sdma", .data = &sdma_imx35, }, 450 { .compatible = "fsl,imx35-sdma", .data = &sdma_imx35, },
451 { .compatible = "fsl,imx31-sdma", .data = &sdma_imx31, }, 451 { .compatible = "fsl,imx31-sdma", .data = &sdma_imx31, },
452 { .compatible = "fsl,imx25-sdma", .data = &sdma_imx25, },
452 { /* sentinel */ } 453 { /* sentinel */ }
453}; 454};
454MODULE_DEVICE_TABLE(of, sdma_dt_ids); 455MODULE_DEVICE_TABLE(of, sdma_dt_ids);
diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
index 87529181efcc..4e3549a16132 100644
--- a/drivers/dma/ioat/dma.c
+++ b/drivers/dma/ioat/dma.c
@@ -77,7 +77,8 @@ static irqreturn_t ioat_dma_do_interrupt(int irq, void *data)
77 attnstatus = readl(instance->reg_base + IOAT_ATTNSTATUS_OFFSET); 77 attnstatus = readl(instance->reg_base + IOAT_ATTNSTATUS_OFFSET);
78 for_each_set_bit(bit, &attnstatus, BITS_PER_LONG) { 78 for_each_set_bit(bit, &attnstatus, BITS_PER_LONG) {
79 chan = ioat_chan_by_index(instance, bit); 79 chan = ioat_chan_by_index(instance, bit);
80 tasklet_schedule(&chan->cleanup_task); 80 if (test_bit(IOAT_RUN, &chan->state))
81 tasklet_schedule(&chan->cleanup_task);
81 } 82 }
82 83
83 writeb(intrctrl, instance->reg_base + IOAT_INTRCTRL_OFFSET); 84 writeb(intrctrl, instance->reg_base + IOAT_INTRCTRL_OFFSET);
@@ -93,7 +94,8 @@ static irqreturn_t ioat_dma_do_interrupt_msix(int irq, void *data)
93{ 94{
94 struct ioat_chan_common *chan = data; 95 struct ioat_chan_common *chan = data;
95 96
96 tasklet_schedule(&chan->cleanup_task); 97 if (test_bit(IOAT_RUN, &chan->state))
98 tasklet_schedule(&chan->cleanup_task);
97 99
98 return IRQ_HANDLED; 100 return IRQ_HANDLED;
99} 101}
@@ -116,7 +118,6 @@ void ioat_init_channel(struct ioatdma_device *device, struct ioat_chan_common *c
116 chan->timer.function = device->timer_fn; 118 chan->timer.function = device->timer_fn;
117 chan->timer.data = data; 119 chan->timer.data = data;
118 tasklet_init(&chan->cleanup_task, device->cleanup_fn, data); 120 tasklet_init(&chan->cleanup_task, device->cleanup_fn, data);
119 tasklet_disable(&chan->cleanup_task);
120} 121}
121 122
122/** 123/**
@@ -354,13 +355,49 @@ static int ioat1_dma_alloc_chan_resources(struct dma_chan *c)
354 writel(((u64) chan->completion_dma) >> 32, 355 writel(((u64) chan->completion_dma) >> 32,
355 chan->reg_base + IOAT_CHANCMP_OFFSET_HIGH); 356 chan->reg_base + IOAT_CHANCMP_OFFSET_HIGH);
356 357
357 tasklet_enable(&chan->cleanup_task); 358 set_bit(IOAT_RUN, &chan->state);
358 ioat1_dma_start_null_desc(ioat); /* give chain to dma device */ 359 ioat1_dma_start_null_desc(ioat); /* give chain to dma device */
359 dev_dbg(to_dev(chan), "%s: allocated %d descriptors\n", 360 dev_dbg(to_dev(chan), "%s: allocated %d descriptors\n",
360 __func__, ioat->desccount); 361 __func__, ioat->desccount);
361 return ioat->desccount; 362 return ioat->desccount;
362} 363}
363 364
365void ioat_stop(struct ioat_chan_common *chan)
366{
367 struct ioatdma_device *device = chan->device;
368 struct pci_dev *pdev = device->pdev;
369 int chan_id = chan_num(chan);
370 struct msix_entry *msix;
371
372 /* 1/ stop irq from firing tasklets
373 * 2/ stop the tasklet from re-arming irqs
374 */
375 clear_bit(IOAT_RUN, &chan->state);
376
377 /* flush inflight interrupts */
378 switch (device->irq_mode) {
379 case IOAT_MSIX:
380 msix = &device->msix_entries[chan_id];
381 synchronize_irq(msix->vector);
382 break;
383 case IOAT_MSI:
384 case IOAT_INTX:
385 synchronize_irq(pdev->irq);
386 break;
387 default:
388 break;
389 }
390
391 /* flush inflight timers */
392 del_timer_sync(&chan->timer);
393
394 /* flush inflight tasklet runs */
395 tasklet_kill(&chan->cleanup_task);
396
397 /* final cleanup now that everything is quiesced and can't re-arm */
398 device->cleanup_fn((unsigned long) &chan->common);
399}
400
364/** 401/**
365 * ioat1_dma_free_chan_resources - release all the descriptors 402 * ioat1_dma_free_chan_resources - release all the descriptors
366 * @chan: the channel to be cleaned 403 * @chan: the channel to be cleaned
@@ -379,9 +416,7 @@ static void ioat1_dma_free_chan_resources(struct dma_chan *c)
379 if (ioat->desccount == 0) 416 if (ioat->desccount == 0)
380 return; 417 return;
381 418
382 tasklet_disable(&chan->cleanup_task); 419 ioat_stop(chan);
383 del_timer_sync(&chan->timer);
384 ioat1_cleanup(ioat);
385 420
386 /* Delay 100ms after reset to allow internal DMA logic to quiesce 421 /* Delay 100ms after reset to allow internal DMA logic to quiesce
387 * before removing DMA descriptor resources. 422 * before removing DMA descriptor resources.
@@ -526,8 +561,11 @@ ioat1_dma_prep_memcpy(struct dma_chan *c, dma_addr_t dma_dest,
526static void ioat1_cleanup_event(unsigned long data) 561static void ioat1_cleanup_event(unsigned long data)
527{ 562{
528 struct ioat_dma_chan *ioat = to_ioat_chan((void *) data); 563 struct ioat_dma_chan *ioat = to_ioat_chan((void *) data);
564 struct ioat_chan_common *chan = &ioat->base;
529 565
530 ioat1_cleanup(ioat); 566 ioat1_cleanup(ioat);
567 if (!test_bit(IOAT_RUN, &chan->state))
568 return;
531 writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET); 569 writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET);
532} 570}
533 571
diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index 11fb877ddca9..e982f00a9843 100644
--- a/drivers/dma/ioat/dma.h
+++ b/drivers/dma/ioat/dma.h
@@ -356,6 +356,7 @@ bool ioat_cleanup_preamble(struct ioat_chan_common *chan,
356void ioat_kobject_add(struct ioatdma_device *device, struct kobj_type *type); 356void ioat_kobject_add(struct ioatdma_device *device, struct kobj_type *type);
357void ioat_kobject_del(struct ioatdma_device *device); 357void ioat_kobject_del(struct ioatdma_device *device);
358int ioat_dma_setup_interrupts(struct ioatdma_device *device); 358int ioat_dma_setup_interrupts(struct ioatdma_device *device);
359void ioat_stop(struct ioat_chan_common *chan);
359extern const struct sysfs_ops ioat_sysfs_ops; 360extern const struct sysfs_ops ioat_sysfs_ops;
360extern struct ioat_sysfs_entry ioat_version_attr; 361extern struct ioat_sysfs_entry ioat_version_attr;
361extern struct ioat_sysfs_entry ioat_cap_attr; 362extern struct ioat_sysfs_entry ioat_cap_attr;
diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c
index 5d3affe7e976..8d1058085eeb 100644
--- a/drivers/dma/ioat/dma_v2.c
+++ b/drivers/dma/ioat/dma_v2.c
@@ -190,8 +190,11 @@ static void ioat2_cleanup(struct ioat2_dma_chan *ioat)
190void ioat2_cleanup_event(unsigned long data) 190void ioat2_cleanup_event(unsigned long data)
191{ 191{
192 struct ioat2_dma_chan *ioat = to_ioat2_chan((void *) data); 192 struct ioat2_dma_chan *ioat = to_ioat2_chan((void *) data);
193 struct ioat_chan_common *chan = &ioat->base;
193 194
194 ioat2_cleanup(ioat); 195 ioat2_cleanup(ioat);
196 if (!test_bit(IOAT_RUN, &chan->state))
197 return;
195 writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET); 198 writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET);
196} 199}
197 200
@@ -553,10 +556,10 @@ int ioat2_alloc_chan_resources(struct dma_chan *c)
553 ioat->issued = 0; 556 ioat->issued = 0;
554 ioat->tail = 0; 557 ioat->tail = 0;
555 ioat->alloc_order = order; 558 ioat->alloc_order = order;
559 set_bit(IOAT_RUN, &chan->state);
556 spin_unlock_bh(&ioat->prep_lock); 560 spin_unlock_bh(&ioat->prep_lock);
557 spin_unlock_bh(&chan->cleanup_lock); 561 spin_unlock_bh(&chan->cleanup_lock);
558 562
559 tasklet_enable(&chan->cleanup_task);
560 ioat2_start_null_desc(ioat); 563 ioat2_start_null_desc(ioat);
561 564
562 /* check that we got off the ground */ 565 /* check that we got off the ground */
@@ -566,7 +569,6 @@ int ioat2_alloc_chan_resources(struct dma_chan *c)
566 } while (i++ < 20 && !is_ioat_active(status) && !is_ioat_idle(status)); 569 } while (i++ < 20 && !is_ioat_active(status) && !is_ioat_idle(status));
567 570
568 if (is_ioat_active(status) || is_ioat_idle(status)) { 571 if (is_ioat_active(status) || is_ioat_idle(status)) {
569 set_bit(IOAT_RUN, &chan->state);
570 return 1 << ioat->alloc_order; 572 return 1 << ioat->alloc_order;
571 } else { 573 } else {
572 u32 chanerr = readl(chan->reg_base + IOAT_CHANERR_OFFSET); 574 u32 chanerr = readl(chan->reg_base + IOAT_CHANERR_OFFSET);
@@ -809,11 +811,8 @@ void ioat2_free_chan_resources(struct dma_chan *c)
809 if (!ioat->ring) 811 if (!ioat->ring)
810 return; 812 return;
811 813
812 tasklet_disable(&chan->cleanup_task); 814 ioat_stop(chan);
813 del_timer_sync(&chan->timer);
814 device->cleanup_fn((unsigned long) c);
815 device->reset_hw(chan); 815 device->reset_hw(chan);
816 clear_bit(IOAT_RUN, &chan->state);
817 816
818 spin_lock_bh(&chan->cleanup_lock); 817 spin_lock_bh(&chan->cleanup_lock);
819 spin_lock_bh(&ioat->prep_lock); 818 spin_lock_bh(&ioat->prep_lock);
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index 820817e97e62..b9b38a1cf92f 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -464,8 +464,11 @@ static void ioat3_cleanup(struct ioat2_dma_chan *ioat)
464static void ioat3_cleanup_event(unsigned long data) 464static void ioat3_cleanup_event(unsigned long data)
465{ 465{
466 struct ioat2_dma_chan *ioat = to_ioat2_chan((void *) data); 466 struct ioat2_dma_chan *ioat = to_ioat2_chan((void *) data);
467 struct ioat_chan_common *chan = &ioat->base;
467 468
468 ioat3_cleanup(ioat); 469 ioat3_cleanup(ioat);
470 if (!test_bit(IOAT_RUN, &chan->state))
471 return;
469 writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET); 472 writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET);
470} 473}
471 474
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 00a2de957b23..bf18c786ed40 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -1641,6 +1641,7 @@ static void dma_tasklet(unsigned long data)
1641 struct d40_chan *d40c = (struct d40_chan *) data; 1641 struct d40_chan *d40c = (struct d40_chan *) data;
1642 struct d40_desc *d40d; 1642 struct d40_desc *d40d;
1643 unsigned long flags; 1643 unsigned long flags;
1644 bool callback_active;
1644 dma_async_tx_callback callback; 1645 dma_async_tx_callback callback;
1645 void *callback_param; 1646 void *callback_param;
1646 1647
@@ -1668,6 +1669,7 @@ static void dma_tasklet(unsigned long data)
1668 } 1669 }
1669 1670
1670 /* Callback to client */ 1671 /* Callback to client */
1672 callback_active = !!(d40d->txd.flags & DMA_PREP_INTERRUPT);
1671 callback = d40d->txd.callback; 1673 callback = d40d->txd.callback;
1672 callback_param = d40d->txd.callback_param; 1674 callback_param = d40d->txd.callback_param;
1673 1675
@@ -1690,7 +1692,7 @@ static void dma_tasklet(unsigned long data)
1690 1692
1691 spin_unlock_irqrestore(&d40c->lock, flags); 1693 spin_unlock_irqrestore(&d40c->lock, flags);
1692 1694
1693 if (callback && (d40d->txd.flags & DMA_PREP_INTERRUPT)) 1695 if (callback_active && callback)
1694 callback(callback_param); 1696 callback(callback_param);
1695 1697
1696 return; 1698 return;
diff --git a/drivers/edac/i7300_edac.c b/drivers/edac/i7300_edac.c
index d63f4798f7d0..57e96a3350f0 100644
--- a/drivers/edac/i7300_edac.c
+++ b/drivers/edac/i7300_edac.c
@@ -943,33 +943,35 @@ static int i7300_get_devices(struct mem_ctl_info *mci)
943 943
944 /* Attempt to 'get' the MCH register we want */ 944 /* Attempt to 'get' the MCH register we want */
945 pdev = NULL; 945 pdev = NULL;
946 while (!pvt->pci_dev_16_1_fsb_addr_map || 946 while ((pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
947 !pvt->pci_dev_16_2_fsb_err_regs) { 947 PCI_DEVICE_ID_INTEL_I7300_MCH_ERR,
948 pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 948 pdev))) {
949 PCI_DEVICE_ID_INTEL_I7300_MCH_ERR, pdev);
950 if (!pdev) {
951 /* End of list, leave */
952 i7300_printk(KERN_ERR,
953 "'system address,Process Bus' "
954 "device not found:"
955 "vendor 0x%x device 0x%x ERR funcs "
956 "(broken BIOS?)\n",
957 PCI_VENDOR_ID_INTEL,
958 PCI_DEVICE_ID_INTEL_I7300_MCH_ERR);
959 goto error;
960 }
961
962 /* Store device 16 funcs 1 and 2 */ 949 /* Store device 16 funcs 1 and 2 */
963 switch (PCI_FUNC(pdev->devfn)) { 950 switch (PCI_FUNC(pdev->devfn)) {
964 case 1: 951 case 1:
965 pvt->pci_dev_16_1_fsb_addr_map = pdev; 952 if (!pvt->pci_dev_16_1_fsb_addr_map)
953 pvt->pci_dev_16_1_fsb_addr_map =
954 pci_dev_get(pdev);
966 break; 955 break;
967 case 2: 956 case 2:
968 pvt->pci_dev_16_2_fsb_err_regs = pdev; 957 if (!pvt->pci_dev_16_2_fsb_err_regs)
958 pvt->pci_dev_16_2_fsb_err_regs =
959 pci_dev_get(pdev);
969 break; 960 break;
970 } 961 }
971 } 962 }
972 963
964 if (!pvt->pci_dev_16_1_fsb_addr_map ||
965 !pvt->pci_dev_16_2_fsb_err_regs) {
966 /* At least one device was not found */
967 i7300_printk(KERN_ERR,
968 "'system address,Process Bus' device not found:"
969 "vendor 0x%x device 0x%x ERR funcs (broken BIOS?)\n",
970 PCI_VENDOR_ID_INTEL,
971 PCI_DEVICE_ID_INTEL_I7300_MCH_ERR);
972 goto error;
973 }
974
973 edac_dbg(1, "System Address, processor bus- PCI Bus ID: %s %x:%x\n", 975 edac_dbg(1, "System Address, processor bus- PCI Bus ID: %s %x:%x\n",
974 pci_name(pvt->pci_dev_16_0_fsb_ctlr), 976 pci_name(pvt->pci_dev_16_0_fsb_ctlr),
975 pvt->pci_dev_16_0_fsb_ctlr->vendor, 977 pvt->pci_dev_16_0_fsb_ctlr->vendor,
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index 87533ca7752e..d871275196f6 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -1334,14 +1334,19 @@ static int i7core_get_onedevice(struct pci_dev **prev,
1334 * is at addr 8086:2c40, instead of 8086:2c41. So, we need 1334 * is at addr 8086:2c40, instead of 8086:2c41. So, we need
1335 * to probe for the alternate address in case of failure 1335 * to probe for the alternate address in case of failure
1336 */ 1336 */
1337 if (dev_descr->dev_id == PCI_DEVICE_ID_INTEL_I7_NONCORE && !pdev) 1337 if (dev_descr->dev_id == PCI_DEVICE_ID_INTEL_I7_NONCORE && !pdev) {
1338 pci_dev_get(*prev); /* pci_get_device will put it */
1338 pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 1339 pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
1339 PCI_DEVICE_ID_INTEL_I7_NONCORE_ALT, *prev); 1340 PCI_DEVICE_ID_INTEL_I7_NONCORE_ALT, *prev);
1341 }
1340 1342
1341 if (dev_descr->dev_id == PCI_DEVICE_ID_INTEL_LYNNFIELD_NONCORE && !pdev) 1343 if (dev_descr->dev_id == PCI_DEVICE_ID_INTEL_LYNNFIELD_NONCORE &&
1344 !pdev) {
1345 pci_dev_get(*prev); /* pci_get_device will put it */
1342 pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 1346 pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
1343 PCI_DEVICE_ID_INTEL_LYNNFIELD_NONCORE_ALT, 1347 PCI_DEVICE_ID_INTEL_LYNNFIELD_NONCORE_ALT,
1344 *prev); 1348 *prev);
1349 }
1345 1350
1346 if (!pdev) { 1351 if (!pdev) {
1347 if (*prev) { 1352 if (*prev) {
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index c20602f601ee..98a14f6143a7 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -222,27 +222,19 @@ static void arizona_extcon_pulse_micbias(struct arizona_extcon_info *info)
222 struct snd_soc_dapm_context *dapm = arizona->dapm; 222 struct snd_soc_dapm_context *dapm = arizona->dapm;
223 int ret; 223 int ret;
224 224
225 mutex_lock(&dapm->card->dapm_mutex);
226
227 ret = snd_soc_dapm_force_enable_pin(dapm, widget); 225 ret = snd_soc_dapm_force_enable_pin(dapm, widget);
228 if (ret != 0) 226 if (ret != 0)
229 dev_warn(arizona->dev, "Failed to enable %s: %d\n", 227 dev_warn(arizona->dev, "Failed to enable %s: %d\n",
230 widget, ret); 228 widget, ret);
231 229
232 mutex_unlock(&dapm->card->dapm_mutex);
233
234 snd_soc_dapm_sync(dapm); 230 snd_soc_dapm_sync(dapm);
235 231
236 if (!arizona->pdata.micd_force_micbias) { 232 if (!arizona->pdata.micd_force_micbias) {
237 mutex_lock(&dapm->card->dapm_mutex);
238
239 ret = snd_soc_dapm_disable_pin(arizona->dapm, widget); 233 ret = snd_soc_dapm_disable_pin(arizona->dapm, widget);
240 if (ret != 0) 234 if (ret != 0)
241 dev_warn(arizona->dev, "Failed to disable %s: %d\n", 235 dev_warn(arizona->dev, "Failed to disable %s: %d\n",
242 widget, ret); 236 widget, ret);
243 237
244 mutex_unlock(&dapm->card->dapm_mutex);
245
246 snd_soc_dapm_sync(dapm); 238 snd_soc_dapm_sync(dapm);
247 } 239 }
248} 240}
@@ -304,16 +296,12 @@ static void arizona_stop_mic(struct arizona_extcon_info *info)
304 ARIZONA_MICD_ENA, 0, 296 ARIZONA_MICD_ENA, 0,
305 &change); 297 &change);
306 298
307 mutex_lock(&dapm->card->dapm_mutex);
308
309 ret = snd_soc_dapm_disable_pin(dapm, widget); 299 ret = snd_soc_dapm_disable_pin(dapm, widget);
310 if (ret != 0) 300 if (ret != 0)
311 dev_warn(arizona->dev, 301 dev_warn(arizona->dev,
312 "Failed to disable %s: %d\n", 302 "Failed to disable %s: %d\n",
313 widget, ret); 303 widget, ret);
314 304
315 mutex_unlock(&dapm->card->dapm_mutex);
316
317 snd_soc_dapm_sync(dapm); 305 snd_soc_dapm_sync(dapm);
318 306
319 if (info->micd_reva) { 307 if (info->micd_reva) {
diff --git a/drivers/fmc/fmc-write-eeprom.c b/drivers/fmc/fmc-write-eeprom.c
index ee5b47904130..9bb2cbd5c9f2 100644
--- a/drivers/fmc/fmc-write-eeprom.c
+++ b/drivers/fmc/fmc-write-eeprom.c
@@ -27,7 +27,7 @@ FMC_PARAM_BUSID(fwe_drv);
27/* The "file=" is like the generic "gateware=" used elsewhere */ 27/* The "file=" is like the generic "gateware=" used elsewhere */
28static char *fwe_file[FMC_MAX_CARDS]; 28static char *fwe_file[FMC_MAX_CARDS];
29static int fwe_file_n; 29static int fwe_file_n;
30module_param_array_named(file, fwe_file, charp, &fwe_file_n, 444); 30module_param_array_named(file, fwe_file, charp, &fwe_file_n, 0444);
31 31
32static int fwe_run_tlv(struct fmc_device *fmc, const struct firmware *fw, 32static int fwe_run_tlv(struct fmc_device *fmc, const struct firmware *fw,
33 int write) 33 int write)
diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c
index acf3a36c9ebc..32982da82694 100644
--- a/drivers/gpu/drm/armada/armada_drv.c
+++ b/drivers/gpu/drm/armada/armada_drv.c
@@ -68,15 +68,7 @@ void __armada_drm_queue_unref_work(struct drm_device *dev,
68{ 68{
69 struct armada_private *priv = dev->dev_private; 69 struct armada_private *priv = dev->dev_private;
70 70
71 /* 71 WARN_ON(!kfifo_put(&priv->fb_unref, fb));
72 * Yes, we really must jump through these hoops just to store a
73 * _pointer_ to something into the kfifo. This is utterly insane
74 * and idiotic, because it kfifo requires the _data_ pointed to by
75 * the pointer const, not the pointer itself. Not only that, but
76 * you have to pass a pointer _to_ the pointer you want stored.
77 */
78 const struct drm_framebuffer *silly_api_alert = fb;
79 WARN_ON(!kfifo_put(&priv->fb_unref, &silly_api_alert));
80 schedule_work(&priv->fb_unref_work); 72 schedule_work(&priv->fb_unref_work);
81} 73}
82 74
diff --git a/drivers/gpu/drm/bochs/Kconfig b/drivers/gpu/drm/bochs/Kconfig
index c8fcf12019f0..5f8b0c2b9a44 100644
--- a/drivers/gpu/drm/bochs/Kconfig
+++ b/drivers/gpu/drm/bochs/Kconfig
@@ -2,6 +2,7 @@ config DRM_BOCHS
2 tristate "DRM Support for bochs dispi vga interface (qemu stdvga)" 2 tristate "DRM Support for bochs dispi vga interface (qemu stdvga)"
3 depends on DRM && PCI 3 depends on DRM && PCI
4 select DRM_KMS_HELPER 4 select DRM_KMS_HELPER
5 select DRM_KMS_FB_HELPER
5 select FB_SYS_FILLRECT 6 select FB_SYS_FILLRECT
6 select FB_SYS_COPYAREA 7 select FB_SYS_COPYAREA
7 select FB_SYS_IMAGEBLIT 8 select FB_SYS_IMAGEBLIT
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 04f1f02c4019..ec7bb0fc71bc 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -403,7 +403,7 @@ MODULE_DEVICE_TABLE(pci, pciidlist);
403void intel_detect_pch(struct drm_device *dev) 403void intel_detect_pch(struct drm_device *dev)
404{ 404{
405 struct drm_i915_private *dev_priv = dev->dev_private; 405 struct drm_i915_private *dev_priv = dev->dev_private;
406 struct pci_dev *pch; 406 struct pci_dev *pch = NULL;
407 407
408 /* In all current cases, num_pipes is equivalent to the PCH_NOP setting 408 /* In all current cases, num_pipes is equivalent to the PCH_NOP setting
409 * (which really amounts to a PCH but no South Display). 409 * (which really amounts to a PCH but no South Display).
@@ -424,12 +424,9 @@ void intel_detect_pch(struct drm_device *dev)
424 * all the ISA bridge devices and check for the first match, instead 424 * all the ISA bridge devices and check for the first match, instead
425 * of only checking the first one. 425 * of only checking the first one.
426 */ 426 */
427 pch = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL); 427 while ((pch = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, pch))) {
428 while (pch) {
429 struct pci_dev *curr = pch;
430 if (pch->vendor == PCI_VENDOR_ID_INTEL) { 428 if (pch->vendor == PCI_VENDOR_ID_INTEL) {
431 unsigned short id; 429 unsigned short id = pch->device & INTEL_PCH_DEVICE_ID_MASK;
432 id = pch->device & INTEL_PCH_DEVICE_ID_MASK;
433 dev_priv->pch_id = id; 430 dev_priv->pch_id = id;
434 431
435 if (id == INTEL_PCH_IBX_DEVICE_ID_TYPE) { 432 if (id == INTEL_PCH_IBX_DEVICE_ID_TYPE) {
@@ -461,18 +458,16 @@ void intel_detect_pch(struct drm_device *dev)
461 DRM_DEBUG_KMS("Found LynxPoint LP PCH\n"); 458 DRM_DEBUG_KMS("Found LynxPoint LP PCH\n");
462 WARN_ON(!IS_HASWELL(dev)); 459 WARN_ON(!IS_HASWELL(dev));
463 WARN_ON(!IS_ULT(dev)); 460 WARN_ON(!IS_ULT(dev));
464 } else { 461 } else
465 goto check_next; 462 continue;
466 } 463
467 pci_dev_put(pch);
468 break; 464 break;
469 } 465 }
470check_next:
471 pch = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, curr);
472 pci_dev_put(curr);
473 } 466 }
474 if (!pch) 467 if (!pch)
475 DRM_DEBUG_KMS("No PCH found?\n"); 468 DRM_DEBUG_KMS("No PCH found.\n");
469
470 pci_dev_put(pch);
476} 471}
477 472
478bool i915_semaphore_is_enabled(struct drm_device *dev) 473bool i915_semaphore_is_enabled(struct drm_device *dev)
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
index 1a24e84f2315..d58b4e287e32 100644
--- a/drivers/gpu/drm/i915/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
@@ -82,9 +82,22 @@ static unsigned long i915_stolen_to_physical(struct drm_device *dev)
82 r = devm_request_mem_region(dev->dev, base, dev_priv->gtt.stolen_size, 82 r = devm_request_mem_region(dev->dev, base, dev_priv->gtt.stolen_size,
83 "Graphics Stolen Memory"); 83 "Graphics Stolen Memory");
84 if (r == NULL) { 84 if (r == NULL) {
85 DRM_ERROR("conflict detected with stolen region: [0x%08x - 0x%08x]\n", 85 /*
86 base, base + (uint32_t)dev_priv->gtt.stolen_size); 86 * One more attempt but this time requesting region from
87 base = 0; 87 * base + 1, as we have seen that this resolves the region
88 * conflict with the PCI Bus.
89 * This is a BIOS w/a: Some BIOS wrap stolen in the root
90 * PCI bus, but have an off-by-one error. Hence retry the
91 * reservation starting from 1 instead of 0.
92 */
93 r = devm_request_mem_region(dev->dev, base + 1,
94 dev_priv->gtt.stolen_size - 1,
95 "Graphics Stolen Memory");
96 if (r == NULL) {
97 DRM_ERROR("conflict detected with stolen region: [0x%08x - 0x%08x]\n",
98 base, base + (uint32_t)dev_priv->gtt.stolen_size);
99 base = 0;
100 }
88 } 101 }
89 102
90 return base; 103 return base;
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 4c1672809493..9b8a7c7ea7fc 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1092,12 +1092,12 @@ static void assert_cursor(struct drm_i915_private *dev_priv,
1092 struct drm_device *dev = dev_priv->dev; 1092 struct drm_device *dev = dev_priv->dev;
1093 bool cur_state; 1093 bool cur_state;
1094 1094
1095 if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) 1095 if (IS_845G(dev) || IS_I865G(dev))
1096 cur_state = I915_READ(CURCNTR_IVB(pipe)) & CURSOR_MODE;
1097 else if (IS_845G(dev) || IS_I865G(dev))
1098 cur_state = I915_READ(_CURACNTR) & CURSOR_ENABLE; 1096 cur_state = I915_READ(_CURACNTR) & CURSOR_ENABLE;
1099 else 1097 else if (INTEL_INFO(dev)->gen <= 6 || IS_VALLEYVIEW(dev))
1100 cur_state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE; 1098 cur_state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE;
1099 else
1100 cur_state = I915_READ(CURCNTR_IVB(pipe)) & CURSOR_MODE;
1101 1101
1102 WARN(cur_state != state, 1102 WARN(cur_state != state,
1103 "cursor on pipe %c assertion failure (expected %s, current %s)\n", 1103 "cursor on pipe %c assertion failure (expected %s, current %s)\n",
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 6db0d9d17f47..ee3181ebcc92 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -845,7 +845,7 @@ static int hdmi_portclock_limit(struct intel_hdmi *hdmi)
845{ 845{
846 struct drm_device *dev = intel_hdmi_to_dev(hdmi); 846 struct drm_device *dev = intel_hdmi_to_dev(hdmi);
847 847
848 if (IS_G4X(dev)) 848 if (!hdmi->has_hdmi_sink || IS_G4X(dev))
849 return 165000; 849 return 165000;
850 else if (IS_HASWELL(dev) || INTEL_INFO(dev)->gen >= 8) 850 else if (IS_HASWELL(dev) || INTEL_INFO(dev)->gen >= 8)
851 return 300000; 851 return 300000;
@@ -899,8 +899,8 @@ bool intel_hdmi_compute_config(struct intel_encoder *encoder,
899 * outputs. We also need to check that the higher clock still fits 899 * outputs. We also need to check that the higher clock still fits
900 * within limits. 900 * within limits.
901 */ 901 */
902 if (pipe_config->pipe_bpp > 8*3 && clock_12bpc <= portclock_limit 902 if (pipe_config->pipe_bpp > 8*3 && intel_hdmi->has_hdmi_sink &&
903 && HAS_PCH_SPLIT(dev)) { 903 clock_12bpc <= portclock_limit && HAS_PCH_SPLIT(dev)) {
904 DRM_DEBUG_KMS("picking bpc to 12 for HDMI output\n"); 904 DRM_DEBUG_KMS("picking bpc to 12 for HDMI output\n");
905 desired_bpp = 12*3; 905 desired_bpp = 12*3;
906 906
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 350de359123a..079ea38f14d9 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -698,7 +698,7 @@ static void i9xx_enable_backlight(struct intel_connector *connector)
698 freq /= 0xff; 698 freq /= 0xff;
699 699
700 ctl = freq << 17; 700 ctl = freq << 17;
701 if (IS_GEN2(dev) && panel->backlight.combination_mode) 701 if (panel->backlight.combination_mode)
702 ctl |= BLM_LEGACY_MODE; 702 ctl |= BLM_LEGACY_MODE;
703 if (IS_PINEVIEW(dev) && panel->backlight.active_low_pwm) 703 if (IS_PINEVIEW(dev) && panel->backlight.active_low_pwm)
704 ctl |= BLM_POLARITY_PNV; 704 ctl |= BLM_POLARITY_PNV;
@@ -979,7 +979,7 @@ static int i9xx_setup_backlight(struct intel_connector *connector)
979 979
980 ctl = I915_READ(BLC_PWM_CTL); 980 ctl = I915_READ(BLC_PWM_CTL);
981 981
982 if (IS_GEN2(dev)) 982 if (IS_GEN2(dev) || IS_I915GM(dev) || IS_I945GM(dev))
983 panel->backlight.combination_mode = ctl & BLM_LEGACY_MODE; 983 panel->backlight.combination_mode = ctl & BLM_LEGACY_MODE;
984 984
985 if (IS_PINEVIEW(dev)) 985 if (IS_PINEVIEW(dev))
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index d77cc81900f9..e1fc35a72656 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3493,6 +3493,8 @@ static void valleyview_setup_pctx(struct drm_device *dev)
3493 u32 pcbr; 3493 u32 pcbr;
3494 int pctx_size = 24*1024; 3494 int pctx_size = 24*1024;
3495 3495
3496 WARN_ON(!mutex_is_locked(&dev->struct_mutex));
3497
3496 pcbr = I915_READ(VLV_PCBR); 3498 pcbr = I915_READ(VLV_PCBR);
3497 if (pcbr) { 3499 if (pcbr) {
3498 /* BIOS set it up already, grab the pre-alloc'd space */ 3500 /* BIOS set it up already, grab the pre-alloc'd space */
@@ -3542,8 +3544,6 @@ static void valleyview_enable_rps(struct drm_device *dev)
3542 I915_WRITE(GTFIFODBG, gtfifodbg); 3544 I915_WRITE(GTFIFODBG, gtfifodbg);
3543 } 3545 }
3544 3546
3545 valleyview_setup_pctx(dev);
3546
3547 /* If VLV, Forcewake all wells, else re-direct to regular path */ 3547 /* If VLV, Forcewake all wells, else re-direct to regular path */
3548 gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL); 3548 gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);
3549 3549
@@ -4395,6 +4395,8 @@ void intel_enable_gt_powersave(struct drm_device *dev)
4395 ironlake_enable_rc6(dev); 4395 ironlake_enable_rc6(dev);
4396 intel_init_emon(dev); 4396 intel_init_emon(dev);
4397 } else if (IS_GEN6(dev) || IS_GEN7(dev)) { 4397 } else if (IS_GEN6(dev) || IS_GEN7(dev)) {
4398 if (IS_VALLEYVIEW(dev))
4399 valleyview_setup_pctx(dev);
4398 /* 4400 /*
4399 * PCU communication is slow and this doesn't need to be 4401 * PCU communication is slow and this doesn't need to be
4400 * done at any specific time, so do this out of our fast path 4402 * done at any specific time, so do this out of our fast path
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 0d19f4f94d5a..daa4dd375ab1 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1774,6 +1774,20 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc)
1774 return ATOM_PPLL1; 1774 return ATOM_PPLL1;
1775 DRM_ERROR("unable to allocate a PPLL\n"); 1775 DRM_ERROR("unable to allocate a PPLL\n");
1776 return ATOM_PPLL_INVALID; 1776 return ATOM_PPLL_INVALID;
1777 } else if (ASIC_IS_DCE41(rdev)) {
1778 /* Don't share PLLs on DCE4.1 chips */
1779 if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) {
1780 if (rdev->clock.dp_extclk)
1781 /* skip PPLL programming if using ext clock */
1782 return ATOM_PPLL_INVALID;
1783 }
1784 pll_in_use = radeon_get_pll_use_mask(crtc);
1785 if (!(pll_in_use & (1 << ATOM_PPLL1)))
1786 return ATOM_PPLL1;
1787 if (!(pll_in_use & (1 << ATOM_PPLL2)))
1788 return ATOM_PPLL2;
1789 DRM_ERROR("unable to allocate a PPLL\n");
1790 return ATOM_PPLL_INVALID;
1777 } else if (ASIC_IS_DCE4(rdev)) { 1791 } else if (ASIC_IS_DCE4(rdev)) {
1778 /* in DP mode, the DP ref clock can come from PPLL, DCPLL, or ext clock, 1792 /* in DP mode, the DP ref clock can come from PPLL, DCPLL, or ext clock,
1779 * depending on the asic: 1793 * depending on the asic:
@@ -1801,7 +1815,7 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc)
1801 if (pll != ATOM_PPLL_INVALID) 1815 if (pll != ATOM_PPLL_INVALID)
1802 return pll; 1816 return pll;
1803 } 1817 }
1804 } else if (!ASIC_IS_DCE41(rdev)) { /* Don't share PLLs on DCE4.1 chips */ 1818 } else {
1805 /* use the same PPLL for all monitors with the same clock */ 1819 /* use the same PPLL for all monitors with the same clock */
1806 pll = radeon_get_shared_nondp_ppll(crtc); 1820 pll = radeon_get_shared_nondp_ppll(crtc);
1807 if (pll != ATOM_PPLL_INVALID) 1821 if (pll != ATOM_PPLL_INVALID)
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 2cec2ab02f80..607dc14d195e 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -1314,7 +1314,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
1314 } 1314 }
1315 if (is_dp) 1315 if (is_dp)
1316 args.v5.ucLaneNum = dp_lane_count; 1316 args.v5.ucLaneNum = dp_lane_count;
1317 else if (radeon_encoder->pixel_clock > 165000) 1317 else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock))
1318 args.v5.ucLaneNum = 8; 1318 args.v5.ucLaneNum = 8;
1319 else 1319 else
1320 args.v5.ucLaneNum = 4; 1320 args.v5.ucLaneNum = 4;
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index e6419ca7cd37..e22be8458d92 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -3046,7 +3046,7 @@ static u32 cik_create_bitmask(u32 bit_width)
3046} 3046}
3047 3047
3048/** 3048/**
3049 * cik_select_se_sh - select which SE, SH to address 3049 * cik_get_rb_disabled - computes the mask of disabled RBs
3050 * 3050 *
3051 * @rdev: radeon_device pointer 3051 * @rdev: radeon_device pointer
3052 * @max_rb_num: max RBs (render backends) for the asic 3052 * @max_rb_num: max RBs (render backends) for the asic
@@ -7902,7 +7902,8 @@ int cik_resume(struct radeon_device *rdev)
7902 /* init golden registers */ 7902 /* init golden registers */
7903 cik_init_golden_registers(rdev); 7903 cik_init_golden_registers(rdev);
7904 7904
7905 radeon_pm_resume(rdev); 7905 if (rdev->pm.pm_method == PM_METHOD_DPM)
7906 radeon_pm_resume(rdev);
7906 7907
7907 rdev->accel_working = true; 7908 rdev->accel_working = true;
7908 r = cik_startup(rdev); 7909 r = cik_startup(rdev);
diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c b/drivers/gpu/drm/radeon/dce6_afmt.c
index 713a5d359901..94e858751994 100644
--- a/drivers/gpu/drm/radeon/dce6_afmt.c
+++ b/drivers/gpu/drm/radeon/dce6_afmt.c
@@ -278,13 +278,15 @@ static int dce6_audio_chipset_supported(struct radeon_device *rdev)
278 return !ASIC_IS_NODCE(rdev); 278 return !ASIC_IS_NODCE(rdev);
279} 279}
280 280
281static void dce6_audio_enable(struct radeon_device *rdev, 281void dce6_audio_enable(struct radeon_device *rdev,
282 struct r600_audio_pin *pin, 282 struct r600_audio_pin *pin,
283 bool enable) 283 bool enable)
284{ 284{
285 if (!pin)
286 return;
287
285 WREG32_ENDPOINT(pin->offset, AZ_F0_CODEC_PIN_CONTROL_HOTPLUG_CONTROL, 288 WREG32_ENDPOINT(pin->offset, AZ_F0_CODEC_PIN_CONTROL_HOTPLUG_CONTROL,
286 AUDIO_ENABLED); 289 enable ? AUDIO_ENABLED : 0);
287 DRM_INFO("%s audio %d support\n", enable ? "Enabling" : "Disabling", pin->id);
288} 290}
289 291
290static const u32 pin_offsets[7] = 292static const u32 pin_offsets[7] =
@@ -323,7 +325,8 @@ int dce6_audio_init(struct radeon_device *rdev)
323 rdev->audio.pin[i].connected = false; 325 rdev->audio.pin[i].connected = false;
324 rdev->audio.pin[i].offset = pin_offsets[i]; 326 rdev->audio.pin[i].offset = pin_offsets[i];
325 rdev->audio.pin[i].id = i; 327 rdev->audio.pin[i].id = i;
326 dce6_audio_enable(rdev, &rdev->audio.pin[i], true); 328 /* disable audio. it will be set up later */
329 dce6_audio_enable(rdev, &rdev->audio.pin[i], false);
327 } 330 }
328 331
329 return 0; 332 return 0;
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 5623e7542d99..27b0ff16082e 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -5299,7 +5299,8 @@ int evergreen_resume(struct radeon_device *rdev)
5299 /* init golden registers */ 5299 /* init golden registers */
5300 evergreen_init_golden_registers(rdev); 5300 evergreen_init_golden_registers(rdev);
5301 5301
5302 radeon_pm_resume(rdev); 5302 if (rdev->pm.pm_method == PM_METHOD_DPM)
5303 radeon_pm_resume(rdev);
5303 5304
5304 rdev->accel_working = true; 5305 rdev->accel_working = true;
5305 r = evergreen_startup(rdev); 5306 r = evergreen_startup(rdev);
@@ -5475,9 +5476,9 @@ void evergreen_fini(struct radeon_device *rdev)
5475 radeon_wb_fini(rdev); 5476 radeon_wb_fini(rdev);
5476 radeon_ib_pool_fini(rdev); 5477 radeon_ib_pool_fini(rdev);
5477 radeon_irq_kms_fini(rdev); 5478 radeon_irq_kms_fini(rdev);
5478 evergreen_pcie_gart_fini(rdev);
5479 uvd_v1_0_fini(rdev); 5479 uvd_v1_0_fini(rdev);
5480 radeon_uvd_fini(rdev); 5480 radeon_uvd_fini(rdev);
5481 evergreen_pcie_gart_fini(rdev);
5481 r600_vram_scratch_fini(rdev); 5482 r600_vram_scratch_fini(rdev);
5482 radeon_gem_fini(rdev); 5483 radeon_gem_fini(rdev);
5483 radeon_fence_driver_fini(rdev); 5484 radeon_fence_driver_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c
index 0c6d5cef4cf1..05b0c95813fd 100644
--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -306,6 +306,15 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
306 return; 306 return;
307 offset = dig->afmt->offset; 307 offset = dig->afmt->offset;
308 308
309 /* disable audio prior to setting up hw */
310 if (ASIC_IS_DCE6(rdev)) {
311 dig->afmt->pin = dce6_audio_get_pin(rdev);
312 dce6_audio_enable(rdev, dig->afmt->pin, false);
313 } else {
314 dig->afmt->pin = r600_audio_get_pin(rdev);
315 r600_audio_enable(rdev, dig->afmt->pin, false);
316 }
317
309 evergreen_audio_set_dto(encoder, mode->clock); 318 evergreen_audio_set_dto(encoder, mode->clock);
310 319
311 WREG32(HDMI_VBI_PACKET_CONTROL + offset, 320 WREG32(HDMI_VBI_PACKET_CONTROL + offset,
@@ -409,12 +418,16 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
409 WREG32(AFMT_RAMP_CONTROL1 + offset, 0x007FFFFF); 418 WREG32(AFMT_RAMP_CONTROL1 + offset, 0x007FFFFF);
410 WREG32(AFMT_RAMP_CONTROL2 + offset, 0x00000001); 419 WREG32(AFMT_RAMP_CONTROL2 + offset, 0x00000001);
411 WREG32(AFMT_RAMP_CONTROL3 + offset, 0x00000001); 420 WREG32(AFMT_RAMP_CONTROL3 + offset, 0x00000001);
421
422 /* enable audio after to setting up hw */
423 if (ASIC_IS_DCE6(rdev))
424 dce6_audio_enable(rdev, dig->afmt->pin, true);
425 else
426 r600_audio_enable(rdev, dig->afmt->pin, true);
412} 427}
413 428
414void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable) 429void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable)
415{ 430{
416 struct drm_device *dev = encoder->dev;
417 struct radeon_device *rdev = dev->dev_private;
418 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 431 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
419 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 432 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
420 433
@@ -427,15 +440,6 @@ void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable)
427 if (!enable && !dig->afmt->enabled) 440 if (!enable && !dig->afmt->enabled)
428 return; 441 return;
429 442
430 if (enable) {
431 if (ASIC_IS_DCE6(rdev))
432 dig->afmt->pin = dce6_audio_get_pin(rdev);
433 else
434 dig->afmt->pin = r600_audio_get_pin(rdev);
435 } else {
436 dig->afmt->pin = NULL;
437 }
438
439 dig->afmt->enabled = enable; 443 dig->afmt->enabled = enable;
440 444
441 DRM_DEBUG("%sabling HDMI interface @ 0x%04X for encoder 0x%x\n", 445 DRM_DEBUG("%sabling HDMI interface @ 0x%04X for encoder 0x%x\n",
diff --git a/drivers/gpu/drm/radeon/evergreen_smc.h b/drivers/gpu/drm/radeon/evergreen_smc.h
index 76ada8cfe902..3a03ba37d043 100644
--- a/drivers/gpu/drm/radeon/evergreen_smc.h
+++ b/drivers/gpu/drm/radeon/evergreen_smc.h
@@ -57,7 +57,7 @@ typedef struct SMC_Evergreen_MCRegisters SMC_Evergreen_MCRegisters;
57 57
58#define EVERGREEN_SMC_FIRMWARE_HEADER_LOCATION 0x100 58#define EVERGREEN_SMC_FIRMWARE_HEADER_LOCATION 0x100
59 59
60#define EVERGREEN_SMC_FIRMWARE_HEADER_softRegisters 0x0 60#define EVERGREEN_SMC_FIRMWARE_HEADER_softRegisters 0x8
61#define EVERGREEN_SMC_FIRMWARE_HEADER_stateTable 0xC 61#define EVERGREEN_SMC_FIRMWARE_HEADER_stateTable 0xC
62#define EVERGREEN_SMC_FIRMWARE_HEADER_mcRegisterTable 0x20 62#define EVERGREEN_SMC_FIRMWARE_HEADER_mcRegisterTable 0x20
63 63
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index ea932ac66fc6..bf6300cfd62d 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -2105,7 +2105,8 @@ int cayman_resume(struct radeon_device *rdev)
2105 /* init golden registers */ 2105 /* init golden registers */
2106 ni_init_golden_registers(rdev); 2106 ni_init_golden_registers(rdev);
2107 2107
2108 radeon_pm_resume(rdev); 2108 if (rdev->pm.pm_method == PM_METHOD_DPM)
2109 radeon_pm_resume(rdev);
2109 2110
2110 rdev->accel_working = true; 2111 rdev->accel_working = true;
2111 r = cayman_startup(rdev); 2112 r = cayman_startup(rdev);
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index ef024ce3f7cc..3cc78bb66042 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -3942,8 +3942,6 @@ int r100_resume(struct radeon_device *rdev)
3942 /* Initialize surface registers */ 3942 /* Initialize surface registers */
3943 radeon_surface_init(rdev); 3943 radeon_surface_init(rdev);
3944 3944
3945 radeon_pm_resume(rdev);
3946
3947 rdev->accel_working = true; 3945 rdev->accel_working = true;
3948 r = r100_startup(rdev); 3946 r = r100_startup(rdev);
3949 if (r) { 3947 if (r) {
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 7c63ef840e86..0b658b34b33a 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -1430,8 +1430,6 @@ int r300_resume(struct radeon_device *rdev)
1430 /* Initialize surface registers */ 1430 /* Initialize surface registers */
1431 radeon_surface_init(rdev); 1431 radeon_surface_init(rdev);
1432 1432
1433 radeon_pm_resume(rdev);
1434
1435 rdev->accel_working = true; 1433 rdev->accel_working = true;
1436 r = r300_startup(rdev); 1434 r = r300_startup(rdev);
1437 if (r) { 1435 if (r) {
diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c
index 3768aab2710b..802b19220a21 100644
--- a/drivers/gpu/drm/radeon/r420.c
+++ b/drivers/gpu/drm/radeon/r420.c
@@ -325,8 +325,6 @@ int r420_resume(struct radeon_device *rdev)
325 /* Initialize surface registers */ 325 /* Initialize surface registers */
326 radeon_surface_init(rdev); 326 radeon_surface_init(rdev);
327 327
328 radeon_pm_resume(rdev);
329
330 rdev->accel_working = true; 328 rdev->accel_working = true;
331 r = r420_startup(rdev); 329 r = r420_startup(rdev);
332 if (r) { 330 if (r) {
diff --git a/drivers/gpu/drm/radeon/r520.c b/drivers/gpu/drm/radeon/r520.c
index e209eb75024f..98d6053c36c6 100644
--- a/drivers/gpu/drm/radeon/r520.c
+++ b/drivers/gpu/drm/radeon/r520.c
@@ -240,8 +240,6 @@ int r520_resume(struct radeon_device *rdev)
