Merge tag 'v4.4-rc2' into drm-intel-next-queued

Linux 4.4-rc2

Backmerge to get at

commit 1b0e3a049efe471c399674fd954500ce97438d30
Author: Imre Deak <imre.deak@intel.com>
Date:   Thu Nov 5 23:04:11 2015 +0200

    drm/i915/skl: disable display side power well support for now

so that we can proplery re-eanble skl power wells in -next.

Conflicts are just adjacent lines changed, except for intel_fbdev.c
where we need to interleave the changs. Nothing nefarious.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>

4 files changed, 29 insertions, 38 deletions

diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index fdd0779ccdfa..eb0151bac50c 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -269,7 +269,6 @@ struct mmc_card {
                                                 /* for byte mode */
 #define MMC_QUIRK_NONSTD_SDIO   (1<<2)          /* non-standard SDIO card attached */
                                                 /* (missing CIA registers) */
-#define MMC_QUIRK_BROKEN_CLK_GATING (1<<3)      /* clock gating the sdio bus will make card fail */
 #define MMC_QUIRK_NONSTD_FUNC_IF (1<<4)         /* SDIO card has nonstd function interfaces */
 #define MMC_QUIRK_DISABLE_CD    (1<<5)          /* disconnect CD/DAT[3] resistor */
 #define MMC_QUIRK_INAND_CMD38   (1<<6)          /* iNAND devices have broken CMD38 */
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index 258daf914c6d..37967b6da03c 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -152,10 +152,8 @@ extern int mmc_app_cmd(struct mmc_host *, struct mmc_card *);
 extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *,
         struct mmc_command *, int);
 extern void mmc_start_bkops(struct mmc_card *card, bool from_exception);
-extern int __mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int, bool,
-                        bool, bool);
 extern int mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int);
-extern int mmc_send_tuning(struct mmc_host *host);
+extern int mmc_send_tuning(struct mmc_host *host, u32 opcode, int *cmd_error);
 extern int mmc_get_ext_csd(struct mmc_card *card, u8 **new_ext_csd);
 
 #define MMC_ERASE_ARG           0x00000000
diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h
index 134c57422740..f67b2ec18e6d 100644
--- a/include/linux/mmc/dw_mmc.h
+++ b/include/linux/mmc/dw_mmc.h
@@ -16,6 +16,7 @@
 
 #include <linux/scatterlist.h>
 #include <linux/mmc/core.h>
+#include <linux/dmaengine.h>
 
 #define MAX_MCI_SLOTS   2
 
@@ -40,6 +41,17 @@ enum {
 
 struct mmc_data;
 
+enum {
+        TRANS_MODE_PIO = 0,
+        TRANS_MODE_IDMAC,
+        TRANS_MODE_EDMAC
+};
+
+struct dw_mci_dma_slave {
+        struct dma_chan *ch;
+        enum dma_transfer_direction direction;
+};
+
 /**
  * struct dw_mci - MMC controller state shared between all slots
  * @lock: Spinlock protecting the queue and associated data.
@@ -154,7 +166,14 @@ struct dw_mci {
         dma_addr_t              sg_dma;
         void                    *sg_cpu;
         const struct dw_mci_dma_ops     *dma_ops;
+        /* For idmac */
         unsigned int            ring_size;
+
+        /* For edmac */
+        struct dw_mci_dma_slave *dms;
+        /* Registers's physical base address */
+        void                    *phy_regs;
+
         u32                     cmd_status;
         u32                     data_status;
         u32                     stop_cmdr;
@@ -208,8 +227,8 @@ struct dw_mci {
 struct dw_mci_dma_ops {
         /* DMA Ops */
         int (*init)(struct dw_mci *host);
-        void (*start)(struct dw_mci *host, unsigned int sg_len);
-        void (*complete)(struct dw_mci *host);
+        int (*start)(struct dw_mci *host, unsigned int sg_len);
+        void (*complete)(void *host);
         void (*stop)(struct dw_mci *host);
         void (*cleanup)(struct dw_mci *host);
         void (*exit)(struct dw_mci *host);
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 83b81fd865f3..8673ffe3d86e 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -292,18 +292,6 @@ struct mmc_host {
 
         mmc_pm_flag_t           pm_caps;        /* supported pm features */
 
-#ifdef CONFIG_MMC_CLKGATE
-        int                     clk_requests;   /* internal reference counter */
-        unsigned int            clk_delay;      /* number of MCI clk hold cycles */
-        bool                    clk_gated;      /* clock gated */
-        struct delayed_work     clk_gate_work; /* delayed clock gate */
-        unsigned int            clk_old;        /* old clock value cache */
-        spinlock_t              clk_lock;       /* lock for clk fields */
-        struct mutex            clk_gate_mutex; /* mutex for clock gating */
-        struct device_attribute clkgate_delay_attr;
-        unsigned long           clkgate_delay;
-#endif
-
         /* host specific block data */
         unsigned int            max_seg_size;   /* see blk_queue_max_segment_size */
         unsigned short          max_segs;       /* see blk_queue_max_segments */
@@ -423,6 +411,7 @@ int mmc_regulator_get_ocrmask(struct regulator *supply);
 int mmc_regulator_set_ocr(struct mmc_host *mmc,
                         struct regulator *supply,
                         unsigned short vdd_bit);
+int mmc_regulator_set_vqmmc(struct mmc_host *mmc, struct mmc_ios *ios);
 #else
 static inline int mmc_regulator_get_ocrmask(struct regulator *supply)
 {
@@ -435,6 +424,12 @@ static inline int mmc_regulator_set_ocr(struct mmc_host *mmc,
 {
         return 0;
 }
+
+static inline int mmc_regulator_set_vqmmc(struct mmc_host *mmc,
+                                          struct mmc_ios *ios)
+{
+        return -EINVAL;
+}
 #endif
 
 int mmc_regulator_get_supply(struct mmc_host *mmc);
@@ -479,26 +474,6 @@ static inline int mmc_host_packed_wr(struct mmc_host *host)
         return host->caps2 & MMC_CAP2_PACKED_WR;
 }
 
-#ifdef CONFIG_MMC_CLKGATE
-void mmc_host_clk_hold(struct mmc_host *host);
-void mmc_host_clk_release(struct mmc_host *host);
-unsigned int mmc_host_clk_rate(struct mmc_host *host);
-
-#else
-static inline void mmc_host_clk_hold(struct mmc_host *host)
-{
-}
-
-static inline void mmc_host_clk_release(struct mmc_host *host)
-{
-}
-
-static inline unsigned int mmc_host_clk_rate(struct mmc_host *host)
-{
-        return host->ios.clock;
-}
-#endif
-
 static inline int mmc_card_hs(struct mmc_card *card)
 {
         return card->host->ios.timing == MMC_TIMING_SD_HS ||