240 /* Initialize surface registers */ 240 /* Initialize surface registers */
241 radeon_surface_init(rdev); 241 radeon_surface_init(rdev);
242 242
243 radeon_pm_resume(rdev);
244
245 rdev->accel_working = true; 243 rdev->accel_working = true;
246 r = r520_startup(rdev); 244 r = r520_startup(rdev);
247 if (r) { 245 if (r) {
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index cdbc4171fe73..647ef4079217 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2968,7 +2968,8 @@ int r600_resume(struct radeon_device *rdev)
2968 /* post card */ 2968 /* post card */
2969 atom_asic_init(rdev->mode_info.atom_context); 2969 atom_asic_init(rdev->mode_info.atom_context);
2970 2970
2971 radeon_pm_resume(rdev); 2971 if (rdev->pm.pm_method == PM_METHOD_DPM)
2972 radeon_pm_resume(rdev);
2972 2973
2973 rdev->accel_working = true; 2974 rdev->accel_working = true;
2974 r = r600_startup(rdev); 2975 r = r600_startup(rdev);
diff --git a/drivers/gpu/drm/radeon/r600_audio.c b/drivers/gpu/drm/radeon/r600_audio.c
index 47fc2b886979..bffac10c4296 100644
--- a/drivers/gpu/drm/radeon/r600_audio.c
+++ b/drivers/gpu/drm/radeon/r600_audio.c
@@ -142,12 +142,15 @@ void r600_audio_update_hdmi(struct work_struct *work)
142} 142}
143 143
144/* enable the audio stream */ 144/* enable the audio stream */
145static void r600_audio_enable(struct radeon_device *rdev, 145void r600_audio_enable(struct radeon_device *rdev,
146 struct r600_audio_pin *pin, 146 struct r600_audio_pin *pin,
147 bool enable) 147 bool enable)
148{ 148{
149 u32 value = 0; 149 u32 value = 0;
150 150
151 if (!pin)
152 return;
153
151 if (ASIC_IS_DCE4(rdev)) { 154 if (ASIC_IS_DCE4(rdev)) {
152 if (enable) { 155 if (enable) {
153 value |= 0x81000000; /* Required to enable audio */ 156 value |= 0x81000000; /* Required to enable audio */
@@ -158,7 +161,6 @@ static void r600_audio_enable(struct radeon_device *rdev,
158 WREG32_P(R600_AUDIO_ENABLE, 161 WREG32_P(R600_AUDIO_ENABLE,
159 enable ? 0x81000000 : 0x0, ~0x81000000); 162 enable ? 0x81000000 : 0x0, ~0x81000000);
160 } 163 }
161 DRM_INFO("%s audio %d support\n", enable ? "Enabling" : "Disabling", pin->id);
162} 164}
163 165
164/* 166/*
@@ -178,8 +180,8 @@ int r600_audio_init(struct radeon_device *rdev)
178 rdev->audio.pin[0].status_bits = 0; 180 rdev->audio.pin[0].status_bits = 0;
179 rdev->audio.pin[0].category_code = 0; 181 rdev->audio.pin[0].category_code = 0;
180 rdev->audio.pin[0].id = 0; 182 rdev->audio.pin[0].id = 0;
181 183 /* disable audio. it will be set up later */
182 r600_audio_enable(rdev, &rdev->audio.pin[0], true); 184 r600_audio_enable(rdev, &rdev->audio.pin[0], false);
183 185
184 return 0; 186 return 0;
185} 187}
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index 3016fc14f502..85a2bb28aed2 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -329,9 +329,6 @@ static void dce3_2_afmt_write_speaker_allocation(struct drm_encoder *encoder)
329 u8 *sadb; 329 u8 *sadb;
330 int sad_count; 330 int sad_count;
331 331
332 /* XXX: setting this register causes hangs on some asics */
333 return;
334
335 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { 332 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
336 if (connector->encoder == encoder) { 333 if (connector->encoder == encoder) {
337 radeon_connector = to_radeon_connector(connector); 334 radeon_connector = to_radeon_connector(connector);
@@ -460,6 +457,10 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod
460 return; 457 return;
461 offset = dig->afmt->offset; 458 offset = dig->afmt->offset;
462 459
460 /* disable audio prior to setting up hw */
461 dig->afmt->pin = r600_audio_get_pin(rdev);
462 r600_audio_enable(rdev, dig->afmt->pin, false);
463
463 r600_audio_set_dto(encoder, mode->clock); 464 r600_audio_set_dto(encoder, mode->clock);
464 465
465 WREG32(HDMI0_VBI_PACKET_CONTROL + offset, 466 WREG32(HDMI0_VBI_PACKET_CONTROL + offset,
@@ -531,6 +532,9 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod
531 WREG32(HDMI0_RAMP_CONTROL3 + offset, 0x00000001); 532 WREG32(HDMI0_RAMP_CONTROL3 + offset, 0x00000001);
532 533
533 r600_hdmi_audio_workaround(encoder); 534 r600_hdmi_audio_workaround(encoder);
535
536 /* enable audio after to setting up hw */
537 r600_audio_enable(rdev, dig->afmt->pin, true);
534} 538}
535 539
536/* 540/*
@@ -651,11 +655,6 @@ void r600_hdmi_enable(struct drm_encoder *encoder, bool enable)
651 if (!enable && !dig->afmt->enabled) 655 if (!enable && !dig->afmt->enabled)
652 return; 656 return;
653 657
654 if (enable)
655 dig->afmt->pin = r600_audio_get_pin(rdev);
656 else
657 dig->afmt->pin = NULL;
658
659 /* Older chipsets require setting HDMI and routing manually */ 658 /* Older chipsets require setting HDMI and routing manually */
660 if (!ASIC_IS_DCE3(rdev)) { 659 if (!ASIC_IS_DCE3(rdev)) {
661 if (enable) 660 if (enable)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 024db37b1832..e887d027b6d0 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -2747,6 +2747,12 @@ int radeon_vm_bo_rmv(struct radeon_device *rdev,
2747void r600_audio_update_hdmi(struct work_struct *work); 2747void r600_audio_update_hdmi(struct work_struct *work);
2748struct r600_audio_pin *r600_audio_get_pin(struct radeon_device *rdev); 2748struct r600_audio_pin *r600_audio_get_pin(struct radeon_device *rdev);
2749struct r600_audio_pin *dce6_audio_get_pin(struct radeon_device *rdev); 2749struct r600_audio_pin *dce6_audio_get_pin(struct radeon_device *rdev);
2750void r600_audio_enable(struct radeon_device *rdev,
2751 struct r600_audio_pin *pin,
2752 bool enable);
2753void dce6_audio_enable(struct radeon_device *rdev,
2754 struct r600_audio_pin *pin,
2755 bool enable);
2750 2756
2751/* 2757/*
2752 * R600 vram scratch functions 2758 * R600 vram scratch functions
diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
index 485848f889f5..fa9a9c02751e 100644
--- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -219,7 +219,8 @@ static int radeon_atpx_verify_interface(struct radeon_atpx *atpx)
219 memcpy(&output, info->buffer.pointer, size); 219 memcpy(&output, info->buffer.pointer, size);
220 220
221 /* TODO: check version? */ 221 /* TODO: check version? */
222 printk("ATPX version %u\n", output.version); 222 printk("ATPX version %u, functions 0x%08x\n",
223 output.version, output.function_bits);
223 224
224 radeon_atpx_parse_functions(&atpx->functions, output.function_bits); 225 radeon_atpx_parse_functions(&atpx->functions, output.function_bits);
225 226
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index b012cbbc3ed5..044bc98fb459 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1521,13 +1521,16 @@ int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon)
1521 if (r) 1521 if (r)
1522 DRM_ERROR("ib ring test failed (%d).\n", r); 1522 DRM_ERROR("ib ring test failed (%d).\n", r);
1523 1523
1524 if (rdev->pm.dpm_enabled) { 1524 if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
1525 /* do dpm late init */ 1525 /* do dpm late init */
1526 r = radeon_pm_late_init(rdev); 1526 r = radeon_pm_late_init(rdev);
1527 if (r) { 1527 if (r) {
1528 rdev->pm.dpm_enabled = false; 1528 rdev->pm.dpm_enabled = false;
1529 DRM_ERROR("radeon_pm_late_init failed, disabling dpm\n"); 1529 DRM_ERROR("radeon_pm_late_init failed, disabling dpm\n");
1530 } 1530 }
1531 } else {
1532 /* resume old pm late */
1533 radeon_pm_resume(rdev);
1531 } 1534 }
1532 1535
1533 radeon_restore_bios_scratch_regs(rdev); 1536 radeon_restore_bios_scratch_regs(rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 114d1672d616..2aecd6dc2610 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -537,6 +537,10 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
537 537
538 radeon_vm_init(rdev, &fpriv->vm); 538 radeon_vm_init(rdev, &fpriv->vm);
539 539
540 r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
541 if (r)
542 return r;
543
540 /* map the ib pool buffer read only into 544 /* map the ib pool buffer read only into
541 * virtual address space */ 545 * virtual address space */
542 bo_va = radeon_vm_bo_add(rdev, &fpriv->vm, 546 bo_va = radeon_vm_bo_add(rdev, &fpriv->vm,
@@ -544,6 +548,8 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
544 r = radeon_vm_bo_set_addr(rdev, bo_va, RADEON_VA_IB_OFFSET, 548 r = radeon_vm_bo_set_addr(rdev, bo_va, RADEON_VA_IB_OFFSET,
545 RADEON_VM_PAGE_READABLE | 549 RADEON_VM_PAGE_READABLE |
546 RADEON_VM_PAGE_SNOOPED); 550 RADEON_VM_PAGE_SNOOPED);
551
552 radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
547 if (r) { 553 if (r) {
548 radeon_vm_fini(rdev, &fpriv->vm); 554 radeon_vm_fini(rdev, &fpriv->vm);
549 kfree(fpriv); 555 kfree(fpriv);
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 77f5b0c3edb8..040a2a10ea17 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -714,6 +714,9 @@ int radeon_ttm_init(struct radeon_device *rdev)
714 DRM_ERROR("Failed initializing VRAM heap.\n"); 714 DRM_ERROR("Failed initializing VRAM heap.\n");
715 return r; 715 return r;
716 } 716 }
717 /* Change the size here instead of the init above so only lpfn is affected */
718 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
719
717 r = radeon_bo_create(rdev, 256 * 1024, PAGE_SIZE, true, 720 r = radeon_bo_create(rdev, 256 * 1024, PAGE_SIZE, true,
718 RADEON_GEM_DOMAIN_VRAM, 721 RADEON_GEM_DOMAIN_VRAM,
719 NULL, &rdev->stollen_vga_memory); 722 NULL, &rdev->stollen_vga_memory);
@@ -935,7 +938,7 @@ static ssize_t radeon_ttm_gtt_read(struct file *f, char __user *buf,
935 while (size) { 938 while (size) {
936 loff_t p = *pos / PAGE_SIZE; 939 loff_t p = *pos / PAGE_SIZE;
937 unsigned off = *pos & ~PAGE_MASK; 940 unsigned off = *pos & ~PAGE_MASK;
938 ssize_t cur_size = min(size, PAGE_SIZE - off); 941 size_t cur_size = min_t(size_t, size, PAGE_SIZE - off);
939 struct page *page; 942 struct page *page;
940 void *ptr; 943 void *ptr;
941 944
diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index 6781fee1eaad..3e6804b2b2ef 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -171,6 +171,8 @@ void radeon_uvd_fini(struct radeon_device *rdev)
171 171
172 radeon_bo_unref(&rdev->uvd.vcpu_bo); 172 radeon_bo_unref(&rdev->uvd.vcpu_bo);
173 173
174 radeon_ring_fini(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX]);
175
174 release_firmware(rdev->uvd_fw); 176 release_firmware(rdev->uvd_fw);
175} 177}
176 178
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index b5c2369cda2f..130d5cc50d43 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -474,8 +474,6 @@ int rs400_resume(struct radeon_device *rdev)
474 /* Initialize surface registers */ 474 /* Initialize surface registers */
475 radeon_surface_init(rdev); 475 radeon_surface_init(rdev);
476 476
477 radeon_pm_resume(rdev);
478
479 rdev->accel_working = true; 477 rdev->accel_working = true;
480 r = rs400_startup(rdev); 478 r = rs400_startup(rdev);
481 if (r) { 479 if (r) {
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index fdcde7693032..72d3616de08e 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -1048,8 +1048,6 @@ int rs600_resume(struct radeon_device *rdev)
1048 /* Initialize surface registers */ 1048 /* Initialize surface registers */
1049 radeon_surface_init(rdev); 1049 radeon_surface_init(rdev);
1050 1050
1051 radeon_pm_resume(rdev);
1052
1053 rdev->accel_working = true; 1051 rdev->accel_working = true;
1054 r = rs600_startup(rdev); 1052 r = rs600_startup(rdev);
1055 if (r) { 1053 if (r) {
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index 35950738bd5e..3462b64369bf 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -756,8 +756,6 @@ int rs690_resume(struct radeon_device *rdev)
756 /* Initialize surface registers */ 756 /* Initialize surface registers */
757 radeon_surface_init(rdev); 757 radeon_surface_init(rdev);
758 758
759 radeon_pm_resume(rdev);
760
761 rdev->accel_working = true; 759 rdev->accel_working = true;
762 r = rs690_startup(rdev); 760 r = rs690_startup(rdev);
763 if (r) { 761 if (r) {
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index 98e8138ff779..237dd29d9f1c 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -586,8 +586,6 @@ int rv515_resume(struct radeon_device *rdev)
586 /* Initialize surface registers */ 586 /* Initialize surface registers */
587 radeon_surface_init(rdev); 587 radeon_surface_init(rdev);
588 588
589 radeon_pm_resume(rdev);
590
591 rdev->accel_working = true; 589 rdev->accel_working = true;
592 r = rv515_startup(rdev); 590 r = rv515_startup(rdev);
593 if (r) { 591 if (r) {
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 6c772e58c784..fef310773aad 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -1811,7 +1811,8 @@ int rv770_resume(struct radeon_device *rdev)
1811 /* init golden registers */ 1811 /* init golden registers */
1812 rv770_init_golden_registers(rdev); 1812 rv770_init_golden_registers(rdev);
1813 1813
1814 radeon_pm_resume(rdev); 1814 if (rdev->pm.pm_method == PM_METHOD_DPM)
1815 radeon_pm_resume(rdev);
1815 1816
1816 rdev->accel_working = true; 1817 rdev->accel_working = true;
1817 r = rv770_startup(rdev); 1818 r = rv770_startup(rdev);
@@ -1955,9 +1956,9 @@ void rv770_fini(struct radeon_device *rdev)
1955 radeon_wb_fini(rdev); 1956 radeon_wb_fini(rdev);
1956 radeon_ib_pool_fini(rdev); 1957 radeon_ib_pool_fini(rdev);
1957 radeon_irq_kms_fini(rdev); 1958 radeon_irq_kms_fini(rdev);
1958 rv770_pcie_gart_fini(rdev);
1959 uvd_v1_0_fini(rdev); 1959 uvd_v1_0_fini(rdev);
1960 radeon_uvd_fini(rdev); 1960 radeon_uvd_fini(rdev);
1961 rv770_pcie_gart_fini(rdev);
1961 r600_vram_scratch_fini(rdev); 1962 r600_vram_scratch_fini(rdev);
1962 radeon_gem_fini(rdev); 1963 radeon_gem_fini(rdev);
1963 radeon_fence_driver_fini(rdev); 1964 radeon_fence_driver_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 83578324e5d1..9a124d0608b3 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -6618,7 +6618,8 @@ int si_resume(struct radeon_device *rdev)
6618 /* init golden registers */ 6618 /* init golden registers */
6619 si_init_golden_registers(rdev); 6619 si_init_golden_registers(rdev);
6620 6620
6621 radeon_pm_resume(rdev); 6621 if (rdev->pm.pm_method == PM_METHOD_DPM)
6622 radeon_pm_resume(rdev);
6622 6623
6623 rdev->accel_working = true; 6624 rdev->accel_working = true;
6624 r = si_startup(rdev); 6625 r = si_startup(rdev);
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index 88a529008ce0..c71594754f46 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -104,7 +104,7 @@ static void tegra_drm_context_free(struct tegra_drm_context *context)
104 104
105static void tegra_drm_lastclose(struct drm_device *drm) 105static void tegra_drm_lastclose(struct drm_device *drm)
106{ 106{
107#ifdef CONFIG_TEGRA_DRM_FBDEV 107#ifdef CONFIG_DRM_TEGRA_FBDEV
108 struct tegra_drm *tegra = drm->dev_private; 108 struct tegra_drm *tegra = drm->dev_private;
109 109
110 tegra_fbdev_restore_mode(tegra->fbdev); 110 tegra_fbdev_restore_mode(tegra->fbdev);
diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c
index 338f7f6561d7..0266fb40479e 100644
--- a/drivers/gpu/drm/tegra/rgb.c
+++ b/drivers/gpu/drm/tegra/rgb.c
@@ -15,6 +15,7 @@
15struct tegra_rgb { 15struct tegra_rgb {
16 struct tegra_output output; 16 struct tegra_output output;
17 struct tegra_dc *dc; 17 struct tegra_dc *dc;
18 bool enabled;
18 19
19 struct clk *clk_parent; 20 struct clk *clk_parent;
20 struct clk *clk; 21 struct clk *clk;
@@ -89,6 +90,9 @@ static int tegra_output_rgb_enable(struct tegra_output *output)
89 struct tegra_rgb *rgb = to_rgb(output); 90 struct tegra_rgb *rgb = to_rgb(output);
90 unsigned long value; 91 unsigned long value;
91 92
93 if (rgb->enabled)
94 return 0;
95
92 tegra_dc_write_regs(rgb->dc, rgb_enable, ARRAY_SIZE(rgb_enable)); 96 tegra_dc_write_regs(rgb->dc, rgb_enable, ARRAY_SIZE(rgb_enable));
93 97
94 value = DE_SELECT_ACTIVE | DE_CONTROL_NORMAL; 98 value = DE_SELECT_ACTIVE | DE_CONTROL_NORMAL;
@@ -122,6 +126,8 @@ static int tegra_output_rgb_enable(struct tegra_output *output)
122 tegra_dc_writel(rgb->dc, GENERAL_ACT_REQ << 8, DC_CMD_STATE_CONTROL); 126 tegra_dc_writel(rgb->dc, GENERAL_ACT_REQ << 8, DC_CMD_STATE_CONTROL);
123 tegra_dc_writel(rgb->dc, GENERAL_ACT_REQ, DC_CMD_STATE_CONTROL); 127 tegra_dc_writel(rgb->dc, GENERAL_ACT_REQ, DC_CMD_STATE_CONTROL);
124 128
129 rgb->enabled = true;
130
125 return 0; 131 return 0;
126} 132}
127 133
@@ -130,6 +136,9 @@ static int tegra_output_rgb_disable(struct tegra_output *output)
130 struct tegra_rgb *rgb = to_rgb(output); 136 struct tegra_rgb *rgb = to_rgb(output);
131 unsigned long value; 137 unsigned long value;
132 138
139 if (!rgb->enabled)
140 return 0;
141
133 value = tegra_dc_readl(rgb->dc, DC_CMD_DISPLAY_POWER_CONTROL); 142 value = tegra_dc_readl(rgb->dc, DC_CMD_DISPLAY_POWER_CONTROL);
134 value &= ~(PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | PW3_ENABLE | 143 value &= ~(PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | PW3_ENABLE |
135 PW4_ENABLE | PM0_ENABLE | PM1_ENABLE); 144 PW4_ENABLE | PM0_ENABLE | PM1_ENABLE);
@@ -144,6 +153,8 @@ static int tegra_output_rgb_disable(struct tegra_output *output)
144 153
145 tegra_dc_write_regs(rgb->dc, rgb_disable, ARRAY_SIZE(rgb_disable)); 154 tegra_dc_write_regs(rgb->dc, rgb_disable, ARRAY_SIZE(rgb_disable));
146 155
156 rgb->enabled = false;
157
147 return 0; 158 return 0;
148} 159}
149 160
diff --git a/drivers/gpu/drm/vmwgfx/svga3d_reg.h b/drivers/gpu/drm/vmwgfx/svga3d_reg.h
index bb594c11605e..f58dc7dd15c5 100644
--- a/drivers/gpu/drm/vmwgfx/svga3d_reg.h
+++ b/drivers/gpu/drm/vmwgfx/svga3d_reg.h
@@ -261,12 +261,7 @@ typedef enum SVGA3dSurfaceFormat {
261 /* Planar video formats. */ 261 /* Planar video formats. */
262 SVGA3D_YV12 = 121, 262 SVGA3D_YV12 = 121,
263 263
264 /* Shader constant formats. */ 264 SVGA3D_FORMAT_MAX = 122,
265 SVGA3D_SURFACE_SHADERCONST_FLOAT = 122,
266 SVGA3D_SURFACE_SHADERCONST_INT = 123,
267 SVGA3D_SURFACE_SHADERCONST_BOOL = 124,
268
269 SVGA3D_FORMAT_MAX = 125,
270} SVGA3dSurfaceFormat; 265} SVGA3dSurfaceFormat;
271 266
272typedef uint32 SVGA3dColor; /* a, r, g, b */ 267typedef uint32 SVGA3dColor; /* a, r, g, b */
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 9e4be1725985..07831554dad7 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -40,7 +40,7 @@
40#include <drm/ttm/ttm_module.h> 40#include <drm/ttm/ttm_module.h>
41#include "vmwgfx_fence.h" 41#include "vmwgfx_fence.h"
42 42
43#define VMWGFX_DRIVER_DATE "20121114" 43#define VMWGFX_DRIVER_DATE "20140228"
44#define VMWGFX_DRIVER_MAJOR 2 44#define VMWGFX_DRIVER_MAJOR 2
45#define VMWGFX_DRIVER_MINOR 5 45#define VMWGFX_DRIVER_MINOR 5
46#define VMWGFX_DRIVER_PATCHLEVEL 0 46#define VMWGFX_DRIVER_PATCHLEVEL 0
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
index d4a5a19cb8c3..04a64b8cd3cd 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
@@ -188,18 +188,20 @@ static void vmw_takedown_otable_base(struct vmw_private *dev_priv,
188 188
189 bo = otable->page_table->pt_bo; 189 bo = otable->page_table->pt_bo;
190 cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); 190 cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
191 if (unlikely(cmd == NULL)) 191 if (unlikely(cmd == NULL)) {
192 DRM_ERROR("Failed reserving FIFO space for OTable setup.\n"); 192 DRM_ERROR("Failed reserving FIFO space for OTable "
193 193 "takedown.\n");
194 memset(cmd, 0, sizeof(*cmd)); 194 } else {
195 cmd->header.id = SVGA_3D_CMD_SET_OTABLE_BASE; 195 memset(cmd, 0, sizeof(*cmd));
196 cmd->header.size = sizeof(cmd->body); 196 cmd->header.id = SVGA_3D_CMD_SET_OTABLE_BASE;
197 cmd->body.type = type; 197 cmd->header.size = sizeof(cmd->body);
198 cmd->body.baseAddress = 0; 198 cmd->body.type = type;
199 cmd->body.sizeInBytes = 0; 199 cmd->body.baseAddress = 0;
200 cmd->body.validSizeInBytes = 0; 200 cmd->body.sizeInBytes = 0;
201 cmd->body.ptDepth = SVGA3D_MOBFMT_INVALID; 201 cmd->body.validSizeInBytes = 0;
202 vmw_fifo_commit(dev_priv, sizeof(*cmd)); 202 cmd->body.ptDepth = SVGA3D_MOBFMT_INVALID;
203 vmw_fifo_commit(dev_priv, sizeof(*cmd));
204 }
203 205
204 if (bo) { 206 if (bo) {
205 int ret; 207 int ret;
@@ -562,11 +564,12 @@ void vmw_mob_unbind(struct vmw_private *dev_priv,
562 if (unlikely(cmd == NULL)) { 564 if (unlikely(cmd == NULL)) {
563 DRM_ERROR("Failed reserving FIFO space for Memory " 565 DRM_ERROR("Failed reserving FIFO space for Memory "
564 "Object unbinding.\n"); 566 "Object unbinding.\n");
567 } else {
568 cmd->header.id = SVGA_3D_CMD_DESTROY_GB_MOB;
569 cmd->header.size = sizeof(cmd->body);
570 cmd->body.mobid = mob->id;
571 vmw_fifo_commit(dev_priv, sizeof(*cmd));
565 } 572 }
566 cmd->header.id = SVGA_3D_CMD_DESTROY_GB_MOB;
567 cmd->header.size = sizeof(cmd->body);
568 cmd->body.mobid = mob->id;
569 vmw_fifo_commit(dev_priv, sizeof(*cmd));
570 if (bo) { 573 if (bo) {
571 vmw_fence_single_bo(bo, NULL); 574 vmw_fence_single_bo(bo, NULL);
572 ttm_bo_unreserve(bo); 575 ttm_bo_unreserve(bo);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 2aa4bc6a4d60..9757b57f8388 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -427,8 +427,7 @@ int vmw_dmabuf_init(struct vmw_private *dev_priv,
427 INIT_LIST_HEAD(&vmw_bo->res_list); 427 INIT_LIST_HEAD(&vmw_bo->res_list);
428 428
429 ret = ttm_bo_init(bdev, &vmw_bo->base, size, 429 ret = ttm_bo_init(bdev, &vmw_bo->base, size,
430 (user) ? ttm_bo_type_device : 430 ttm_bo_type_device, placement,
431 ttm_bo_type_kernel, placement,
432 0, interruptible, 431 0, interruptible,
433 NULL, acc_size, NULL, bo_free); 432 NULL, acc_size, NULL, bo_free);
434 return ret; 433 return ret;
diff --git a/drivers/gpu/host1x/job.c b/drivers/gpu/host1x/job.c
index 1146e3bba6e1..112f27e51bc7 100644
--- a/drivers/gpu/host1x/job.c
+++ b/drivers/gpu/host1x/job.c
@@ -538,7 +538,7 @@ int host1x_job_pin(struct host1x_job *job, struct device *dev)
538 538
539 g->base = job->gather_addr_phys[i]; 539 g->base = job->gather_addr_phys[i];
540 540
541 for (j = 0; j < job->num_gathers; j++) 541 for (j = i + 1; j < job->num_gathers; j++)
542 if (job->gathers[j].bo == g->bo) 542 if (job->gathers[j].bo == g->bo)
543 job->gathers[j].handled = true; 543 job->gathers[j].handled = true;
544 544
diff --git a/drivers/iio/gyro/Kconfig b/drivers/iio/gyro/Kconfig
index 41c64a43bcab..ac2d69e34c8c 100644
--- a/drivers/iio/gyro/Kconfig
+++ b/drivers/iio/gyro/Kconfig
@@ -70,7 +70,7 @@ config IIO_ST_GYRO_3AXIS
70 select IIO_TRIGGERED_BUFFER if (IIO_BUFFER) 70 select IIO_TRIGGERED_BUFFER if (IIO_BUFFER)
71 help 71 help
72 Say yes here to build support for STMicroelectronics gyroscopes: 72 Say yes here to build support for STMicroelectronics gyroscopes:
73 L3G4200D, LSM330DL, L3GD20, L3GD20H, LSM330DLC, L3G4IS, LSM330. 73 L3G4200D, LSM330DL, L3GD20, LSM330DLC, L3G4IS, LSM330.
74 74
75 This driver can also be built as a module. If so, these modules 75 This driver can also be built as a module. If so, these modules
76 will be created: 76 will be created:
diff --git a/drivers/iio/gyro/st_gyro.h b/drivers/iio/gyro/st_gyro.h
index f8f2bf84a5a2..c197360c450b 100644
--- a/drivers/iio/gyro/st_gyro.h
+++ b/drivers/iio/gyro/st_gyro.h
@@ -19,7 +19,6 @@
19#define LSM330DL_GYRO_DEV_NAME "lsm330dl_gyro" 19#define LSM330DL_GYRO_DEV_NAME "lsm330dl_gyro"
20#define LSM330DLC_GYRO_DEV_NAME "lsm330dlc_gyro" 20#define LSM330DLC_GYRO_DEV_NAME "lsm330dlc_gyro"
21#define L3GD20_GYRO_DEV_NAME "l3gd20" 21#define L3GD20_GYRO_DEV_NAME "l3gd20"
22#define L3GD20H_GYRO_DEV_NAME "l3gd20h"
23#define L3G4IS_GYRO_DEV_NAME "l3g4is_ui" 22#define L3G4IS_GYRO_DEV_NAME "l3g4is_ui"
24#define LSM330_GYRO_DEV_NAME "lsm330_gyro" 23#define LSM330_GYRO_DEV_NAME "lsm330_gyro"
25 24
diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c
index d53d91adfb55..a8e174a47bc4 100644
--- a/drivers/iio/gyro/st_gyro_core.c
+++ b/drivers/iio/gyro/st_gyro_core.c
@@ -167,11 +167,10 @@ static const struct st_sensors st_gyro_sensors[] = {
167 .wai = ST_GYRO_2_WAI_EXP, 167 .wai = ST_GYRO_2_WAI_EXP,
168 .sensors_supported = { 168 .sensors_supported = {
169 [0] = L3GD20_GYRO_DEV_NAME, 169 [0] = L3GD20_GYRO_DEV_NAME,
170 [1] = L3GD20H_GYRO_DEV_NAME, 170 [1] = LSM330D_GYRO_DEV_NAME,
171 [2] = LSM330D_GYRO_DEV_NAME, 171 [2] = LSM330DLC_GYRO_DEV_NAME,
172 [3] = LSM330DLC_GYRO_DEV_NAME, 172 [3] = L3G4IS_GYRO_DEV_NAME,
173 [4] = L3G4IS_GYRO_DEV_NAME, 173 [4] = LSM330_GYRO_DEV_NAME,
174 [5] = LSM330_GYRO_DEV_NAME,
175 }, 174 },
176 .ch = (struct iio_chan_spec *)st_gyro_16bit_channels, 175 .ch = (struct iio_chan_spec *)st_gyro_16bit_channels,
177 .odr = { 176 .odr = {
diff --git a/drivers/iio/gyro/st_gyro_i2c.c b/drivers/iio/gyro/st_gyro_i2c.c
index 16b8b8d70bf1..23c12f361b05 100644
--- a/drivers/iio/gyro/st_gyro_i2c.c
+++ b/drivers/iio/gyro/st_gyro_i2c.c
@@ -55,7 +55,6 @@ static const struct i2c_device_id st_gyro_id_table[] = {
55 { LSM330DL_GYRO_DEV_NAME }, 55 { LSM330DL_GYRO_DEV_NAME },
56 { LSM330DLC_GYRO_DEV_NAME }, 56 { LSM330DLC_GYRO_DEV_NAME },
57 { L3GD20_GYRO_DEV_NAME }, 57 { L3GD20_GYRO_DEV_NAME },
58 { L3GD20H_GYRO_DEV_NAME },
59 { L3G4IS_GYRO_DEV_NAME }, 58 { L3G4IS_GYRO_DEV_NAME },
60 { LSM330_GYRO_DEV_NAME }, 59 { LSM330_GYRO_DEV_NAME },
61 {}, 60 {},
diff --git a/drivers/iio/gyro/st_gyro_spi.c b/drivers/iio/gyro/st_gyro_spi.c
index 94763e25caf9..b4ad3be26687 100644
--- a/drivers/iio/gyro/st_gyro_spi.c
+++ b/drivers/iio/gyro/st_gyro_spi.c
@@ -54,7 +54,6 @@ static const struct spi_device_id st_gyro_id_table[] = {
54 { LSM330DL_GYRO_DEV_NAME }, 54 { LSM330DL_GYRO_DEV_NAME },
55 { LSM330DLC_GYRO_DEV_NAME }, 55 { LSM330DLC_GYRO_DEV_NAME },
56 { L3GD20_GYRO_DEV_NAME }, 56 { L3GD20_GYRO_DEV_NAME },
57 { L3GD20H_GYRO_DEV_NAME },
58 { L3G4IS_GYRO_DEV_NAME }, 57 { L3G4IS_GYRO_DEV_NAME },
59 { LSM330_GYRO_DEV_NAME }, 58 { LSM330_GYRO_DEV_NAME },
60 {}, 59 {},
diff --git a/drivers/iio/light/cm32181.c b/drivers/iio/light/cm32181.c
index f17b4e6183c6..47a6dbac2d0c 100644
--- a/drivers/iio/light/cm32181.c
+++ b/drivers/iio/light/cm32181.c
@@ -103,13 +103,13 @@ static int cm32181_reg_init(struct cm32181_chip *cm32181)
103/** 103/**
104 * cm32181_read_als_it() - Get sensor integration time (ms) 104 * cm32181_read_als_it() - Get sensor integration time (ms)
105 * @cm32181: pointer of struct cm32181 105 * @cm32181: pointer of struct cm32181
106 * @val: pointer of int to load the als_it value. 106 * @val2: pointer of int to load the als_it value.
107 * 107 *
108 * Report the current integartion time by millisecond. 108 * Report the current integartion time by millisecond.
109 * 109 *
110 * Return: IIO_VAL_INT for success, otherwise -EINVAL. 110 * Return: IIO_VAL_INT_PLUS_MICRO for success, otherwise -EINVAL.
111 */ 111 */
112static int cm32181_read_als_it(struct cm32181_chip *cm32181, int *val) 112static int cm32181_read_als_it(struct cm32181_chip *cm32181, int *val2)
113{ 113{
114 u16 als_it; 114 u16 als_it;
115 int i; 115 int i;
@@ -119,8 +119,8 @@ static int cm32181_read_als_it(struct cm32181_chip *cm32181, int *val)
119 als_it >>= CM32181_CMD_ALS_IT_SHIFT; 119 als_it >>= CM32181_CMD_ALS_IT_SHIFT;
120 for (i = 0; i < ARRAY_SIZE(als_it_bits); i++) { 120 for (i = 0; i < ARRAY_SIZE(als_it_bits); i++) {
121 if (als_it == als_it_bits[i]) { 121 if (als_it == als_it_bits[i]) {
122 *val = als_it_value[i]; 122 *val2 = als_it_value[i];
123 return IIO_VAL_INT; 123 return IIO_VAL_INT_PLUS_MICRO;
124 } 124 }
125 } 125 }
126 126
@@ -221,7 +221,7 @@ static int cm32181_read_raw(struct iio_dev *indio_dev,
221 *val = cm32181->calibscale; 221 *val = cm32181->calibscale;
222 return IIO_VAL_INT; 222 return IIO_VAL_INT;
223 case IIO_CHAN_INFO_INT_TIME: 223 case IIO_CHAN_INFO_INT_TIME:
224 ret = cm32181_read_als_it(cm32181, val); 224 ret = cm32181_read_als_it(cm32181, val2);
225 return ret; 225 return ret;
226 } 226 }
227 227
@@ -240,7 +240,7 @@ static int cm32181_write_raw(struct iio_dev *indio_dev,
240 cm32181->calibscale = val; 240 cm32181->calibscale = val;
241 return val; 241 return val;
242 case IIO_CHAN_INFO_INT_TIME: 242 case IIO_CHAN_INFO_INT_TIME:
243 ret = cm32181_write_als_it(cm32181, val); 243 ret = cm32181_write_als_it(cm32181, val2);
244 return ret; 244 return ret;
245 } 245 }
246 246
@@ -264,7 +264,7 @@ static ssize_t cm32181_get_it_available(struct device *dev,
264 264
265 n = ARRAY_SIZE(als_it_value); 265 n = ARRAY_SIZE(als_it_value);
266 for (i = 0, len = 0; i < n; i++) 266 for (i = 0, len = 0; i < n; i++)
267 len += sprintf(buf + len, "%d ", als_it_value[i]); 267 len += sprintf(buf + len, "0.%06u ", als_it_value[i]);
268 return len + sprintf(buf + len, "\n"); 268 return len + sprintf(buf + len, "\n");
269} 269}
270 270
diff --git a/drivers/iio/light/cm36651.c b/drivers/iio/light/cm36651.c
index 0a142af83e25..a45e07492db3 100644
--- a/drivers/iio/light/cm36651.c
+++ b/drivers/iio/light/cm36651.c
@@ -50,10 +50,10 @@
50#define CM36651_CS_CONF2_DEFAULT_BIT 0x08 50#define CM36651_CS_CONF2_DEFAULT_BIT 0x08
51 51
52/* CS_CONF3 channel integration time */ 52/* CS_CONF3 channel integration time */
53#define CM36651_CS_IT1 0x00 /* Integration time 80000 usec */ 53#define CM36651_CS_IT1 0x00 /* Integration time 80 msec */
54#define CM36651_CS_IT2 0x40 /* Integration time 160000 usec */ 54#define CM36651_CS_IT2 0x40 /* Integration time 160 msec */
55#define CM36651_CS_IT3 0x80 /* Integration time 320000 usec */ 55#define CM36651_CS_IT3 0x80 /* Integration time 320 msec */
56#define CM36651_CS_IT4 0xC0 /* Integration time 640000 usec */ 56#define CM36651_CS_IT4 0xC0 /* Integration time 640 msec */
57 57
58/* PS_CONF1 command code */ 58/* PS_CONF1 command code */
59#define CM36651_PS_ENABLE 0x00 59#define CM36651_PS_ENABLE 0x00
@@ -64,10 +64,10 @@
64#define CM36651_PS_PERS4 0x0C 64#define CM36651_PS_PERS4 0x0C
65 65
66/* PS_CONF1 command code: integration time */ 66/* PS_CONF1 command code: integration time */
67#define CM36651_PS_IT1 0x00 /* Integration time 320 usec */ 67#define CM36651_PS_IT1 0x00 /* Integration time 0.32 msec */
68#define CM36651_PS_IT2 0x10 /* Integration time 420 usec */ 68#define CM36651_PS_IT2 0x10 /* Integration time 0.42 msec */
69#define CM36651_PS_IT3 0x20 /* Integration time 520 usec */ 69#define CM36651_PS_IT3 0x20 /* Integration time 0.52 msec */
70#define CM36651_PS_IT4 0x30 /* Integration time 640 usec */ 70#define CM36651_PS_IT4 0x30 /* Integration time 0.64 msec */
71 71
72/* PS_CONF1 command code: duty ratio */ 72/* PS_CONF1 command code: duty ratio */
73#define CM36651_PS_DR1 0x00 /* Duty ratio 1/80 */ 73#define CM36651_PS_DR1 0x00 /* Duty ratio 1/80 */
@@ -93,8 +93,8 @@
93#define CM36651_CLOSE_PROXIMITY 0x32 93#define CM36651_CLOSE_PROXIMITY 0x32
94#define CM36651_FAR_PROXIMITY 0x33 94#define CM36651_FAR_PROXIMITY 0x33
95 95
96#define CM36651_CS_INT_TIME_AVAIL "80000 160000 320000 640000" 96#define CM36651_CS_INT_TIME_AVAIL "0.08 0.16 0.32 0.64"
97#define CM36651_PS_INT_TIME_AVAIL "320 420 520 640" 97#define CM36651_PS_INT_TIME_AVAIL "0.000320 0.000420 0.000520 0.000640"
98 98
99enum cm36651_operation_mode { 99enum cm36651_operation_mode {
100 CM36651_LIGHT_EN, 100 CM36651_LIGHT_EN,
@@ -356,30 +356,30 @@ static int cm36651_read_channel(struct cm36651_data *cm36651,
356} 356}
357 357
358static int cm36651_read_int_time(struct cm36651_data *cm36651, 358static int cm36651_read_int_time(struct cm36651_data *cm36651,
359 struct iio_chan_spec const *chan, int *val) 359 struct iio_chan_spec const *chan, int *val2)
360{ 360{
361 switch (chan->type) { 361 switch (chan->type) {
362 case IIO_LIGHT: 362 case IIO_LIGHT:
363 if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT1) 363 if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT1)
364 *val = 80000; 364 *val2 = 80000;
365 else if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT2) 365 else if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT2)
366 *val = 160000; 366 *val2 = 160000;
367 else if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT3) 367 else if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT3)
368 *val = 320000; 368 *val2 = 320000;
369 else if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT4) 369 else if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT4)
370 *val = 640000; 370 *val2 = 640000;
371 else 371 else
372 return -EINVAL; 372 return -EINVAL;
373 break; 373 break;
374 case IIO_PROXIMITY: 374 case IIO_PROXIMITY:
375 if (cm36651->ps_int_time == CM36651_PS_IT1) 375 if (cm36651->ps_int_time == CM36651_PS_IT1)
376 *val = 320; 376 *val2 = 320;
377 else if (cm36651->ps_int_time == CM36651_PS_IT2) 377 else if (cm36651->ps_int_time == CM36651_PS_IT2)
378 *val = 420; 378 *val2 = 420;
379 else if (cm36651->ps_int_time == CM36651_PS_IT3) 379 else if (cm36651->ps_int_time == CM36651_PS_IT3)
380 *val = 520; 380 *val2 = 520;
381 else if (cm36651->ps_int_time == CM36651_PS_IT4) 381 else if (cm36651->ps_int_time == CM36651_PS_IT4)
382 *val = 640; 382 *val2 = 640;
383 else 383 else
384 return -EINVAL; 384 return -EINVAL;
385 break; 385 break;
@@ -387,7 +387,7 @@ static int cm36651_read_int_time(struct cm36651_data *cm36651,
387 return -EINVAL; 387 return -EINVAL;
388 } 388 }
389 389
390 return IIO_VAL_INT; 390 return IIO_VAL_INT_PLUS_MICRO;
391} 391}
392 392
393static int cm36651_write_int_time(struct cm36651_data *cm36651, 393static int cm36651_write_int_time(struct cm36651_data *cm36651,
@@ -459,7 +459,8 @@ static int cm36651_read_raw(struct iio_dev *indio_dev,
459 ret = cm36651_read_channel(cm36651, chan, val); 459 ret = cm36651_read_channel(cm36651, chan, val);
460 break; 460 break;
461 case IIO_CHAN_INFO_INT_TIME: 461 case IIO_CHAN_INFO_INT_TIME:
462 ret = cm36651_read_int_time(cm36651, chan, val); 462 *val = 0;
463 ret = cm36651_read_int_time(cm36651, chan, val2);
463 break; 464 break;
464 default: 465 default:
465 ret = -EINVAL; 466 ret = -EINVAL;
@@ -479,7 +480,7 @@ static int cm36651_write_raw(struct iio_dev *indio_dev,
479 int ret = -EINVAL; 480 int ret = -EINVAL;
480 481
481 if (mask == IIO_CHAN_INFO_INT_TIME) { 482 if (mask == IIO_CHAN_INFO_INT_TIME) {
482 ret = cm36651_write_int_time(cm36651, chan, val); 483 ret = cm36651_write_int_time(cm36651, chan, val2);
483 if (ret < 0) 484 if (ret < 0)
484 dev_err(&client->dev, "Integration time write failed\n"); 485 dev_err(&client->dev, "Integration time write failed\n");
485 } 486 }
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index e81c5547e647..f9c12e92fdd6 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -53,8 +53,8 @@
53#include "user.h" 53#include "user.h"
54 54
55#define DRV_NAME MLX4_IB_DRV_NAME 55#define DRV_NAME MLX4_IB_DRV_NAME
56#define DRV_VERSION "1.0" 56#define DRV_VERSION "2.2-1"
57#define DRV_RELDATE "April 4, 2008" 57#define DRV_RELDATE "Feb 2014"
58 58
59#define MLX4_IB_FLOW_MAX_PRIO 0xFFF 59#define MLX4_IB_FLOW_MAX_PRIO 0xFFF
60#define MLX4_IB_FLOW_QPN_MASK 0xFFFFFF 60#define MLX4_IB_FLOW_QPN_MASK 0xFFFFFF
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index aa03e732b6a8..bf900579ac08 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -46,8 +46,8 @@
46#include "mlx5_ib.h" 46#include "mlx5_ib.h"
47 47
48#define DRIVER_NAME "mlx5_ib" 48#define DRIVER_NAME "mlx5_ib"
49#define DRIVER_VERSION "1.0" 49#define DRIVER_VERSION "2.2-1"
50#define DRIVER_RELDATE "June 2013" 50#define DRIVER_RELDATE "Feb 2014"
51 51
52MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>"); 52MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>");
53MODULE_DESCRIPTION("Mellanox Connect-IB HCA IB driver"); 53MODULE_DESCRIPTION("Mellanox Connect-IB HCA IB driver");
diff --git a/drivers/input/misc/arizona-haptics.c b/drivers/input/misc/arizona-haptics.c
index 7a04f54ef961..ef2e281b0a43 100644
--- a/drivers/input/misc/arizona-haptics.c
+++ b/drivers/input/misc/arizona-haptics.c
@@ -37,7 +37,6 @@ static void arizona_haptics_work(struct work_struct *work)
37 struct arizona_haptics, 37 struct arizona_haptics,
38 work); 38 work);
39 struct arizona *arizona = haptics->arizona; 39 struct arizona *arizona = haptics->arizona;
40 struct mutex *dapm_mutex = &arizona->dapm->card->dapm_mutex;
41 int ret; 40 int ret;
42 41
43 if (!haptics->arizona->dapm) { 42 if (!haptics->arizona->dapm) {
@@ -67,13 +66,10 @@ static void arizona_haptics_work(struct work_struct *work)
67 return; 66 return;
68 } 67 }
69 68
70 mutex_lock_nested(dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
71
72 ret = snd_soc_dapm_enable_pin(arizona->dapm, "HAPTICS"); 69 ret = snd_soc_dapm_enable_pin(arizona->dapm, "HAPTICS");
73 if (ret != 0) { 70 if (ret != 0) {
74 dev_err(arizona->dev, "Failed to start HAPTICS: %d\n", 71 dev_err(arizona->dev, "Failed to start HAPTICS: %d\n",
75 ret); 72 ret);
76 mutex_unlock(dapm_mutex);
77 return; 73 return;
78 } 74 }
79 75
@@ -81,21 +77,14 @@ static void arizona_haptics_work(struct work_struct *work)
81 if (ret != 0) { 77 if (ret != 0) {
82 dev_err(arizona->dev, "Failed to sync DAPM: %d\n", 78 dev_err(arizona->dev, "Failed to sync DAPM: %d\n",
83 ret); 79 ret);
84 mutex_unlock(dapm_mutex);
85 return; 80 return;
86 } 81 }
87
88 mutex_unlock(dapm_mutex);
89
90 } else { 82 } else {
91 /* This disable sequence will be a noop if already enabled */ 83 /* This disable sequence will be a noop if already enabled */
92 mutex_lock_nested(dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
93
94 ret = snd_soc_dapm_disable_pin(arizona->dapm, "HAPTICS"); 84 ret = snd_soc_dapm_disable_pin(arizona->dapm, "HAPTICS");
95 if (ret != 0) { 85 if (ret != 0) {
96 dev_err(arizona->dev, "Failed to disable HAPTICS: %d\n", 86 dev_err(arizona->dev, "Failed to disable HAPTICS: %d\n",
97 ret); 87 ret);
98 mutex_unlock(dapm_mutex);
99 return; 88 return;
100 } 89 }
101 90
@@ -103,12 +92,9 @@ static void arizona_haptics_work(struct work_struct *work)
103 if (ret != 0) { 92 if (ret != 0) {
104 dev_err(arizona->dev, "Failed to sync DAPM: %d\n", 93 dev_err(arizona->dev, "Failed to sync DAPM: %d\n",
105 ret); 94 ret);
106 mutex_unlock(dapm_mutex);
107 return; 95 return;
108 } 96 }
109 97
110 mutex_unlock(dapm_mutex);
111
112 ret = regmap_update_bits(arizona->regmap, 98 ret = regmap_update_bits(arizona->regmap,
113 ARIZONA_HAPTICS_CONTROL_1, 99 ARIZONA_HAPTICS_CONTROL_1,
114 ARIZONA_HAP_CTRL_MASK, 100 ARIZONA_HAP_CTRL_MASK,
@@ -155,16 +141,11 @@ static int arizona_haptics_play(struct input_dev *input, void *data,
155static void arizona_haptics_close(struct input_dev *input) 141static void arizona_haptics_close(struct input_dev *input)
156{ 142{
157 struct arizona_haptics *haptics = input_get_drvdata(input); 143 struct arizona_haptics *haptics = input_get_drvdata(input);
158 struct mutex *dapm_mutex = &haptics->arizona->dapm->card->dapm_mutex;
159 144
160 cancel_work_sync(&haptics->work); 145 cancel_work_sync(&haptics->work);
161 146
162 mutex_lock_nested(dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
163
164 if (haptics->arizona->dapm) 147 if (haptics->arizona->dapm)
165 snd_soc_dapm_disable_pin(haptics->arizona->dapm, "HAPTICS"); 148 snd_soc_dapm_disable_pin(haptics->arizona->dapm, "HAPTICS");
166
167 mutex_unlock(dapm_mutex);
168} 149}
169 150
170static int arizona_haptics_probe(struct platform_device *pdev) 151static int arizona_haptics_probe(struct platform_device *pdev)
diff --git a/drivers/iommu/omap-iommu-debug.c b/drivers/iommu/omap-iommu-debug.c
index d97fbe4fb9b1..80fffba7f12d 100644
--- a/drivers/iommu/omap-iommu-debug.c
+++ b/drivers/iommu/omap-iommu-debug.c
@@ -354,8 +354,8 @@ DEBUG_FOPS(mem);
354 return -ENOMEM; \ 354 return -ENOMEM; \
355 } 355 }
356 356
357#define DEBUG_ADD_FILE(name) __DEBUG_ADD_FILE(name, 600) 357#define DEBUG_ADD_FILE(name) __DEBUG_ADD_FILE(name, 0600)
358#define DEBUG_ADD_FILE_RO(name) __DEBUG_ADD_FILE(name, 400) 358#define DEBUG_ADD_FILE_RO(name) __DEBUG_ADD_FILE(name, 0400)
359 359
360static int iommu_debug_register(struct device *dev, void *data) 360static int iommu_debug_register(struct device *dev, void *data)
361{ 361{
diff --git a/drivers/irqchip/irq-metag-ext.c b/drivers/irqchip/irq-metag-ext.c
index 92c41ab4dbfd..2cb474ad8809 100644
--- a/drivers/irqchip/irq-metag-ext.c
+++ b/drivers/irqchip/irq-metag-ext.c
@@ -515,7 +515,7 @@ static int meta_intc_set_affinity(struct irq_data *data,
515 * one cpu (the interrupt code doesn't support it), so we just 515 * one cpu (the interrupt code doesn't support it), so we just
516 * pick the first cpu we find in 'cpumask'. 516 * pick the first cpu we find in 'cpumask'.
517 */ 517 */
518 cpu = cpumask_any(cpumask); 518 cpu = cpumask_any_and(cpumask, cpu_online_mask);
519 thread = cpu_2_hwthread_id[cpu]; 519 thread = cpu_2_hwthread_id[cpu];
520 520
521 metag_out32(TBI_TRIG_VEC(TBID_SIGNUM_TR2(thread)), vec_addr); 521 metag_out32(TBI_TRIG_VEC(TBID_SIGNUM_TR2(thread)), vec_addr);
diff --git a/drivers/irqchip/irq-metag.c b/drivers/irqchip/irq-metag.c
index 8e94d7a3b20d..c16c186d97d3 100644
--- a/drivers/irqchip/irq-metag.c
+++ b/drivers/irqchip/irq-metag.c
@@ -201,7 +201,7 @@ static int metag_internal_irq_set_affinity(struct irq_data *data,
201 * one cpu (the interrupt code doesn't support it), so we just 201 * one cpu (the interrupt code doesn't support it), so we just
202 * pick the first cpu we find in 'cpumask'. 202 * pick the first cpu we find in 'cpumask'.
203 */ 203 */
204 cpu = cpumask_any(cpumask); 204 cpu = cpumask_any_and(cpumask, cpu_online_mask);
205 thread = cpu_2_hwthread_id[cpu]; 205 thread = cpu_2_hwthread_id[cpu];
206 206
207 metag_out32(TBI_TRIG_VEC(TBID_SIGNUM_TR1(thread)), 207 metag_out32(TBI_TRIG_VEC(TBID_SIGNUM_TR1(thread)),
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 9a06fe883766..95ad936e6048 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -254,16 +254,6 @@ config DM_THIN_PROVISIONING
254 ---help--- 254 ---help---
255 Provides thin provisioning and snapshots that share a data store. 255 Provides thin provisioning and snapshots that share a data store.
256 256
257config DM_DEBUG_BLOCK_STACK_TRACING
258 boolean "Keep stack trace of persistent data block lock holders"
259 depends on STACKTRACE_SUPPORT && DM_PERSISTENT_DATA
260 select STACKTRACE
261 ---help---
262 Enable this for messages that may help debug problems with the
263 block manager locking used by thin provisioning and caching.
264
265 If unsure, say N.
266
267config DM_CACHE 257config DM_CACHE
268 tristate "Cache target (EXPERIMENTAL)" 258 tristate "Cache target (EXPERIMENTAL)"
269 depends on BLK_DEV_DM 259 depends on BLK_DEV_DM
diff --git a/drivers/md/dm-cache-policy-mq.c b/drivers/md/dm-cache-policy-mq.c
index 1e018e986610..0e385e40909e 100644
--- a/drivers/md/dm-cache-policy-mq.c
+++ b/drivers/md/dm-cache-policy-mq.c
@@ -872,7 +872,7 @@ static void mq_destroy(struct dm_cache_policy *p)
872{ 872{
873 struct mq_policy *mq = to_mq_policy(p); 873 struct mq_policy *mq = to_mq_policy(p);
874 874
875 kfree(mq->table); 875 vfree(mq->table);
876 epool_exit(&mq->cache_pool); 876 epool_exit(&mq->cache_pool);
877 epool_exit(&mq->pre_cache_pool); 877 epool_exit(&mq->pre_cache_pool);
878 kfree(mq); 878 kfree(mq);
@@ -1245,7 +1245,7 @@ static struct dm_cache_policy *mq_create(dm_cblock_t cache_size,
1245 1245
1246 mq->nr_buckets = next_power(from_cblock(cache_size) / 2, 16); 1246 mq->nr_buckets = next_power(from_cblock(cache_size) / 2, 16);
1247 mq->hash_bits = ffs(mq->nr_buckets) - 1; 1247 mq->hash_bits = ffs(mq->nr_buckets) - 1;
1248 mq->table = kzalloc(sizeof(*mq->table) * mq->nr_buckets, GFP_KERNEL); 1248 mq->table = vzalloc(sizeof(*mq->table) * mq->nr_buckets);
1249 if (!mq->table) 1249 if (!mq->table)
1250 goto bad_alloc_table; 1250 goto bad_alloc_table;
1251 1251
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index ffd472e015ca..1af70145fab9 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -289,6 +289,7 @@ struct per_bio_data {
289 bool tick:1; 289 bool tick:1;
290 unsigned req_nr:2; 290 unsigned req_nr:2;
291 struct dm_deferred_entry *all_io_entry; 291 struct dm_deferred_entry *all_io_entry;
292 struct dm_hook_info hook_info;
292 293
293 /* 294 /*
294 * writethrough fields. These MUST remain at the end of this 295 * writethrough fields. These MUST remain at the end of this
@@ -297,7 +298,6 @@ struct per_bio_data {
297 */ 298 */
298 struct cache *cache; 299 struct cache *cache;
299 dm_cblock_t cblock; 300 dm_cblock_t cblock;
300 struct dm_hook_info hook_info;
301 struct dm_bio_details bio_details; 301 struct dm_bio_details bio_details;
302}; 302};
303 303
@@ -671,15 +671,16 @@ static void remap_to_cache(struct cache *cache, struct bio *bio,
671 dm_cblock_t cblock) 671 dm_cblock_t cblock)
672{ 672{
673 sector_t bi_sector = bio->bi_iter.bi_sector; 673 sector_t bi_sector = bio->bi_iter.bi_sector;
674 sector_t block = from_cblock(cblock);
674 675
675 bio->bi_bdev = cache->cache_dev->bdev; 676 bio->bi_bdev = cache->cache_dev->bdev;
676 if (!block_size_is_power_of_two(cache)) 677 if (!block_size_is_power_of_two(cache))
677 bio->bi_iter.bi_sector = 678 bio->bi_iter.bi_sector =
678 (from_cblock(cblock) * cache->sectors_per_block) + 679 (block * cache->sectors_per_block) +
679 sector_div(bi_sector, cache->sectors_per_block); 680 sector_div(bi_sector, cache->sectors_per_block);
680 else 681 else
681 bio->bi_iter.bi_sector = 682 bio->bi_iter.bi_sector =
682 (from_cblock(cblock) << cache->sectors_per_block_shift) | 683 (block << cache->sectors_per_block_shift) |
683 (bi_sector & (cache->sectors_per_block - 1)); 684 (bi_sector & (cache->sectors_per_block - 1));
684} 685}
685 686
@@ -1010,13 +1011,15 @@ static void overwrite_endio(struct bio *bio, int err)
1010 struct per_bio_data *pb = get_per_bio_data(bio, pb_data_size); 1011 struct per_bio_data *pb = get_per_bio_data(bio, pb_data_size);
1011 unsigned long flags; 1012 unsigned long flags;
1012 1013
1014 dm_unhook_bio(&pb->hook_info, bio);
1015
1013 if (err) 1016 if (err)
1014 mg->err = true; 1017 mg->err = true;
1015 1018
1019 mg->requeue_holder = false;
1020
1016 spin_lock_irqsave(&cache->lock, flags); 1021 spin_lock_irqsave(&cache->lock, flags);
1017 list_add_tail(&mg->list, &cache->completed_migrations); 1022 list_add_tail(&mg->list, &cache->completed_migrations);
1018 dm_unhook_bio(&pb->hook_info, bio);
1019 mg->requeue_holder = false;
1020 spin_unlock_irqrestore(&cache->lock, flags); 1023 spin_unlock_irqrestore(&cache->lock, flags);
1021 1024
1022 wake_worker(cache); 1025 wake_worker(cache);
diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index b2b8a10e8427..3842ac738f98 100644
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -201,29 +201,28 @@ static void list_dp_init(struct dpages *dp, struct page_list *pl, unsigned offse
201/* 201/*
202 * Functions for getting the pages from a bvec. 202 * Functions for getting the pages from a bvec.
203 */ 203 */
204static void bio_get_page(struct dpages *dp, 204static void bio_get_page(struct dpages *dp, struct page **p,
205 struct page **p, unsigned long *len, unsigned *offset) 205 unsigned long *len, unsigned *offset)
206{ 206{
207 struct bio *bio = dp->context_ptr; 207 struct bio_vec *bvec = dp->context_ptr;
208 struct bio_vec bvec = bio_iovec(bio); 208 *p = bvec->bv_page;
209 *p = bvec.bv_page; 209 *len = bvec->bv_len - dp->context_u;
210 *len = bvec.bv_len; 210 *offset = bvec->bv_offset + dp->context_u;
211 *offset = bvec.bv_offset;
212} 211}
213 212
214static void bio_next_page(struct dpages *dp) 213static void bio_next_page(struct dpages *dp)
215{ 214{
216 struct bio *bio = dp->context_ptr; 215 struct bio_vec *bvec = dp->context_ptr;
217 struct bio_vec bvec = bio_iovec(bio); 216 dp->context_ptr = bvec + 1;
218 217 dp->context_u = 0;
219 bio_advance(bio, bvec.bv_len);
220} 218}
221 219
222static void bio_dp_init(struct dpages *dp, struct bio *bio) 220static void bio_dp_init(struct dpages *dp, struct bio *bio)
223{ 221{
224 dp->get_page = bio_get_page; 222 dp->get_page = bio_get_page;
225 dp->next_page = bio_next_page; 223 dp->next_page = bio_next_page;
226 dp->context_ptr = bio; 224 dp->context_ptr = __bvec_iter_bvec(bio->bi_io_vec, bio->bi_iter);
225 dp->context_u = bio->bi_iter.bi_bvec_done;
227} 226}
228 227
229/* 228/*
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 6eb9dc9ef8f3..422a9fdeb53e 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1626,8 +1626,11 @@ static int multipath_ioctl(struct dm_target *ti, unsigned int cmd,
1626 /* 1626 /*
1627 * Only pass ioctls through if the device sizes match exactly. 1627 * Only pass ioctls through if the device sizes match exactly.
1628 */ 1628 */
1629 if (!r && ti->len != i_size_read(bdev->bd_inode) >> SECTOR_SHIFT) 1629 if (!bdev || ti->len != i_size_read(bdev->bd_inode) >> SECTOR_SHIFT) {
1630 r = scsi_verify_blk_ioctl(NULL, cmd); 1630 int err = scsi_verify_blk_ioctl(NULL, cmd);
1631 if (err)
1632 r = err;
1633 }
1631 1634
1632 if (r == -ENOTCONN && !fatal_signal_pending(current)) 1635 if (r == -ENOTCONN && !fatal_signal_pending(current))
1633 queue_work(kmultipathd, &m->process_queued_ios); 1636 queue_work(kmultipathd, &m->process_queued_ios);
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index f284e0bfb25f..7dfdb5c746d6 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -1244,6 +1244,9 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error)
1244 1244
1245 dm_bio_restore(bd, bio); 1245 dm_bio_restore(bd, bio);
1246 bio_record->details.bi_bdev = NULL; 1246 bio_record->details.bi_bdev = NULL;
1247
1248 atomic_inc(&bio->bi_remaining);
1249
1247 queue_bio(ms, bio, rw); 1250 queue_bio(ms, bio, rw);
1248 return DM_ENDIO_INCOMPLETE; 1251 return DM_ENDIO_INCOMPLETE;
1249 } 1252 }
diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c
index afc3d017de4c..d6e88178d22c 100644
--- a/drivers/md/dm-snap-persistent.c
+++ b/drivers/md/dm-snap-persistent.c
@@ -546,6 +546,9 @@ static int read_exceptions(struct pstore *ps,
546 r = insert_exceptions(ps, area, callback, callback_context, 546 r = insert_exceptions(ps, area, callback, callback_context,
547 &full); 547 &full);
548 548
549 if (!full)
550 memcpy(ps->area, area, ps->store->chunk_size << SECTOR_SHIFT);
551
549 dm_bufio_release(bp); 552 dm_bufio_release(bp);
550 553
551 dm_bufio_forget(client, chunk); 554 dm_bufio_forget(client, chunk);
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 7da347665552..fb9efc829182 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -76,7 +76,7 @@
76 76
77#define THIN_SUPERBLOCK_MAGIC 27022010 77#define THIN_SUPERBLOCK_MAGIC 27022010
78#define THIN_SUPERBLOCK_LOCATION 0 78#define THIN_SUPERBLOCK_LOCATION 0
79#define THIN_VERSION 1 79#define THIN_VERSION 2
80#define THIN_METADATA_CACHE_SIZE 64 80#define THIN_METADATA_CACHE_SIZE 64
81#define SECTOR_TO_BLOCK_SHIFT 3 81#define SECTOR_TO_BLOCK_SHIFT 3
82 82
@@ -483,7 +483,7 @@ static int __write_initial_superblock(struct dm_pool_metadata *pmd)
483 483
484 disk_super->data_mapping_root = cpu_to_le64(pmd->root); 484 disk_super->data_mapping_root = cpu_to_le64(pmd->root);
485 disk_super->device_details_root = cpu_to_le64(pmd->details_root); 485 disk_super->device_details_root = cpu_to_le64(pmd->details_root);
486 disk_super->metadata_block_size = cpu_to_le32(THIN_METADATA_BLOCK_SIZE >> SECTOR_SHIFT); 486 disk_super->metadata_block_size = cpu_to_le32(THIN_METADATA_BLOCK_SIZE);
487 disk_super->metadata_nr_blocks = cpu_to_le64(bdev_size >> SECTOR_TO_BLOCK_SHIFT); 487 disk_super->metadata_nr_blocks = cpu_to_le64(bdev_size >> SECTOR_TO_BLOCK_SHIFT);
488 disk_super->data_block_size = cpu_to_le32(pmd->data_block_size); 488 disk_super->data_block_size = cpu_to_le32(pmd->data_block_size);
489 489
@@ -651,7 +651,7 @@ static int __create_persistent_data_objects(struct dm_pool_metadata *pmd, bool f
651{ 651{
652 int r; 652 int r;
653 653
654 pmd->bm = dm_block_manager_create(pmd->bdev, THIN_METADATA_BLOCK_SIZE, 654 pmd->bm = dm_block_manager_create(pmd->bdev, THIN_METADATA_BLOCK_SIZE << SECTOR_SHIFT,
655 THIN_METADATA_CACHE_SIZE, 655 THIN_METADATA_CACHE_SIZE,
656 THIN_MAX_CONCURRENT_LOCKS); 656 THIN_MAX_CONCURRENT_LOCKS);
657 if (IS_ERR(pmd->bm)) { 657 if (IS_ERR(pmd->bm)) {
@@ -1489,6 +1489,23 @@ bool dm_thin_changed_this_transaction(struct dm_thin_device *td)
1489 return r; 1489 return r;
1490} 1490}
1491 1491
1492bool dm_pool_changed_this_transaction(struct dm_pool_metadata *pmd)
1493{
1494 bool r = false;
1495 struct dm_thin_device *td, *tmp;
1496
1497 down_read(&pmd->root_lock);
1498 list_for_each_entry_safe(td, tmp, &pmd->thin_devices, list) {
1499 if (td->changed) {
1500 r = td->changed;
1501 break;
1502 }
1503 }
1504 up_read(&pmd->root_lock);
1505
1506 return r;
1507}
1508
1492bool dm_thin_aborted_changes(struct dm_thin_device *td) 1509bool dm_thin_aborted_changes(struct dm_thin_device *td)
1493{ 1510{
1494 bool r; 1511 bool r;
@@ -1738,3 +1755,38 @@ int dm_pool_register_metadata_threshold(struct dm_pool_metadata *pmd,
1738 1755
1739 return r; 1756 return r;
1740} 1757}
1758
1759int dm_pool_metadata_set_needs_check(struct dm_pool_metadata *pmd)
1760{
1761 int r;
1762 struct dm_block *sblock;
1763 struct thin_disk_superblock *disk_super;
1764
1765 down_write(&pmd->root_lock);
1766 pmd->flags |= THIN_METADATA_NEEDS_CHECK_FLAG;
1767
1768 r = superblock_lock(pmd, &sblock);
1769 if (r) {
1770 DMERR("couldn't read superblock");
1771 goto out;
1772 }
1773
1774 disk_super = dm_block_data(sblock);
1775 disk_super->flags = cpu_to_le32(pmd->flags);
1776
1777 dm_bm_unlock(sblock);
1778out:
1779 up_write(&pmd->root_lock);
1780 return r;
1781}
1782
1783bool dm_pool_metadata_needs_check(struct dm_pool_metadata *pmd)
1784{
1785 bool needs_check;
1786
1787 down_read(&pmd->root_lock);
1788 needs_check = pmd->flags & THIN_METADATA_NEEDS_CHECK_FLAG;
1789 up_read(&pmd->root_lock);
1790
1791 return needs_check;
1792}
diff --git a/drivers/md/dm-thin-metadata.h b/drivers/md/dm-thin-metadata.h
index 9a368567632f..e3c857db195a 100644
--- a/drivers/md/dm-thin-metadata.h
+++ b/drivers/md/dm-thin-metadata.h
@@ -9,16 +9,14 @@
9 9
10#include "persistent-data/dm-block-manager.h" 10#include "persistent-data/dm-block-manager.h"
11#include "persistent-data/dm-space-map.h" 11#include "persistent-data/dm-space-map.h"
12#include "persistent-data/dm-space-map-metadata.h"
12 13
13#define THIN_METADATA_BLOCK_SIZE 4096 14#define THIN_METADATA_BLOCK_SIZE DM_SM_METADATA_BLOCK_SIZE
14 15
15/* 16/*
16 * The metadata device is currently limited in size. 17 * The metadata device is currently limited in size.
17 *
18 * We have one block of index, which can hold 255 index entries. Each
19 * index entry contains allocation info about 16k metadata blocks.
20 */ 18 */
21#define THIN_METADATA_MAX_SECTORS (255 * (1 << 14) * (THIN_METADATA_BLOCK_SIZE / (1 << SECTOR_SHIFT))) 19#define THIN_METADATA_MAX_SECTORS DM_SM_METADATA_MAX_SECTORS
22 20
23/* 21/*
24 * A metadata device larger than 16GB triggers a warning. 22 * A metadata device larger than 16GB triggers a warning.
@@ -27,6 +25,11 @@
27 25
28/*----------------------------------------------------------------*/ 26/*----------------------------------------------------------------*/
29 27
28/*
29 * Thin metadata superblock flags.
30 */
31#define THIN_METADATA_NEEDS_CHECK_FLAG (1 << 0)
32
30struct dm_pool_metadata; 33struct dm_pool_metadata;
31struct dm_thin_device; 34struct dm_thin_device;
32 35
@@ -161,6 +164,8 @@ int dm_thin_remove_block(struct dm_thin_device *td, dm_block_t block);
161 */ 164 */
162bool dm_thin_changed_this_transaction(struct dm_thin_device *td); 165bool dm_thin_changed_this_transaction(struct dm_thin_device *td);
163 166
167bool dm_pool_changed_this_transaction(struct dm_pool_metadata *pmd);
168
164bool dm_thin_aborted_changes(struct dm_thin_device *td); 169bool dm_thin_aborted_changes(struct dm_thin_device *td);
165 170
166int dm_thin_get_highest_mapped_block(struct dm_thin_device *td, 171int dm_thin_get_highest_mapped_block(struct dm_thin_device *td,
@@ -202,6 +207,12 @@ int dm_pool_register_metadata_threshold(struct dm_pool_metadata *pmd,
202 dm_sm_threshold_fn fn, 207 dm_sm_threshold_fn fn,
203 void *context); 208 void *context);
204 209
210/*
211 * Updates the superblock immediately.
212 */
213int dm_pool_metadata_set_needs_check(struct dm_pool_metadata *pmd);
214bool dm_pool_metadata_needs_check(struct dm_pool_metadata *pmd);
215
205/*----------------------------------------------------------------*/ 216/*----------------------------------------------------------------*/
206 217
207#endif 218#endif
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index faaf944597ab..be70d38745f7 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -130,10 +130,11 @@ static void build_virtual_key(struct dm_thin_device *td, dm_block_t b,
130struct dm_thin_new_mapping; 130struct dm_thin_new_mapping;
131 131
132/* 132/*
133 * The pool runs in 3 modes. Ordered in degraded order for comparisons. 133 * The pool runs in 4 modes. Ordered in degraded order for comparisons.
134 */ 134 */
135enum pool_mode { 135enum pool_mode {
136 PM_WRITE, /* metadata may be changed */ 136 PM_WRITE, /* metadata may be changed */
137 PM_OUT_OF_DATA_SPACE, /* metadata may be changed, though data may not be allocated */
137 PM_READ_ONLY, /* metadata may not be changed */ 138 PM_READ_ONLY, /* metadata may not be changed */
138 PM_FAIL, /* all I/O fails */ 139 PM_FAIL, /* all I/O fails */
139}; 140};
@@ -198,7 +199,6 @@ struct pool {
198}; 199};
199 200
200static enum pool_mode get_pool_mode(struct pool *pool); 201static enum pool_mode get_pool_mode(struct pool *pool);
201static void out_of_data_space(struct pool *pool);
202static void metadata_operation_failed(struct pool *pool, const char *op, int r); 202static void metadata_operation_failed(struct pool *pool, const char *op, int r);
203 203
204/* 204/*
@@ -226,6 +226,7 @@ struct thin_c {
226 226
227 struct pool *pool; 227 struct pool *pool;
228 struct dm_thin_device *td; 228 struct dm_thin_device *td;
229 bool requeue_mode:1;
229}; 230};
230 231
231/*----------------------------------------------------------------*/ 232/*----------------------------------------------------------------*/
@@ -369,14 +370,18 @@ struct dm_thin_endio_hook {
369 struct dm_thin_new_mapping *overwrite_mapping; 370 struct dm_thin_new_mapping *overwrite_mapping;
370}; 371};
371 372
372static void __requeue_bio_list(struct thin_c *tc, struct bio_list *master) 373static void requeue_bio_list(struct thin_c *tc, struct bio_list *master)
373{ 374{
374 struct bio *bio; 375 struct bio *bio;
375 struct bio_list bios; 376 struct bio_list bios;
377 unsigned long flags;
376 378
377 bio_list_init(&bios); 379 bio_list_init(&bios);
380
381 spin_lock_irqsave(&tc->pool->lock, flags);
378 bio_list_merge(&bios, master); 382 bio_list_merge(&bios, master);
379 bio_list_init(master); 383 bio_list_init(master);
384 spin_unlock_irqrestore(&tc->pool->lock, flags);
380 385
381 while ((bio = bio_list_pop(&bios))) { 386 while ((bio = bio_list_pop(&bios))) {
382 struct dm_thin_endio_hook *h = dm_per_bio_data(bio, sizeof(struct dm_thin_endio_hook)); 387 struct dm_thin_endio_hook *h = dm_per_bio_data(bio, sizeof(struct dm_thin_endio_hook));
@@ -391,12 +396,26 @@ static void __requeue_bio_list(struct thin_c *tc, struct bio_list *master)
391static void requeue_io(struct thin_c *tc) 396static void requeue_io(struct thin_c *tc)
392{ 397{
393 struct pool *pool = tc->pool; 398 struct pool *pool = tc->pool;
399
400 requeue_bio_list(tc, &pool->deferred_bios);
401 requeue_bio_list(tc, &pool->retry_on_resume_list);
402}
403
404static void error_retry_list(struct pool *pool)
405{
406 struct bio *bio;
394 unsigned long flags; 407 unsigned long flags;
408 struct bio_list bios;
409
410 bio_list_init(&bios);
395 411
396 spin_lock_irqsave(&pool->lock, flags); 412 spin_lock_irqsave(&pool->lock, flags);
397 __requeue_bio_list(tc, &pool->deferred_bios); 413 bio_list_merge(&bios, &pool->retry_on_resume_list);
398 __requeue_bio_list(tc, &pool->retry_on_resume_list); 414 bio_list_init(&pool->retry_on_resume_list);
399 spin_unlock_irqrestore(&pool->lock, flags); 415 spin_unlock_irqrestore(&pool->lock, flags);
416
417 while ((bio = bio_list_pop(&bios)))
418 bio_io_error(bio);
400} 419}
401 420
402/* 421/*
@@ -925,13 +944,15 @@ static void check_low_water_mark(struct pool *pool, dm_block_t free_blocks)
925 } 944 }
926} 945}
927 946
947static void set_pool_mode(struct pool *pool, enum pool_mode new_mode);
948
928static int alloc_data_block(struct thin_c *tc, dm_block_t *result) 949static int alloc_data_block(struct thin_c *tc, dm_block_t *result)
929{ 950{
930 int r; 951 int r;
931 dm_block_t free_blocks; 952 dm_block_t free_blocks;
932 struct pool *pool = tc->pool; 953 struct pool *pool = tc->pool;
933 954
934 if (get_pool_mode(pool) != PM_WRITE) 955 if (WARN_ON(get_pool_mode(pool) != PM_WRITE))
935 return -EINVAL; 956 return -EINVAL;
936 957
937 r = dm_pool_get_free_block_count(pool->pmd, &free_blocks); 958 r = dm_pool_get_free_block_count(pool->pmd, &free_blocks);
@@ -958,7 +979,7 @@ static int alloc_data_block(struct thin_c *tc, dm_block_t *result)
958 } 979 }
959 980
960 if (!free_blocks) { 981 if (!free_blocks) {
961 out_of_data_space(pool); 982 set_pool_mode(pool, PM_OUT_OF_DATA_SPACE);
962 return -ENOSPC; 983 return -ENOSPC;
963 } 984 }
964 } 985 }
@@ -988,15 +1009,32 @@ static void retry_on_resume(struct bio *bio)
988 spin_unlock_irqrestore(&pool->lock, flags); 1009 spin_unlock_irqrestore(&pool->lock, flags);
989} 1010}
990 1011
991static void handle_unserviceable_bio(struct pool *pool, struct bio *bio) 1012static bool should_error_unserviceable_bio(struct pool *pool)
992{ 1013{
993 /* 1014 enum pool_mode m = get_pool_mode(pool);
994 * When pool is read-only, no cell locking is needed because
995 * nothing is changing.
996 */
997 WARN_ON_ONCE(get_pool_mode(pool) != PM_READ_ONLY);
998 1015
999 if (pool->pf.error_if_no_space) 1016 switch (m) {
1017 case PM_WRITE:
1018 /* Shouldn't get here */
1019 DMERR_LIMIT("bio unserviceable, yet pool is in PM_WRITE mode");
1020 return true;
1021
1022 case PM_OUT_OF_DATA_SPACE:
1023 return pool->pf.error_if_no_space;
1024
1025 case PM_READ_ONLY:
1026 case PM_FAIL:
1027 return true;
1028 default:
1029 /* Shouldn't get here */
1030 DMERR_LIMIT("bio unserviceable, yet pool has an unknown mode");
1031 return true;
1032 }
1033}
1034
1035static void handle_unserviceable_bio(struct pool *pool, struct bio *bio)
1036{
1037 if (should_error_unserviceable_bio(pool))
1000 bio_io_error(bio); 1038 bio_io_error(bio);
1001 else 1039 else
1002 retry_on_resume(bio); 1040 retry_on_resume(bio);
@@ -1007,11 +1045,20 @@ static void retry_bios_on_resume(struct pool *pool, struct dm_bio_prison_cell *c
1007 struct bio *bio; 1045 struct bio *bio;
1008 struct bio_list bios; 1046 struct bio_list bios;
1009 1047
1048 if (should_error_unserviceable_bio(pool)) {
1049 cell_error(pool, cell);
1050 return;
1051 }
1052
1010 bio_list_init(&bios); 1053 bio_list_init(&bios);
1011 cell_release(pool, cell, &bios); 1054 cell_release(pool, cell, &bios);
1012 1055
1013 while ((bio = bio_list_pop(&bios))) 1056 if (should_error_unserviceable_bio(pool))
1014 handle_unserviceable_bio(pool, bio); 1057 while ((bio = bio_list_pop(&bios)))
1058 bio_io_error(bio);
1059 else
1060 while ((bio = bio_list_pop(&bios)))
1061 retry_on_resume(bio);
1015} 1062}
1016 1063
1017static void process_discard(struct thin_c *tc, struct bio *bio) 1064static void process_discard(struct thin_c *tc, struct bio *bio)
@@ -1296,6 +1343,11 @@ static void process_bio_read_only(struct thin_c *tc, struct bio *bio)
1296 } 1343 }
1297} 1344}
1298 1345
1346static void process_bio_success(struct thin_c *tc, struct bio *bio)
1347{
1348 bio_endio(bio, 0);
1349}
1350
1299static void process_bio_fail(struct thin_c *tc, struct bio *bio) 1351static void process_bio_fail(struct thin_c *tc, struct bio *bio)
1300{ 1352{
1301 bio_io_error(bio); 1353 bio_io_error(bio);
@@ -1328,6 +1380,11 @@ static void process_deferred_bios(struct pool *pool)
1328 struct dm_thin_endio_hook *h = dm_per_bio_data(bio, sizeof(struct dm_thin_endio_hook)); 1380 struct dm_thin_endio_hook *h = dm_per_bio_data(bio, sizeof(struct dm_thin_endio_hook));
1329 struct thin_c *tc = h->tc; 1381 struct thin_c *tc = h->tc;
1330 1382
1383 if (tc->requeue_mode) {
1384 bio_endio(bio, DM_ENDIO_REQUEUE);
1385 continue;
1386 }
1387
1331 /* 1388 /*
1332 * If we've got no free new_mapping structs, and processing 1389 * If we've got no free new_mapping structs, and processing
1333 * this bio might require one, we pause until there are some 1390 * this bio might require one, we pause until there are some
@@ -1357,7 +1414,8 @@ static void process_deferred_bios(struct pool *pool)
1357 bio_list_init(&pool->deferred_flush_bios); 1414 bio_list_init(&pool->deferred_flush_bios);
1358 spin_unlock_irqrestore(&pool->lock, flags); 1415 spin_unlock_irqrestore(&pool->lock, flags);
1359 1416
1360 if (bio_list_empty(&bios) && !need_commit_due_to_time(pool)) 1417 if (bio_list_empty(&bios) &&
1418 !(dm_pool_changed_this_transaction(pool->pmd) && need_commit_due_to_time(pool)))
1361 return; 1419 return;
1362 1420
1363 if (commit(pool)) { 1421 if (commit(pool)) {
@@ -1393,51 +1451,134 @@ static void do_waker(struct work_struct *ws)
1393 1451
1394/*----------------------------------------------------------------*/ 1452/*----------------------------------------------------------------*/
1395 1453
1454struct noflush_work {
1455 struct work_struct worker;
1456 struct thin_c *tc;
1457
1458 atomic_t complete;
1459 wait_queue_head_t wait;
1460};
1461
1462static void complete_noflush_work(struct noflush_work *w)
1463{
1464 atomic_set(&w->complete, 1);
1465 wake_up(&w->wait);
1466}
1467
1468static void do_noflush_start(struct work_struct *ws)
1469{
1470 struct noflush_work *w = container_of(ws, struct noflush_work, worker);
1471 w->tc->requeue_mode = true;
1472 requeue_io(w->tc);
1473 complete_noflush_work(w);
1474}
1475
1476static void do_noflush_stop(struct work_struct *ws)
1477{
1478 struct noflush_work *w = container_of(ws, struct noflush_work, worker);
1479 w->tc->requeue_mode = false;
1480 complete_noflush_work(w);
1481}
1482
1483static void noflush_work(struct thin_c *tc, void (*fn)(struct work_struct *))
1484{
1485 struct noflush_work w;
1486
1487 INIT_WORK(&w.worker, fn);
1488 w.tc = tc;
1489 atomic_set(&w.complete, 0);
1490 init_waitqueue_head(&w.wait);
1491
1492 queue_work(tc->pool->wq, &w.worker);
1493
1494 wait_event(w.wait, atomic_read(&w.complete));
1495}
1496
1497/*----------------------------------------------------------------*/
1498
1396static enum pool_mode get_pool_mode(struct pool *pool) 1499static enum pool_mode get_pool_mode(struct pool *pool)
1397{ 1500{
1398 return pool->pf.mode; 1501 return pool->pf.mode;
1399} 1502}
1400 1503
1504static void notify_of_pool_mode_change(struct pool *pool, const char *new_mode)
1505{
1506 dm_table_event(pool->ti->table);
1507 DMINFO("%s: switching pool to %s mode",
1508 dm_device_name(pool->pool_md), new_mode);
1509}
1510
1401static void set_pool_mode(struct pool *pool, enum pool_mode new_mode) 1511static void set_pool_mode(struct pool *pool, enum pool_mode new_mode)
1402{ 1512{
1403 int r; 1513 struct pool_c *pt = pool->ti->private;
1404 enum pool_mode old_mode = pool->pf.mode; 1514 bool needs_check = dm_pool_metadata_needs_check(pool->pmd);
1515 enum pool_mode old_mode = get_pool_mode(pool);
1516
1517 /*
1518 * Never allow the pool to transition to PM_WRITE mode if user
1519 * intervention is required to verify metadata and data consistency.
1520 */
1521 if (new_mode == PM_WRITE && needs_check) {
1522 DMERR("%s: unable to switch pool to write mode until repaired.",
1523 dm_device_name(pool->pool_md));
1524 if (old_mode != new_mode)
1525 new_mode = old_mode;
1526 else
1527 new_mode = PM_READ_ONLY;
1528 }
1529 /*
1530 * If we were in PM_FAIL mode, rollback of metadata failed. We're
1531 * not going to recover without a thin_repair. So we never let the
1532 * pool move out of the old mode.
1533 */
1534 if (old_mode == PM_FAIL)
1535 new_mode = old_mode;
1405 1536
1406 switch (new_mode) { 1537 switch (new_mode) {
1407 case PM_FAIL: 1538 case PM_FAIL:
1408 if (old_mode != new_mode) 1539 if (old_mode != new_mode)
1409 DMERR("%s: switching pool to failure mode", 1540 notify_of_pool_mode_change(pool, "failure");
1410 dm_device_name(pool->pool_md));
1411 dm_pool_metadata_read_only(pool->pmd); 1541 dm_pool_metadata_read_only(pool->pmd);
1412 pool->process_bio = process_bio_fail; 1542 pool->process_bio = process_bio_fail;
1413 pool->process_discard = process_bio_fail; 1543 pool->process_discard = process_bio_fail;
1414 pool->process_prepared_mapping = process_prepared_mapping_fail; 1544 pool->process_prepared_mapping = process_prepared_mapping_fail;
1415 pool->process_prepared_discard = process_prepared_discard_fail; 1545 pool->process_prepared_discard = process_prepared_discard_fail;
1546
1547 error_retry_list(pool);
1416 break; 1548 break;
1417 1549
1418 case PM_READ_ONLY: 1550 case PM_READ_ONLY:
1419 if (old_mode != new_mode) 1551 if (old_mode != new_mode)
1420 DMERR("%s: switching pool to read-only mode", 1552 notify_of_pool_mode_change(pool, "read-only");
1421 dm_device_name(pool->pool_md)); 1553 dm_pool_metadata_read_only(pool->pmd);
1422 r = dm_pool_abort_metadata(pool->pmd); 1554 pool->process_bio = process_bio_read_only;
1423 if (r) { 1555 pool->process_discard = process_bio_success;
1424 DMERR("%s: aborting transaction failed", 1556 pool->process_prepared_mapping = process_prepared_mapping_fail;
1425 dm_device_name(pool->pool_md)); 1557 pool->process_prepared_discard = process_prepared_discard_passdown;
1426 new_mode = PM_FAIL; 1558
1427 set_pool_mode(pool, new_mode); 1559 error_retry_list(pool);
1428 } else { 1560 break;
1429 dm_pool_metadata_read_only(pool->pmd); 1561
1430 pool->process_bio = process_bio_read_only; 1562 case PM_OUT_OF_DATA_SPACE:
1431 pool->process_discard = process_discard; 1563 /*
1432 pool->process_prepared_mapping = process_prepared_mapping_fail; 1564 * Ideally we'd never hit this state; the low water mark
1433 pool->process_prepared_discard = process_prepared_discard_passdown; 1565 * would trigger userland to extend the pool before we
1434 } 1566 * completely run out of data space. However, many small
1567 * IOs to unprovisioned space can consume data space at an
1568 * alarming rate. Adjust your low water mark if you're
1569 * frequently seeing this mode.
1570 */
1571 if (old_mode != new_mode)
1572 notify_of_pool_mode_change(pool, "out-of-data-space");
1573 pool->process_bio = process_bio_read_only;
1574 pool->process_discard = process_discard;
1575 pool->process_prepared_mapping = process_prepared_mapping;
1576 pool->process_prepared_discard = process_prepared_discard_passdown;
1435 break; 1577 break;
1436 1578
1437 case PM_WRITE: 1579 case PM_WRITE:
1438 if (old_mode != new_mode) 1580 if (old_mode != new_mode)
1439 DMINFO("%s: switching pool to write mode", 1581 notify_of_pool_mode_change(pool, "write");
1440 dm_device_name(pool->pool_md));
1441 dm_pool_metadata_read_write(pool->pmd); 1582 dm_pool_metadata_read_write(pool->pmd);
1442 pool->process_bio = process_bio; 1583 pool->process_bio = process_bio;
1443 pool->process_discard = process_discard; 1584 pool->process_discard = process_discard;
@@ -1447,32 +1588,35 @@ static void set_pool_mode(struct pool *pool, enum pool_mode new_mode)
1447 } 1588 }
1448 1589
1449 pool->pf.mode = new_mode; 1590 pool->pf.mode = new_mode;
1591 /*
1592 * The pool mode may have changed, sync it so bind_control_target()
1593 * doesn't cause an unexpected mode transition on resume.
1594 */
1595 pt->adjusted_pf.mode = new_mode;
1450} 1596}
1451 1597
1452/* 1598static void abort_transaction(struct pool *pool)
1453 * Rather than calling set_pool_mode directly, use these which describe the
1454 * reason for mode degradation.
1455 */
1456static void out_of_data_space(struct pool *pool)
1457{ 1599{
1458 DMERR_LIMIT("%s: no free data space available.", 1600 const char *dev_name = dm_device_name(pool->pool_md);
1459 dm_device_name(pool->pool_md)); 1601
1460 set_pool_mode(pool, PM_READ_ONLY); 1602 DMERR_LIMIT("%s: aborting current metadata transaction", dev_name);
1603 if (dm_pool_abort_metadata(pool->pmd)) {
1604 DMERR("%s: failed to abort metadata transaction", dev_name);
1605 set_pool_mode(pool, PM_FAIL);
1606 }
1607
1608 if (dm_pool_metadata_set_needs_check(pool->pmd)) {
1609 DMERR("%s: failed to set 'needs_check' flag in metadata", dev_name);
1610 set_pool_mode(pool, PM_FAIL);
1611 }
1461} 1612}
1462 1613
1463static void metadata_operation_failed(struct pool *pool, const char *op, int r) 1614static void metadata_operation_failed(struct pool *pool, const char *op, int r)
1464{ 1615{
1465 dm_block_t free_blocks;
1466
1467 DMERR_LIMIT("%s: metadata operation '%s' failed: error = %d", 1616 DMERR_LIMIT("%s: metadata operation '%s' failed: error = %d",
1468 dm_device_name(pool->pool_md), op, r); 1617 dm_device_name(pool->pool_md), op, r);
1469 1618
1470 if (r == -ENOSPC && 1619 abort_transaction(pool);
1471 !dm_pool_get_free_metadata_block_count(pool->pmd, &free_blocks) &&
1472 !free_blocks)
1473 DMERR_LIMIT("%s: no free metadata space available.",
1474 dm_device_name(pool->pool_md));
1475
1476 set_pool_mode(pool, PM_READ_ONLY); 1620 set_pool_mode(pool, PM_READ_ONLY);
1477} 1621}
1478 1622
@@ -1523,6 +1667,11 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio)
1523 1667
1524 thin_hook_bio(tc, bio); 1668 thin_hook_bio(tc, bio);
1525 1669
1670 if (tc->requeue_mode) {
1671 bio_endio(bio, DM_ENDIO_REQUEUE);
1672 return DM_MAPIO_SUBMITTED;
1673 }
1674
1526 if (get_pool_mode(tc->pool) == PM_FAIL) { 1675 if (get_pool_mode(tc->pool) == PM_FAIL) {
1527 bio_io_error(bio); 1676 bio_io_error(bio);
1528 return DM_MAPIO_SUBMITTED; 1677 return DM_MAPIO_SUBMITTED;
@@ -1686,7 +1835,7 @@ static int bind_control_target(struct pool *pool, struct dm_target *ti)
1686 /* 1835 /*
1687 * We want to make sure that a pool in PM_FAIL mode is never upgraded. 1836 * We want to make sure that a pool in PM_FAIL mode is never upgraded.
1688 */ 1837 */
1689 enum pool_mode old_mode = pool->pf.mode; 1838 enum pool_mode old_mode = get_pool_mode(pool);
1690 enum pool_mode new_mode = pt->adjusted_pf.mode; 1839 enum pool_mode new_mode = pt->adjusted_pf.mode;
1691 1840
1692 /* 1841 /*
@@ -1700,16 +1849,6 @@ static int bind_control_target(struct pool *pool, struct dm_target *ti)
1700 pool->pf = pt->adjusted_pf; 1849 pool->pf = pt->adjusted_pf;
1701 pool->low_water_blocks = pt->low_water_blocks; 1850 pool->low_water_blocks = pt->low_water_blocks;
1702 1851
1703 /*
1704 * If we were in PM_FAIL mode, rollback of metadata failed. We're
1705 * not going to recover without a thin_repair. So we never let the
1706 * pool move out of the old mode. On the other hand a PM_READ_ONLY
1707 * may have been due to a lack of metadata or data space, and may
1708 * now work (ie. if the underlying devices have been resized).
1709 */
1710 if (old_mode == PM_FAIL)
1711 new_mode = old_mode;
1712
1713 set_pool_mode(pool, new_mode); 1852 set_pool_mode(pool, new_mode);
1714 1853
1715 return 0; 1854 return 0;
@@ -1999,16 +2138,27 @@ static void metadata_low_callback(void *context)
1999 dm_table_event(pool->ti->table); 2138 dm_table_event(pool->ti->table);
2000} 2139}
2001 2140
2002static sector_t get_metadata_dev_size(struct block_device *bdev) 2141static sector_t get_dev_size(struct block_device *bdev)
2142{
2143 return i_size_read(bdev->bd_inode) >> SECTOR_SHIFT;
2144}
2145
2146static void warn_if_metadata_device_too_big(struct block_device *bdev)
2003{ 2147{
2004 sector_t metadata_dev_size = i_size_read(bdev->bd_inode) >> SECTOR_SHIFT; 2148 sector_t metadata_dev_size = get_dev_size(bdev);
2005 char buffer[BDEVNAME_SIZE]; 2149 char buffer[BDEVNAME_SIZE];
2006 2150
2007 if (metadata_dev_size > THIN_METADATA_MAX_SECTORS_WARNING) { 2151 if (metadata_dev_size > THIN_METADATA_MAX_SECTORS_WARNING)
2008 DMWARN("Metadata device %s is larger than %u sectors: excess space will not be used.", 2152 DMWARN("Metadata device %s is larger than %u sectors: excess space will not be used.",
2009 bdevname(bdev, buffer), THIN_METADATA_MAX_SECTORS); 2153 bdevname(bdev, buffer), THIN_METADATA_MAX_SECTORS);
2010 metadata_dev_size = THIN_METADATA_MAX_SECTORS_WARNING; 2154}
2011 } 2155
2156static sector_t get_metadata_dev_size(struct block_device *bdev)
2157{
2158 sector_t metadata_dev_size = get_dev_size(bdev);
2159
2160 if (metadata_dev_size > THIN_METADATA_MAX_SECTORS)
2161 metadata_dev_size = THIN_METADATA_MAX_SECTORS;
2012 2162
2013 return metadata_dev_size; 2163 return metadata_dev_size;
2014} 2164}
@@ -2017,7 +2167,7 @@ static dm_block_t get_metadata_dev_size_in_blocks(struct block_device *bdev)
2017{ 2167{
2018 sector_t metadata_dev_size = get_metadata_dev_size(bdev); 2168 sector_t metadata_dev_size = get_metadata_dev_size(bdev);
2019 2169
2020 sector_div(metadata_dev_size, THIN_METADATA_BLOCK_SIZE >> SECTOR_SHIFT); 2170 sector_div(metadata_dev_size, THIN_METADATA_BLOCK_SIZE);
2021 2171
2022 return metadata_dev_size; 2172 return metadata_dev_size;
2023} 2173}
@@ -2095,12 +2245,7 @@ static int pool_ctr(struct dm_target *ti, unsigned argc, char **argv)
2095 ti->error = "Error opening metadata block device"; 2245 ti->error = "Error opening metadata block device";
2096 goto out_unlock; 2246 goto out_unlock;
2097 } 2247 }
2098 2248 warn_if_metadata_device_too_big(metadata_dev->bdev);
2099 /*
2100 * Run for the side-effect of possibly issuing a warning if the
2101 * device is too big.
2102 */
2103 (void) get_metadata_dev_size(metadata_dev->bdev);
2104 2249
2105 r = dm_get_device(ti, argv[1], FMODE_READ | FMODE_WRITE, &data_dev); 2250 r = dm_get_device(ti, argv[1], FMODE_READ | FMODE_WRITE, &data_dev);
2106 if (r) { 2251 if (r) {
@@ -2246,6 +2391,12 @@ static int maybe_resize_data_dev(struct dm_target *ti, bool *need_commit)
2246 return -EINVAL; 2391 return -EINVAL;
2247 2392
2248 } else if (data_size > sb_data_size) { 2393 } else if (data_size > sb_data_size) {
2394 if (dm_pool_metadata_needs_check(pool->pmd)) {
2395 DMERR("%s: unable to grow the data device until repaired.",
2396 dm_device_name(pool->pool_md));
2397 return 0;
2398 }
2399
2249 if (sb_data_size) 2400 if (sb_data_size)
2250 DMINFO("%s: growing the data device from %llu to %llu blocks", 2401 DMINFO("%s: growing the data device from %llu to %llu blocks",
2251 dm_device_name(pool->pool_md), 2402 dm_device_name(pool->pool_md),
@@ -2287,6 +2438,13 @@ static int maybe_resize_metadata_dev(struct dm_target *ti, bool *need_commit)
2287 return -EINVAL; 2438 return -EINVAL;
2288 2439
2289 } else if (metadata_dev_size > sb_metadata_dev_size) { 2440 } else if (metadata_dev_size > sb_metadata_dev_size) {
2441 if (dm_pool_metadata_needs_check(pool->pmd)) {
2442 DMERR("%s: unable to grow the metadata device until repaired.",
2443 dm_device_name(pool->pool_md));
2444 return 0;
2445 }
2446
2447 warn_if_metadata_device_too_big(pool->md_dev);
2290 DMINFO("%s: growing the metadata device from %llu to %llu blocks", 2448 DMINFO("%s: growing the metadata device from %llu to %llu blocks",
2291 dm_device_name(pool->pool_md), 2449 dm_device_name(pool->pool_md),
2292 sb_metadata_dev_size, metadata_dev_size); 2450 sb_metadata_dev_size, metadata_dev_size);
@@ -2673,7 +2831,9 @@ static void pool_status(struct dm_target *ti, status_type_t type,
2673 else 2831 else
2674 DMEMIT("- "); 2832 DMEMIT("- ");
2675 2833
2676 if (pool->pf.mode == PM_READ_ONLY) 2834 if (pool->pf.mode == PM_OUT_OF_DATA_SPACE)
2835 DMEMIT("out_of_data_space ");
2836 else if (pool->pf.mode == PM_READ_ONLY)
2677 DMEMIT("ro "); 2837 DMEMIT("ro ");
2678 else 2838 else
2679 DMEMIT("rw "); 2839 DMEMIT("rw ");
@@ -2787,7 +2947,7 @@ static struct target_type pool_target = {
2787 .name = "thin-pool", 2947 .name = "thin-pool",
2788 .features = DM_TARGET_SINGLETON | DM_TARGET_ALWAYS_WRITEABLE | 2948 .features = DM_TARGET_SINGLETON | DM_TARGET_ALWAYS_WRITEABLE |
2789 DM_TARGET_IMMUTABLE, 2949 DM_TARGET_IMMUTABLE,
2790 .version = {1, 10, 0}, 2950 .version = {1, 11, 0},
2791 .module = THIS_MODULE, 2951 .module = THIS_MODULE,
2792 .ctr = pool_ctr, 2952 .ctr = pool_ctr,
2793 .dtr = pool_dtr, 2953 .dtr = pool_dtr,
@@ -2894,6 +3054,7 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv)
2894 3054
2895 if (get_pool_mode(tc->pool) == PM_FAIL) { 3055 if (get_pool_mode(tc->pool) == PM_FAIL) {
2896 ti->error = "Couldn't open thin device, Pool is in fail mode"; 3056 ti->error = "Couldn't open thin device, Pool is in fail mode";
3057 r = -EINVAL;
2897 goto bad_thin_open; 3058 goto bad_thin_open;
2898 } 3059 }
2899 3060
@@ -2905,7 +3066,7 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv)
2905 3066
2906 r = dm_set_target_max_io_len(ti, tc->pool->sectors_per_block); 3067 r = dm_set_target_max_io_len(ti, tc->pool->sectors_per_block);
2907 if (r) 3068 if (r)
2908 goto bad_thin_open; 3069 goto bad_target_max_io_len;
2909 3070
2910 ti->num_flush_bios = 1; 3071 ti->num_flush_bios = 1;
2911 ti->flush_supported = true; 3072 ti->flush_supported = true;
@@ -2926,6 +3087,8 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv)
2926 3087
2927 return 0; 3088 return 0;
2928 3089
3090bad_target_max_io_len:
3091 dm_pool_close_thin_device(tc->td);
2929bad_thin_open: 3092bad_thin_open:
2930 __pool_dec(tc->pool); 3093 __pool_dec(tc->pool);
2931bad_pool_lookup: 3094bad_pool_lookup:
@@ -2986,10 +3149,23 @@ static int thin_endio(struct dm_target *ti, struct bio *bio, int err)
2986 return 0; 3149 return 0;
2987} 3150}
2988 3151
2989static void thin_postsuspend(struct dm_target *ti) 3152static void thin_presuspend(struct dm_target *ti)
2990{ 3153{
3154 struct thin_c *tc = ti->private;
3155
2991 if (dm_noflush_suspending(ti)) 3156 if (dm_noflush_suspending(ti))
2992 requeue_io((struct thin_c *)ti->private); 3157 noflush_work(tc, do_noflush_start);
3158}
3159
3160static void thin_postsuspend(struct dm_target *ti)
3161{
3162 struct thin_c *tc = ti->private;
3163
3164 /*
3165 * The dm_noflush_suspending flag has been cleared by now, so
3166 * unfortunately we must always run this.
3167 */
3168 noflush_work(tc, do_noflush_stop);
2993} 3169}
2994 3170
2995/* 3171/*
@@ -3074,12 +3250,13 @@ static int thin_iterate_devices(struct dm_target *ti,
3074 3250
3075static struct target_type thin_target = { 3251static struct target_type thin_target = {
3076 .name = "thin", 3252 .name = "thin",
3077 .version = {1, 10, 0}, 3253 .version = {1, 11, 0},
3078 .module = THIS_MODULE, 3254 .module = THIS_MODULE,
3079 .ctr = thin_ctr, 3255 .ctr = thin_ctr,
3080 .dtr = thin_dtr, 3256 .dtr = thin_dtr,
3081 .map = thin_map, 3257 .map = thin_map,
3082 .end_io = thin_endio, 3258 .end_io = thin_endio,
3259 .presuspend = thin_presuspend,
3083 .postsuspend = thin_postsuspend, 3260 .postsuspend = thin_postsuspend,
3084 .status = thin_status, 3261 .status = thin_status,
3085 .iterate_devices = thin_iterate_devices, 3262 .iterate_devices = thin_iterate_devices,
diff --git a/drivers/md/persistent-data/Kconfig b/drivers/md/persistent-data/Kconfig
index 19b268795415..0c2dec7aec20 100644
--- a/drivers/md/persistent-data/Kconfig
+++ b/drivers/md/persistent-data/Kconfig
@@ -6,3 +6,13 @@ config DM_PERSISTENT_DATA
6 ---help--- 6 ---help---
7 Library providing immutable on-disk data structure support for 7 Library providing immutable on-disk data structure support for
8 device-mapper targets such as the thin provisioning target. 8 device-mapper targets such as the thin provisioning target.
9
10config DM_DEBUG_BLOCK_STACK_TRACING
11 boolean "Keep stack trace of persistent data block lock holders"
12 depends on STACKTRACE_SUPPORT && DM_PERSISTENT_DATA
13 select STACKTRACE
14 ---help---
15 Enable this for messages that may help debug problems with the
16 block manager locking used by thin provisioning and caching.
17
18 If unsure, say N.
diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c
index 536782e3bcb7..786b689bdfc7 100644
--- a/drivers/md/persistent-data/dm-space-map-metadata.c
+++ b/drivers/md/persistent-data/dm-space-map-metadata.c
@@ -91,6 +91,69 @@ struct block_op {
91 dm_block_t block; 91 dm_block_t block;
92}; 92};
93 93
94struct bop_ring_buffer {
95 unsigned begin;
96 unsigned end;
97 struct block_op bops[MAX_RECURSIVE_ALLOCATIONS + 1];
98};
99
100static void brb_init(struct bop_ring_buffer *brb)
101{
102 brb->begin = 0;
103 brb->end = 0;
104}
105
106static bool brb_empty(struct bop_ring_buffer *brb)
107{
108 return brb->begin == brb->end;
109}
110
111static unsigned brb_next(struct bop_ring_buffer *brb, unsigned old)
112{
113 unsigned r = old + 1;
114 return (r >= (sizeof(brb->bops) / sizeof(*brb->bops))) ? 0 : r;
115}
116
117static int brb_push(struct bop_ring_buffer *brb,
118 enum block_op_type type, dm_block_t b)
119{
120 struct block_op *bop;
121 unsigned next = brb_next(brb, brb->end);
122
123 /*
124 * We don't allow the last bop to be filled, this way we can
125 * differentiate between full and empty.
126 */
127 if (next == brb->begin)
128 return -ENOMEM;
129
130 bop = brb->bops + brb->end;
131 bop->type = type;
132 bop->block = b;
133
134 brb->end = next;
135
136 return 0;
137}
138
139static int brb_pop(struct bop_ring_buffer *brb, struct block_op *result)
140{
141 struct block_op *bop;
142
143 if (brb_empty(brb))
144 return -ENODATA;
145
146 bop = brb->bops + brb->begin;
147 result->type = bop->type;
148 result->block = bop->block;
149
150 brb->begin = brb_next(brb, brb->begin);
151
152 return 0;
153}
154
155/*----------------------------------------------------------------*/
156
94struct sm_metadata { 157struct sm_metadata {
95 struct dm_space_map sm; 158 struct dm_space_map sm;
96 159
@@ -101,25 +164,20 @@ struct sm_metadata {
101 164
102 unsigned recursion_count; 165 unsigned recursion_count;
103 unsigned allocated_this_transaction; 166 unsigned allocated_this_transaction;
104 unsigned nr_uncommitted; 167 struct bop_ring_buffer uncommitted;
105 struct block_op uncommitted[MAX_RECURSIVE_ALLOCATIONS];
106 168
107 struct threshold threshold; 169 struct threshold threshold;
108}; 170};
109 171
110static int add_bop(struct sm_metadata *smm, enum block_op_type type, dm_block_t b) 172static int add_bop(struct sm_metadata *smm, enum block_op_type type, dm_block_t b)
111{ 173{
112 struct block_op *op; 174 int r = brb_push(&smm->uncommitted, type, b);
113 175
114 if (smm->nr_uncommitted == MAX_RECURSIVE_ALLOCATIONS) { 176 if (r) {
115 DMERR("too many recursive allocations"); 177 DMERR("too many recursive allocations");
116 return -ENOMEM; 178 return -ENOMEM;
117 } 179 }
118 180
119 op = smm->uncommitted + smm->nr_uncommitted++;
120 op->type = type;
121 op->block = b;
122
123 return 0; 181 return 0;
124} 182}
125 183
@@ -158,11 +216,17 @@ static int out(struct sm_metadata *smm)
158 return -ENOMEM; 216 return -ENOMEM;
159 } 217 }
160 218
161 if (smm->recursion_count == 1 && smm->nr_uncommitted) { 219 if (smm->recursion_count == 1) {
162 while (smm->nr_uncommitted && !r) { 220 while (!brb_empty(&smm->uncommitted)) {
163 smm->nr_uncommitted--; 221 struct block_op bop;
164 r = commit_bop(smm, smm->uncommitted + 222
165 smm->nr_uncommitted); 223 r = brb_pop(&smm->uncommitted, &bop);
224 if (r) {
225 DMERR("bug in bop ring buffer");
226 break;
227 }
228
229 r = commit_bop(smm, &bop);
166 if (r) 230 if (r)
167 break; 231 break;
168 } 232 }
@@ -217,7 +281,8 @@ static int sm_metadata_get_nr_free(struct dm_space_map *sm, dm_block_t *count)
217static int sm_metadata_get_count(struct dm_space_map *sm, dm_block_t b, 281static int sm_metadata_get_count(struct dm_space_map *sm, dm_block_t b,
218 uint32_t *result) 282 uint32_t *result)
219{ 283{
220 int r, i; 284 int r;
285 unsigned i;
221 struct sm_metadata *smm = container_of(sm, struct sm_metadata, sm); 286 struct sm_metadata *smm = container_of(sm, struct sm_metadata, sm);
222 unsigned adjustment = 0; 287 unsigned adjustment = 0;
223 288
@@ -225,8 +290,10 @@ static int sm_metadata_get_count(struct dm_space_map *sm, dm_block_t b,
225 * We may have some uncommitted adjustments to add. This list 290 * We may have some uncommitted adjustments to add. This list
226 * should always be really short. 291 * should always be really short.
227 */ 292 */
228 for (i = 0; i < smm->nr_uncommitted; i++) { 293 for (i = smm->uncommitted.begin;
229 struct block_op *op = smm->uncommitted + i; 294 i != smm->uncommitted.end;
295 i = brb_next(&smm->uncommitted, i)) {
296 struct block_op *op = smm->uncommitted.bops + i;
230 297
231 if (op->block != b) 298 if (op->block != b)
232 continue; 299 continue;
@@ -254,7 +321,8 @@ static int sm_metadata_get_count(struct dm_space_map *sm, dm_block_t b,
254static int sm_metadata_count_is_more_than_one(struct dm_space_map *sm, 321static int sm_metadata_count_is_more_than_one(struct dm_space_map *sm,
255 dm_block_t b, int *result) 322 dm_block_t b, int *result)
256{ 323{
257 int r, i, adjustment = 0; 324 int r, adjustment = 0;
325 unsigned i;
258 struct sm_metadata *smm = container_of(sm, struct sm_metadata, sm); 326 struct sm_metadata *smm = container_of(sm, struct sm_metadata, sm);
259 uint32_t rc; 327 uint32_t rc;
260 328
@@ -262,8 +330,11 @@ static int sm_metadata_count_is_more_than_one(struct dm_space_map *sm,
262 * We may have some uncommitted adjustments to add. This list 330 * We may have some uncommitted adjustments to add. This list
263 * should always be really short. 331 * should always be really short.
264 */ 332 */
265 for (i = 0; i < smm->nr_uncommitted; i++) { 333 for (i = smm->uncommitted.begin;
266 struct block_op *op = smm->uncommitted + i; 334 i != smm->uncommitted.end;
335 i = brb_next(&smm->uncommitted, i)) {
336
337 struct block_op *op = smm->uncommitted.bops + i;
267 338
268 if (op->block != b) 339 if (op->block != b)
269 continue; 340 continue;
@@ -671,7 +742,7 @@ int dm_sm_metadata_create(struct dm_space_map *sm,
671 smm->begin = superblock + 1; 742 smm->begin = superblock + 1;
672 smm->recursion_count = 0; 743 smm->recursion_count = 0;
673 smm->allocated_this_transaction = 0; 744 smm->allocated_this_transaction = 0;
674 smm->nr_uncommitted = 0; 745 brb_init(&smm->uncommitted);
675 threshold_init(&smm->threshold); 746 threshold_init(&smm->threshold);
676 747
677 memcpy(&smm->sm, &bootstrap_ops, sizeof(smm->sm)); 748 memcpy(&smm->sm, &bootstrap_ops, sizeof(smm->sm));
@@ -680,6 +751,8 @@ int dm_sm_metadata_create(struct dm_space_map *sm,
680 if (r) 751 if (r)
681 return r; 752 return r;
682 753
754 if (nr_blocks > DM_SM_METADATA_MAX_BLOCKS)
755 nr_blocks = DM_SM_METADATA_MAX_BLOCKS;
683 r = sm_ll_extend(&smm->ll, nr_blocks); 756 r = sm_ll_extend(&smm->ll, nr_blocks);
684 if (r) 757 if (r)
685 return r; 758 return r;
@@ -713,7 +786,7 @@ int dm_sm_metadata_open(struct dm_space_map *sm,
713 smm->begin = 0; 786 smm->begin = 0;
714 smm->recursion_count = 0; 787 smm->recursion_count = 0;
715 smm->allocated_this_transaction = 0; 788 smm->allocated_this_transaction = 0;
716 smm->nr_uncommitted = 0; 789 brb_init(&smm->uncommitted);
717 threshold_init(&smm->threshold); 790 threshold_init(&smm->threshold);
718 791
719 memcpy(&smm->old_ll, &smm->ll, sizeof(smm->old_ll)); 792 memcpy(&smm->old_ll, &smm->ll, sizeof(smm->old_ll));
diff --git a/drivers/md/persistent-data/dm-space-map-metadata.h b/drivers/md/persistent-data/dm-space-map-metadata.h
index 39bba0801cf2..64df923974d8 100644
--- a/drivers/md/persistent-data/dm-space-map-metadata.h
+++ b/drivers/md/persistent-data/dm-space-map-metadata.h
@@ -9,6 +9,17 @@
9 9
10#include "dm-transaction-manager.h" 10#include "dm-transaction-manager.h"
11 11
12#define DM_SM_METADATA_BLOCK_SIZE (4096 >> SECTOR_SHIFT)
13
14/*
15 * The metadata device is currently limited in size.
16 *
17 * We have one block of index, which can hold 255 index entries. Each
18 * index entry contains allocation info about ~16k metadata blocks.
19 */
20#define DM_SM_METADATA_MAX_BLOCKS (255 * ((1 << 14) - 64))
21#define DM_SM_METADATA_MAX_SECTORS (DM_SM_METADATA_MAX_BLOCKS * DM_SM_METADATA_BLOCK_SIZE)
22
12/* 23/*
13 * Unfortunately we have to use two-phase construction due to the cycle 24 * Unfortunately we have to use two-phase construction due to the cycle
14 * between the tm and sm. 25 * between the tm and sm.
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 59eba5d2c685..9715a7ba164a 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1584,7 +1584,7 @@ read_retry:
1584 } 1584 }
1585 1585
1586 if (mtd->ecc_stats.failed - ecc_failures) { 1586 if (mtd->ecc_stats.failed - ecc_failures) {
1587 if (retry_mode + 1 <= chip->read_retries) { 1587 if (retry_mode + 1 < chip->read_retries) {
1588 retry_mode++; 1588 retry_mode++;
1589 ret = nand_setup_read_retry(mtd, 1589 ret = nand_setup_read_retry(mtd,
1590 retry_mode); 1590 retry_mode);
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index ef4190a02b7b..bf642ceef681 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -1633,6 +1633,7 @@ static int omap_nand_probe(struct platform_device *pdev)
1633 int i; 1633 int i;
1634 dma_cap_mask_t mask; 1634 dma_cap_mask_t mask;
1635 unsigned sig; 1635 unsigned sig;
1636 unsigned oob_index;
1636 struct resource *res; 1637 struct resource *res;
1637 struct mtd_part_parser_data ppdata = {}; 1638 struct mtd_part_parser_data ppdata = {};
1638 1639
@@ -1826,11 +1827,14 @@ static int omap_nand_probe(struct platform_device *pdev)
1826 (mtd->writesize / 1827 (mtd->writesize /
1827 nand_chip->ecc.size); 1828 nand_chip->ecc.size);
1828 if (nand_chip->options & NAND_BUSWIDTH_16) 1829 if (nand_chip->options & NAND_BUSWIDTH_16)
1829 ecclayout->eccpos[0] = BADBLOCK_MARKER_LENGTH; 1830 oob_index = BADBLOCK_MARKER_LENGTH;
1830 else 1831 else
1831 ecclayout->eccpos[0] = 1; 1832 oob_index = 1;
1832 ecclayout->oobfree->offset = ecclayout->eccpos[0] + 1833 for (i = 0; i < ecclayout->eccbytes; i++, oob_index++)
1833 ecclayout->eccbytes; 1834 ecclayout->eccpos[i] = oob_index;
1835 /* no reserved-marker in ecclayout for this ecc-scheme */
1836 ecclayout->oobfree->offset =
1837 ecclayout->eccpos[ecclayout->eccbytes - 1] + 1;
1834 break; 1838 break;
1835 1839
1836 case OMAP_ECC_BCH4_CODE_HW_DETECTION_SW: 1840 case OMAP_ECC_BCH4_CODE_HW_DETECTION_SW:
@@ -1847,9 +1851,15 @@ static int omap_nand_probe(struct platform_device *pdev)
1847 ecclayout->eccbytes = nand_chip->ecc.bytes * 1851 ecclayout->eccbytes = nand_chip->ecc.bytes *
1848 (mtd->writesize / 1852 (mtd->writesize /
1849 nand_chip->ecc.size); 1853 nand_chip->ecc.size);
1850 ecclayout->eccpos[0] = BADBLOCK_MARKER_LENGTH; 1854 oob_index = BADBLOCK_MARKER_LENGTH;
1851 ecclayout->oobfree->offset = ecclayout->eccpos[0] + 1855 for (i = 0; i < ecclayout->eccbytes; i++, oob_index++) {
1852 ecclayout->eccbytes; 1856 ecclayout->eccpos[i] = oob_index;
1857 if (((i + 1) % nand_chip->ecc.bytes) == 0)
1858 oob_index++;
1859 }
1860 /* include reserved-marker in ecclayout->oobfree calculation */
1861 ecclayout->oobfree->offset = 1 +
1862 ecclayout->eccpos[ecclayout->eccbytes - 1] + 1;
1853 /* software bch library is used for locating errors */ 1863 /* software bch library is used for locating errors */
1854 nand_chip->ecc.priv = nand_bch_init(mtd, 1864 nand_chip->ecc.priv = nand_bch_init(mtd,
1855 nand_chip->ecc.size, 1865 nand_chip->ecc.size,
@@ -1883,9 +1893,12 @@ static int omap_nand_probe(struct platform_device *pdev)
1883 ecclayout->eccbytes = nand_chip->ecc.bytes * 1893 ecclayout->eccbytes = nand_chip->ecc.bytes *
1884 (mtd->writesize / 1894 (mtd->writesize /
1885 nand_chip->ecc.size); 1895 nand_chip->ecc.size);
1886 ecclayout->eccpos[0] = BADBLOCK_MARKER_LENGTH; 1896 oob_index = BADBLOCK_MARKER_LENGTH;
1887 ecclayout->oobfree->offset = ecclayout->eccpos[0] + 1897 for (i = 0; i < ecclayout->eccbytes; i++, oob_index++)
1888 ecclayout->eccbytes; 1898 ecclayout->eccpos[i] = oob_index;
1899 /* reserved marker already included in ecclayout->eccbytes */
1900 ecclayout->oobfree->offset =
1901 ecclayout->eccpos[ecclayout->eccbytes - 1] + 1;
1889 /* This ECC scheme requires ELM H/W block */ 1902 /* This ECC scheme requires ELM H/W block */
1890 if (is_elm_present(info, pdata->elm_of_node, BCH4_ECC) < 0) { 1903 if (is_elm_present(info, pdata->elm_of_node, BCH4_ECC) < 0) {
1891 pr_err("nand: error: could not initialize ELM\n"); 1904 pr_err("nand: error: could not initialize ELM\n");
@@ -1913,9 +1926,15 @@ static int omap_nand_probe(struct platform_device *pdev)
1913 ecclayout->eccbytes = nand_chip->ecc.bytes * 1926 ecclayout->eccbytes = nand_chip->ecc.bytes *
1914 (mtd->writesize / 1927 (mtd->writesize /
1915 nand_chip->ecc.size); 1928 nand_chip->ecc.size);
1916 ecclayout->eccpos[0] = BADBLOCK_MARKER_LENGTH; 1929 oob_index = BADBLOCK_MARKER_LENGTH;
1917 ecclayout->oobfree->offset = ecclayout->eccpos[0] + 1930 for (i = 0; i < ecclayout->eccbytes; i++, oob_index++) {
1918 ecclayout->eccbytes; 1931 ecclayout->eccpos[i] = oob_index;
1932 if (((i + 1) % nand_chip->ecc.bytes) == 0)
1933 oob_index++;
1934 }
1935 /* include reserved-marker in ecclayout->oobfree calculation */
1936 ecclayout->oobfree->offset = 1 +
1937 ecclayout->eccpos[ecclayout->eccbytes - 1] + 1;
1919 /* software bch library is used for locating errors */ 1938 /* software bch library is used for locating errors */
1920 nand_chip->ecc.priv = nand_bch_init(mtd, 1939 nand_chip->ecc.priv = nand_bch_init(mtd,
1921 nand_chip->ecc.size, 1940 nand_chip->ecc.size,
@@ -1956,9 +1975,12 @@ static int omap_nand_probe(struct platform_device *pdev)
1956 ecclayout->eccbytes = nand_chip->ecc.bytes * 1975 ecclayout->eccbytes = nand_chip->ecc.bytes *
1957 (mtd->writesize / 1976 (mtd->writesize /
1958 nand_chip->ecc.size); 1977 nand_chip->ecc.size);
1959 ecclayout->eccpos[0] = BADBLOCK_MARKER_LENGTH; 1978 oob_index = BADBLOCK_MARKER_LENGTH;
1960 ecclayout->oobfree->offset = ecclayout->eccpos[0] + 1979 for (i = 0; i < ecclayout->eccbytes; i++, oob_index++)
1961 ecclayout->eccbytes; 1980 ecclayout->eccpos[i] = oob_index;
1981 /* reserved marker already included in ecclayout->eccbytes */
1982 ecclayout->oobfree->offset =
1983 ecclayout->eccpos[ecclayout->eccbytes - 1] + 1;
1962 break; 1984 break;
1963#else 1985#else
1964 pr_err("nand: error: CONFIG_MTD_NAND_OMAP_BCH not enabled\n"); 1986 pr_err("nand: error: CONFIG_MTD_NAND_OMAP_BCH not enabled\n");
@@ -1972,11 +1994,8 @@ static int omap_nand_probe(struct platform_device *pdev)
1972 goto return_error; 1994 goto return_error;
1973 } 1995 }
1974 1996
1975 /* populate remaining ECC layout data */ 1997 /* all OOB bytes from oobfree->offset till end off OOB are free */
1976 ecclayout->oobfree->length = mtd->oobsize - (BADBLOCK_MARKER_LENGTH + 1998 ecclayout->oobfree->length = mtd->oobsize - ecclayout->oobfree->offset;
1977 ecclayout->eccbytes);
1978 for (i = 1; i < ecclayout->eccbytes; i++)
1979 ecclayout->eccpos[i] = ecclayout->eccpos[0] + i;
1980 /* check if NAND device's OOB is enough to store ECC signatures */ 1999 /* check if NAND device's OOB is enough to store ECC signatures */
1981 if (mtd->oobsize < (ecclayout->eccbytes + BADBLOCK_MARKER_LENGTH)) { 2000 if (mtd->oobsize < (ecclayout->eccbytes + BADBLOCK_MARKER_LENGTH)) {
1982 pr_err("not enough OOB bytes required = %d, available=%d\n", 2001 pr_err("not enough OOB bytes required = %d, available=%d\n",
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index ead861307b3c..c5dad652614d 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -463,8 +463,8 @@ static int scan_pool(struct ubi_device *ubi, struct ubi_attach_info *ai,
463 } 463 }
464 } 464 }
465 if (found_orphan) { 465 if (found_orphan) {
466 kmem_cache_free(ai->aeb_slab_cache, tmp_aeb);
467 list_del(&tmp_aeb->u.list); 466 list_del(&tmp_aeb->u.list);
467 kmem_cache_free(ai->aeb_slab_cache, tmp_aeb);
468 } 468 }
469 469
470 new_aeb = kmem_cache_alloc(ai->aeb_slab_cache, 470 new_aeb = kmem_cache_alloc(ai->aeb_slab_cache,
@@ -846,16 +846,16 @@ fail_bad:
846 ret = UBI_BAD_FASTMAP; 846 ret = UBI_BAD_FASTMAP;
847fail: 847fail:
848 list_for_each_entry_safe(tmp_aeb, _tmp_aeb, &used, u.list) { 848 list_for_each_entry_safe(tmp_aeb, _tmp_aeb, &used, u.list) {
849 kmem_cache_free(ai->aeb_slab_cache, tmp_aeb);
850 list_del(&tmp_aeb->u.list); 849 list_del(&tmp_aeb->u.list);
850 kmem_cache_free(ai->aeb_slab_cache, tmp_aeb);
851 } 851 }
852 list_for_each_entry_safe(tmp_aeb, _tmp_aeb, &eba_orphans, u.list) { 852 list_for_each_entry_safe(tmp_aeb, _tmp_aeb, &eba_orphans, u.list) {
853 kmem_cache_free(ai->aeb_slab_cache, tmp_aeb);
854 list_del(&tmp_aeb->u.list); 853 list_del(&tmp_aeb->u.list);
854 kmem_cache_free(ai->aeb_slab_cache, tmp_aeb);
855 } 855 }
856 list_for_each_entry_safe(tmp_aeb, _tmp_aeb, &free, u.list) { 856 list_for_each_entry_safe(tmp_aeb, _tmp_aeb, &free, u.list) {
857 kmem_cache_free(ai->aeb_slab_cache, tmp_aeb);
858 list_del(&tmp_aeb->u.list); 857 list_del(&tmp_aeb->u.list);
858 kmem_cache_free(ai->aeb_slab_cache, tmp_aeb);
859 } 859 }
860 860
861 return ret; 861 return ret;
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 6d20fbde8d43..dcde56057fe1 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -181,7 +181,7 @@ static inline int __agg_has_partner(struct aggregator *agg)
181 */ 181 */
182static inline void __disable_port(struct port *port) 182static inline void __disable_port(struct port *port)
183{ 183{
184 bond_set_slave_inactive_flags(port->slave); 184 bond_set_slave_inactive_flags(port->slave, BOND_SLAVE_NOTIFY_LATER);
185} 185}
186 186
187/** 187/**
@@ -193,7 +193,7 @@ static inline void __enable_port(struct port *port)
193 struct slave *slave = port->slave; 193 struct slave *slave = port->slave;
194 194
195 if ((slave->link == BOND_LINK_UP) && IS_UP(slave->dev)) 195 if ((slave->link == BOND_LINK_UP) && IS_UP(slave->dev))
196 bond_set_slave_active_flags(slave); 196 bond_set_slave_active_flags(slave, BOND_SLAVE_NOTIFY_LATER);
197} 197}
198 198
199/** 199/**
@@ -2062,6 +2062,7 @@ void bond_3ad_state_machine_handler(struct work_struct *work)
2062 struct list_head *iter; 2062 struct list_head *iter;
2063 struct slave *slave; 2063 struct slave *slave;
2064 struct port *port; 2064 struct port *port;
2065 bool should_notify_rtnl = BOND_SLAVE_NOTIFY_LATER;
2065 2066
2066 read_lock(&bond->lock); 2067 read_lock(&bond->lock);
2067 rcu_read_lock(); 2068 rcu_read_lock();
@@ -2119,8 +2120,19 @@ void bond_3ad_state_machine_handler(struct work_struct *work)
2119 } 2120 }
2120 2121
2121re_arm: 2122re_arm:
2123 bond_for_each_slave_rcu(bond, slave, iter) {
2124 if (slave->should_notify) {
2125 should_notify_rtnl = BOND_SLAVE_NOTIFY_NOW;
2126 break;
2127 }
2128 }
2122 rcu_read_unlock(); 2129 rcu_read_unlock();
2123 read_unlock(&bond->lock); 2130 read_unlock(&bond->lock);
2131
2132 if (should_notify_rtnl && rtnl_trylock()) {
2133 bond_slave_state_notify(bond);
2134 rtnl_unlock();
2135 }
2124 queue_delayed_work(bond->wq, &bond->ad_work, ad_delta_in_ticks); 2136 queue_delayed_work(bond->wq, &bond->ad_work, ad_delta_in_ticks);
2125} 2137}
2126 2138
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 1c6104d3501d..e5628fc725c3 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -829,21 +829,25 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active)
829 if (bond_is_lb(bond)) { 829 if (bond_is_lb(bond)) {
830 bond_alb_handle_active_change(bond, new_active); 830 bond_alb_handle_active_change(bond, new_active);
831 if (old_active) 831 if (old_active)
832 bond_set_slave_inactive_flags(old_active); 832 bond_set_slave_inactive_flags(old_active,
833 BOND_SLAVE_NOTIFY_NOW);
833 if (new_active) 834 if (new_active)
834 bond_set_slave_active_flags(new_active); 835 bond_set_slave_active_flags(new_active,
836 BOND_SLAVE_NOTIFY_NOW);
835 } else { 837 } else {
836 rcu_assign_pointer(bond->curr_active_slave, new_active); 838 rcu_assign_pointer(bond->curr_active_slave, new_active);
837 } 839 }
838 840
839 if (bond->params.mode == BOND_MODE_ACTIVEBACKUP) { 841 if (bond->params.mode == BOND_MODE_ACTIVEBACKUP) {
840 if (old_active) 842 if (old_active)
841 bond_set_slave_inactive_flags(old_active); 843 bond_set_slave_inactive_flags(old_active,
844 BOND_SLAVE_NOTIFY_NOW);
842 845
843 if (new_active) { 846 if (new_active) {
844 bool should_notify_peers = false; 847 bool should_notify_peers = false;
845 848
846 bond_set_slave_active_flags(new_active); 849 bond_set_slave_active_flags(new_active,
850 BOND_SLAVE_NOTIFY_NOW);
847 851
848 if (bond->params.fail_over_mac) 852 if (bond->params.fail_over_mac)
849 bond_do_fail_over_mac(bond, new_active, 853 bond_do_fail_over_mac(bond, new_active,
@@ -1193,6 +1197,11 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
1193 return -EBUSY; 1197 return -EBUSY;
1194 } 1198 }
1195 1199
1200 if (bond_dev == slave_dev) {
1201 pr_err("%s: cannot enslave bond to itself.\n", bond_dev->name);
1202 return -EPERM;
1203 }
1204
1196 /* vlan challenged mutual exclusion */ 1205 /* vlan challenged mutual exclusion */
1197 /* no need to lock since we're protected by rtnl_lock */ 1206 /* no need to lock since we're protected by rtnl_lock */
1198 if (slave_dev->features & NETIF_F_VLAN_CHALLENGED) { 1207 if (slave_dev->features & NETIF_F_VLAN_CHALLENGED) {
@@ -1463,14 +1472,15 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
1463 1472
1464 switch (bond->params.mode) { 1473 switch (bond->params.mode) {
1465 case BOND_MODE_ACTIVEBACKUP: 1474 case BOND_MODE_ACTIVEBACKUP:
1466 bond_set_slave_inactive_flags(new_slave); 1475 bond_set_slave_inactive_flags(new_slave,
1476 BOND_SLAVE_NOTIFY_NOW);
1467 break; 1477 break;
1468 case BOND_MODE_8023AD: 1478 case BOND_MODE_8023AD:
1469 /* in 802.3ad mode, the internal mechanism 1479 /* in 802.3ad mode, the internal mechanism
1470 * will activate the slaves in the selected 1480 * will activate the slaves in the selected
1471 * aggregator 1481 * aggregator
1472 */ 1482 */
1473 bond_set_slave_inactive_flags(new_slave); 1483 bond_set_slave_inactive_flags(new_slave, BOND_SLAVE_NOTIFY_NOW);
1474 /* if this is the first slave */ 1484 /* if this is the first slave */
1475 if (!prev_slave) { 1485 if (!prev_slave) {
1476 SLAVE_AD_INFO(new_slave).id = 1; 1486 SLAVE_AD_INFO(new_slave).id = 1;
@@ -1488,7 +1498,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
1488 case BOND_MODE_TLB: 1498 case BOND_MODE_TLB:
1489 case BOND_MODE_ALB: 1499 case BOND_MODE_ALB:
1490 bond_set_active_slave(new_slave); 1500 bond_set_active_slave(new_slave);
1491 bond_set_slave_inactive_flags(new_slave); 1501 bond_set_slave_inactive_flags(new_slave, BOND_SLAVE_NOTIFY_NOW);
1492 break; 1502 break;
1493 default: 1503 default:
1494 pr_debug("This slave is always active in trunk mode\n"); 1504 pr_debug("This slave is always active in trunk mode\n");
@@ -1654,9 +1664,6 @@ static int __bond_release_one(struct net_device *bond_dev,
1654 return -EINVAL; 1664 return -EINVAL;
1655 } 1665 }
1656 1666
1657 /* release the slave from its bond */
1658 bond->slave_cnt--;
1659
1660 bond_sysfs_slave_del(slave); 1667 bond_sysfs_slave_del(slave);
1661 1668
1662 bond_upper_dev_unlink(bond_dev, slave_dev); 1669 bond_upper_dev_unlink(bond_dev, slave_dev);
@@ -1738,6 +1745,7 @@ static int __bond_release_one(struct net_device *bond_dev,
1738 1745
1739 unblock_netpoll_tx(); 1746 unblock_netpoll_tx();
1740 synchronize_rcu(); 1747 synchronize_rcu();
1748 bond->slave_cnt--;
1741 1749
1742 if (!bond_has_slaves(bond)) { 1750 if (!bond_has_slaves(bond)) {
1743 call_netdevice_notifiers(NETDEV_CHANGEADDR, bond->dev); 1751 call_netdevice_notifiers(NETDEV_CHANGEADDR, bond->dev);
@@ -2015,7 +2023,8 @@ static void bond_miimon_commit(struct bonding *bond)
2015 2023
2016 if (bond->params.mode == BOND_MODE_ACTIVEBACKUP || 2024 if (bond->params.mode == BOND_MODE_ACTIVEBACKUP ||
2017 bond->params.mode == BOND_MODE_8023AD) 2025 bond->params.mode == BOND_MODE_8023AD)
2018 bond_set_slave_inactive_flags(slave); 2026 bond_set_slave_inactive_flags(slave,
2027 BOND_SLAVE_NOTIFY_NOW);
2019 2028
2020 pr_info("%s: link status definitely down for interface %s, disabling it\n", 2029 pr_info("%s: link status definitely down for interface %s, disabling it\n",
2021 bond->dev->name, slave->dev->name); 2030 bond->dev->name, slave->dev->name);
@@ -2562,7 +2571,8 @@ static void bond_ab_arp_commit(struct bonding *bond)
2562 slave->link = BOND_LINK_UP; 2571 slave->link = BOND_LINK_UP;
2563 if (bond->current_arp_slave) { 2572 if (bond->current_arp_slave) {
2564 bond_set_slave_inactive_flags( 2573 bond_set_slave_inactive_flags(
2565 bond->current_arp_slave); 2574 bond->current_arp_slave,
2575 BOND_SLAVE_NOTIFY_NOW);
2566 bond->current_arp_slave = NULL; 2576 bond->current_arp_slave = NULL;
2567 } 2577 }
2568 2578
@@ -2582,7 +2592,8 @@ static void bond_ab_arp_commit(struct bonding *bond)
2582 slave->link_failure_count++; 2592 slave->link_failure_count++;
2583 2593
2584 slave->link = BOND_LINK_DOWN; 2594 slave->link = BOND_LINK_DOWN;
2585 bond_set_slave_inactive_flags(slave); 2595 bond_set_slave_inactive_flags(slave,
2596 BOND_SLAVE_NOTIFY_NOW);
2586 2597
2587 pr_info("%s: link status definitely down for interface %s, disabling it\n", 2598 pr_info("%s: link status definitely down for interface %s, disabling it\n",
2588 bond->dev->name, slave->dev->name); 2599 bond->dev->name, slave->dev->name);
@@ -2615,17 +2626,17 @@ do_failover:
2615 2626
2616/* 2627/*
2617 * Send ARP probes for active-backup mode ARP monitor. 2628 * Send ARP probes for active-backup mode ARP monitor.
2629 *
2630 * Called with rcu_read_lock hold.
2618 */ 2631 */
2619static bool bond_ab_arp_probe(struct bonding *bond) 2632static bool bond_ab_arp_probe(struct bonding *bond)
2620{ 2633{
2621 struct slave *slave, *before = NULL, *new_slave = NULL, 2634 struct slave *slave, *before = NULL, *new_slave = NULL,
2622 *curr_arp_slave, *curr_active_slave; 2635 *curr_arp_slave = rcu_dereference(bond->current_arp_slave),
2636 *curr_active_slave = rcu_dereference(bond->curr_active_slave);
2623 struct list_head *iter; 2637 struct list_head *iter;
2624 bool found = false; 2638 bool found = false;
2625 2639 bool should_notify_rtnl = BOND_SLAVE_NOTIFY_LATER;
2626 rcu_read_lock();
2627 curr_arp_slave = rcu_dereference(bond->current_arp_slave);
2628 curr_active_slave = rcu_dereference(bond->curr_active_slave);
2629 2640
2630 if (curr_arp_slave && curr_active_slave) 2641 if (curr_arp_slave && curr_active_slave)
2631 pr_info("PROBE: c_arp %s && cas %s BAD\n", 2642 pr_info("PROBE: c_arp %s && cas %s BAD\n",
@@ -2634,32 +2645,23 @@ static bool bond_ab_arp_probe(struct bonding *bond)
2634 2645
2635 if (curr_active_slave) { 2646 if (curr_active_slave) {
2636 bond_arp_send_all(bond, curr_active_slave); 2647 bond_arp_send_all(bond, curr_active_slave);
2637 rcu_read_unlock(); 2648 return should_notify_rtnl;
2638 return true;
2639 } 2649 }
2640 rcu_read_unlock();
2641 2650
2642 /* if we don't have a curr_active_slave, search for the next available 2651 /* if we don't have a curr_active_slave, search for the next available
2643 * backup slave from the current_arp_slave and make it the candidate 2652 * backup slave from the current_arp_slave and make it the candidate
2644 * for becoming the curr_active_slave 2653 * for becoming the curr_active_slave
2645 */ 2654 */
2646 2655
2647 if (!rtnl_trylock())
2648 return false;
2649 /* curr_arp_slave might have gone away */
2650 curr_arp_slave = ACCESS_ONCE(bond->current_arp_slave);
2651
2652 if (!curr_arp_slave) { 2656 if (!curr_arp_slave) {
2653 curr_arp_slave = bond_first_slave(bond); 2657 curr_arp_slave = bond_first_slave_rcu(bond);
2654 if (!curr_arp_slave) { 2658 if (!curr_arp_slave)
2655 rtnl_unlock(); 2659 return should_notify_rtnl;
2656 return true;
2657 }
2658 } 2660 }
2659 2661
2660 bond_set_slave_inactive_flags(curr_arp_slave); 2662 bond_set_slave_inactive_flags(curr_arp_slave, BOND_SLAVE_NOTIFY_LATER);
2661 2663
2662 bond_for_each_slave(bond, slave, iter) { 2664 bond_for_each_slave_rcu(bond, slave, iter) {
2663 if (!found && !before && IS_UP(slave->dev)) 2665 if (!found && !before && IS_UP(slave->dev))
2664 before = slave; 2666 before = slave;
2665 2667
@@ -2677,7 +2679,8 @@ static bool bond_ab_arp_probe(struct bonding *bond)
2677 if (slave->link_failure_count < UINT_MAX) 2679 if (slave->link_failure_count < UINT_MAX)
2678 slave->link_failure_count++; 2680 slave->link_failure_count++;
2679 2681
2680 bond_set_slave_inactive_flags(slave); 2682 bond_set_slave_inactive_flags(slave,
2683 BOND_SLAVE_NOTIFY_LATER);
2681 2684
2682 pr_info("%s: backup interface %s is now down.\n", 2685 pr_info("%s: backup interface %s is now down.\n",
2683 bond->dev->name, slave->dev->name); 2686 bond->dev->name, slave->dev->name);
@@ -2689,26 +2692,31 @@ static bool bond_ab_arp_probe(struct bonding *bond)
2689 if (!new_slave && before) 2692 if (!new_slave && before)
2690 new_slave = before; 2693 new_slave = before;
2691 2694
2692 if (!new_slave) { 2695 if (!new_slave)
2693 rtnl_unlock(); 2696 goto check_state;
2694 return true;
2695 }
2696 2697
2697 new_slave->link = BOND_LINK_BACK; 2698 new_slave->link = BOND_LINK_BACK;
2698 bond_set_slave_active_flags(new_slave); 2699 bond_set_slave_active_flags(new_slave, BOND_SLAVE_NOTIFY_LATER);
2699 bond_arp_send_all(bond, new_slave); 2700 bond_arp_send_all(bond, new_slave);
2700 new_slave->jiffies = jiffies; 2701 new_slave->jiffies = jiffies;
2701 rcu_assign_pointer(bond->current_arp_slave, new_slave); 2702 rcu_assign_pointer(bond->current_arp_slave, new_slave);
2702 rtnl_unlock();
2703 2703
2704 return true; 2704check_state:
2705 bond_for_each_slave_rcu(bond, slave, iter) {
2706 if (slave->should_notify) {
2707 should_notify_rtnl = BOND_SLAVE_NOTIFY_NOW;
2708 break;
2709 }
2710 }
2711 return should_notify_rtnl;
2705} 2712}
2706 2713
2707static void bond_activebackup_arp_mon(struct work_struct *work) 2714static void bond_activebackup_arp_mon(struct work_struct *work)
2708{ 2715{
2709 struct bonding *bond = container_of(work, struct bonding, 2716 struct bonding *bond = container_of(work, struct bonding,
2710 arp_work.work); 2717 arp_work.work);
2711 bool should_notify_peers = false, should_commit = false; 2718 bool should_notify_peers = false;
2719 bool should_notify_rtnl = false;
2712 int delta_in_ticks; 2720 int delta_in_ticks;
2713 2721
2714 delta_in_ticks = msecs_to_jiffies(bond->params.arp_interval); 2722 delta_in_ticks = msecs_to_jiffies(bond->params.arp_interval);
@@ -2717,11 +2725,12 @@ static void bond_activebackup_arp_mon(struct work_struct *work)
2717 goto re_arm; 2725 goto re_arm;
2718 2726
2719 rcu_read_lock(); 2727 rcu_read_lock();
2728
2720 should_notify_peers = bond_should_notify_peers(bond); 2729 should_notify_peers = bond_should_notify_peers(bond);
2721 should_commit = bond_ab_arp_inspect(bond);
2722 rcu_read_unlock();
2723 2730
2724 if (should_commit) { 2731 if (bond_ab_arp_inspect(bond)) {
2732 rcu_read_unlock();
2733
2725 /* Race avoidance with bond_close flush of workqueue */ 2734 /* Race avoidance with bond_close flush of workqueue */
2726 if (!rtnl_trylock()) { 2735 if (!rtnl_trylock()) {
2727 delta_in_ticks = 1; 2736 delta_in_ticks = 1;
@@ -2730,23 +2739,28 @@ static void bond_activebackup_arp_mon(struct work_struct *work)
2730 } 2739 }
2731 2740
2732 bond_ab_arp_commit(bond); 2741 bond_ab_arp_commit(bond);
2742
2733 rtnl_unlock(); 2743 rtnl_unlock();
2744 rcu_read_lock();
2734 } 2745 }
2735 2746
2736 if (!bond_ab_arp_probe(bond)) { 2747 should_notify_rtnl = bond_ab_arp_probe(bond);
2737 /* rtnl locking failed, re-arm */ 2748 rcu_read_unlock();
2738 delta_in_ticks = 1;
2739 should_notify_peers = false;
2740 }
2741 2749
2742re_arm: 2750re_arm:
2743 if (bond->params.arp_interval) 2751 if (bond->params.arp_interval)
2744 queue_delayed_work(bond->wq, &bond->arp_work, delta_in_ticks); 2752 queue_delayed_work(bond->wq, &bond->arp_work, delta_in_ticks);
2745 2753
2746 if (should_notify_peers) { 2754 if (should_notify_peers || should_notify_rtnl) {
2747 if (!rtnl_trylock()) 2755 if (!rtnl_trylock())
2748 return; 2756 return;
2749 call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, bond->dev); 2757
2758 if (should_notify_peers)
2759 call_netdevice_notifiers(NETDEV_NOTIFY_PEERS,
2760 bond->dev);
2761 if (should_notify_rtnl)
2762 bond_slave_state_notify(bond);
2763
2750 rtnl_unlock(); 2764 rtnl_unlock();
2751 } 2765 }
2752} 2766}
@@ -3046,9 +3060,11 @@ static int bond_open(struct net_device *bond_dev)
3046 bond_for_each_slave(bond, slave, iter) { 3060 bond_for_each_slave(bond, slave, iter) {
3047 if ((bond->params.mode == BOND_MODE_ACTIVEBACKUP) 3061 if ((bond->params.mode == BOND_MODE_ACTIVEBACKUP)
3048 && (slave != bond->curr_active_slave)) { 3062 && (slave != bond->curr_active_slave)) {
3049 bond_set_slave_inactive_flags(slave); 3063 bond_set_slave_inactive_flags(slave,
3064 BOND_SLAVE_NOTIFY_NOW);
3050 } else { 3065 } else {
3051 bond_set_slave_active_flags(slave); 3066 bond_set_slave_active_flags(slave,
3067 BOND_SLAVE_NOTIFY_NOW);
3052 } 3068 }
3053 } 3069 }
3054 read_unlock(&bond->curr_slave_lock); 3070 read_unlock(&bond->curr_slave_lock);
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 86ccfb9f71cc..2b0fdec695f7 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -195,7 +195,8 @@ struct slave {
195 s8 new_link; 195 s8 new_link;
196 u8 backup:1, /* indicates backup slave. Value corresponds with 196 u8 backup:1, /* indicates backup slave. Value corresponds with
197 BOND_STATE_ACTIVE and BOND_STATE_BACKUP */ 197 BOND_STATE_ACTIVE and BOND_STATE_BACKUP */
198 inactive:1; /* indicates inactive slave */ 198 inactive:1, /* indicates inactive slave */
199 should_notify:1; /* indicateds whether the state changed */
199 u8 duplex; 200 u8 duplex;
200 u32 original_mtu; 201 u32 original_mtu;
201 u32 link_failure_count; 202 u32 link_failure_count;
@@ -303,6 +304,24 @@ static inline void bond_set_backup_slave(struct slave *slave)
303 } 304 }
304} 305}
305 306
307static inline void bond_set_slave_state(struct slave *slave,
308 int slave_state, bool notify)
309{
310 if (slave->backup == slave_state)
311 return;
312
313 slave->backup = slave_state;
314 if (notify) {
315 rtmsg_ifinfo(RTM_NEWLINK, slave->dev, 0, GFP_KERNEL);
316 slave->should_notify = 0;
317 } else {
318 if (slave->should_notify)
319 slave->should_notify = 0;
320 else
321 slave->should_notify = 1;
322 }
323}
324
306static inline void bond_slave_state_change(struct bonding *bond) 325static inline void bond_slave_state_change(struct bonding *bond)
307{ 326{
308 struct list_head *iter; 327 struct list_head *iter;
@@ -316,6 +335,19 @@ static inline void bond_slave_state_change(struct bonding *bond)
316 } 335 }
317} 336}
318 337
338static inline void bond_slave_state_notify(struct bonding *bond)
339{
340 struct list_head *iter;
341 struct slave *tmp;
342
343 bond_for_each_slave(bond, tmp, iter) {
344 if (tmp->should_notify) {
345 rtmsg_ifinfo(RTM_NEWLINK, tmp->dev, 0, GFP_KERNEL);
346 tmp->should_notify = 0;
347 }
348 }
349}
350
319static inline int bond_slave_state(struct slave *slave) 351static inline int bond_slave_state(struct slave *slave)
320{ 352{
321 return slave->backup; 353 return slave->backup;
@@ -343,6 +375,9 @@ static inline bool bond_is_active_slave(struct slave *slave)
343#define BOND_ARP_VALIDATE_ALL (BOND_ARP_VALIDATE_ACTIVE | \ 375#define BOND_ARP_VALIDATE_ALL (BOND_ARP_VALIDATE_ACTIVE | \
344 BOND_ARP_VALIDATE_BACKUP) 376 BOND_ARP_VALIDATE_BACKUP)
345 377
378#define BOND_SLAVE_NOTIFY_NOW true
379#define BOND_SLAVE_NOTIFY_LATER false
380
346static inline int slave_do_arp_validate(struct bonding *bond, 381static inline int slave_do_arp_validate(struct bonding *bond,
347 struct slave *slave) 382 struct slave *slave)
348{ 383{
@@ -394,17 +429,19 @@ static inline void bond_netpoll_send_skb(const struct slave *slave,
394} 429}
395#endif 430#endif
396 431
397static inline void bond_set_slave_inactive_flags(struct slave *slave) 432static inline void bond_set_slave_inactive_flags(struct slave *slave,
433 bool notify)
398{ 434{
399 if (!bond_is_lb(slave->bond)) 435 if (!bond_is_lb(slave->bond))
400 bond_set_backup_slave(slave); 436 bond_set_slave_state(slave, BOND_STATE_BACKUP, notify);
401 if (!slave->bond->params.all_slaves_active) 437 if (!slave->bond->params.all_slaves_active)
402 slave->inactive = 1; 438 slave->inactive = 1;
403} 439}
404 440
405static inline void bond_set_slave_active_flags(struct slave *slave) 441static inline void bond_set_slave_active_flags(struct slave *slave,
442 bool notify)
406{ 443{
407 bond_set_active_slave(slave); 444 bond_set_slave_state(slave, BOND_STATE_ACTIVE, notify);
408 slave->inactive = 0; 445 slave->inactive = 0;
409} 446}
410 447
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 320bef2dba42..61376abdab39 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -144,6 +144,8 @@
144 144
145#define FLEXCAN_MB_CODE_MASK (0xf0ffffff) 145#define FLEXCAN_MB_CODE_MASK (0xf0ffffff)
146 146
147#define FLEXCAN_TIMEOUT_US (50)
148
147/* 149/*
148 * FLEXCAN hardware feature flags 150 * FLEXCAN hardware feature flags
149 * 151 *
@@ -262,6 +264,22 @@ static inline void flexcan_write(u32 val, void __iomem *addr)
262} 264}
263#endif 265#endif
264 266
267static inline int flexcan_transceiver_enable(const struct flexcan_priv *priv)
268{
269 if (!priv->reg_xceiver)
270 return 0;
271
272 return regulator_enable(priv->reg_xceiver);
273}
274
275static inline int flexcan_transceiver_disable(const struct flexcan_priv *priv)
276{
277 if (!priv->reg_xceiver)
278 return 0;
279
280 return regulator_disable(priv->reg_xceiver);
281}
282
265static inline int flexcan_has_and_handle_berr(const struct flexcan_priv *priv, 283static inline int flexcan_has_and_handle_berr(const struct flexcan_priv *priv,
266 u32 reg_esr) 284 u32 reg_esr)
267{ 285{
@@ -269,26 +287,95 @@ static inline int flexcan_has_and_handle_berr(const struct flexcan_priv *priv,
269 (reg_esr & FLEXCAN_ESR_ERR_BUS); 287 (reg_esr & FLEXCAN_ESR_ERR_BUS);
270} 288}
271 289
272static inline void flexcan_chip_enable(struct flexcan_priv *priv) 290static int flexcan_chip_enable(struct flexcan_priv *priv)
273{ 291{
274 struct flexcan_regs __iomem *regs = priv->base; 292 struct flexcan_regs __iomem *regs = priv->base;
293 unsigned int timeout = FLEXCAN_TIMEOUT_US / 10;
275 u32 reg; 294 u32 reg;
276 295
277 reg = flexcan_read(&regs->mcr); 296 reg = flexcan_read(&regs->mcr);
278 reg &= ~FLEXCAN_MCR_MDIS; 297 reg &= ~FLEXCAN_MCR_MDIS;
279 flexcan_write(reg, &regs->mcr); 298 flexcan_write(reg, &regs->mcr);
280 299
281 udelay(10); 300 while (timeout-- && (flexcan_read(&regs->mcr) & FLEXCAN_MCR_LPM_ACK))
301 usleep_range(10, 20);
302
303 if (flexcan_read(&regs->mcr) & FLEXCAN_MCR_LPM_ACK)
304 return -ETIMEDOUT;
305
306 return 0;
282} 307}
283 308
284static inline void flexcan_chip_disable(struct flexcan_priv *priv) 309static int flexcan_chip_disable(struct flexcan_priv *priv)
285{ 310{
286 struct flexcan_regs __iomem *regs = priv->base; 311 struct flexcan_regs __iomem *regs = priv->base;
312 unsigned int timeout = FLEXCAN_TIMEOUT_US / 10;
287 u32 reg; 313 u32 reg;
288 314
289 reg = flexcan_read(&regs->mcr); 315 reg = flexcan_read(&regs->mcr);
290 reg |= FLEXCAN_MCR_MDIS; 316 reg |= FLEXCAN_MCR_MDIS;
291 flexcan_write(reg, &regs->mcr); 317 flexcan_write(reg, &regs->mcr);
318
319 while (timeout-- && !(flexcan_read(&regs->mcr) & FLEXCAN_MCR_LPM_ACK))
320 usleep_range(10, 20);
321
322 if (!(flexcan_read(&regs->mcr) & FLEXCAN_MCR_LPM_ACK))
323 return -ETIMEDOUT;
324
325 return 0;
326}
327
328static int flexcan_chip_freeze(struct flexcan_priv *priv)
329{
330 struct flexcan_regs __iomem *regs = priv->base;
331 unsigned int timeout = 1000 * 1000 * 10 / priv->can.bittiming.bitrate;
332 u32 reg;
333
334 reg = flexcan_read(&regs->mcr);
335 reg |= FLEXCAN_MCR_HALT;
336 flexcan_write(reg, &regs->mcr);
337
338 while (timeout-- && !(flexcan_read(&regs->mcr) & FLEXCAN_MCR_FRZ_ACK))
339 usleep_range(100, 200);
340
341 if (!(flexcan_read(&regs->mcr) & FLEXCAN_MCR_FRZ_ACK))
342 return -ETIMEDOUT;
343
344 return 0;
345}
346
347static int flexcan_chip_unfreeze(struct flexcan_priv *priv)
348{
349 struct flexcan_regs __iomem *regs = priv->base;
350 unsigned int timeout = FLEXCAN_TIMEOUT_US / 10;
351 u32 reg;
352
353 reg = flexcan_read(&regs->mcr);
354 reg &= ~FLEXCAN_MCR_HALT;
355 flexcan_write(reg, &regs->mcr);
356
357 while (timeout-- && (flexcan_read(&regs->mcr) & FLEXCAN_MCR_FRZ_ACK))
358 usleep_range(10, 20);
359
360 if (flexcan_read(&regs->mcr) & FLEXCAN_MCR_FRZ_ACK)
361 return -ETIMEDOUT;
362
363 return 0;
364}
365
366static int flexcan_chip_softreset(struct flexcan_priv *priv)
367{
368 struct flexcan_regs __iomem *regs = priv->base;
369 unsigned int timeout = FLEXCAN_TIMEOUT_US / 10;
370
371 flexcan_write(FLEXCAN_MCR_SOFTRST, &regs->mcr);
372 while (timeout-- && (flexcan_read(&regs->mcr) & FLEXCAN_MCR_SOFTRST))
373 usleep_range(10, 20);
374
375 if (flexcan_read(&regs->mcr) & FLEXCAN_MCR_SOFTRST)
376 return -ETIMEDOUT;
377
378 return 0;
292} 379}
293 380
294static int flexcan_get_berr_counter(const struct net_device *dev, 381static int flexcan_get_berr_counter(const struct net_device *dev,
@@ -709,19 +796,14 @@ static int flexcan_chip_start(struct net_device *dev)
709 u32 reg_mcr, reg_ctrl; 796 u32 reg_mcr, reg_ctrl;
710 797
711 /* enable module */ 798 /* enable module */
712 flexcan_chip_enable(priv); 799 err = flexcan_chip_enable(priv);
800 if (err)
801 return err;
713 802
714 /* soft reset */ 803 /* soft reset */
715 flexcan_write(FLEXCAN_MCR_SOFTRST, &regs->mcr); 804 err = flexcan_chip_softreset(priv);
716 udelay(10); 805 if (err)
717 806 goto out_chip_disable;
718 reg_mcr = flexcan_read(&regs->mcr);
719 if (reg_mcr & FLEXCAN_MCR_SOFTRST) {
720 netdev_err(dev, "Failed to softreset can module (mcr=0x%08x)\n",
721 reg_mcr);
722 err = -ENODEV;
723 goto out;
724 }
725 807
726 flexcan_set_bittiming(dev); 808 flexcan_set_bittiming(dev);
727 809
@@ -788,16 +870,14 @@ static int flexcan_chip_start(struct net_device *dev)
788 if (priv->devtype_data->features & FLEXCAN_HAS_V10_FEATURES) 870 if (priv->devtype_data->features & FLEXCAN_HAS_V10_FEATURES)
789 flexcan_write(0x0, &regs->rxfgmask); 871 flexcan_write(0x0, &regs->rxfgmask);
790 872
791 if (priv->reg_xceiver) { 873 err = flexcan_transceiver_enable(priv);
792 err = regulator_enable(priv->reg_xceiver); 874 if (err)
793 if (err) 875 goto out_chip_disable;
794 goto out;
795 }
796 876
797 /* synchronize with the can bus */ 877 /* synchronize with the can bus */
798 reg_mcr = flexcan_read(&regs->mcr); 878 err = flexcan_chip_unfreeze(priv);
799 reg_mcr &= ~FLEXCAN_MCR_HALT; 879 if (err)
800 flexcan_write(reg_mcr, &regs->mcr); 880 goto out_transceiver_disable;
801 881
802 priv->can.state = CAN_STATE_ERROR_ACTIVE; 882 priv->can.state = CAN_STATE_ERROR_ACTIVE;
803 883
@@ -810,7 +890,9 @@ static int flexcan_chip_start(struct net_device *dev)
810 890
811 return 0; 891 return 0;
812 892
813 out: 893 out_transceiver_disable:
894 flexcan_transceiver_disable(priv);
895 out_chip_disable:
814 flexcan_chip_disable(priv); 896 flexcan_chip_disable(priv);
815 return err; 897 return err;
816} 898}
@@ -825,18 +907,17 @@ static void flexcan_chip_stop(struct net_device *dev)
825{ 907{
826 struct flexcan_priv *priv = netdev_priv(dev); 908 struct flexcan_priv *priv = netdev_priv(dev);
827 struct flexcan_regs __iomem *regs = priv->base; 909 struct flexcan_regs __iomem *regs = priv->base;
828 u32 reg; 910
911 /* freeze + disable module */
912 flexcan_chip_freeze(priv);
913 flexcan_chip_disable(priv);
829 914
830 /* Disable all interrupts */ 915 /* Disable all interrupts */
831 flexcan_write(0, &regs->imask1); 916 flexcan_write(0, &regs->imask1);
917 flexcan_write(priv->reg_ctrl_default & ~FLEXCAN_CTRL_ERR_ALL,
918 &regs->ctrl);
832 919
833 /* Disable + halt module */ 920 flexcan_transceiver_disable(priv);
834 reg = flexcan_read(&regs->mcr);
835 reg |= FLEXCAN_MCR_MDIS | FLEXCAN_MCR_HALT;
836 flexcan_write(reg, &regs->mcr);
837
838 if (priv->reg_xceiver)
839 regulator_disable(priv->reg_xceiver);
840 priv->can.state = CAN_STATE_STOPPED; 921 priv->can.state = CAN_STATE_STOPPED;
841 922
842 return; 923 return;
@@ -866,7 +947,7 @@ static int flexcan_open(struct net_device *dev)
866 /* start chip and queuing */ 947 /* start chip and queuing */
867 err = flexcan_chip_start(dev); 948 err = flexcan_chip_start(dev);
868 if (err) 949 if (err)
869 goto out_close; 950 goto out_free_irq;
870 951
871 can_led_event(dev, CAN_LED_EVENT_OPEN); 952 can_led_event(dev, CAN_LED_EVENT_OPEN);
872 953
@@ -875,6 +956,8 @@ static int flexcan_open(struct net_device *dev)
875 956
876 return 0; 957 return 0;
877 958
959 out_free_irq:
960 free_irq(dev->irq, dev);
878 out_close: 961 out_close:
879 close_candev(dev); 962 close_candev(dev);
880 out_disable_per: 963 out_disable_per:
@@ -945,12 +1028,16 @@ static int register_flexcandev(struct net_device *dev)
945 goto out_disable_ipg; 1028 goto out_disable_ipg;
946 1029
947 /* select "bus clock", chip must be disabled */ 1030 /* select "bus clock", chip must be disabled */
948 flexcan_chip_disable(priv); 1031 err = flexcan_chip_disable(priv);
1032 if (err)
1033 goto out_disable_per;
949 reg = flexcan_read(&regs->ctrl); 1034 reg = flexcan_read(&regs->ctrl);
950 reg |= FLEXCAN_CTRL_CLK_SRC; 1035 reg |= FLEXCAN_CTRL_CLK_SRC;
951 flexcan_write(reg, &regs->ctrl); 1036 flexcan_write(reg, &regs->ctrl);
952 1037
953 flexcan_chip_enable(priv); 1038 err = flexcan_chip_enable(priv);
1039 if (err)
1040 goto out_chip_disable;
954 1041
955 /* set freeze, halt and activate FIFO, restrict register access */ 1042 /* set freeze, halt and activate FIFO, restrict register access */
956 reg = flexcan_read(&regs->mcr); 1043 reg = flexcan_read(&regs->mcr);
@@ -967,14 +1054,15 @@ static int register_flexcandev(struct net_device *dev)
967 if (!(reg & FLEXCAN_MCR_FEN)) { 1054 if (!(reg & FLEXCAN_MCR_FEN)) {
968 netdev_err(dev, "Could not enable RX FIFO, unsupported core\n"); 1055 netdev_err(dev, "Could not enable RX FIFO, unsupported core\n");
969 err = -ENODEV; 1056 err = -ENODEV;
970 goto out_disable_per; 1057 goto out_chip_disable;
971 } 1058 }
972 1059
973 err = register_candev(dev); 1060 err = register_candev(dev);
974 1061
975 out_disable_per:
976 /* disable core and turn off clocks */ 1062 /* disable core and turn off clocks */
1063 out_chip_disable:
977 flexcan_chip_disable(priv); 1064 flexcan_chip_disable(priv);
1065 out_disable_per:
978 clk_disable_unprepare(priv->clk_per); 1066 clk_disable_unprepare(priv->clk_per);
979 out_disable_ipg: 1067 out_disable_ipg:
980 clk_disable_unprepare(priv->clk_ipg); 1068 clk_disable_unprepare(priv->clk_ipg);
@@ -1104,9 +1192,10 @@ static int flexcan_probe(struct platform_device *pdev)
1104static int flexcan_remove(struct platform_device *pdev) 1192static int flexcan_remove(struct platform_device *pdev)
1105{ 1193{
1106 struct net_device *dev = platform_get_drvdata(pdev); 1194 struct net_device *dev = platform_get_drvdata(pdev);
1195 struct flexcan_priv *priv = netdev_priv(dev);
1107 1196
1108 unregister_flexcandev(dev); 1197 unregister_flexcandev(dev);
1109 1198 netif_napi_del(&priv->napi);
1110 free_candev(dev); 1199 free_candev(dev);
1111 1200
1112 return 0; 1201 return 0;
@@ -1117,8 +1206,11 @@ static int flexcan_suspend(struct device *device)
1117{ 1206{
1118 struct net_device *dev = dev_get_drvdata(device); 1207 struct net_device *dev = dev_get_drvdata(device);
1119 struct flexcan_priv *priv = netdev_priv(dev); 1208 struct flexcan_priv *priv = netdev_priv(dev);
1209 int err;
1120 1210
1121 flexcan_chip_disable(priv); 1211 err = flexcan_chip_disable(priv);
1212 if (err)
1213 return err;
1122 1214
1123 if (netif_running(dev)) { 1215 if (netif_running(dev)) {
1124 netif_stop_queue(dev); 1216 netif_stop_queue(dev);
@@ -1139,9 +1231,7 @@ static int flexcan_resume(struct device *device)
1139 netif_device_attach(dev); 1231 netif_device_attach(dev);
1140 netif_start_queue(dev); 1232 netif_start_queue(dev);
1141 } 1233 }
1142 flexcan_chip_enable(priv); 1234 return flexcan_chip_enable(priv);
1143
1144 return 0;
1145} 1235}
1146#endif /* CONFIG_PM_SLEEP */ 1236#endif /* CONFIG_PM_SLEEP */
1147 1237
diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c
index 1f7b5aa114fa..8a7bf7dad898 100644
--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
@@ -1484,6 +1484,10 @@ static int b44_open(struct net_device *dev)
1484 add_timer(&bp->timer); 1484 add_timer(&bp->timer);
1485 1485
1486 b44_enable_ints(bp); 1486 b44_enable_ints(bp);
1487
1488 if (bp->flags & B44_FLAG_EXTERNAL_PHY)
1489 phy_start(bp->phydev);
1490
1487 netif_start_queue(dev); 1491 netif_start_queue(dev);
1488out: 1492out:
1489 return err; 1493 return err;
@@ -1646,6 +1650,9 @@ static int b44_close(struct net_device *dev)
1646 1650
1647 netif_stop_queue(dev); 1651 netif_stop_queue(dev);
1648 1652
1653 if (bp->flags & B44_FLAG_EXTERNAL_PHY)
1654 phy_stop(bp->phydev);
1655
1649 napi_disable(&bp->napi); 1656 napi_disable(&bp->napi);
1650 1657
1651 del_timer_sync(&bp->timer); 1658 del_timer_sync(&bp->timer);
@@ -2222,7 +2229,12 @@ static void b44_adjust_link(struct net_device *dev)
2222 } 2229 }
2223 2230
2224 if (status_changed) { 2231 if (status_changed) {
2225 b44_check_phy(bp); 2232 u32 val = br32(bp, B44_TX_CTRL);
2233 if (bp->flags & B44_FLAG_FULL_DUPLEX)
2234 val |= TX_CTRL_DUPLEX;
2235 else
2236 val &= ~TX_CTRL_DUPLEX;
2237 bw32(bp, B44_TX_CTRL, val);
2226 phy_print_status(phydev); 2238 phy_print_status(phydev);
2227 } 2239 }
2228} 2240}
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 66c0df78c3ff..dbcff509dc3f 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -3875,7 +3875,9 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
3875 xmit_type); 3875 xmit_type);
3876 } 3876 }
3877 3877
3878 /* Add the macs to the parsing BD this is a vf */ 3878 /* Add the macs to the parsing BD if this is a vf or if
3879 * Tx Switching is enabled.
3880 */
3879 if (IS_VF(bp)) { 3881 if (IS_VF(bp)) {
3880 /* override GRE parameters in BD */ 3882 /* override GRE parameters in BD */
3881 bnx2x_set_fw_mac_addr(&pbd_e2->data.mac_addr.src_hi, 3883 bnx2x_set_fw_mac_addr(&pbd_e2->data.mac_addr.src_hi,
@@ -3887,6 +3889,11 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
3887 &pbd_e2->data.mac_addr.dst_mid, 3889 &pbd_e2->data.mac_addr.dst_mid,
3888 &pbd_e2->data.mac_addr.dst_lo, 3890 &pbd_e2->data.mac_addr.dst_lo,
3889 eth->h_dest); 3891 eth->h_dest);
3892 } else if (bp->flags & TX_SWITCHING) {
3893 bnx2x_set_fw_mac_addr(&pbd_e2->data.mac_addr.dst_hi,
3894 &pbd_e2->data.mac_addr.dst_mid,
3895 &pbd_e2->data.mac_addr.dst_lo,
3896 eth->h_dest);
3890 } 3897 }
3891 3898
3892 SET_FLAG(pbd_e2_parsing_data, 3899 SET_FLAG(pbd_e2_parsing_data,
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 3167ed6593b0..3b6d0ba86c71 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -6843,8 +6843,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
6843 6843
6844 work_mask |= opaque_key; 6844 work_mask |= opaque_key;
6845 6845
6846 if ((desc->err_vlan & RXD_ERR_MASK) != 0 && 6846 if (desc->err_vlan & RXD_ERR_MASK) {
6847 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
6848 drop_it: 6847 drop_it:
6849 tg3_recycle_rx(tnapi, tpr, opaque_key, 6848 tg3_recycle_rx(tnapi, tpr, opaque_key,
6850 desc_idx, *post_ptr); 6849 desc_idx, *post_ptr);
diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
index ef472385bce4..04321e5a356e 100644
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -2608,7 +2608,11 @@ struct tg3_rx_buffer_desc {
2608#define RXD_ERR_TOO_SMALL 0x00400000 2608#define RXD_ERR_TOO_SMALL 0x00400000
2609#define RXD_ERR_NO_RESOURCES 0x00800000 2609#define RXD_ERR_NO_RESOURCES 0x00800000
2610#define RXD_ERR_HUGE_FRAME 0x01000000 2610#define RXD_ERR_HUGE_FRAME 0x01000000
2611#define RXD_ERR_MASK 0xffff0000 2611
2612#define RXD_ERR_MASK (RXD_ERR_BAD_CRC | RXD_ERR_COLLISION | \
2613 RXD_ERR_LINK_LOST | RXD_ERR_PHY_DECODE | \
2614 RXD_ERR_MAC_ABRT | RXD_ERR_TOO_SMALL | \
2615 RXD_ERR_NO_RESOURCES | RXD_ERR_HUGE_FRAME)
2612 2616
2613 u32 reserved; 2617 u32 reserved;
2614 u32 opaque; 2618 u32 opaque;
diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c
index cf64f3d0b60d..4ad1187e82fb 100644
--- a/drivers/net/ethernet/brocade/bna/bnad.c
+++ b/drivers/net/ethernet/brocade/bna/bnad.c
@@ -707,7 +707,8 @@ bnad_cq_process(struct bnad *bnad, struct bna_ccb *ccb, int budget)
707 else 707 else
708 skb_checksum_none_assert(skb); 708 skb_checksum_none_assert(skb);
709 709
710 if (flags & BNA_CQ_EF_VLAN) 710 if ((flags & BNA_CQ_EF_VLAN) &&
711 (bnad->netdev->features & NETIF_F_HW_VLAN_CTAG_RX))
711 __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), ntohs(cmpl->vlan_tag)); 712 __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), ntohs(cmpl->vlan_tag));
712 713
713 if (BNAD_RXBUF_IS_SK_BUFF(unmap_q->type)) 714 if (BNAD_RXBUF_IS_SK_BUFF(unmap_q->type))
@@ -2094,7 +2095,9 @@ bnad_init_rx_config(struct bnad *bnad, struct bna_rx_config *rx_config)
2094 rx_config->q1_buf_size = BFI_SMALL_RXBUF_SIZE; 2095 rx_config->q1_buf_size = BFI_SMALL_RXBUF_SIZE;
2095 } 2096 }
2096 2097
2097 rx_config->vlan_strip_status = BNA_STATUS_T_ENABLED; 2098 rx_config->vlan_strip_status =
2099 (bnad->netdev->features & NETIF_F_HW_VLAN_CTAG_RX) ?
2100 BNA_STATUS_T_ENABLED : BNA_STATUS_T_DISABLED;
2098} 2101}
2099 2102
2100static void 2103static void
@@ -3245,11 +3248,6 @@ bnad_set_rx_mode(struct net_device *netdev)
3245 BNA_RXMODE_ALLMULTI; 3248 BNA_RXMODE_ALLMULTI;
3246 bna_rx_mode_set(bnad->rx_info[0].rx, new_mode, mode_mask, NULL); 3249 bna_rx_mode_set(bnad->rx_info[0].rx, new_mode, mode_mask, NULL);
3247 3250
3248 if (bnad->cfg_flags & BNAD_CF_PROMISC)
3249 bna_rx_vlan_strip_disable(bnad->rx_info[0].rx);
3250 else
3251 bna_rx_vlan_strip_enable(bnad->rx_info[0].rx);
3252
3253 spin_unlock_irqrestore(&bnad->bna_lock, flags); 3251 spin_unlock_irqrestore(&bnad->bna_lock, flags);
3254} 3252}
3255 3253
@@ -3374,6 +3372,27 @@ bnad_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid)
3374 return 0; 3372 return 0;
3375} 3373}
3376 3374
3375static int bnad_set_features(struct net_device *dev, netdev_features_t features)
3376{
3377 struct bnad *bnad = netdev_priv(dev);
3378 netdev_features_t changed = features ^ dev->features;
3379
3380 if ((changed & NETIF_F_HW_VLAN_CTAG_RX) && netif_running(dev)) {
3381 unsigned long flags;
3382
3383 spin_lock_irqsave(&bnad->bna_lock, flags);
3384
3385 if (features & NETIF_F_HW_VLAN_CTAG_RX)
3386 bna_rx_vlan_strip_enable(bnad->rx_info[0].rx);
3387 else
3388 bna_rx_vlan_strip_disable(bnad->rx_info[0].rx);
3389
3390 spin_unlock_irqrestore(&bnad->bna_lock, flags);
3391 }
3392
3393 return 0;
3394}
3395
3377#ifdef CONFIG_NET_POLL_CONTROLLER 3396#ifdef CONFIG_NET_POLL_CONTROLLER
3378static void 3397static void
3379bnad_netpoll(struct net_device *netdev) 3398bnad_netpoll(struct net_device *netdev)
@@ -3421,6 +3440,7 @@ static const struct net_device_ops bnad_netdev_ops = {
3421 .ndo_change_mtu = bnad_change_mtu, 3440 .ndo_change_mtu = bnad_change_mtu,
3422 .ndo_vlan_rx_add_vid = bnad_vlan_rx_add_vid, 3441 .ndo_vlan_rx_add_vid = bnad_vlan_rx_add_vid,
3423 .ndo_vlan_rx_kill_vid = bnad_vlan_rx_kill_vid, 3442 .ndo_vlan_rx_kill_vid = bnad_vlan_rx_kill_vid,
3443 .ndo_set_features = bnad_set_features,
3424#ifdef CONFIG_NET_POLL_CONTROLLER 3444#ifdef CONFIG_NET_POLL_CONTROLLER
3425 .ndo_poll_controller = bnad_netpoll 3445 .ndo_poll_controller = bnad_netpoll
3426#endif 3446#endif
@@ -3433,14 +3453,14 @@ bnad_netdev_init(struct bnad *bnad, bool using_dac)
3433 3453
3434 netdev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM | 3454 netdev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM |
3435 NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | 3455 NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
3436 NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_HW_VLAN_CTAG_TX; 3456 NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_HW_VLAN_CTAG_TX |
3457 NETIF_F_HW_VLAN_CTAG_RX;
3437 3458
3438 netdev->vlan_features = NETIF_F_SG | NETIF_F_HIGHDMA | 3459 netdev->vlan_features = NETIF_F_SG | NETIF_F_HIGHDMA |
3439 NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | 3460 NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
3440 NETIF_F_TSO | NETIF_F_TSO6; 3461 NETIF_F_TSO | NETIF_F_TSO6;
3441 3462
3442 netdev->features |= netdev->hw_features | 3463 netdev->features |= netdev->hw_features | NETIF_F_HW_VLAN_CTAG_FILTER;
3443 NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER;
3444 3464
3445 if (using_dac) 3465 if (using_dac)
3446 netdev->features |= NETIF_F_HIGHDMA; 3466 netdev->features |= NETIF_F_HIGHDMA;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 43ab35fea48d..34e2488767d9 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -6179,6 +6179,7 @@ static struct pci_driver cxgb4_driver = {
6179 .id_table = cxgb4_pci_tbl, 6179 .id_table = cxgb4_pci_tbl,
6180 .probe = init_one, 6180 .probe = init_one,
6181 .remove = remove_one, 6181 .remove = remove_one,
6182 .shutdown = remove_one,
6182 .err_handler = &cxgb4_eeh, 6183 .err_handler = &cxgb4_eeh,
6183}; 6184};
6184 6185
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h
index 8d09615da585..05529e273050 100644
--- a/drivers/net/ethernet/emulex/benet/be.h
+++ b/drivers/net/ethernet/emulex/benet/be.h
@@ -350,11 +350,13 @@ struct be_drv_stats {
350 u32 roce_drops_crc; 350 u32 roce_drops_crc;
351}; 351};
352 352
353/* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */
354#define BE_RESET_VLAN_TAG_ID 0xFFFF
355
353struct be_vf_cfg { 356struct be_vf_cfg {
354 unsigned char mac_addr[ETH_ALEN]; 357 unsigned char mac_addr[ETH_ALEN];
355 int if_handle; 358 int if_handle;
356 int pmac_id; 359 int pmac_id;
357 u16 def_vid;
358 u16 vlan_tag; 360 u16 vlan_tag;
359 u32 tx_rate; 361 u32 tx_rate;
360}; 362};
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 04ac9c6a0d39..36c80612e21a 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -913,24 +913,14 @@ static int be_ipv6_tx_stall_chk(struct be_adapter *adapter,
913 return BE3_chip(adapter) && be_ipv6_exthdr_check(skb); 913 return BE3_chip(adapter) && be_ipv6_exthdr_check(skb);
914} 914}
915 915
916static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, 916static struct sk_buff *be_lancer_xmit_workarounds(struct be_adapter *adapter,
917 struct sk_buff *skb, 917 struct sk_buff *skb,
918 bool *skip_hw_vlan) 918 bool *skip_hw_vlan)
919{ 919{
920 struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; 920 struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data;
921 unsigned int eth_hdr_len; 921 unsigned int eth_hdr_len;
922 struct iphdr *ip; 922 struct iphdr *ip;
923 923
924 /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or less
925 * may cause a transmit stall on that port. So the work-around is to
926 * pad short packets (<= 32 bytes) to a 36-byte length.
927 */
928 if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) {
929 if (skb_padto(skb, 36))
930 goto tx_drop;
931 skb->len = 36;
932 }
933
934 /* For padded packets, BE HW modifies tot_len field in IP header 924 /* For padded packets, BE HW modifies tot_len field in IP header
935 * incorrecly when VLAN tag is inserted by HW. 925 * incorrecly when VLAN tag is inserted by HW.
936 * For padded packets, Lancer computes incorrect checksum. 926 * For padded packets, Lancer computes incorrect checksum.
@@ -959,7 +949,7 @@ static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter,
959 vlan_tx_tag_present(skb)) { 949 vlan_tx_tag_present(skb)) {
960 skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan); 950 skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan);
961 if (unlikely(!skb)) 951 if (unlikely(!skb))
962 goto tx_drop; 952 goto err;
963 } 953 }
964 954
965 /* HW may lockup when VLAN HW tagging is requested on 955 /* HW may lockup when VLAN HW tagging is requested on
@@ -981,15 +971,39 @@ static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter,
981 be_vlan_tag_tx_chk(adapter, skb)) { 971 be_vlan_tag_tx_chk(adapter, skb)) {
982 skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan); 972 skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan);
983 if (unlikely(!skb)) 973 if (unlikely(!skb))
984 goto tx_drop; 974 goto err;
985 } 975 }
986 976
987 return skb; 977 return skb;
988tx_drop: 978tx_drop:
989 dev_kfree_skb_any(skb); 979 dev_kfree_skb_any(skb);
980err:
990 return NULL; 981 return NULL;
991} 982}
992 983
984static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter,
985 struct sk_buff *skb,
986 bool *skip_hw_vlan)
987{
988 /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or
989 * less may cause a transmit stall on that port. So the work-around is
990 * to pad short packets (<= 32 bytes) to a 36-byte length.
991 */
992 if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) {
993 if (skb_padto(skb, 36))
994 return NULL;
995 skb->len = 36;
996 }
997
998 if (BEx_chip(adapter) || lancer_chip(adapter)) {
999 skb = be_lancer_xmit_workarounds(adapter, skb, skip_hw_vlan);
1000 if (!skb)
1001 return NULL;
1002 }
1003
1004 return skb;
1005}
1006
993static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) 1007static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev)
994{ 1008{
995 struct be_adapter *adapter = netdev_priv(netdev); 1009 struct be_adapter *adapter = netdev_priv(netdev);
@@ -1157,6 +1171,14 @@ ret:
1157 return status; 1171 return status;
1158} 1172}
1159 1173
1174static void be_clear_promisc(struct be_adapter *adapter)
1175{
1176 adapter->promiscuous = false;
1177 adapter->flags &= ~BE_FLAGS_VLAN_PROMISC;
1178
1179 be_cmd_rx_filter(adapter, IFF_PROMISC, OFF);
1180}
1181
1160static void be_set_rx_mode(struct net_device *netdev) 1182static void be_set_rx_mode(struct net_device *netdev)
1161{ 1183{
1162 struct be_adapter *adapter = netdev_priv(netdev); 1184 struct be_adapter *adapter = netdev_priv(netdev);
@@ -1170,9 +1192,7 @@ static void be_set_rx_mode(struct net_device *netdev)
1170 1192
1171 /* BE was previously in promiscuous mode; disable it */ 1193 /* BE was previously in promiscuous mode; disable it */
1172 if (adapter->promiscuous) { 1194 if (adapter->promiscuous) {
1173 adapter->promiscuous = false; 1195 be_clear_promisc(adapter);
1174 be_cmd_rx_filter(adapter, IFF_PROMISC, OFF);
1175
1176 if (adapter->vlans_added) 1196 if (adapter->vlans_added)
1177 be_vid_config(adapter); 1197 be_vid_config(adapter);
1178 } 1198 }
@@ -1287,24 +1307,20 @@ static int be_set_vf_vlan(struct net_device *netdev,
1287 1307
1288 if (vlan || qos) { 1308 if (vlan || qos) {
1289 vlan |= qos << VLAN_PRIO_SHIFT; 1309 vlan |= qos << VLAN_PRIO_SHIFT;
1290 if (vf_cfg->vlan_tag != vlan) { 1310 if (vf_cfg->vlan_tag != vlan)
1291 /* If this is new value, program it. Else skip. */
1292 vf_cfg->vlan_tag = vlan;
1293 status = be_cmd_set_hsw_config(adapter, vlan, vf + 1, 1311 status = be_cmd_set_hsw_config(adapter, vlan, vf + 1,
1294 vf_cfg->if_handle, 0); 1312 vf_cfg->if_handle, 0);
1295 }
1296 } else { 1313 } else {
1297 /* Reset Transparent Vlan Tagging. */ 1314 /* Reset Transparent Vlan Tagging. */
1298 vf_cfg->vlan_tag = 0; 1315 status = be_cmd_set_hsw_config(adapter, BE_RESET_VLAN_TAG_ID,
1299 vlan = vf_cfg->def_vid; 1316 vf + 1, vf_cfg->if_handle, 0);
1300 status = be_cmd_set_hsw_config(adapter, vlan, vf + 1,
1301 vf_cfg->if_handle, 0);
1302 } 1317 }
1303 1318
1304 1319 if (!status)
1305 if (status) 1320 vf_cfg->vlan_tag = vlan;
1321 else
1306 dev_info(&adapter->pdev->dev, 1322 dev_info(&adapter->pdev->dev,
1307 "VLAN %d config on VF %d failed\n", vlan, vf); 1323 "VLAN %d config on VF %d failed\n", vlan, vf);
1308 return status; 1324 return status;
1309} 1325}
1310 1326
@@ -3013,11 +3029,11 @@ static int be_vf_setup_init(struct be_adapter *adapter)
3013 3029
3014static int be_vf_setup(struct be_adapter *adapter) 3030static int be_vf_setup(struct be_adapter *adapter)
3015{ 3031{
3032 struct device *dev = &adapter->pdev->dev;
3016 struct be_vf_cfg *vf_cfg; 3033 struct be_vf_cfg *vf_cfg;
3017 u16 def_vlan, lnk_speed;
3018 int status, old_vfs, vf; 3034 int status, old_vfs, vf;
3019 struct device *dev = &adapter->pdev->dev;
3020 u32 privileges; 3035 u32 privileges;
3036 u16 lnk_speed;
3021 3037
3022 old_vfs = pci_num_vf(adapter->pdev); 3038 old_vfs = pci_num_vf(adapter->pdev);
3023 if (old_vfs) { 3039 if (old_vfs) {
@@ -3084,12 +3100,6 @@ static int be_vf_setup(struct be_adapter *adapter)
3084 if (!status) 3100 if (!status)
3085 vf_cfg->tx_rate = lnk_speed; 3101 vf_cfg->tx_rate = lnk_speed;
3086 3102
3087 status = be_cmd_get_hsw_config(adapter, &def_vlan,
3088 vf + 1, vf_cfg->if_handle, NULL);
3089 if (status)
3090 goto err;
3091 vf_cfg->def_vid = def_vlan;
3092
3093 if (!old_vfs) 3103 if (!old_vfs)
3094 be_cmd_enable_vf(adapter, vf + 1); 3104 be_cmd_enable_vf(adapter, vf + 1);
3095 } 3105 }
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 903362a7b584..479a7cba45c0 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -389,12 +389,6 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
389 netdev_err(ndev, "Tx DMA memory map failed\n"); 389 netdev_err(ndev, "Tx DMA memory map failed\n");
390 return NETDEV_TX_OK; 390 return NETDEV_TX_OK;
391 } 391 }
392 /* Send it on its way. Tell FEC it's ready, interrupt when done,
393 * it's the last BD of the frame, and to put the CRC on the end.
394 */
395 status |= (BD_ENET_TX_READY | BD_ENET_TX_INTR
396 | BD_ENET_TX_LAST | BD_ENET_TX_TC);
397 bdp->cbd_sc = status;
398 392
399 if (fep->bufdesc_ex) { 393 if (fep->bufdesc_ex) {
400 394
@@ -416,6 +410,13 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
416 } 410 }
417 } 411 }
418 412
413 /* Send it on its way. Tell FEC it's ready, interrupt when done,
414 * it's the last BD of the frame, and to put the CRC on the end.
415 */
416 status |= (BD_ENET_TX_READY | BD_ENET_TX_INTR
417 | BD_ENET_TX_LAST | BD_ENET_TX_TC);
418 bdp->cbd_sc = status;
419
419 bdp_pre = fec_enet_get_prevdesc(bdp, fep); 420 bdp_pre = fec_enet_get_prevdesc(bdp, fep);
420 if ((id_entry->driver_data & FEC_QUIRK_ERR006358) && 421 if ((id_entry->driver_data & FEC_QUIRK_ERR006358) &&
421 !(bdp_pre->cbd_sc & BD_ENET_TX_READY)) { 422 !(bdp_pre->cbd_sc & BD_ENET_TX_READY)) {
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
index 6b65f7795215..7aec6c833973 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
@@ -51,8 +51,8 @@
51 51
52#define DRV_NAME "mlx4_core" 52#define DRV_NAME "mlx4_core"
53#define PFX DRV_NAME ": " 53#define PFX DRV_NAME ": "
54#define DRV_VERSION "1.1" 54#define DRV_VERSION "2.2-1"
55#define DRV_RELDATE "Dec, 2011" 55#define DRV_RELDATE "Feb, 2014"
56 56
57#define MLX4_FS_UDP_UC_EN (1 << 1) 57#define MLX4_FS_UDP_UC_EN (1 << 1)
58#define MLX4_FS_TCP_UC_EN (1 << 2) 58#define MLX4_FS_TCP_UC_EN (1 << 2)
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index 9ca223bc90fc..b57e8c87a34e 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -57,8 +57,8 @@
57#include "en_port.h" 57#include "en_port.h"
58 58
59#define DRV_NAME "mlx4_en" 59#define DRV_NAME "mlx4_en"
60#define DRV_VERSION "2.0" 60#define DRV_VERSION "2.2-1"
61#define DRV_RELDATE "Dec 2011" 61#define DRV_RELDATE "Feb 2014"
62 62
63#define MLX4_EN_MSG_LEVEL (NETIF_MSG_LINK | NETIF_MSG_IFDOWN) 63#define MLX4_EN_MSG_LEVEL (NETIF_MSG_LINK | NETIF_MSG_IFDOWN)
64 64
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index a064f06e0cb8..23b7e2d35a93 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -46,8 +46,8 @@
46#include "mlx5_core.h" 46#include "mlx5_core.h"
47 47
48#define DRIVER_NAME "mlx5_core" 48#define DRIVER_NAME "mlx5_core"
49#define DRIVER_VERSION "1.0" 49#define DRIVER_VERSION "2.2-1"
50#define DRIVER_RELDATE "June 2013" 50#define DRIVER_RELDATE "Feb 2014"
51 51
52MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>"); 52MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>");
53MODULE_DESCRIPTION("Mellanox ConnectX-IB HCA core library"); 53MODULE_DESCRIPTION("Mellanox ConnectX-IB HCA core library");
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
index 4146664d4d6a..27c4f131863b 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
@@ -340,6 +340,7 @@ int qlcnic_83xx_setup_intr(struct qlcnic_adapter *adapter)
340 if (qlcnic_sriov_vf_check(adapter)) 340 if (qlcnic_sriov_vf_check(adapter))
341 return -EINVAL; 341 return -EINVAL;
342 num_msix = 1; 342 num_msix = 1;
343 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
343 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 344 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
344 } 345 }
345 } 346 }
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c
index 77f1bce432d2..7d4f54912bad 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c
@@ -807,7 +807,7 @@ qlcnic_dcb_get_pg_tc_cfg_tx(struct net_device *netdev, int tc, u8 *prio,
807 !type->tc_param_valid) 807 !type->tc_param_valid)
808 return; 808 return;
809 809
810 if (tc < 0 || (tc > QLC_DCB_MAX_TC)) 810 if (tc < 0 || (tc >= QLC_DCB_MAX_TC))
811 return; 811 return;
812 812
813 tc_cfg = &type->tc_cfg[tc]; 813 tc_cfg = &type->tc_cfg[tc];
@@ -843,7 +843,7 @@ static void qlcnic_dcb_get_pg_bwg_cfg_tx(struct net_device *netdev, int pgid,
843 !type->tc_param_valid) 843 !type->tc_param_valid)
844 return; 844 return;
845 845
846 if (pgid < 0 || pgid > QLC_DCB_MAX_PG) 846 if (pgid < 0 || pgid >= QLC_DCB_MAX_PG)
847 return; 847 return;
848 848
849 pgcfg = &type->pg_cfg[pgid]; 849 pgcfg = &type->pg_cfg[pgid];
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index ba78c7481fa3..1222865cfb73 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -816,9 +816,10 @@ static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
816 816
817 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 817 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
818 qlcnic_disable_multi_tx(adapter); 818 qlcnic_disable_multi_tx(adapter);
819 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
819 820
820 err = qlcnic_enable_msi_legacy(adapter); 821 err = qlcnic_enable_msi_legacy(adapter);
821 if (!err) 822 if (err)
822 return err; 823 return err;
823 } 824 }
824 } 825 }
@@ -3863,7 +3864,7 @@ int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
3863 strcpy(buf, "Tx"); 3864 strcpy(buf, "Tx");
3864 } 3865 }
3865 3866
3866 if (!qlcnic_use_msi_x && !qlcnic_use_msi) { 3867 if (!QLCNIC_IS_MSI_FAMILY(adapter)) {
3867 netdev_err(netdev, "No RSS/TSS support in INT-x mode\n"); 3868 netdev_err(netdev, "No RSS/TSS support in INT-x mode\n");
3868 return -EINVAL; 3869 return -EINVAL;
3869 } 3870 }
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
index 09acf15c3a56..e5277a632671 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
@@ -13,8 +13,6 @@
13#define QLC_VF_MIN_TX_RATE 100 13#define QLC_VF_MIN_TX_RATE 100
14#define QLC_VF_MAX_TX_RATE 9999 14#define QLC_VF_MAX_TX_RATE 9999
15#define QLC_MAC_OPCODE_MASK 0x7 15#define QLC_MAC_OPCODE_MASK 0x7
16#define QLC_MAC_STAR_ADD 6
17#define QLC_MAC_STAR_DEL 7
18#define QLC_VF_FLOOD_BIT BIT_16 16#define QLC_VF_FLOOD_BIT BIT_16
19#define QLC_FLOOD_MODE 0x5 17#define QLC_FLOOD_MODE 0x5
20 18
@@ -1206,13 +1204,6 @@ static int qlcnic_sriov_validate_cfg_macvlan(struct qlcnic_adapter *adapter,
1206 struct qlcnic_vport *vp = vf->vp; 1204 struct qlcnic_vport *vp = vf->vp;
1207 u8 op, new_op; 1205 u8 op, new_op;
1208 1206
1209 if (((cmd->req.arg[1] & QLC_MAC_OPCODE_MASK) == QLC_MAC_STAR_ADD) ||
1210 ((cmd->req.arg[1] & QLC_MAC_OPCODE_MASK) == QLC_MAC_STAR_DEL)) {
1211 netdev_err(adapter->netdev, "MAC + any VLAN filter not allowed from VF %d\n",
1212 vf->pci_func);
1213 return -EINVAL;
1214 }
1215
1216 if (!(cmd->req.arg[1] & BIT_8)) 1207 if (!(cmd->req.arg[1] & BIT_8))
1217 return -EINVAL; 1208 return -EINVAL;
1218 1209
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 91a67ae8f17b..e9779653cd4c 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -7118,6 +7118,8 @@ rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
7118 } 7118 }
7119 7119
7120 mutex_init(&tp->wk.mutex); 7120 mutex_init(&tp->wk.mutex);
7121 u64_stats_init(&tp->rx_stats.syncp);
7122 u64_stats_init(&tp->tx_stats.syncp);
7121 7123
7122 /* Get MAC address */ 7124 /* Get MAC address */
7123 for (i = 0; i < ETH_ALEN; i++) 7125 for (i = 0; i < ETH_ALEN; i++)
diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c
index eb75fbd11a01..d7a36829649a 100644
--- a/drivers/net/ethernet/sfc/ptp.c
+++ b/drivers/net/ethernet/sfc/ptp.c
@@ -1668,6 +1668,13 @@ void efx_ptp_event(struct efx_nic *efx, efx_qword_t *ev)
1668 struct efx_ptp_data *ptp = efx->ptp_data; 1668 struct efx_ptp_data *ptp = efx->ptp_data;
1669 int code = EFX_QWORD_FIELD(*ev, MCDI_EVENT_CODE); 1669 int code = EFX_QWORD_FIELD(*ev, MCDI_EVENT_CODE);
1670 1670
1671 if (!ptp) {
1672 if (net_ratelimit())
1673 netif_warn(efx, drv, efx->net_dev,
1674 "Received PTP event but PTP not set up\n");
1675 return;
1676 }
1677
1671 if (!ptp->enabled) 1678 if (!ptp->enabled)
1672 return; 1679 return;
1673 1680
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index a2e7d2c96e36..078ad0ec8593 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1705,7 +1705,7 @@ static int stmmac_open(struct net_device *dev)
1705 priv->dma_rx_size = STMMAC_ALIGN(dma_rxsize); 1705 priv->dma_rx_size = STMMAC_ALIGN(dma_rxsize);
1706 priv->dma_buf_sz = STMMAC_ALIGN(buf_sz); 1706 priv->dma_buf_sz = STMMAC_ALIGN(buf_sz);
1707 1707
1708 alloc_dma_desc_resources(priv); 1708 ret = alloc_dma_desc_resources(priv);
1709 if (ret < 0) { 1709 if (ret < 0) {
1710 pr_err("%s: DMA descriptors allocation failed\n", __func__); 1710 pr_err("%s: DMA descriptors allocation failed\n", __func__);
1711 goto dma_desc_error; 1711 goto dma_desc_error;
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 651087b5c8da..ffd4d12acf6d 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -1164,11 +1164,17 @@ static void cpsw_init_host_port(struct cpsw_priv *priv)
1164 1164
1165static void cpsw_slave_stop(struct cpsw_slave *slave, struct cpsw_priv *priv) 1165static void cpsw_slave_stop(struct cpsw_slave *slave, struct cpsw_priv *priv)
1166{ 1166{
1167 u32 slave_port;
1168
1169 slave_port = cpsw_get_slave_port(priv, slave->slave_num);
1170
1167 if (!slave->phy) 1171 if (!slave->phy)
1168 return; 1172 return;
1169 phy_stop(slave->phy); 1173 phy_stop(slave->phy);
1170 phy_disconnect(slave->phy); 1174 phy_disconnect(slave->phy);
1171 slave->phy = NULL; 1175 slave->phy = NULL;
1176 cpsw_ale_control_set(priv->ale, slave_port,
1177 ALE_PORT_STATE, ALE_PORT_STATE_DISABLE);
1172} 1178}
1173 1179
1174static int cpsw_ndo_open(struct net_device *ndev) 1180static int cpsw_ndo_open(struct net_device *ndev)
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index a5d21893670d..1831fb7cd017 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -506,6 +506,9 @@ static int macvlan_change_mtu(struct net_device *dev, int new_mtu)
506static struct lock_class_key macvlan_netdev_xmit_lock_key; 506static struct lock_class_key macvlan_netdev_xmit_lock_key;
507static struct lock_class_key macvlan_netdev_addr_lock_key; 507static struct lock_class_key macvlan_netdev_addr_lock_key;
508 508
509#define ALWAYS_ON_FEATURES \
510 (NETIF_F_SG | NETIF_F_GEN_CSUM | NETIF_F_GSO_SOFTWARE | NETIF_F_LLTX)
511
509#define MACVLAN_FEATURES \ 512#define MACVLAN_FEATURES \
510 (NETIF_F_SG | NETIF_F_ALL_CSUM | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \ 513 (NETIF_F_SG | NETIF_F_ALL_CSUM | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \
511 NETIF_F_GSO | NETIF_F_TSO | NETIF_F_UFO | NETIF_F_GSO_ROBUST | \ 514 NETIF_F_GSO | NETIF_F_TSO | NETIF_F_UFO | NETIF_F_GSO_ROBUST | \
@@ -539,7 +542,7 @@ static int macvlan_init(struct net_device *dev)
539 dev->state = (dev->state & ~MACVLAN_STATE_MASK) | 542 dev->state = (dev->state & ~MACVLAN_STATE_MASK) |
540 (lowerdev->state & MACVLAN_STATE_MASK); 543 (lowerdev->state & MACVLAN_STATE_MASK);
541 dev->features = lowerdev->features & MACVLAN_FEATURES; 544 dev->features = lowerdev->features & MACVLAN_FEATURES;
542 dev->features |= NETIF_F_LLTX; 545 dev->features |= ALWAYS_ON_FEATURES;
543 dev->gso_max_size = lowerdev->gso_max_size; 546 dev->gso_max_size = lowerdev->gso_max_size;
544 dev->iflink = lowerdev->ifindex; 547 dev->iflink = lowerdev->ifindex;
545 dev->hard_header_len = lowerdev->hard_header_len; 548 dev->hard_header_len = lowerdev->hard_header_len;
@@ -699,7 +702,7 @@ static netdev_features_t macvlan_fix_features(struct net_device *dev,
699 features = netdev_increment_features(vlan->lowerdev->features, 702 features = netdev_increment_features(vlan->lowerdev->features,
700 features, 703 features,
701 mask); 704 mask);
702 features |= NETIF_F_LLTX; 705 features |= ALWAYS_ON_FEATURES;
703 706
704 return features; 707 return features;
705} 708}
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 82514e72b3d8..4b970f7624c0 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -916,6 +916,8 @@ int genphy_read_status(struct phy_device *phydev)
916 int err; 916 int err;
917 int lpa; 917 int lpa;
918 int lpagb = 0; 918 int lpagb = 0;
919 int common_adv;
920 int common_adv_gb = 0;
919 921
920 /* Update the link, but return if there was an error */ 922 /* Update the link, but return if there was an error */
921 err = genphy_update_link(phydev); 923 err = genphy_update_link(phydev);
@@ -937,7 +939,7 @@ int genphy_read_status(struct phy_device *phydev)
937 939
938 phydev->lp_advertising = 940 phydev->lp_advertising =
939 mii_stat1000_to_ethtool_lpa_t(lpagb); 941 mii_stat1000_to_ethtool_lpa_t(lpagb);
940 lpagb &= adv << 2; 942 common_adv_gb = lpagb & adv << 2;
941 } 943 }
942 944
943 lpa = phy_read(phydev, MII_LPA); 945 lpa = phy_read(phydev, MII_LPA);
@@ -950,25 +952,25 @@ int genphy_read_status(struct phy_device *phydev)
950 if (adv < 0) 952 if (adv < 0)
951 return adv; 953 return adv;
952 954
953 lpa &= adv; 955 common_adv = lpa & adv;
954 956
955 phydev->speed = SPEED_10; 957 phydev->speed = SPEED_10;
956 phydev->duplex = DUPLEX_HALF; 958 phydev->duplex = DUPLEX_HALF;
957 phydev->pause = 0; 959 phydev->pause = 0;
958 phydev->asym_pause = 0; 960 phydev->asym_pause = 0;
959 961
960 if (lpagb & (LPA_1000FULL | LPA_1000HALF)) { 962 if (common_adv_gb & (LPA_1000FULL | LPA_1000HALF)) {
961 phydev->speed = SPEED_1000; 963 phydev->speed = SPEED_1000;
962 964
963 if (lpagb & LPA_1000FULL) 965 if (common_adv_gb & LPA_1000FULL)
964 phydev->duplex = DUPLEX_FULL; 966 phydev->duplex = DUPLEX_FULL;
965 } else if (lpa & (LPA_100FULL | LPA_100HALF)) { 967 } else if (common_adv & (LPA_100FULL | LPA_100HALF)) {
966 phydev->speed = SPEED_100; 968 phydev->speed = SPEED_100;
967 969
968 if (lpa & LPA_100FULL) 970 if (common_adv & LPA_100FULL)
969 phydev->duplex = DUPLEX_FULL; 971 phydev->duplex = DUPLEX_FULL;
970 } else 972 } else
971 if (lpa & LPA_10FULL) 973 if (common_adv & LPA_10FULL)
972 phydev->duplex = DUPLEX_FULL; 974 phydev->duplex = DUPLEX_FULL;
973 975
974 if (phydev->duplex == DUPLEX_FULL) { 976 if (phydev->duplex == DUPLEX_FULL) {
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 8fe9cb7d0f72..26f8635b027d 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1686,7 +1686,9 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
1686 TUN_USER_FEATURES | NETIF_F_HW_VLAN_CTAG_TX | 1686 TUN_USER_FEATURES | NETIF_F_HW_VLAN_CTAG_TX |
1687 NETIF_F_HW_VLAN_STAG_TX; 1687 NETIF_F_HW_VLAN_STAG_TX;
1688 dev->features = dev->hw_features; 1688 dev->features = dev->hw_features;
1689 dev->vlan_features = dev->features; 1689 dev->vlan_features = dev->features &
1690 ~(NETIF_F_HW_VLAN_CTAG_TX |
1691 NETIF_F_HW_VLAN_STAG_TX);
1690 1692
1691 INIT_LIST_HEAD(&tun->disabled); 1693 INIT_LIST_HEAD(&tun->disabled);
1692 err = tun_attach(tun, file, false); 1694 err = tun_attach(tun, file, false);
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index 955df81a4358..d2e6fdb25e28 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -1395,6 +1395,19 @@ static const struct driver_info ax88178a_info = {
1395 .tx_fixup = ax88179_tx_fixup, 1395 .tx_fixup = ax88179_tx_fixup,
1396}; 1396};
1397 1397
1398static const struct driver_info dlink_dub1312_info = {
1399 .description = "D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter",
1400 .bind = ax88179_bind,
1401 .unbind = ax88179_unbind,
1402 .status = ax88179_status,
1403 .link_reset = ax88179_link_reset,
1404 .reset = ax88179_reset,
1405 .stop = ax88179_stop,
1406 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1407 .rx_fixup = ax88179_rx_fixup,
1408 .tx_fixup = ax88179_tx_fixup,
1409};
1410
1398static const struct driver_info sitecom_info = { 1411static const struct driver_info sitecom_info = {
1399 .description = "Sitecom USB 3.0 to Gigabit Adapter", 1412 .description = "Sitecom USB 3.0 to Gigabit Adapter",
1400 .bind = ax88179_bind, 1413 .bind = ax88179_bind,
@@ -1421,6 +1434,19 @@ static const struct driver_info samsung_info = {
1421 .tx_fixup = ax88179_tx_fixup, 1434 .tx_fixup = ax88179_tx_fixup,
1422}; 1435};
1423 1436
1437static const struct driver_info lenovo_info = {
1438 .description = "Lenovo OneLinkDock Gigabit LAN",
1439 .bind = ax88179_bind,
1440 .unbind = ax88179_unbind,
1441 .status = ax88179_status,
1442 .link_reset = ax88179_link_reset,
1443 .reset = ax88179_reset,
1444 .stop = ax88179_stop,
1445 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1446 .rx_fixup = ax88179_rx_fixup,
1447 .tx_fixup = ax88179_tx_fixup,
1448};
1449
1424static const struct usb_device_id products[] = { 1450static const struct usb_device_id products[] = {
1425{ 1451{
1426 /* ASIX AX88179 10/100/1000 */ 1452 /* ASIX AX88179 10/100/1000 */
@@ -1431,6 +1457,10 @@ static const struct usb_device_id products[] = {
1431 USB_DEVICE(0x0b95, 0x178a), 1457 USB_DEVICE(0x0b95, 0x178a),
1432 .driver_info = (unsigned long)&ax88178a_info, 1458 .driver_info = (unsigned long)&ax88178a_info,
1433}, { 1459}, {
1460 /* D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter */
1461 USB_DEVICE(0x2001, 0x4a00),
1462 .driver_info = (unsigned long)&dlink_dub1312_info,
1463}, {
1434 /* Sitecom USB 3.0 to Gigabit Adapter */ 1464 /* Sitecom USB 3.0 to Gigabit Adapter */
1435 USB_DEVICE(0x0df6, 0x0072), 1465 USB_DEVICE(0x0df6, 0x0072),
1436 .driver_info = (unsigned long)&sitecom_info, 1466 .driver_info = (unsigned long)&sitecom_info,
@@ -1438,6 +1468,10 @@ static const struct usb_device_id products[] = {
1438 /* Samsung USB Ethernet Adapter */ 1468 /* Samsung USB Ethernet Adapter */
1439 USB_DEVICE(0x04e8, 0xa100), 1469 USB_DEVICE(0x04e8, 0xa100),
1440 .driver_info = (unsigned long)&samsung_info, 1470 .driver_info = (unsigned long)&samsung_info,
1471}, {
1472 /* Lenovo OneLinkDock Gigabit LAN */
1473 USB_DEVICE(0x17ef, 0x304b),
1474 .driver_info = (unsigned long)&lenovo_info,
1441}, 1475},
1442 { }, 1476 { },
1443}; 1477};
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 2ec2041b62d4..5b374370f71c 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -285,7 +285,8 @@ static void veth_setup(struct net_device *dev)
285 dev->ethtool_ops = &veth_ethtool_ops; 285 dev->ethtool_ops = &veth_ethtool_ops;
286 dev->features |= NETIF_F_LLTX; 286 dev->features |= NETIF_F_LLTX;
287 dev->features |= VETH_FEATURES; 287 dev->features |= VETH_FEATURES;
288 dev->vlan_features = dev->features; 288 dev->vlan_features = dev->features &
289 ~(NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX);
289 dev->destructor = veth_dev_free; 290 dev->destructor = veth_dev_free;
290 291
291 dev->hw_features = VETH_FEATURES; 292 dev->hw_features = VETH_FEATURES;
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index d75f8edf4fb3..5632a99cbbd2 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1711,7 +1711,8 @@ static int virtnet_probe(struct virtio_device *vdev)
1711 /* If we can receive ANY GSO packets, we must allocate large ones. */ 1711 /* If we can receive ANY GSO packets, we must allocate large ones. */
1712 if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO4) || 1712 if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO4) ||
1713 virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO6) || 1713 virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO6) ||
1714 virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN)) 1714 virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN) ||
1715 virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_UFO))
1715 vi->big_packets = true; 1716 vi->big_packets = true;
1716 1717
1717 if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF)) 1718 if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF))
diff --git a/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h b/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h
index 1cc13569b17b..1b6b4d0cfa97 100644
--- a/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h
+++ b/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h
@@ -57,7 +57,7 @@ static const u32 ar9462_2p0_baseband_postamble[][5] = {
57 {0x00009e14, 0x37b95d5e, 0x37b9605e, 0x3236605e, 0x32365a5e}, 57 {0x00009e14, 0x37b95d5e, 0x37b9605e, 0x3236605e, 0x32365a5e},
58 {0x00009e18, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, 58 {0x00009e18, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
59 {0x00009e1c, 0x0001cf9c, 0x0001cf9c, 0x00021f9c, 0x00021f9c}, 59 {0x00009e1c, 0x0001cf9c, 0x0001cf9c, 0x00021f9c, 0x00021f9c},
60 {0x00009e20, 0x000003b5, 0x000003b5, 0x000003ce, 0x000003ce}, 60 {0x00009e20, 0x000003a5, 0x000003a5, 0x000003a5, 0x000003a5},
61 {0x00009e2c, 0x0000001c, 0x0000001c, 0x00000021, 0x00000021}, 61 {0x00009e2c, 0x0000001c, 0x0000001c, 0x00000021, 0x00000021},
62 {0x00009e3c, 0xcf946220, 0xcf946220, 0xcfd5c782, 0xcfd5c282}, 62 {0x00009e3c, 0xcf946220, 0xcf946220, 0xcfd5c782, 0xcfd5c282},
63 {0x00009e44, 0x62321e27, 0x62321e27, 0xfe291e27, 0xfe291e27}, 63 {0x00009e44, 0x62321e27, 0x62321e27, 0xfe291e27, 0xfe291e27},
@@ -96,7 +96,7 @@ static const u32 ar9462_2p0_baseband_postamble[][5] = {
96 {0x0000ae04, 0x001c0000, 0x001c0000, 0x001c0000, 0x00100000}, 96 {0x0000ae04, 0x001c0000, 0x001c0000, 0x001c0000, 0x00100000},
97 {0x0000ae18, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, 97 {0x0000ae18, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
98 {0x0000ae1c, 0x0000019c, 0x0000019c, 0x0000019c, 0x0000019c}, 98 {0x0000ae1c, 0x0000019c, 0x0000019c, 0x0000019c, 0x0000019c},
99 {0x0000ae20, 0x000001b5, 0x000001b5, 0x000001ce, 0x000001ce}, 99 {0x0000ae20, 0x000001a6, 0x000001a6, 0x000001aa, 0x000001aa},
100 {0x0000b284, 0x00000000, 0x00000000, 0x00000550, 0x00000550}, 100 {0x0000b284, 0x00000000, 0x00000000, 0x00000550, 0x00000550},
101}; 101};
102 102
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 11eab9f01fd8..303ce27964c1 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1534,7 +1534,7 @@ EXPORT_SYMBOL(ath9k_hw_check_nav);
1534bool ath9k_hw_check_alive(struct ath_hw *ah) 1534bool ath9k_hw_check_alive(struct ath_hw *ah)
1535{ 1535{
1536 int count = 50; 1536 int count = 50;
1537 u32 reg; 1537 u32 reg, last_val;
1538 1538
1539 if (AR_SREV_9300(ah)) 1539 if (AR_SREV_9300(ah))
1540 return !ath9k_hw_detect_mac_hang(ah); 1540 return !ath9k_hw_detect_mac_hang(ah);
@@ -1542,9 +1542,13 @@ bool ath9k_hw_check_alive(struct ath_hw *ah)
1542 if (AR_SREV_9285_12_OR_LATER(ah)) 1542 if (AR_SREV_9285_12_OR_LATER(ah))
1543 return true; 1543 return true;
1544 1544
1545 last_val = REG_READ(ah, AR_OBS_BUS_1);
1545 do { 1546 do {
1546 reg = REG_READ(ah, AR_OBS_BUS_1); 1547 reg = REG_READ(ah, AR_OBS_BUS_1);
1548 if (reg != last_val)
1549 return true;
1547 1550
1551 last_val = reg;
1548 if ((reg & 0x7E7FFFEF) == 0x00702400) 1552 if ((reg & 0x7E7FFFEF) == 0x00702400)
1549 continue; 1553 continue;
1550 1554
@@ -1556,6 +1560,8 @@ bool ath9k_hw_check_alive(struct ath_hw *ah)
1556 default: 1560 default:
1557 return true; 1561 return true;
1558 } 1562 }
1563
1564 udelay(1);
1559 } while (count-- > 0); 1565 } while (count-- > 0);
1560 1566
1561 return false; 1567 return false;
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index a0ebdd000fc2..82e340d3ec60 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -732,11 +732,18 @@ static struct ath_rxbuf *ath_get_next_rx_buf(struct ath_softc *sc,
732 return NULL; 732 return NULL;
733 733
734 /* 734 /*
735 * mark descriptor as zero-length and set the 'more' 735 * Re-check previous descriptor, in case it has been filled
736 * flag to ensure that both buffers get discarded 736 * in the mean time.
737 */ 737 */
738 rs->rs_datalen = 0; 738 ret = ath9k_hw_rxprocdesc(ah, ds, rs);
739 rs->rs_more = true; 739 if (ret == -EINPROGRESS) {
740 /*
741 * mark descriptor as zero-length and set the 'more'
742 * flag to ensure that both buffers get discarded
743 */
744 rs->rs_datalen = 0;
745 rs->rs_more = true;
746 }
740 } 747 }
741 748
742 list_del(&bf->list); 749 list_del(&bf->list);
@@ -985,32 +992,32 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc,
985 struct ath_common *common = ath9k_hw_common(ah); 992 struct ath_common *common = ath9k_hw_common(ah);
986 struct ieee80211_hdr *hdr; 993 struct ieee80211_hdr *hdr;
987 bool discard_current = sc->rx.discard_next; 994 bool discard_current = sc->rx.discard_next;
988 int ret = 0;
989 995
990 /* 996 /*
991 * Discard corrupt descriptors which are marked in 997 * Discard corrupt descriptors which are marked in
992 * ath_get_next_rx_buf(). 998 * ath_get_next_rx_buf().
993 */ 999 */
994 sc->rx.discard_next = rx_stats->rs_more;
995 if (discard_current) 1000 if (discard_current)
996 return -EINVAL; 1001 goto corrupt;
1002
1003 sc->rx.discard_next = false;
997 1004
998 /* 1005 /*
999 * Discard zero-length packets. 1006 * Discard zero-length packets.
1000 */ 1007 */
1001 if (!rx_stats->rs_datalen) { 1008 if (!rx_stats->rs_datalen) {
1002 RX_STAT_INC(rx_len_err); 1009 RX_STAT_INC(rx_len_err);
1003 return -EINVAL; 1010 goto corrupt;
1004 } 1011 }
1005 1012
1006 /* 1013 /*
1007 * rs_status follows rs_datalen so if rs_datalen is too large 1014 * rs_status follows rs_datalen so if rs_datalen is too large
1008 * we can take a hint that hardware corrupted it, so ignore 1015 * we can take a hint that hardware corrupted it, so ignore
1009 * those frames. 1016 * those frames.
1010 */ 1017 */
1011 if (rx_stats->rs_datalen > (common->rx_bufsize - ah->caps.rx_status_len)) { 1018 if (rx_stats->rs_datalen > (common->rx_bufsize - ah->caps.rx_status_len)) {
1012 RX_STAT_INC(rx_len_err); 1019 RX_STAT_INC(rx_len_err);
1013 return -EINVAL; 1020 goto corrupt;
1014 } 1021 }
1015 1022
1016 /* Only use status info from the last fragment */ 1023 /* Only use status info from the last fragment */
@@ -1024,10 +1031,8 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc,
1024 * This is different from the other corrupt descriptor 1031 * This is different from the other corrupt descriptor
1025 * condition handled above. 1032 * condition handled above.
1026 */ 1033 */
1027 if (rx_stats->rs_status & ATH9K_RXERR_CORRUPT_DESC) { 1034 if (rx_stats->rs_status & ATH9K_RXERR_CORRUPT_DESC)
1028 ret = -EINVAL; 1035 goto corrupt;
1029 goto exit;
1030 }
1031 1036
1032 hdr = (struct ieee80211_hdr *) (skb->data + ah->caps.rx_status_len); 1037 hdr = (struct ieee80211_hdr *) (skb->data + ah->caps.rx_status_len);
1033 1038
@@ -1043,18 +1048,15 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc,
1043 if (ath_process_fft(sc, hdr, rx_stats, rx_status->mactime)) 1048 if (ath_process_fft(sc, hdr, rx_stats, rx_status->mactime))
1044 RX_STAT_INC(rx_spectral); 1049 RX_STAT_INC(rx_spectral);
1045 1050
1046 ret = -EINVAL; 1051 return -EINVAL;
1047 goto exit;
1048 } 1052 }
1049 1053
1050 /* 1054 /*
1051 * everything but the rate is checked here, the rate check is done 1055 * everything but the rate is checked here, the rate check is done
1052 * separately to avoid doing two lookups for a rate for each frame. 1056 * separately to avoid doing two lookups for a rate for each frame.
1053 */ 1057 */
1054 if (!ath9k_rx_accept(common, hdr, rx_status, rx_stats, decrypt_error)) { 1058 if (!ath9k_rx_accept(common, hdr, rx_status, rx_stats, decrypt_error))
1055 ret = -EINVAL; 1059 return -EINVAL;
1056 goto exit;
1057 }
1058 1060
1059 if (ath_is_mybeacon(common, hdr)) { 1061 if (ath_is_mybeacon(common, hdr)) {
1060 RX_STAT_INC(rx_beacons); 1062 RX_STAT_INC(rx_beacons);
@@ -1064,15 +1066,11 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc,
1064 /* 1066 /*
1065 * This shouldn't happen, but have a safety check anyway. 1067 * This shouldn't happen, but have a safety check anyway.
1066 */ 1068 */
1067 if (WARN_ON(!ah->curchan)) { 1069 if (WARN_ON(!ah->curchan))
1068 ret = -EINVAL; 1070 return -EINVAL;
1069 goto exit;
1070 }
1071 1071
1072 if (ath9k_process_rate(common, hw, rx_stats, rx_status)) { 1072 if (ath9k_process_rate(common, hw, rx_stats, rx_status))
1073 ret =-EINVAL; 1073 return -EINVAL;
1074 goto exit;
1075 }
1076 1074
1077 ath9k_process_rssi(common, hw, rx_stats, rx_status); 1075 ath9k_process_rssi(common, hw, rx_stats, rx_status);
1078 1076
@@ -1087,9 +1085,11 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc,
1087 sc->rx.num_pkts++; 1085 sc->rx.num_pkts++;
1088#endif 1086#endif
1089 1087
1090exit: 1088 return 0;
1091 sc->rx.discard_next = false; 1089
1092 return ret; 1090corrupt:
1091 sc->rx.discard_next = rx_stats->rs_more;
1092 return -EINVAL;
1093} 1093}
1094 1094
1095static void ath9k_rx_skb_postprocess(struct ath_common *common, 1095static void ath9k_rx_skb_postprocess(struct ath_common *common,
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 0a75e2f68c9d..f042a18c8495 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1444,14 +1444,16 @@ void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc,
1444 for (tidno = 0, tid = &an->tid[tidno]; 1444 for (tidno = 0, tid = &an->tid[tidno];
1445 tidno < IEEE80211_NUM_TIDS; tidno++, tid++) { 1445 tidno < IEEE80211_NUM_TIDS; tidno++, tid++) {
1446 1446
1447 if (!tid->sched)
1448 continue;
1449
1450 ac = tid->ac; 1447 ac = tid->ac;
1451 txq = ac->txq; 1448 txq = ac->txq;
1452 1449
1453 ath_txq_lock(sc, txq); 1450 ath_txq_lock(sc, txq);
1454 1451
1452 if (!tid->sched) {
1453 ath_txq_unlock(sc, txq);
1454 continue;
1455 }
1456
1455 buffered = ath_tid_has_buffered(tid); 1457 buffered = ath_tid_has_buffered(tid);
1456 1458
1457 tid->sched = false; 1459 tid->sched = false;
@@ -2184,14 +2186,15 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
2184 txq->stopped = true; 2186 txq->stopped = true;
2185 } 2187 }
2186 2188
2189 if (txctl->an)
2190 tid = ath_get_skb_tid(sc, txctl->an, skb);
2191
2187 if (info->flags & IEEE80211_TX_CTL_PS_RESPONSE) { 2192 if (info->flags & IEEE80211_TX_CTL_PS_RESPONSE) {
2188 ath_txq_unlock(sc, txq); 2193 ath_txq_unlock(sc, txq);
2189 txq = sc->tx.uapsdq; 2194 txq = sc->tx.uapsdq;
2190 ath_txq_lock(sc, txq); 2195 ath_txq_lock(sc, txq);
2191 } else if (txctl->an && 2196 } else if (txctl->an &&
2192 ieee80211_is_data_present(hdr->frame_control)) { 2197 ieee80211_is_data_present(hdr->frame_control)) {
2193 tid = ath_get_skb_tid(sc, txctl->an, skb);
2194
2195 WARN_ON(tid->ac->txq != txctl->txq); 2198 WARN_ON(tid->ac->txq != txctl->txq);
2196 2199
2197 if (info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT) 2200 if (info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT)
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
index 3e991897d7ca..119ee6eaf1c3 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
@@ -457,7 +457,6 @@ struct brcmf_sdio {
457 457
458 u8 tx_hdrlen; /* sdio bus header length for tx packet */ 458 u8 tx_hdrlen; /* sdio bus header length for tx packet */
459 bool txglom; /* host tx glomming enable flag */ 459 bool txglom; /* host tx glomming enable flag */
460 struct sk_buff *txglom_sgpad; /* scatter-gather padding buffer */
461 u16 head_align; /* buffer pointer alignment */ 460 u16 head_align; /* buffer pointer alignment */
462 u16 sgentry_align; /* scatter-gather buffer alignment */ 461 u16 sgentry_align; /* scatter-gather buffer alignment */
463}; 462};
@@ -1944,9 +1943,8 @@ static int brcmf_sdio_txpkt_prep_sg(struct brcmf_sdio *bus,
1944 if (lastfrm && chain_pad) 1943 if (lastfrm && chain_pad)
1945 tail_pad += blksize - chain_pad; 1944 tail_pad += blksize - chain_pad;
1946 if (skb_tailroom(pkt) < tail_pad && pkt->len > blksize) { 1945 if (skb_tailroom(pkt) < tail_pad && pkt->len > blksize) {
1947 pkt_pad = bus->txglom_sgpad; 1946 pkt_pad = brcmu_pkt_buf_get_skb(tail_pad + tail_chop +
1948 if (pkt_pad == NULL) 1947 bus->head_align);
1949 brcmu_pkt_buf_get_skb(tail_pad + tail_chop);
1950 if (pkt_pad == NULL) 1948 if (pkt_pad == NULL)
1951 return -ENOMEM; 1949 return -ENOMEM;
1952 ret = brcmf_sdio_txpkt_hdalign(bus, pkt_pad); 1950 ret = brcmf_sdio_txpkt_hdalign(bus, pkt_pad);
@@ -1957,6 +1955,7 @@ static int brcmf_sdio_txpkt_prep_sg(struct brcmf_sdio *bus,
1957 tail_chop); 1955 tail_chop);
1958 *(u32 *)(pkt_pad->cb) = ALIGN_SKB_FLAG + tail_chop; 1956 *(u32 *)(pkt_pad->cb) = ALIGN_SKB_FLAG + tail_chop;
1959 skb_trim(pkt, pkt->len - tail_chop); 1957 skb_trim(pkt, pkt->len - tail_chop);
1958 skb_trim(pkt_pad, tail_pad + tail_chop);
1960 __skb_queue_after(pktq, pkt, pkt_pad); 1959 __skb_queue_after(pktq, pkt, pkt_pad);
1961 } else { 1960 } else {
1962 ntail = pkt->data_len + tail_pad - 1961 ntail = pkt->data_len + tail_pad -
@@ -2011,7 +2010,7 @@ brcmf_sdio_txpkt_prep(struct brcmf_sdio *bus, struct sk_buff_head *pktq,
2011 return ret; 2010 return ret;
2012 head_pad = (u16)ret; 2011 head_pad = (u16)ret;
2013 if (head_pad) 2012 if (head_pad)
2014 memset(pkt_next->data, 0, head_pad + bus->tx_hdrlen); 2013 memset(pkt_next->data + bus->tx_hdrlen, 0, head_pad);
2015 2014
2016 total_len += pkt_next->len; 2015 total_len += pkt_next->len;
2017 2016
@@ -3486,10 +3485,6 @@ static int brcmf_sdio_bus_preinit(struct device *dev)
3486 bus->txglom = false; 3485 bus->txglom = false;
3487 value = 1; 3486 value = 1;
3488 pad_size = bus->sdiodev->func[2]->cur_blksize << 1; 3487 pad_size = bus->sdiodev->func[2]->cur_blksize << 1;
3489 bus->txglom_sgpad = brcmu_pkt_buf_get_skb(pad_size);
3490 if (!bus->txglom_sgpad)
3491 brcmf_err("allocating txglom padding skb failed, reduced performance\n");
3492
3493 err = brcmf_iovar_data_set(bus->sdiodev->dev, "bus:rxglom", 3488 err = brcmf_iovar_data_set(bus->sdiodev->dev, "bus:rxglom",
3494 &value, sizeof(u32)); 3489 &value, sizeof(u32));
3495 if (err < 0) { 3490 if (err < 0) {
@@ -4053,7 +4048,6 @@ void brcmf_sdio_remove(struct brcmf_sdio *bus)
4053 brcmf_sdio_chip_detach(&bus->ci); 4048 brcmf_sdio_chip_detach(&bus->ci);
4054 } 4049 }
4055 4050
4056 brcmu_pkt_buf_free_skb(bus->txglom_sgpad);
4057 kfree(bus->rxbuf); 4051 kfree(bus->rxbuf);
4058 kfree(bus->hdrbuf); 4052 kfree(bus->hdrbuf);
4059 kfree(bus); 4053 kfree(bus);
diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c
index d36e252d2ccb..596525528f50 100644
--- a/drivers/net/wireless/hostap/hostap_ap.c
+++ b/drivers/net/wireless/hostap/hostap_ap.c
@@ -147,7 +147,7 @@ static void ap_free_sta(struct ap_data *ap, struct sta_info *sta)
147 147
148 if (!sta->ap && sta->u.sta.challenge) 148 if (!sta->ap && sta->u.sta.challenge)
149 kfree(sta->u.sta.challenge); 149 kfree(sta->u.sta.challenge);
150 del_timer(&sta->timer); 150 del_timer_sync(&sta->timer);
151#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ 151#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
152 152
153 kfree(sta); 153 kfree(sta);
diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c
index c0d070c5df5e..9cdd91cdf661 100644
--- a/drivers/net/wireless/iwlwifi/dvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/dvm/sta.c
@@ -590,6 +590,7 @@ void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id,
590 sizeof(priv->tid_data[sta_id][tid])); 590 sizeof(priv->tid_data[sta_id][tid]));
591 591
592 priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE; 592 priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE;
593 priv->stations[sta_id].used &= ~IWL_STA_UCODE_INPROGRESS;
593 594
594 priv->num_stations--; 595 priv->num_stations--;
595 596
diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c
index a6839dfcb82d..398dd096674c 100644
--- a/drivers/net/wireless/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/tx.c
@@ -1291,8 +1291,6 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
1291 struct iwl_compressed_ba_resp *ba_resp = (void *)pkt->data; 1291 struct iwl_compressed_ba_resp *ba_resp = (void *)pkt->data;
1292 struct iwl_ht_agg *agg; 1292 struct iwl_ht_agg *agg;
1293 struct sk_buff_head reclaimed_skbs; 1293 struct sk_buff_head reclaimed_skbs;
1294 struct ieee80211_tx_info *info;
1295 struct ieee80211_hdr *hdr;
1296 struct sk_buff *skb; 1294 struct sk_buff *skb;
1297 int sta_id; 1295 int sta_id;
1298 int tid; 1296 int tid;
@@ -1379,22 +1377,28 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
1379 freed = 0; 1377 freed = 0;
1380 1378
1381 skb_queue_walk(&reclaimed_skbs, skb) { 1379 skb_queue_walk(&reclaimed_skbs, skb) {
1382 hdr = (struct ieee80211_hdr *)skb->data; 1380 struct ieee80211_hdr *hdr = (void *)skb->data;
1381 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1383 1382
1384 if (ieee80211_is_data_qos(hdr->frame_control)) 1383 if (ieee80211_is_data_qos(hdr->frame_control))
1385 freed++; 1384 freed++;
1386 else 1385 else
1387 WARN_ON_ONCE(1); 1386 WARN_ON_ONCE(1);
1388 1387
1389 info = IEEE80211_SKB_CB(skb);
1390 iwl_trans_free_tx_cmd(priv->trans, info->driver_data[1]); 1388 iwl_trans_free_tx_cmd(priv->trans, info->driver_data[1]);
1391 1389
1390 memset(&info->status, 0, sizeof(info->status));
1391 /* Packet was transmitted successfully, failures come as single
1392 * frames because before failing a frame the firmware transmits
1393 * it without aggregation at least once.
1394 */
1395 info->flags |= IEEE80211_TX_STAT_ACK;
1396
1392 if (freed == 1) { 1397 if (freed == 1) {
1393 /* this is the first skb we deliver in this batch */ 1398 /* this is the first skb we deliver in this batch */
1394 /* put the rate scaling data there */ 1399 /* put the rate scaling data there */
1395 info = IEEE80211_SKB_CB(skb); 1400 info = IEEE80211_SKB_CB(skb);
1396 memset(&info->status, 0, sizeof(info->status)); 1401 memset(&info->status, 0, sizeof(info->status));
1397 info->flags |= IEEE80211_TX_STAT_ACK;
1398 info->flags |= IEEE80211_TX_STAT_AMPDU; 1402 info->flags |= IEEE80211_TX_STAT_AMPDU;
1399 info->status.ampdu_ack_len = ba_resp->txed_2_done; 1403 info->status.ampdu_ack_len = ba_resp->txed_2_done;
1400 info->status.ampdu_len = ba_resp->txed; 1404 info->status.ampdu_len = ba_resp->txed;
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index e4ead86f06d6..2b0ba1fc3c82 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -152,7 +152,7 @@ enum iwl_power_scheme {
152 IWL_POWER_SCHEME_LP 152 IWL_POWER_SCHEME_LP
153}; 153};
154 154
155#define IWL_CONN_MAX_LISTEN_INTERVAL 70 155#define IWL_CONN_MAX_LISTEN_INTERVAL 10
156#define IWL_UAPSD_AC_INFO (IEEE80211_WMM_IE_STA_QOSINFO_AC_VO |\ 156#define IWL_UAPSD_AC_INFO (IEEE80211_WMM_IE_STA_QOSINFO_AC_VO |\
157 IEEE80211_WMM_IE_STA_QOSINFO_AC_VI |\ 157 IEEE80211_WMM_IE_STA_QOSINFO_AC_VI |\
158 IEEE80211_WMM_IE_STA_QOSINFO_AC_BK |\ 158 IEEE80211_WMM_IE_STA_QOSINFO_AC_BK |\
diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c
index 4df12fa9d336..76ee486039d7 100644
--- a/drivers/net/wireless/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/mvm/tx.c
@@ -822,16 +822,12 @@ int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
822 struct iwl_mvm_ba_notif *ba_notif = (void *)pkt->data; 822 struct iwl_mvm_ba_notif *ba_notif = (void *)pkt->data;
823 struct sk_buff_head reclaimed_skbs; 823 struct sk_buff_head reclaimed_skbs;
824 struct iwl_mvm_tid_data *tid_data; 824 struct iwl_mvm_tid_data *tid_data;
825 struct ieee80211_tx_info *info;
826 struct ieee80211_sta *sta; 825 struct ieee80211_sta *sta;
827 struct iwl_mvm_sta *mvmsta; 826 struct iwl_mvm_sta *mvmsta;
828 struct ieee80211_hdr *hdr;
829 struct sk_buff *skb; 827 struct sk_buff *skb;
830 int sta_id, tid, freed; 828 int sta_id, tid, freed;
831
832 /* "flow" corresponds to Tx queue */ 829 /* "flow" corresponds to Tx queue */
833 u16 scd_flow = le16_to_cpu(ba_notif->scd_flow); 830 u16 scd_flow = le16_to_cpu(ba_notif->scd_flow);
834
835 /* "ssn" is start of block-ack Tx window, corresponds to index 831 /* "ssn" is start of block-ack Tx window, corresponds to index
836 * (in Tx queue's circular buffer) of first TFD/frame in window */ 832 * (in Tx queue's circular buffer) of first TFD/frame in window */
837 u16 ba_resp_scd_ssn = le16_to_cpu(ba_notif->scd_ssn); 833 u16 ba_resp_scd_ssn = le16_to_cpu(ba_notif->scd_ssn);
@@ -888,22 +884,26 @@ int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
888 freed = 0; 884 freed = 0;
889 885
890 skb_queue_walk(&reclaimed_skbs, skb) { 886 skb_queue_walk(&reclaimed_skbs, skb) {
891 hdr = (struct ieee80211_hdr *)skb->data; 887 struct ieee80211_hdr *hdr = (void *)skb->data;
888 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
892 889
893 if (ieee80211_is_data_qos(hdr->frame_control)) 890 if (ieee80211_is_data_qos(hdr->frame_control))
894 freed++; 891 freed++;
895 else 892 else
896 WARN_ON_ONCE(1); 893 WARN_ON_ONCE(1);
897 894
898 info = IEEE80211_SKB_CB(skb);
899 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); 895 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
900 896
897 memset(&info->status, 0, sizeof(info->status));
898 /* Packet was transmitted successfully, failures come as single
899 * frames because before failing a frame the firmware transmits
900 * it without aggregation at least once.
901 */
902 info->flags |= IEEE80211_TX_STAT_ACK;
903
901 if (freed == 1) { 904 if (freed == 1) {
902 /* this is the first skb we deliver in this batch */ 905 /* this is the first skb we deliver in this batch */
903 /* put the rate scaling data there */ 906 /* put the rate scaling data there */
904 info = IEEE80211_SKB_CB(skb);
905 memset(&info->status, 0, sizeof(info->status));
906 info->flags |= IEEE80211_TX_STAT_ACK;
907 info->flags |= IEEE80211_TX_STAT_AMPDU; 907 info->flags |= IEEE80211_TX_STAT_AMPDU;
908 info->status.ampdu_ack_len = ba_notif->txed_2_done; 908 info->status.ampdu_ack_len = ba_notif->txed_2_done;
909 info->status.ampdu_len = ba_notif->txed; 909 info->status.ampdu_len = ba_notif->txed;
diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c
index 32f75007a825..cb6d189bc3e6 100644
--- a/drivers/net/wireless/libertas/cfg.c
+++ b/drivers/net/wireless/libertas/cfg.c
@@ -621,7 +621,7 @@ static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy,
621 id = *pos++; 621 id = *pos++;
622 elen = *pos++; 622 elen = *pos++;
623 left -= 2; 623 left -= 2;
624 if (elen > left || elen == 0) { 624 if (elen > left) {
625 lbs_deb_scan("scan response: invalid IE fmt\n"); 625 lbs_deb_scan("scan response: invalid IE fmt\n");
626 goto done; 626 goto done;
627 } 627 }
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 03688aa14e8a..7fe7b53fb17a 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -1211,6 +1211,12 @@ static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter)
1211 rd_index = card->rxbd_rdptr & reg->rx_mask; 1211 rd_index = card->rxbd_rdptr & reg->rx_mask;
1212 skb_data = card->rx_buf_list[rd_index]; 1212 skb_data = card->rx_buf_list[rd_index];
1213 1213
1214 /* If skb allocation was failed earlier for Rx packet,
1215 * rx_buf_list[rd_index] would have been left with a NULL.
1216 */
1217 if (!skb_data)
1218 return -ENOMEM;
1219
1214 MWIFIEX_SKB_PACB(skb_data, &buf_pa); 1220 MWIFIEX_SKB_PACB(skb_data, &buf_pa);
1215 pci_unmap_single(card->dev, buf_pa, MWIFIEX_RX_DATA_BUF_SIZE, 1221 pci_unmap_single(card->dev, buf_pa, MWIFIEX_RX_DATA_BUF_SIZE,
1216 PCI_DMA_FROMDEVICE); 1222 PCI_DMA_FROMDEVICE);
@@ -1525,6 +1531,14 @@ static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter)
1525 if (adapter->ps_state == PS_STATE_SLEEP_CFM) { 1531 if (adapter->ps_state == PS_STATE_SLEEP_CFM) {
1526 mwifiex_process_sleep_confirm_resp(adapter, skb->data, 1532 mwifiex_process_sleep_confirm_resp(adapter, skb->data,
1527 skb->len); 1533 skb->len);
1534 mwifiex_pcie_enable_host_int(adapter);
1535 if (mwifiex_write_reg(adapter,
1536 PCIE_CPU_INT_EVENT,
1537 CPU_INTR_SLEEP_CFM_DONE)) {
1538 dev_warn(adapter->dev,
1539 "Write register failed\n");
1540 return -1;
1541 }
1528 while (reg->sleep_cookie && (count++ < 10) && 1542 while (reg->sleep_cookie && (count++ < 10) &&
1529 mwifiex_pcie_ok_to_access_hw(adapter)) 1543 mwifiex_pcie_ok_to_access_hw(adapter))
1530 usleep_range(50, 60); 1544 usleep_range(50, 60);
@@ -1993,23 +2007,9 @@ static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter)
1993 adapter->int_status |= pcie_ireg; 2007 adapter->int_status |= pcie_ireg;
1994 spin_unlock_irqrestore(&adapter->int_lock, flags); 2008 spin_unlock_irqrestore(&adapter->int_lock, flags);
1995 2009
1996 if (pcie_ireg & HOST_INTR_CMD_DONE) { 2010 if (!adapter->pps_uapsd_mode &&
1997 if ((adapter->ps_state == PS_STATE_SLEEP_CFM) || 2011 adapter->ps_state == PS_STATE_SLEEP &&
1998 (adapter->ps_state == PS_STATE_SLEEP)) { 2012 mwifiex_pcie_ok_to_access_hw(adapter)) {
1999 mwifiex_pcie_enable_host_int(adapter);
2000 if (mwifiex_write_reg(adapter,
2001 PCIE_CPU_INT_EVENT,
2002 CPU_INTR_SLEEP_CFM_DONE)
2003 ) {
2004 dev_warn(adapter->dev,
2005 "Write register failed\n");
2006 return;
2007
2008 }
2009 }
2010 } else if (!adapter->pps_uapsd_mode &&
2011 adapter->ps_state == PS_STATE_SLEEP &&
2012 mwifiex_pcie_ok_to_access_hw(adapter)) {
2013 /* Potentially for PCIe we could get other 2013 /* Potentially for PCIe we could get other
2014 * interrupts like shared. Don't change power 2014 * interrupts like shared. Don't change power
2015 * state until cookie is set */ 2015 * state until cookie is set */
diff --git a/drivers/net/wireless/mwifiex/usb.c b/drivers/net/wireless/mwifiex/usb.c
index e8ebbd4bc3cd..208748804a55 100644
--- a/drivers/net/wireless/mwifiex/usb.c
+++ b/drivers/net/wireless/mwifiex/usb.c
@@ -22,8 +22,6 @@
22 22
23#define USB_VERSION "1.0" 23#define USB_VERSION "1.0"
24 24
25static const char usbdriver_name[] = "usb8xxx";
26
27static struct mwifiex_if_ops usb_ops; 25static struct mwifiex_if_ops usb_ops;
28static struct semaphore add_remove_card_sem; 26static struct semaphore add_remove_card_sem;
29static struct usb_card_rec *usb_card; 27static struct usb_card_rec *usb_card;
@@ -527,13 +525,6 @@ static int mwifiex_usb_resume(struct usb_interface *intf)
527 MWIFIEX_BSS_ROLE_ANY), 525 MWIFIEX_BSS_ROLE_ANY),
528 MWIFIEX_ASYNC_CMD); 526 MWIFIEX_ASYNC_CMD);
529 527
530#ifdef CONFIG_PM
531 /* Resume handler may be called due to remote wakeup,
532 * force to exit suspend anyway
533 */
534 usb_disable_autosuspend(card->udev);
535#endif /* CONFIG_PM */
536
537 return 0; 528 return 0;
538} 529}
539 530
@@ -567,13 +558,12 @@ static void mwifiex_usb_disconnect(struct usb_interface *intf)
567} 558}
568 559
569static struct usb_driver mwifiex_usb_driver = { 560static struct usb_driver mwifiex_usb_driver = {
570 .name = usbdriver_name, 561 .name = "mwifiex_usb",
571 .probe = mwifiex_usb_probe, 562 .probe = mwifiex_usb_probe,
572 .disconnect = mwifiex_usb_disconnect, 563 .disconnect = mwifiex_usb_disconnect,
573 .id_table = mwifiex_usb_table, 564 .id_table = mwifiex_usb_table,
574 .suspend = mwifiex_usb_suspend, 565 .suspend = mwifiex_usb_suspend,
575 .resume = mwifiex_usb_resume, 566 .resume = mwifiex_usb_resume,
576 .supports_autosuspend = 1,
577}; 567};
578 568
579static int mwifiex_usb_tx_init(struct mwifiex_adapter *adapter) 569static int mwifiex_usb_tx_init(struct mwifiex_adapter *adapter)
diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c
index 13eaeed03898..981cf6e7c73b 100644
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -559,7 +559,8 @@ mwifiex_clean_txrx(struct mwifiex_private *priv)
559 mwifiex_wmm_delete_all_ralist(priv); 559 mwifiex_wmm_delete_all_ralist(priv);
560 memcpy(tos_to_tid, ac_to_tid, sizeof(tos_to_tid)); 560 memcpy(tos_to_tid, ac_to_tid, sizeof(tos_to_tid));
561 561
562 if (priv->adapter->if_ops.clean_pcie_ring) 562 if (priv->adapter->if_ops.clean_pcie_ring &&
563 !priv->adapter->surprise_removed)
563 priv->adapter->if_ops.clean_pcie_ring(priv->adapter); 564 priv->adapter->if_ops.clean_pcie_ring(priv->adapter);
564 spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags); 565 spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags);
565} 566}
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index f9daa9e183f2..e30d80033cbc 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -907,6 +907,7 @@ static int handle_incoming_queue(struct net_device *dev,
907 907
908 /* Ethernet work: Delayed to here as it peeks the header. */ 908 /* Ethernet work: Delayed to here as it peeks the header. */
909 skb->protocol = eth_type_trans(skb, dev); 909 skb->protocol = eth_type_trans(skb, dev);
910 skb_reset_network_header(skb);
910 911
911 if (checksum_setup(dev, skb)) { 912 if (checksum_setup(dev, skb)) {
912 kfree_skb(skb); 913 kfree_skb(skb);
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index be361b7cd30f..1e4e69384baa 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -217,7 +217,7 @@ config PINCTRL_IMX28
217 select PINCTRL_MXS 217 select PINCTRL_MXS
218 218
219config PINCTRL_MSM 219config PINCTRL_MSM
220 tristate 220 bool
221 select PINMUX 221 select PINMUX
222 select PINCONF 222 select PINCONF
223 select GENERIC_PINCONF 223 select GENERIC_PINCONF
diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c
index 9ccf681dad2f..f9fabe9bf47d 100644
--- a/drivers/pinctrl/pinctrl-sunxi.c
+++ b/drivers/pinctrl/pinctrl-sunxi.c
@@ -14,6 +14,7 @@
14#include <linux/clk.h> 14#include <linux/clk.h>
15#include <linux/gpio.h> 15#include <linux/gpio.h>
16#include <linux/irqdomain.h> 16#include <linux/irqdomain.h>
17#include <linux/irqchip/chained_irq.h>
17#include <linux/module.h> 18#include <linux/module.h>
18#include <linux/of.h> 19#include <linux/of.h>
19#include <linux/of_address.h> 20#include <linux/of_address.h>
@@ -584,7 +585,7 @@ static int sunxi_pinctrl_irq_set_type(struct irq_data *d,
584 spin_lock_irqsave(&pctl->lock, flags); 585 spin_lock_irqsave(&pctl->lock, flags);
585 586
586 regval = readl(pctl->membase + reg); 587 regval = readl(pctl->membase + reg);
587 regval &= ~IRQ_CFG_IRQ_MASK; 588 regval &= ~(IRQ_CFG_IRQ_MASK << index);
588 writel(regval | (mode << index), pctl->membase + reg); 589 writel(regval | (mode << index), pctl->membase + reg);
589 590
590 spin_unlock_irqrestore(&pctl->lock, flags); 591 spin_unlock_irqrestore(&pctl->lock, flags);
@@ -665,6 +666,7 @@ static struct irq_chip sunxi_pinctrl_irq_chip = {
665 666
666static void sunxi_pinctrl_irq_handler(unsigned irq, struct irq_desc *desc) 667static void sunxi_pinctrl_irq_handler(unsigned irq, struct irq_desc *desc)
667{ 668{
669 struct irq_chip *chip = irq_get_chip(irq);
668 struct sunxi_pinctrl *pctl = irq_get_handler_data(irq); 670 struct sunxi_pinctrl *pctl = irq_get_handler_data(irq);
669 const unsigned long reg = readl(pctl->membase + IRQ_STATUS_REG); 671 const unsigned long reg = readl(pctl->membase + IRQ_STATUS_REG);
670 672
@@ -674,10 +676,12 @@ static void sunxi_pinctrl_irq_handler(unsigned irq, struct irq_desc *desc)
674 if (reg) { 676 if (reg) {
675 int irqoffset; 677 int irqoffset;
676 678
679 chained_irq_enter(chip, desc);
677 for_each_set_bit(irqoffset, &reg, SUNXI_IRQ_NUMBER) { 680 for_each_set_bit(irqoffset, &reg, SUNXI_IRQ_NUMBER) {
678 int pin_irq = irq_find_mapping(pctl->domain, irqoffset); 681 int pin_irq = irq_find_mapping(pctl->domain, irqoffset);
679 generic_handle_irq(pin_irq); 682 generic_handle_irq(pin_irq);
680 } 683 }
684 chained_irq_exit(chip, desc);
681 } 685 }
682} 686}
683 687
diff --git a/drivers/pinctrl/pinctrl-sunxi.h b/drivers/pinctrl/pinctrl-sunxi.h
index 01c494f8a14f..552b0e97077a 100644
--- a/drivers/pinctrl/pinctrl-sunxi.h
+++ b/drivers/pinctrl/pinctrl-sunxi.h
@@ -511,7 +511,7 @@ static inline u32 sunxi_pull_offset(u16 pin)
511 511
512static inline u32 sunxi_irq_cfg_reg(u16 irq) 512static inline u32 sunxi_irq_cfg_reg(u16 irq)
513{ 513{
514 u8 reg = irq / IRQ_CFG_IRQ_PER_REG; 514 u8 reg = irq / IRQ_CFG_IRQ_PER_REG * 0x04;
515 return reg + IRQ_CFG_REG; 515 return reg + IRQ_CFG_REG;
516} 516}
517 517
@@ -523,7 +523,7 @@ static inline u32 sunxi_irq_cfg_offset(u16 irq)
523 523
524static inline u32 sunxi_irq_ctrl_reg(u16 irq) 524static inline u32 sunxi_irq_ctrl_reg(u16 irq)
525{ 525{
526 u8 reg = irq / IRQ_CTRL_IRQ_PER_REG; 526 u8 reg = irq / IRQ_CTRL_IRQ_PER_REG * 0x04;
527 return reg + IRQ_CTRL_REG; 527 return reg + IRQ_CTRL_REG;
528} 528}
529 529
@@ -535,7 +535,7 @@ static inline u32 sunxi_irq_ctrl_offset(u16 irq)
535 535
536static inline u32 sunxi_irq_status_reg(u16 irq) 536static inline u32 sunxi_irq_status_reg(u16 irq)
537{ 537{
538 u8 reg = irq / IRQ_STATUS_IRQ_PER_REG; 538 u8 reg = irq / IRQ_STATUS_IRQ_PER_REG * 0x04;
539 return reg + IRQ_STATUS_REG; 539 return reg + IRQ_STATUS_REG;
540} 540}
541 541
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7791.c b/drivers/pinctrl/sh-pfc/pfc-r8a7791.c
index 77d103fe39d9..567d6918d50b 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7791.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7791.c
@@ -89,7 +89,8 @@ enum {
89 89
90 /* GPSR6 */ 90 /* GPSR6 */
91 FN_IP13_10, FN_IP13_11, FN_IP13_12, FN_IP13_13, FN_IP13_14, 91 FN_IP13_10, FN_IP13_11, FN_IP13_12, FN_IP13_13, FN_IP13_14,
92 FN_IP13_15, FN_IP13_18_16, FN_IP13_21_19, FN_IP13_22, FN_IP13_24_23, 92 FN_IP13_15, FN_IP13_18_16, FN_IP13_21_19,
93 FN_IP13_22, FN_IP13_24_23, FN_SD1_CLK,
93 FN_IP13_25, FN_IP13_26, FN_IP13_27, FN_IP13_30_28, FN_IP14_1_0, 94 FN_IP13_25, FN_IP13_26, FN_IP13_27, FN_IP13_30_28, FN_IP14_1_0,
94 FN_IP14_2, FN_IP14_3, FN_IP14_4, FN_IP14_5, FN_IP14_6, FN_IP14_7, 95 FN_IP14_2, FN_IP14_3, FN_IP14_4, FN_IP14_5, FN_IP14_6, FN_IP14_7,
95 FN_IP14_10_8, FN_IP14_13_11, FN_IP14_16_14, FN_IP14_19_17, 96 FN_IP14_10_8, FN_IP14_13_11, FN_IP14_16_14, FN_IP14_19_17,
@@ -788,6 +789,7 @@ static const u16 pinmux_data[] = {
788 PINMUX_DATA(USB1_PWEN_MARK, FN_USB1_PWEN), 789 PINMUX_DATA(USB1_PWEN_MARK, FN_USB1_PWEN),
789 PINMUX_DATA(USB1_OVC_MARK, FN_USB1_OVC), 790 PINMUX_DATA(USB1_OVC_MARK, FN_USB1_OVC),
790 PINMUX_DATA(DU0_DOTCLKIN_MARK, FN_DU0_DOTCLKIN), 791 PINMUX_DATA(DU0_DOTCLKIN_MARK, FN_DU0_DOTCLKIN),
792 PINMUX_DATA(SD1_CLK_MARK, FN_SD1_CLK),
791 793
792 /* IPSR0 */ 794 /* IPSR0 */
793 PINMUX_IPSR_DATA(IP0_0, D0), 795 PINMUX_IPSR_DATA(IP0_0, D0),
@@ -3825,7 +3827,7 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
3825 GP_6_11_FN, FN_IP13_25, 3827 GP_6_11_FN, FN_IP13_25,
3826 GP_6_10_FN, FN_IP13_24_23, 3828 GP_6_10_FN, FN_IP13_24_23,
3827 GP_6_9_FN, FN_IP13_22, 3829 GP_6_9_FN, FN_IP13_22,
3828 0, 0, 3830 GP_6_8_FN, FN_SD1_CLK,
3829 GP_6_7_FN, FN_IP13_21_19, 3831 GP_6_7_FN, FN_IP13_21_19,
3830 GP_6_6_FN, FN_IP13_18_16, 3832 GP_6_6_FN, FN_IP13_18_16,
3831 GP_6_5_FN, FN_IP13_15, 3833 GP_6_5_FN, FN_IP13_15,
diff --git a/drivers/pinctrl/sirf/pinctrl-sirf.c b/drivers/pinctrl/sirf/pinctrl-sirf.c
index a0d6152701cd..617a4916b50f 100644
--- a/drivers/pinctrl/sirf/pinctrl-sirf.c
+++ b/drivers/pinctrl/sirf/pinctrl-sirf.c
@@ -598,7 +598,7 @@ static unsigned int sirfsoc_gpio_irq_startup(struct irq_data *d)
598{ 598{
599 struct sirfsoc_gpio_bank *bank = irq_data_get_irq_chip_data(d); 599 struct sirfsoc_gpio_bank *bank = irq_data_get_irq_chip_data(d);
600 600
601 if (gpio_lock_as_irq(&bank->chip.gc, d->hwirq)) 601 if (gpio_lock_as_irq(&bank->chip.gc, d->hwirq % SIRFSOC_GPIO_BANK_SIZE))
602 dev_err(bank->chip.gc.dev, 602 dev_err(bank->chip.gc.dev,
603 "unable to lock HW IRQ %lu for IRQ\n", 603 "unable to lock HW IRQ %lu for IRQ\n",
604 d->hwirq); 604 d->hwirq);
@@ -611,7 +611,7 @@ static void sirfsoc_gpio_irq_shutdown(struct irq_data *d)
611 struct sirfsoc_gpio_bank *bank = irq_data_get_irq_chip_data(d); 611 struct sirfsoc_gpio_bank *bank = irq_data_get_irq_chip_data(d);
612 612
613 sirfsoc_gpio_irq_mask(d); 613 sirfsoc_gpio_irq_mask(d);
614 gpio_unlock_as_irq(&bank->chip.gc, d->hwirq); 614 gpio_unlock_as_irq(&bank->chip.gc, d->hwirq % SIRFSOC_GPIO_BANK_SIZE);
615} 615}
616 616
617static struct irq_chip sirfsoc_irq_chip = { 617static struct irq_chip sirfsoc_irq_chip = {
diff --git a/drivers/pwm/pwm-lp3943.c b/drivers/pwm/pwm-lp3943.c
index 8a843a04c224..a40b9c34e9ff 100644
--- a/drivers/pwm/pwm-lp3943.c
+++ b/drivers/pwm/pwm-lp3943.c
@@ -52,8 +52,10 @@ lp3943_pwm_request_map(struct lp3943_pwm *lp3943_pwm, int hwpwm)
52 offset = pwm_map->output[i]; 52 offset = pwm_map->output[i];
53 53
54 /* Return an error if the pin is already assigned */ 54 /* Return an error if the pin is already assigned */
55 if (test_and_set_bit(offset, &lp3943->pin_used)) 55 if (test_and_set_bit(offset, &lp3943->pin_used)) {
56 kfree(pwm_map);
56 return ERR_PTR(-EBUSY); 57 return ERR_PTR(-EBUSY);
58 }
57 } 59 }
58 60
59 return pwm_map; 61 return pwm_map;
diff --git a/drivers/rapidio/devices/tsi721.h b/drivers/rapidio/devices/tsi721.h
index b4b0d83f9ef6..7061ac0ad428 100644
--- a/drivers/rapidio/devices/tsi721.h
+++ b/drivers/rapidio/devices/tsi721.h
@@ -678,6 +678,7 @@ struct tsi721_bdma_chan {
678 struct list_head free_list; 678 struct list_head free_list;
679 dma_cookie_t completed_cookie; 679 dma_cookie_t completed_cookie;
680 struct tasklet_struct tasklet; 680 struct tasklet_struct tasklet;
681 bool active;
681}; 682};
682 683
683#endif /* CONFIG_RAPIDIO_DMA_ENGINE */ 684#endif /* CONFIG_RAPIDIO_DMA_ENGINE */
diff --git a/drivers/rapidio/devices/tsi721_dma.c b/drivers/rapidio/devices/tsi721_dma.c
index 502663f5f7c6..91245f5dbe81 100644
--- a/drivers/rapidio/devices/tsi721_dma.c
+++ b/drivers/rapidio/devices/tsi721_dma.c
@@ -206,8 +206,8 @@ void tsi721_bdma_handler(struct tsi721_bdma_chan *bdma_chan)
206{ 206{
207 /* Disable BDMA channel interrupts */ 207 /* Disable BDMA channel interrupts */
208 iowrite32(0, bdma_chan->regs + TSI721_DMAC_INTE); 208 iowrite32(0, bdma_chan->regs + TSI721_DMAC_INTE);
209 209 if (bdma_chan->active)
210 tasklet_schedule(&bdma_chan->tasklet); 210 tasklet_schedule(&bdma_chan->tasklet);
211} 211}
212 212
213#ifdef CONFIG_PCI_MSI 213#ifdef CONFIG_PCI_MSI
@@ -562,7 +562,7 @@ static int tsi721_alloc_chan_resources(struct dma_chan *dchan)
562 } 562 }
563#endif /* CONFIG_PCI_MSI */ 563#endif /* CONFIG_PCI_MSI */
564 564
565 tasklet_enable(&bdma_chan->tasklet); 565 bdma_chan->active = true;
566 tsi721_bdma_interrupt_enable(bdma_chan, 1); 566 tsi721_bdma_interrupt_enable(bdma_chan, 1);
567 567
568 return bdma_chan->bd_num - 1; 568 return bdma_chan->bd_num - 1;
@@ -576,9 +576,7 @@ err_out:
576static void tsi721_free_chan_resources(struct dma_chan *dchan) 576static void tsi721_free_chan_resources(struct dma_chan *dchan)
577{ 577{
578 struct tsi721_bdma_chan *bdma_chan = to_tsi721_chan(dchan); 578 struct tsi721_bdma_chan *bdma_chan = to_tsi721_chan(dchan);
579#ifdef CONFIG_PCI_MSI
580 struct tsi721_device *priv = to_tsi721(dchan->device); 579 struct tsi721_device *priv = to_tsi721(dchan->device);
581#endif
582 LIST_HEAD(list); 580 LIST_HEAD(list);
583 581
584 dev_dbg(dchan->device->dev, "%s: Entry\n", __func__); 582 dev_dbg(dchan->device->dev, "%s: Entry\n", __func__);
@@ -589,14 +587,25 @@ static void tsi721_free_chan_resources(struct dma_chan *dchan)
589 BUG_ON(!list_empty(&bdma_chan->active_list)); 587 BUG_ON(!list_empty(&bdma_chan->active_list));
590 BUG_ON(!list_empty(&bdma_chan->queue)); 588 BUG_ON(!list_empty(&bdma_chan->queue));
591 589
592 tasklet_disable(&bdma_chan->tasklet); 590 tsi721_bdma_interrupt_enable(bdma_chan, 0);
591 bdma_chan->active = false;
592
593#ifdef CONFIG_PCI_MSI
594 if (priv->flags & TSI721_USING_MSIX) {
595 synchronize_irq(priv->msix[TSI721_VECT_DMA0_DONE +
596 bdma_chan->id].vector);
597 synchronize_irq(priv->msix[TSI721_VECT_DMA0_INT +
598 bdma_chan->id].vector);
599 } else
600#endif
601 synchronize_irq(priv->pdev->irq);
602
603 tasklet_kill(&bdma_chan->tasklet);
593 604
594 spin_lock_bh(&bdma_chan->lock); 605 spin_lock_bh(&bdma_chan->lock);
595 list_splice_init(&bdma_chan->free_list, &list); 606 list_splice_init(&bdma_chan->free_list, &list);
596 spin_unlock_bh(&bdma_chan->lock); 607 spin_unlock_bh(&bdma_chan->lock);
597 608
598 tsi721_bdma_interrupt_enable(bdma_chan, 0);
599
600#ifdef CONFIG_PCI_MSI 609#ifdef CONFIG_PCI_MSI
601 if (priv->flags & TSI721_USING_MSIX) { 610 if (priv->flags & TSI721_USING_MSIX) {
602 free_irq(priv->msix[TSI721_VECT_DMA0_DONE + 611 free_irq(priv->msix[TSI721_VECT_DMA0_DONE +
@@ -790,6 +799,7 @@ int tsi721_register_dma(struct tsi721_device *priv)
790 bdma_chan->dchan.cookie = 1; 799 bdma_chan->dchan.cookie = 1;
791 bdma_chan->dchan.chan_id = i; 800 bdma_chan->dchan.chan_id = i;
792 bdma_chan->id = i; 801 bdma_chan->id = i;
802 bdma_chan->active = false;
793 803
794 spin_lock_init(&bdma_chan->lock); 804 spin_lock_init(&bdma_chan->lock);
795 805
@@ -799,7 +809,6 @@ int tsi721_register_dma(struct tsi721_device *priv)
799 809
800 tasklet_init(&bdma_chan->tasklet, tsi721_dma_tasklet, 810 tasklet_init(&bdma_chan->tasklet, tsi721_dma_tasklet,
801 (unsigned long)bdma_chan); 811 (unsigned long)bdma_chan);
802 tasklet_disable(&bdma_chan->tasklet);
803 list_add_tail(&bdma_chan->dchan.device_node, 812 list_add_tail(&bdma_chan->dchan.device_node,
804 &mport->dma.channels); 813 &mport->dma.channels);
805 } 814 }
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index d1ac4caaf1b0..afca1bc24f26 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -953,6 +953,8 @@ static int machine_constraints_current(struct regulator_dev *rdev,
953 return 0; 953 return 0;
954} 954}
955 955
956static int _regulator_do_enable(struct regulator_dev *rdev);
957
956/** 958/**
957 * set_machine_constraints - sets regulator constraints 959 * set_machine_constraints - sets regulator constraints
958 * @rdev: regulator source 960 * @rdev: regulator source
@@ -1013,10 +1015,9 @@ static int set_machine_constraints(struct regulator_dev *rdev,
1013 /* If the constraints say the regulator should be on at this point 1015 /* If the constraints say the regulator should be on at this point
1014 * and we have control then make sure it is enabled. 1016 * and we have control then make sure it is enabled.
1015 */ 1017 */
1016 if ((rdev->constraints->always_on || rdev->constraints->boot_on) && 1018 if (rdev->constraints->always_on || rdev->constraints->boot_on) {
1017 ops->enable) { 1019 ret = _regulator_do_enable(rdev);
1018 ret = ops->enable(rdev); 1020 if (ret < 0 && ret != -EINVAL) {
1019 if (ret < 0) {
1020 rdev_err(rdev, "failed to enable\n"); 1021 rdev_err(rdev, "failed to enable\n");
1021 goto out; 1022 goto out;
1022 } 1023 }
@@ -1907,8 +1908,6 @@ static int _regulator_do_disable(struct regulator_dev *rdev)
1907 1908
1908 trace_regulator_disable_complete(rdev_get_name(rdev)); 1909 trace_regulator_disable_complete(rdev_get_name(rdev));
1909 1910
1910 _notifier_call_chain(rdev, REGULATOR_EVENT_DISABLE,
1911 NULL);
1912 return 0; 1911 return 0;
1913} 1912}
1914 1913
@@ -1932,6 +1931,8 @@ static int _regulator_disable(struct regulator_dev *rdev)
1932 rdev_err(rdev, "failed to disable\n"); 1931 rdev_err(rdev, "failed to disable\n");
1933 return ret; 1932 return ret;
1934 } 1933 }
1934 _notifier_call_chain(rdev, REGULATOR_EVENT_DISABLE,
1935 NULL);
1935 } 1936 }
1936 1937
1937 rdev->use_count = 0; 1938 rdev->use_count = 0;
@@ -1984,20 +1985,16 @@ static int _regulator_force_disable(struct regulator_dev *rdev)
1984{ 1985{
1985 int ret = 0; 1986 int ret = 0;
1986 1987
1987 /* force disable */ 1988 ret = _regulator_do_disable(rdev);
1988 if (rdev->desc->ops->disable) { 1989 if (ret < 0) {
1989 /* ah well, who wants to live forever... */ 1990 rdev_err(rdev, "failed to force disable\n");
1990 ret = rdev->desc->ops->disable(rdev); 1991 return ret;
1991 if (ret < 0) {
1992 rdev_err(rdev, "failed to force disable\n");
1993 return ret;
1994 }
1995 /* notify other consumers that power has been forced off */
1996 _notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE |
1997 REGULATOR_EVENT_DISABLE, NULL);
1998 } 1992 }
1999 1993
2000 return ret; 1994 _notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE |
1995 REGULATOR_EVENT_DISABLE, NULL);
1996
1997 return 0;
2001} 1998}
2002 1999
2003/** 2000/**
@@ -3630,23 +3627,18 @@ int regulator_suspend_finish(void)
3630 3627
3631 mutex_lock(&regulator_list_mutex); 3628 mutex_lock(&regulator_list_mutex);
3632 list_for_each_entry(rdev, &regulator_list, list) { 3629 list_for_each_entry(rdev, &regulator_list, list) {
3633 struct regulator_ops *ops = rdev->desc->ops;
3634
3635 mutex_lock(&rdev->mutex); 3630 mutex_lock(&rdev->mutex);
3636 if ((rdev->use_count > 0 || rdev->constraints->always_on) && 3631 if (rdev->use_count > 0 || rdev->constraints->always_on) {
3637 ops->enable) { 3632 error = _regulator_do_enable(rdev);
3638 error = ops->enable(rdev);
3639 if (error) 3633 if (error)
3640 ret = error; 3634 ret = error;
3641 } else { 3635 } else {
3642 if (!have_full_constraints()) 3636 if (!have_full_constraints())
3643 goto unlock; 3637 goto unlock;
3644 if (!ops->disable)
3645 goto unlock;
3646 if (!_regulator_is_enabled(rdev)) 3638 if (!_regulator_is_enabled(rdev))
3647 goto unlock; 3639 goto unlock;
3648 3640
3649 error = ops->disable(rdev); 3641 error = _regulator_do_disable(rdev);
3650 if (error) 3642 if (error)
3651 ret = error; 3643 ret = error;
3652 } 3644 }
@@ -3820,7 +3812,7 @@ static int __init regulator_init_complete(void)
3820 ops = rdev->desc->ops; 3812 ops = rdev->desc->ops;
3821 c = rdev->constraints; 3813 c = rdev->constraints;
3822 3814
3823 if (!ops->disable || (c && c->always_on)) 3815 if (c && c->always_on)
3824 continue; 3816 continue;
3825 3817
3826 mutex_lock(&rdev->mutex); 3818 mutex_lock(&rdev->mutex);
@@ -3841,7 +3833,7 @@ static int __init regulator_init_complete(void)
3841 /* We log since this may kill the system if it 3833 /* We log since this may kill the system if it
3842 * goes wrong. */ 3834 * goes wrong. */
3843 rdev_info(rdev, "disabling\n"); 3835 rdev_info(rdev, "disabling\n");
3844 ret = ops->disable(rdev); 3836 ret = _regulator_do_disable(rdev);
3845 if (ret != 0) 3837 if (ret != 0)
3846 rdev_err(rdev, "couldn't disable: %d\n", ret); 3838 rdev_err(rdev, "couldn't disable: %d\n", ret);
3847 } else { 3839 } else {
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 7afd373b9595..c4cde9c08f1f 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -580,10 +580,12 @@ static int s3c_rtc_suspend(struct device *dev)
580 580
581 clk_enable(rtc_clk); 581 clk_enable(rtc_clk);
582 /* save TICNT for anyone using periodic interrupts */ 582 /* save TICNT for anyone using periodic interrupts */
583 ticnt_save = readb(s3c_rtc_base + S3C2410_TICNT);
584 if (s3c_rtc_cpu_type == TYPE_S3C64XX) { 583 if (s3c_rtc_cpu_type == TYPE_S3C64XX) {
585 ticnt_en_save = readw(s3c_rtc_base + S3C2410_RTCCON); 584 ticnt_en_save = readw(s3c_rtc_base + S3C2410_RTCCON);
586 ticnt_en_save &= S3C64XX_RTCCON_TICEN; 585 ticnt_en_save &= S3C64XX_RTCCON_TICEN;
586 ticnt_save = readl(s3c_rtc_base + S3C2410_TICNT);
587 } else {
588 ticnt_save = readb(s3c_rtc_base + S3C2410_TICNT);
587 } 589 }
588 s3c_rtc_enable(pdev, 0); 590 s3c_rtc_enable(pdev, 0);
589 591
@@ -605,10 +607,15 @@ static int s3c_rtc_resume(struct device *dev)
605 607
606 clk_enable(rtc_clk); 608 clk_enable(rtc_clk);
607 s3c_rtc_enable(pdev, 1); 609 s3c_rtc_enable(pdev, 1);
608 writeb(ticnt_save, s3c_rtc_base + S3C2410_TICNT); 610 if (s3c_rtc_cpu_type == TYPE_S3C64XX) {
609 if (s3c_rtc_cpu_type == TYPE_S3C64XX && ticnt_en_save) { 611 writel(ticnt_save, s3c_rtc_base + S3C2410_TICNT);
610 tmp = readw(s3c_rtc_base + S3C2410_RTCCON); 612 if (ticnt_en_save) {
611 writew(tmp | ticnt_en_save, s3c_rtc_base + S3C2410_RTCCON); 613 tmp = readw(s3c_rtc_base + S3C2410_RTCCON);
614 writew(tmp | ticnt_en_save,
615 s3c_rtc_base + S3C2410_RTCCON);
616 }
617 } else {
618 writeb(ticnt_save, s3c_rtc_base + S3C2410_TICNT);
612 } 619 }
613 620
614 if (device_may_wakeup(dev) && wake_en) { 621 if (device_may_wakeup(dev) && wake_en) {
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index f6b9188c5af5..9f0ea6cb6922 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -610,6 +610,7 @@ void chsc_chp_online(struct chp_id chpid)
610 css_wait_for_slow_path(); 610 css_wait_for_slow_path();
611 for_each_subchannel_staged(__s390_process_res_acc, NULL, 611 for_each_subchannel_staged(__s390_process_res_acc, NULL,
612 &link); 612 &link);
613 css_schedule_reprobe();
613 } 614 }
614} 615}
615 616
diff --git a/drivers/s390/crypto/zcrypt_msgtype6.c b/drivers/s390/crypto/zcrypt_msgtype6.c
index dc542e0a3055..0bc91e46395a 100644
--- a/drivers/s390/crypto/zcrypt_msgtype6.c
+++ b/drivers/s390/crypto/zcrypt_msgtype6.c
@@ -311,7 +311,7 @@ static int XCRB_msg_to_type6CPRB_msgX(struct zcrypt_device *zdev,
311 } __packed * msg = ap_msg->message; 311 } __packed * msg = ap_msg->message;
312 312
313 int rcblen = CEIL4(xcRB->request_control_blk_length); 313 int rcblen = CEIL4(xcRB->request_control_blk_length);
314 int replylen; 314 int replylen, req_sumlen, resp_sumlen;
315 char *req_data = ap_msg->message + sizeof(struct type6_hdr) + rcblen; 315 char *req_data = ap_msg->message + sizeof(struct type6_hdr) + rcblen;
316 char *function_code; 316 char *function_code;
317 317
@@ -321,12 +321,34 @@ static int XCRB_msg_to_type6CPRB_msgX(struct zcrypt_device *zdev,
321 xcRB->request_data_length; 321 xcRB->request_data_length;
322 if (ap_msg->length > MSGTYPE06_MAX_MSG_SIZE) 322 if (ap_msg->length > MSGTYPE06_MAX_MSG_SIZE)
323 return -EINVAL; 323 return -EINVAL;
324
325 /* Overflow check
326 sum must be greater (or equal) than the largest operand */
327 req_sumlen = CEIL4(xcRB->request_control_blk_length) +
328 xcRB->request_data_length;
329 if ((CEIL4(xcRB->request_control_blk_length) <=
330 xcRB->request_data_length) ?
331 (req_sumlen < xcRB->request_data_length) :
332 (req_sumlen < CEIL4(xcRB->request_control_blk_length))) {
333 return -EINVAL;
334 }
335
324 replylen = sizeof(struct type86_fmt2_msg) + 336 replylen = sizeof(struct type86_fmt2_msg) +
325 CEIL4(xcRB->reply_control_blk_length) + 337 CEIL4(xcRB->reply_control_blk_length) +
326 xcRB->reply_data_length; 338 xcRB->reply_data_length;
327 if (replylen > MSGTYPE06_MAX_MSG_SIZE) 339 if (replylen > MSGTYPE06_MAX_MSG_SIZE)
328 return -EINVAL; 340 return -EINVAL;
329 341
342 /* Overflow check
343 sum must be greater (or equal) than the largest operand */
344 resp_sumlen = CEIL4(xcRB->reply_control_blk_length) +
345 xcRB->reply_data_length;
346 if ((CEIL4(xcRB->reply_control_blk_length) <= xcRB->reply_data_length) ?
347 (resp_sumlen < xcRB->reply_data_length) :
348 (resp_sumlen < CEIL4(xcRB->reply_control_blk_length))) {
349 return -EINVAL;
350 }
351
330 /* prepare type6 header */ 352 /* prepare type6 header */
331 msg->hdr = static_type6_hdrX; 353 msg->hdr = static_type6_hdrX;
332 memcpy(msg->hdr.agent_id , &(xcRB->agent_ID), sizeof(xcRB->agent_ID)); 354 memcpy(msg->hdr.agent_id , &(xcRB->agent_ID), sizeof(xcRB->agent_ID));
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index c3a83df07894..795ed61a5496 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -1660,7 +1660,6 @@ int qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
1660 QDIO_FLAG_CLEANUP_USING_CLEAR); 1660 QDIO_FLAG_CLEANUP_USING_CLEAR);
1661 if (rc) 1661 if (rc)
1662 QETH_CARD_TEXT_(card, 3, "1err%d", rc); 1662 QETH_CARD_TEXT_(card, 3, "1err%d", rc);
1663 qdio_free(CARD_DDEV(card));
1664 atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED); 1663 atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
1665 break; 1664 break;
1666 case QETH_QDIO_CLEANING: 1665 case QETH_QDIO_CLEANING:
@@ -2605,6 +2604,7 @@ static int qeth_mpc_initialize(struct qeth_card *card)
2605 return 0; 2604 return 0;
2606out_qdio: 2605out_qdio:
2607 qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD); 2606 qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD);
2607 qdio_free(CARD_DDEV(card));
2608 return rc; 2608 return rc;
2609} 2609}
2610 2610
@@ -4906,9 +4906,11 @@ retry:
4906 if (retries < 3) 4906 if (retries < 3)
4907 QETH_DBF_MESSAGE(2, "%s Retrying to do IDX activates.\n", 4907 QETH_DBF_MESSAGE(2, "%s Retrying to do IDX activates.\n",
4908 dev_name(&card->gdev->dev)); 4908 dev_name(&card->gdev->dev));
4909 rc = qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD);
4909 ccw_device_set_offline(CARD_DDEV(card)); 4910 ccw_device_set_offline(CARD_DDEV(card));
4910 ccw_device_set_offline(CARD_WDEV(card)); 4911 ccw_device_set_offline(CARD_WDEV(card));
4911 ccw_device_set_offline(CARD_RDEV(card)); 4912 ccw_device_set_offline(CARD_RDEV(card));
4913 qdio_free(CARD_DDEV(card));
4912 rc = ccw_device_set_online(CARD_RDEV(card)); 4914 rc = ccw_device_set_online(CARD_RDEV(card));
4913 if (rc) 4915 if (rc)
4914 goto retriable; 4916 goto retriable;
@@ -4918,7 +4920,6 @@ retry:
4918 rc = ccw_device_set_online(CARD_DDEV(card)); 4920 rc = ccw_device_set_online(CARD_DDEV(card));
4919 if (rc) 4921 if (rc)
4920 goto retriable; 4922 goto retriable;
4921 rc = qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD);
4922retriable: 4923retriable:
4923 if (rc == -ERESTARTSYS) { 4924 if (rc == -ERESTARTSYS) {
4924 QETH_DBF_TEXT(SETUP, 2, "break1"); 4925 QETH_DBF_TEXT(SETUP, 2, "break1");
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 0710550093ce..908d82529ee9 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -1091,6 +1091,7 @@ out_remove:
1091 ccw_device_set_offline(CARD_DDEV(card)); 1091 ccw_device_set_offline(CARD_DDEV(card));
1092 ccw_device_set_offline(CARD_WDEV(card)); 1092 ccw_device_set_offline(CARD_WDEV(card));
1093 ccw_device_set_offline(CARD_RDEV(card)); 1093 ccw_device_set_offline(CARD_RDEV(card));
1094 qdio_free(CARD_DDEV(card));
1094 if (recover_flag == CARD_STATE_RECOVER) 1095 if (recover_flag == CARD_STATE_RECOVER)
1095 card->state = CARD_STATE_RECOVER; 1096 card->state = CARD_STATE_RECOVER;
1096 else 1097 else
@@ -1132,6 +1133,7 @@ static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev,
1132 rc = (rc2) ? rc2 : rc3; 1133 rc = (rc2) ? rc2 : rc3;
1133 if (rc) 1134 if (rc)
1134 QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 1135 QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
1136 qdio_free(CARD_DDEV(card));
1135 if (recover_flag == CARD_STATE_UP) 1137 if (recover_flag == CARD_STATE_UP)
1136 card->state = CARD_STATE_RECOVER; 1138 card->state = CARD_STATE_RECOVER;
1137 /* let user_space know that device is offline */ 1139 /* let user_space know that device is offline */
@@ -1194,6 +1196,7 @@ static void qeth_l2_shutdown(struct ccwgroup_device *gdev)
1194 qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); 1196 qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
1195 qeth_qdio_clear_card(card, 0); 1197 qeth_qdio_clear_card(card, 0);
1196 qeth_clear_qdio_buffers(card); 1198 qeth_clear_qdio_buffers(card);
1199 qdio_free(CARD_DDEV(card));
1197} 1200}
1198 1201
1199static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev) 1202static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev)
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 0f430424c3b8..3524d34ff694 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -3447,6 +3447,7 @@ out_remove:
3447 ccw_device_set_offline(CARD_DDEV(card)); 3447 ccw_device_set_offline(CARD_DDEV(card));
3448 ccw_device_set_offline(CARD_WDEV(card)); 3448 ccw_device_set_offline(CARD_WDEV(card));
3449 ccw_device_set_offline(CARD_RDEV(card)); 3449 ccw_device_set_offline(CARD_RDEV(card));
3450 qdio_free(CARD_DDEV(card));
3450 if (recover_flag == CARD_STATE_RECOVER) 3451 if (recover_flag == CARD_STATE_RECOVER)
3451 card->state = CARD_STATE_RECOVER; 3452 card->state = CARD_STATE_RECOVER;
3452 else 3453 else
@@ -3493,6 +3494,7 @@ static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev,
3493 rc = (rc2) ? rc2 : rc3; 3494 rc = (rc2) ? rc2 : rc3;
3494 if (rc) 3495 if (rc)
3495 QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); 3496 QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
3497 qdio_free(CARD_DDEV(card));
3496 if (recover_flag == CARD_STATE_UP) 3498 if (recover_flag == CARD_STATE_UP)
3497 card->state = CARD_STATE_RECOVER; 3499 card->state = CARD_STATE_RECOVER;
3498 /* let user_space know that device is offline */ 3500 /* let user_space know that device is offline */
@@ -3545,6 +3547,7 @@ static void qeth_l3_shutdown(struct ccwgroup_device *gdev)
3545 qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); 3547 qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
3546 qeth_qdio_clear_card(card, 0); 3548 qeth_qdio_clear_card(card, 0);
3547 qeth_clear_qdio_buffers(card); 3549 qeth_clear_qdio_buffers(card);
3550 qdio_free(CARD_DDEV(card));
3548} 3551}
3549 3552
3550static int qeth_l3_pm_suspend(struct ccwgroup_device *gdev) 3553static int qeth_l3_pm_suspend(struct ccwgroup_device *gdev)
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 2eb97d7e8d12..0cb73074c199 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -790,17 +790,32 @@ static inline int test_tgt_sess_count(struct qla_tgt *tgt)
790} 790}
791 791
792/* Called by tcm_qla2xxx configfs code */ 792/* Called by tcm_qla2xxx configfs code */
793void qlt_stop_phase1(struct qla_tgt *tgt) 793int qlt_stop_phase1(struct qla_tgt *tgt)
794{ 794{
795 struct scsi_qla_host *vha = tgt->vha; 795 struct scsi_qla_host *vha = tgt->vha;
796 struct qla_hw_data *ha = tgt->ha; 796 struct qla_hw_data *ha = tgt->ha;
797 unsigned long flags; 797 unsigned long flags;
798 798
799 mutex_lock(&qla_tgt_mutex);
800 if (!vha->fc_vport) {
801 struct Scsi_Host *sh = vha->host;
802 struct fc_host_attrs *fc_host = shost_to_fc_host(sh);
803 bool npiv_vports;
804
805 spin_lock_irqsave(sh->host_lock, flags);
806 npiv_vports = (fc_host->npiv_vports_inuse);
807 spin_unlock_irqrestore(sh->host_lock, flags);
808
809 if (npiv_vports) {
810 mutex_unlock(&qla_tgt_mutex);
811 return -EPERM;
812 }
813 }
799 if (tgt->tgt_stop || tgt->tgt_stopped) { 814 if (tgt->tgt_stop || tgt->tgt_stopped) {
800 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04e, 815 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04e,
801 "Already in tgt->tgt_stop or tgt_stopped state\n"); 816 "Already in tgt->tgt_stop or tgt_stopped state\n");
802 dump_stack(); 817 mutex_unlock(&qla_tgt_mutex);
803 return; 818 return -EPERM;
804 } 819 }
805 820
806 ql_dbg(ql_dbg_tgt, vha, 0xe003, "Stopping target for host %ld(%p)\n", 821 ql_dbg(ql_dbg_tgt, vha, 0xe003, "Stopping target for host %ld(%p)\n",
@@ -815,6 +830,7 @@ void qlt_stop_phase1(struct qla_tgt *tgt)
815 qlt_clear_tgt_db(tgt, true); 830 qlt_clear_tgt_db(tgt, true);
816 spin_unlock_irqrestore(&ha->hardware_lock, flags); 831 spin_unlock_irqrestore(&ha->hardware_lock, flags);
817 mutex_unlock(&vha->vha_tgt.tgt_mutex); 832 mutex_unlock(&vha->vha_tgt.tgt_mutex);
833 mutex_unlock(&qla_tgt_mutex);
818 834
819 flush_delayed_work(&tgt->sess_del_work); 835 flush_delayed_work(&tgt->sess_del_work);
820 836
@@ -841,6 +857,7 @@ void qlt_stop_phase1(struct qla_tgt *tgt)
841 857
842 /* Wait for sessions to clear out (just in case) */ 858 /* Wait for sessions to clear out (just in case) */
843 wait_event(tgt->waitQ, test_tgt_sess_count(tgt)); 859 wait_event(tgt->waitQ, test_tgt_sess_count(tgt));
860 return 0;
844} 861}
845EXPORT_SYMBOL(qlt_stop_phase1); 862EXPORT_SYMBOL(qlt_stop_phase1);
846 863
@@ -3185,7 +3202,8 @@ restart:
3185 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf02c, 3202 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf02c,
3186 "SRR cmd %p (se_cmd %p, tag %d, op %x), " 3203 "SRR cmd %p (se_cmd %p, tag %d, op %x), "
3187 "sg_cnt=%d, offset=%d", cmd, &cmd->se_cmd, cmd->tag, 3204 "sg_cnt=%d, offset=%d", cmd, &cmd->se_cmd, cmd->tag,
3188 se_cmd->t_task_cdb[0], cmd->sg_cnt, cmd->offset); 3205 se_cmd->t_task_cdb ? se_cmd->t_task_cdb[0] : 0,
3206 cmd->sg_cnt, cmd->offset);
3189 3207
3190 qlt_handle_srr(vha, sctio, imm); 3208 qlt_handle_srr(vha, sctio, imm);
3191 3209
@@ -4181,6 +4199,9 @@ int qlt_add_target(struct qla_hw_data *ha, struct scsi_qla_host *base_vha)
4181 tgt->datasegs_per_cmd = QLA_TGT_DATASEGS_PER_CMD_24XX; 4199 tgt->datasegs_per_cmd = QLA_TGT_DATASEGS_PER_CMD_24XX;
4182 tgt->datasegs_per_cont = QLA_TGT_DATASEGS_PER_CONT_24XX; 4200 tgt->datasegs_per_cont = QLA_TGT_DATASEGS_PER_CONT_24XX;
4183 4201
4202 if (base_vha->fc_vport)
4203 return 0;
4204
4184 mutex_lock(&qla_tgt_mutex); 4205 mutex_lock(&qla_tgt_mutex);
4185 list_add_tail(&tgt->tgt_list_entry, &qla_tgt_glist); 4206 list_add_tail(&tgt->tgt_list_entry, &qla_tgt_glist);
4186 mutex_unlock(&qla_tgt_mutex); 4207 mutex_unlock(&qla_tgt_mutex);
@@ -4194,6 +4215,10 @@ int qlt_remove_target(struct qla_hw_data *ha, struct scsi_qla_host *vha)
4194 if (!vha->vha_tgt.qla_tgt) 4215 if (!vha->vha_tgt.qla_tgt)
4195 return 0; 4216 return 0;
4196 4217
4218 if (vha->fc_vport) {
4219 qlt_release(vha->vha_tgt.qla_tgt);
4220 return 0;
4221 }
4197 mutex_lock(&qla_tgt_mutex); 4222 mutex_lock(&qla_tgt_mutex);
4198 list_del(&vha->vha_tgt.qla_tgt->tgt_list_entry); 4223 list_del(&vha->vha_tgt.qla_tgt->tgt_list_entry);
4199 mutex_unlock(&qla_tgt_mutex); 4224 mutex_unlock(&qla_tgt_mutex);
@@ -4265,6 +4290,12 @@ int qlt_lport_register(void *target_lport_ptr, u64 phys_wwpn,
4265 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4290 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4266 continue; 4291 continue;
4267 } 4292 }
4293 if (tgt->tgt_stop) {
4294 pr_debug("MODE_TARGET in shutdown on qla2xxx(%d)\n",
4295 host->host_no);
4296 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4297 continue;
4298 }
4268 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4299 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4269 4300
4270 if (!scsi_host_get(host)) { 4301 if (!scsi_host_get(host)) {
@@ -4279,12 +4310,11 @@ int qlt_lport_register(void *target_lport_ptr, u64 phys_wwpn,
4279 scsi_host_put(host); 4310 scsi_host_put(host);
4280 continue; 4311 continue;
4281 } 4312 }
4282 mutex_unlock(&qla_tgt_mutex);
4283
4284 rc = (*callback)(vha, target_lport_ptr, npiv_wwpn, npiv_wwnn); 4313 rc = (*callback)(vha, target_lport_ptr, npiv_wwpn, npiv_wwnn);
4285 if (rc != 0) 4314 if (rc != 0)
4286 scsi_host_put(host); 4315 scsi_host_put(host);
4287 4316
4317 mutex_unlock(&qla_tgt_mutex);
4288 return rc; 4318 return rc;
4289 } 4319 }
4290 mutex_unlock(&qla_tgt_mutex); 4320 mutex_unlock(&qla_tgt_mutex);
diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h
index 66e755cdde57..ce33d8c26406 100644
--- a/drivers/scsi/qla2xxx/qla_target.h
+++ b/drivers/scsi/qla2xxx/qla_target.h
@@ -1001,7 +1001,7 @@ extern void qlt_modify_vp_config(struct scsi_qla_host *,
1001extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *); 1001extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *);
1002extern int qlt_mem_alloc(struct qla_hw_data *); 1002extern int qlt_mem_alloc(struct qla_hw_data *);
1003extern void qlt_mem_free(struct qla_hw_data *); 1003extern void qlt_mem_free(struct qla_hw_data *);
1004extern void qlt_stop_phase1(struct qla_tgt *); 1004extern int qlt_stop_phase1(struct qla_tgt *);
1005extern void qlt_stop_phase2(struct qla_tgt *); 1005extern void qlt_stop_phase2(struct qla_tgt *);
1006extern irqreturn_t qla83xx_msix_atio_q(int, void *); 1006extern irqreturn_t qla83xx_msix_atio_q(int, void *);
1007extern void qlt_83xx_iospace_config(struct qla_hw_data *); 1007extern void qlt_83xx_iospace_config(struct qla_hw_data *);
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index 75a141bbe74d..788c4fe2b0c9 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -182,20 +182,6 @@ static int tcm_qla2xxx_npiv_parse_wwn(
182 return 0; 182 return 0;
183} 183}
184 184
185static ssize_t tcm_qla2xxx_npiv_format_wwn(char *buf, size_t len,
186 u64 wwpn, u64 wwnn)
187{
188 u8 b[8], b2[8];
189
190 put_unaligned_be64(wwpn, b);
191 put_unaligned_be64(wwnn, b2);
192 return snprintf(buf, len,
193 "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x,"
194 "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
195 b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7],
196 b2[0], b2[1], b2[2], b2[3], b2[4], b2[5], b2[6], b2[7]);
197}
198
199static char *tcm_qla2xxx_npiv_get_fabric_name(void) 185static char *tcm_qla2xxx_npiv_get_fabric_name(void)
200{ 186{
201 return "qla2xxx_npiv"; 187 return "qla2xxx_npiv";
@@ -227,15 +213,6 @@ static char *tcm_qla2xxx_get_fabric_wwn(struct se_portal_group *se_tpg)
227 return lport->lport_naa_name; 213 return lport->lport_naa_name;
228} 214}
229 215
230static char *tcm_qla2xxx_npiv_get_fabric_wwn(struct se_portal_group *se_tpg)
231{
232 struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
233 struct tcm_qla2xxx_tpg, se_tpg);
234 struct tcm_qla2xxx_lport *lport = tpg->lport;
235
236 return &lport->lport_npiv_name[0];
237}
238
239static u16 tcm_qla2xxx_get_tag(struct se_portal_group *se_tpg) 216static u16 tcm_qla2xxx_get_tag(struct se_portal_group *se_tpg)
240{ 217{
241 struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, 218 struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
@@ -941,15 +918,41 @@ static ssize_t tcm_qla2xxx_tpg_show_enable(
941 atomic_read(&tpg->lport_tpg_enabled)); 918 atomic_read(&tpg->lport_tpg_enabled));
942} 919}
943 920
921static void tcm_qla2xxx_depend_tpg(struct work_struct *work)
922{
923 struct tcm_qla2xxx_tpg *base_tpg = container_of(work,
924 struct tcm_qla2xxx_tpg, tpg_base_work);
925 struct se_portal_group *se_tpg = &base_tpg->se_tpg;
926 struct scsi_qla_host *base_vha = base_tpg->lport->qla_vha;
927
928 if (!configfs_depend_item(se_tpg->se_tpg_tfo->tf_subsys,
929 &se_tpg->tpg_group.cg_item)) {
930 atomic_set(&base_tpg->lport_tpg_enabled, 1);
931 qlt_enable_vha(base_vha);
932 }
933 complete(&base_tpg->tpg_base_comp);
934}
935
936static void tcm_qla2xxx_undepend_tpg(struct work_struct *work)
937{
938 struct tcm_qla2xxx_tpg *base_tpg = container_of(work,
939 struct tcm_qla2xxx_tpg, tpg_base_work);
940 struct se_portal_group *se_tpg = &base_tpg->se_tpg;
941 struct scsi_qla_host *base_vha = base_tpg->lport->qla_vha;
942
943 if (!qlt_stop_phase1(base_vha->vha_tgt.qla_tgt)) {
944 atomic_set(&base_tpg->lport_tpg_enabled, 0);
945 configfs_undepend_item(se_tpg->se_tpg_tfo->tf_subsys,
946 &se_tpg->tpg_group.cg_item);
947 }
948 complete(&base_tpg->tpg_base_comp);
949}
950
944static ssize_t tcm_qla2xxx_tpg_store_enable( 951static ssize_t tcm_qla2xxx_tpg_store_enable(
945 struct se_portal_group *se_tpg, 952 struct se_portal_group *se_tpg,
946 const char *page, 953 const char *page,
947 size_t count) 954 size_t count)
948{ 955{
949 struct se_wwn *se_wwn = se_tpg->se_tpg_wwn;
950 struct tcm_qla2xxx_lport *lport = container_of(se_wwn,
951 struct tcm_qla2xxx_lport, lport_wwn);
952 struct scsi_qla_host *vha = lport->qla_vha;
953 struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, 956 struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
954 struct tcm_qla2xxx_tpg, se_tpg); 957 struct tcm_qla2xxx_tpg, se_tpg);
955 unsigned long op; 958 unsigned long op;
@@ -964,19 +967,28 @@ static ssize_t tcm_qla2xxx_tpg_store_enable(
964 pr_err("Illegal value for tpg_enable: %lu\n", op); 967 pr_err("Illegal value for tpg_enable: %lu\n", op);
965 return -EINVAL; 968 return -EINVAL;
966 } 969 }
967
968 if (op) { 970 if (op) {
969 atomic_set(&tpg->lport_tpg_enabled, 1); 971 if (atomic_read(&tpg->lport_tpg_enabled))
970 qlt_enable_vha(vha); 972 return -EEXIST;
973
974 INIT_WORK(&tpg->tpg_base_work, tcm_qla2xxx_depend_tpg);
971 } else { 975 } else {
972 if (!vha->vha_tgt.qla_tgt) { 976 if (!atomic_read(&tpg->lport_tpg_enabled))
973 pr_err("struct qla_hw_data *vha->vha_tgt.qla_tgt is NULL\n"); 977 return count;
974 return -ENODEV; 978
975 } 979 INIT_WORK(&tpg->tpg_base_work, tcm_qla2xxx_undepend_tpg);
976 atomic_set(&tpg->lport_tpg_enabled, 0);
977 qlt_stop_phase1(vha->vha_tgt.qla_tgt);
978 } 980 }
981 init_completion(&tpg->tpg_base_comp);
982 schedule_work(&tpg->tpg_base_work);
983 wait_for_completion(&tpg->tpg_base_comp);
979 984
985 if (op) {
986 if (!atomic_read(&tpg->lport_tpg_enabled))
987 return -ENODEV;
988 } else {
989 if (atomic_read(&tpg->lport_tpg_enabled))
990 return -EPERM;
991 }
980 return count; 992 return count;
981} 993}
982 994
@@ -1053,11 +1065,64 @@ static void tcm_qla2xxx_drop_tpg(struct se_portal_group *se_tpg)
1053 /* 1065 /*
1054 * Clear local TPG=1 pointer for non NPIV mode. 1066 * Clear local TPG=1 pointer for non NPIV mode.
1055 */ 1067 */
1056 lport->tpg_1 = NULL; 1068 lport->tpg_1 = NULL;
1057
1058 kfree(tpg); 1069 kfree(tpg);
1059} 1070}
1060 1071
1072static ssize_t tcm_qla2xxx_npiv_tpg_show_enable(
1073 struct se_portal_group *se_tpg,
1074 char *page)
1075{
1076 return tcm_qla2xxx_tpg_show_enable(se_tpg, page);
1077}
1078
1079static ssize_t tcm_qla2xxx_npiv_tpg_store_enable(
1080 struct se_portal_group *se_tpg,
1081 const char *page,
1082 size_t count)
1083{
1084 struct se_wwn *se_wwn = se_tpg->se_tpg_wwn;
1085 struct tcm_qla2xxx_lport *lport = container_of(se_wwn,
1086 struct tcm_qla2xxx_lport, lport_wwn);
1087 struct scsi_qla_host *vha = lport->qla_vha;
1088 struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
1089 struct tcm_qla2xxx_tpg, se_tpg);
1090 unsigned long op;
1091 int rc;
1092
1093 rc = kstrtoul(page, 0, &op);
1094 if (rc < 0) {
1095 pr_err("kstrtoul() returned %d\n", rc);
1096 return -EINVAL;
1097 }
1098 if ((op != 1) && (op != 0)) {
1099 pr_err("Illegal value for tpg_enable: %lu\n", op);
1100 return -EINVAL;
1101 }
1102 if (op) {
1103 if (atomic_read(&tpg->lport_tpg_enabled))
1104 return -EEXIST;
1105
1106 atomic_set(&tpg->lport_tpg_enabled, 1);
1107 qlt_enable_vha(vha);
1108 } else {
1109 if (!atomic_read(&tpg->lport_tpg_enabled))
1110 return count;
1111
1112 atomic_set(&tpg->lport_tpg_enabled, 0);
1113 qlt_stop_phase1(vha->vha_tgt.qla_tgt);
1114 }
1115
1116 return count;
1117}
1118
1119TF_TPG_BASE_ATTR(tcm_qla2xxx_npiv, enable, S_IRUGO | S_IWUSR);
1120
1121static struct configfs_attribute *tcm_qla2xxx_npiv_tpg_attrs[] = {
1122 &tcm_qla2xxx_npiv_tpg_enable.attr,
1123 NULL,
1124};
1125
1061static struct se_portal_group *tcm_qla2xxx_npiv_make_tpg( 1126static struct se_portal_group *tcm_qla2xxx_npiv_make_tpg(
1062 struct se_wwn *wwn, 1127 struct se_wwn *wwn,
1063 struct config_group *group, 1128 struct config_group *group,
@@ -1650,6 +1715,9 @@ static int tcm_qla2xxx_lport_register_npiv_cb(struct scsi_qla_host *base_vha,
1650 struct scsi_qla_host *npiv_vha; 1715 struct scsi_qla_host *npiv_vha;
1651 struct tcm_qla2xxx_lport *lport = 1716 struct tcm_qla2xxx_lport *lport =
1652 (struct tcm_qla2xxx_lport *)target_lport_ptr; 1717 (struct tcm_qla2xxx_lport *)target_lport_ptr;
1718 struct tcm_qla2xxx_lport *base_lport =
1719 (struct tcm_qla2xxx_lport *)base_vha->vha_tgt.target_lport_ptr;
1720 struct tcm_qla2xxx_tpg *base_tpg;
1653 struct fc_vport_identifiers vport_id; 1721 struct fc_vport_identifiers vport_id;
1654 1722
1655 if (!qla_tgt_mode_enabled(base_vha)) { 1723 if (!qla_tgt_mode_enabled(base_vha)) {
@@ -1657,6 +1725,13 @@ static int tcm_qla2xxx_lport_register_npiv_cb(struct scsi_qla_host *base_vha,
1657 return -EPERM; 1725 return -EPERM;
1658 } 1726 }
1659 1727
1728 if (!base_lport || !base_lport->tpg_1 ||
1729 !atomic_read(&base_lport->tpg_1->lport_tpg_enabled)) {
1730 pr_err("qla2xxx base_lport or tpg_1 not available\n");
1731 return -EPERM;
1732 }
1733 base_tpg = base_lport->tpg_1;
1734
1660 memset(&vport_id, 0, sizeof(vport_id)); 1735 memset(&vport_id, 0, sizeof(vport_id));
1661 vport_id.port_name = npiv_wwpn; 1736 vport_id.port_name = npiv_wwpn;
1662 vport_id.node_name = npiv_wwnn; 1737 vport_id.node_name = npiv_wwnn;
@@ -1675,7 +1750,6 @@ static int tcm_qla2xxx_lport_register_npiv_cb(struct scsi_qla_host *base_vha,
1675 npiv_vha = (struct scsi_qla_host *)vport->dd_data; 1750 npiv_vha = (struct scsi_qla_host *)vport->dd_data;
1676 npiv_vha->vha_tgt.target_lport_ptr = target_lport_ptr; 1751 npiv_vha->vha_tgt.target_lport_ptr = target_lport_ptr;
1677 lport->qla_vha = npiv_vha; 1752 lport->qla_vha = npiv_vha;
1678
1679 scsi_host_get(npiv_vha->host); 1753 scsi_host_get(npiv_vha->host);
1680 return 0; 1754 return 0;
1681} 1755}
@@ -1714,8 +1788,6 @@ static struct se_wwn *tcm_qla2xxx_npiv_make_lport(
1714 } 1788 }
1715 lport->lport_npiv_wwpn = npiv_wwpn; 1789 lport->lport_npiv_wwpn = npiv_wwpn;
1716 lport->lport_npiv_wwnn = npiv_wwnn; 1790 lport->lport_npiv_wwnn = npiv_wwnn;
1717 tcm_qla2xxx_npiv_format_wwn(&lport->lport_npiv_name[0],
1718 TCM_QLA2XXX_NAMELEN, npiv_wwpn, npiv_wwnn);
1719 sprintf(lport->lport_naa_name, "naa.%016llx", (unsigned long long) npiv_wwpn); 1791 sprintf(lport->lport_naa_name, "naa.%016llx", (unsigned long long) npiv_wwpn);
1720 1792
1721 ret = tcm_qla2xxx_init_lport(lport); 1793 ret = tcm_qla2xxx_init_lport(lport);
@@ -1824,7 +1896,7 @@ static struct target_core_fabric_ops tcm_qla2xxx_ops = {
1824static struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = { 1896static struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = {
1825 .get_fabric_name = tcm_qla2xxx_npiv_get_fabric_name, 1897 .get_fabric_name = tcm_qla2xxx_npiv_get_fabric_name,
1826 .get_fabric_proto_ident = tcm_qla2xxx_get_fabric_proto_ident, 1898 .get_fabric_proto_ident = tcm_qla2xxx_get_fabric_proto_ident,
1827 .tpg_get_wwn = tcm_qla2xxx_npiv_get_fabric_wwn, 1899 .tpg_get_wwn = tcm_qla2xxx_get_fabric_wwn,
1828 .tpg_get_tag = tcm_qla2xxx_get_tag, 1900 .tpg_get_tag = tcm_qla2xxx_get_tag,
1829 .tpg_get_default_depth = tcm_qla2xxx_get_default_depth, 1901 .tpg_get_default_depth = tcm_qla2xxx_get_default_depth,
1830 .tpg_get_pr_transport_id = tcm_qla2xxx_get_pr_transport_id, 1902 .tpg_get_pr_transport_id = tcm_qla2xxx_get_pr_transport_id,
@@ -1935,7 +2007,7 @@ static int tcm_qla2xxx_register_configfs(void)
1935 */ 2007 */
1936 npiv_fabric->tf_cit_tmpl.tfc_wwn_cit.ct_attrs = tcm_qla2xxx_wwn_attrs; 2008 npiv_fabric->tf_cit_tmpl.tfc_wwn_cit.ct_attrs = tcm_qla2xxx_wwn_attrs;
1937 npiv_fabric->tf_cit_tmpl.tfc_tpg_base_cit.ct_attrs = 2009 npiv_fabric->tf_cit_tmpl.tfc_tpg_base_cit.ct_attrs =
1938 tcm_qla2xxx_tpg_attrs; 2010 tcm_qla2xxx_npiv_tpg_attrs;
1939 npiv_fabric->tf_cit_tmpl.tfc_tpg_attrib_cit.ct_attrs = NULL; 2011 npiv_fabric->tf_cit_tmpl.tfc_tpg_attrib_cit.ct_attrs = NULL;
1940 npiv_fabric->tf_cit_tmpl.tfc_tpg_param_cit.ct_attrs = NULL; 2012 npiv_fabric->tf_cit_tmpl.tfc_tpg_param_cit.ct_attrs = NULL;
1941 npiv_fabric->tf_cit_tmpl.tfc_tpg_np_base_cit.ct_attrs = NULL; 2013 npiv_fabric->tf_cit_tmpl.tfc_tpg_np_base_cit.ct_attrs = NULL;
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.h b/drivers/scsi/qla2xxx/tcm_qla2xxx.h
index 275d8b9a7a34..33aaac8c7d59 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.h
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.h
@@ -4,8 +4,6 @@
4#define TCM_QLA2XXX_VERSION "v0.1" 4#define TCM_QLA2XXX_VERSION "v0.1"
5/* length of ASCII WWPNs including pad */ 5/* length of ASCII WWPNs including pad */
6#define TCM_QLA2XXX_NAMELEN 32 6#define TCM_QLA2XXX_NAMELEN 32
7/* lenth of ASCII NPIV 'WWPN+WWNN' including pad */
8#define TCM_QLA2XXX_NPIV_NAMELEN 66
9 7
10#include "qla_target.h" 8#include "qla_target.h"
11 9
@@ -43,6 +41,9 @@ struct tcm_qla2xxx_tpg {
43 struct tcm_qla2xxx_tpg_attrib tpg_attrib; 41 struct tcm_qla2xxx_tpg_attrib tpg_attrib;
44 /* Returned by tcm_qla2xxx_make_tpg() */ 42 /* Returned by tcm_qla2xxx_make_tpg() */
45 struct se_portal_group se_tpg; 43 struct se_portal_group se_tpg;
44 /* Items for dealing with configfs_depend_item */
45 struct completion tpg_base_comp;
46 struct work_struct tpg_base_work;
46}; 47};
47 48
48struct tcm_qla2xxx_fc_loopid { 49struct tcm_qla2xxx_fc_loopid {
@@ -62,8 +63,6 @@ struct tcm_qla2xxx_lport {
62 char lport_name[TCM_QLA2XXX_NAMELEN]; 63 char lport_name[TCM_QLA2XXX_NAMELEN];
63 /* ASCII formatted naa WWPN for VPD page 83 etc */ 64 /* ASCII formatted naa WWPN for VPD page 83 etc */
64 char lport_naa_name[TCM_QLA2XXX_NAMELEN]; 65 char lport_naa_name[TCM_QLA2XXX_NAMELEN];
65 /* ASCII formatted WWPN+WWNN for NPIV FC Target Lport */
66 char lport_npiv_name[TCM_QLA2XXX_NPIV_NAMELEN];
67 /* map for fc_port pointers in 24-bit FC Port ID space */ 66 /* map for fc_port pointers in 24-bit FC Port ID space */
68 struct btree_head32 lport_fcport_map; 67 struct btree_head32 lport_fcport_map;
69 /* vmalloc-ed memory for fc_port pointers for 16-bit FC loop ID */ 68 /* vmalloc-ed memory for fc_port pointers for 16-bit FC loop ID */
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index 7fc66a6a6e36..514844efac75 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -757,6 +757,7 @@ static void mxs_lradc_finish_touch_event(struct mxs_lradc *lradc, bool valid)
757 } 757 }
758 758
759 /* if it is released, wait for the next touch via IRQ */ 759 /* if it is released, wait for the next touch via IRQ */
760 lradc->cur_plate = LRADC_TOUCH;
760 mxs_lradc_reg_clear(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ, LRADC_CTRL1); 761 mxs_lradc_reg_clear(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ, LRADC_CTRL1);
761 mxs_lradc_reg_set(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ_EN, LRADC_CTRL1); 762 mxs_lradc_reg_set(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ_EN, LRADC_CTRL1);
762} 763}
diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
index a70dcef1419e..2f40ff5901d6 100644
--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
@@ -55,6 +55,7 @@ static struct usb_device_id rtw_usb_id_tbl[] = {
55 /****** 8188EUS ********/ 55 /****** 8188EUS ********/
56 {USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */ 56 {USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */
57 {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */ 57 {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
58 {USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */
58 {} /* Terminating entry */ 59 {} /* Terminating entry */
59}; 60};
60 61
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index a4489444ffbc..42f18fc1067b 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -1074,7 +1074,7 @@ sbc_dif_copy_prot(struct se_cmd *cmd, unsigned int sectors, bool read,
1074 struct scatterlist *psg; 1074 struct scatterlist *psg;
1075 void *paddr, *addr; 1075 void *paddr, *addr;
1076 unsigned int i, len, left; 1076 unsigned int i, len, left;
1077 unsigned int offset = 0; 1077 unsigned int offset = sg_off;
1078 1078
1079 left = sectors * dev->prot_length; 1079 left = sectors * dev->prot_length;
1080 1080
@@ -1084,11 +1084,10 @@ sbc_dif_copy_prot(struct se_cmd *cmd, unsigned int sectors, bool read,
1084 if (offset >= sg->length) { 1084 if (offset >= sg->length) {
1085 sg = sg_next(sg); 1085 sg = sg_next(sg);
1086 offset = 0; 1086 offset = 0;
1087 sg_off = sg->offset;
1088 } 1087 }
1089 1088
1090 paddr = kmap_atomic(sg_page(psg)) + psg->offset; 1089 paddr = kmap_atomic(sg_page(psg)) + psg->offset;
1091 addr = kmap_atomic(sg_page(sg)) + sg_off; 1090 addr = kmap_atomic(sg_page(sg)) + sg->offset + offset;
1092 1091
1093 if (read) 1092 if (read)
1094 memcpy(paddr, addr, len); 1093 memcpy(paddr, addr, len);
@@ -1163,7 +1162,7 @@ sbc_dif_verify_read(struct se_cmd *cmd, sector_t start, unsigned int sectors,
1163{ 1162{
1164 struct se_device *dev = cmd->se_dev; 1163 struct se_device *dev = cmd->se_dev;
1165 struct se_dif_v1_tuple *sdt; 1164 struct se_dif_v1_tuple *sdt;
1166 struct scatterlist *dsg; 1165 struct scatterlist *dsg, *psg = sg;
1167 sector_t sector = start; 1166 sector_t sector = start;
1168 void *daddr, *paddr; 1167 void *daddr, *paddr;
1169 int i, j, offset = sg_off; 1168 int i, j, offset = sg_off;
@@ -1171,14 +1170,14 @@ sbc_dif_verify_read(struct se_cmd *cmd, sector_t start, unsigned int sectors,
1171 1170
1172 for_each_sg(cmd->t_data_sg, dsg, cmd->t_data_nents, i) { 1171 for_each_sg(cmd->t_data_sg, dsg, cmd->t_data_nents, i) {
1173 daddr = kmap_atomic(sg_page(dsg)) + dsg->offset; 1172 daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;
1174 paddr = kmap_atomic(sg_page(sg)) + sg->offset; 1173 paddr = kmap_atomic(sg_page(psg)) + sg->offset;
1175 1174
1176 for (j = 0; j < dsg->length; j += dev->dev_attrib.block_size) { 1175 for (j = 0; j < dsg->length; j += dev->dev_attrib.block_size) {
1177 1176
1178 if (offset >= sg->length) { 1177 if (offset >= psg->length) {
1179 kunmap_atomic(paddr); 1178 kunmap_atomic(paddr);
1180 sg = sg_next(sg); 1179 psg = sg_next(psg);
1181 paddr = kmap_atomic(sg_page(sg)) + sg->offset; 1180 paddr = kmap_atomic(sg_page(psg)) + psg->offset;
1182 offset = 0; 1181 offset = 0;
1183 } 1182 }
1184 1183
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 24b4f65d8777..2956250b7225 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1601,6 +1601,9 @@ void transport_generic_request_failure(struct se_cmd *cmd,
1601 case TCM_CHECK_CONDITION_ABORT_CMD: 1601 case TCM_CHECK_CONDITION_ABORT_CMD:
1602 case TCM_CHECK_CONDITION_UNIT_ATTENTION: 1602 case TCM_CHECK_CONDITION_UNIT_ATTENTION:
1603 case TCM_CHECK_CONDITION_NOT_READY: 1603 case TCM_CHECK_CONDITION_NOT_READY:
1604 case TCM_LOGICAL_BLOCK_GUARD_CHECK_FAILED:
1605 case TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED:
1606 case TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED:
1604 break; 1607 break;
1605 case TCM_OUT_OF_RESOURCES: 1608 case TCM_OUT_OF_RESOURCES:
1606 sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; 1609 sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 471142725ffe..81cda09b47e3 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -685,8 +685,15 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
685 struct ehci_hcd *ehci = hcd_to_ehci (hcd); 685 struct ehci_hcd *ehci = hcd_to_ehci (hcd);
686 u32 status, masked_status, pcd_status = 0, cmd; 686 u32 status, masked_status, pcd_status = 0, cmd;
687 int bh; 687 int bh;
688 unsigned long flags;
688 689
689 spin_lock (&ehci->lock); 690 /*
691 * For threadirqs option we use spin_lock_irqsave() variant to prevent
692 * deadlock with ehci hrtimer callback, because hrtimer callbacks run
693 * in interrupt context even when threadirqs is specified. We can go
694 * back to spin_lock() variant when hrtimer callbacks become threaded.
695 */
696 spin_lock_irqsave(&ehci->lock, flags);
690 697
691 status = ehci_readl(ehci, &ehci->regs->status); 698 status = ehci_readl(ehci, &ehci->regs->status);
692 699
@@ -704,7 +711,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
704 711
705 /* Shared IRQ? */ 712 /* Shared IRQ? */
706 if (!masked_status || unlikely(ehci->rh_state == EHCI_RH_HALTED)) { 713 if (!masked_status || unlikely(ehci->rh_state == EHCI_RH_HALTED)) {
707 spin_unlock(&ehci->lock); 714 spin_unlock_irqrestore(&ehci->lock, flags);
708 return IRQ_NONE; 715 return IRQ_NONE;
709 } 716 }
710 717
@@ -815,7 +822,7 @@ dead:
815 822
816 if (bh) 823 if (bh)
817 ehci_work (ehci); 824 ehci_work (ehci);
818 spin_unlock (&ehci->lock); 825 spin_unlock_irqrestore(&ehci->lock, flags);
819 if (pcd_status) 826 if (pcd_status)
820 usb_hcd_poll_rh_status(hcd); 827 usb_hcd_poll_rh_status(hcd);
821 return IRQ_HANDLED; 828 return IRQ_HANDLED;
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index ee1f00f03c43..44ab12986805 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -907,6 +907,8 @@ static const struct usb_device_id id_table_combined[] = {
907 /* Crucible Devices */ 907 /* Crucible Devices */
908 { USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) }, 908 { USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) },
909 { USB_DEVICE(FTDI_VID, FTDI_Z3X_PID) }, 909 { USB_DEVICE(FTDI_VID, FTDI_Z3X_PID) },
910 /* Cressi Devices */
911 { USB_DEVICE(FTDI_VID, FTDI_CRESSI_PID) },
910 { } /* Terminating entry */ 912 { } /* Terminating entry */
911}; 913};
912 914
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 1e2d369df86e..e599fbfcde5f 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -1320,3 +1320,9 @@
1320 * Manufacturer: Smart GSM Team 1320 * Manufacturer: Smart GSM Team
1321 */ 1321 */
1322#define FTDI_Z3X_PID 0x0011 1322#define FTDI_Z3X_PID 0x0011
1323
1324/*
1325 * Product: Cressi PC Interface
1326 * Manufacturer: Cressi
1327 */
1328#define FTDI_CRESSI_PID 0x87d0
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 4fb7a8f83c8a..54af4e933695 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -186,12 +186,12 @@ static bool is_invalid_reserved_pfn(unsigned long pfn)
186 if (pfn_valid(pfn)) { 186 if (pfn_valid(pfn)) {
187 bool reserved; 187 bool reserved;
188 struct page *tail = pfn_to_page(pfn); 188 struct page *tail = pfn_to_page(pfn);
189 struct page *head = compound_trans_head(tail); 189 struct page *head = compound_head(tail);
190 reserved = !!(PageReserved(head)); 190 reserved = !!(PageReserved(head));
191 if (head != tail) { 191 if (head != tail) {
192 /* 192 /*
193 * "head" is not a dangling pointer 193 * "head" is not a dangling pointer
194 * (compound_trans_head takes care of that) 194 * (compound_head takes care of that)
195 * but the hugepage may have been split 195 * but the hugepage may have been split
196 * from under us (and we may not hold a 196 * from under us (and we may not hold a
197 * reference count on the head page so it can 197 * reference count on the head page so it can
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 0a025b8e2a12..e48d4a672580 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -1001,6 +1001,12 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq)
1001 break; 1001 break;
1002 } 1002 }
1003 1003
1004 /* virtio-scsi spec requires byte 0 of the lun to be 1 */
1005 if (unlikely(v_req.lun[0] != 1)) {
1006 vhost_scsi_send_bad_target(vs, vq, head, out);
1007 continue;
1008 }
1009
1004 /* Extract the tpgt */ 1010 /* Extract the tpgt */
1005 target = v_req.lun[1]; 1011 target = v_req.lun[1];
1006 tpg = ACCESS_ONCE(vs_tpg[target]); 1012 tpg = ACCESS_ONCE(vs_tpg[target]);