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-rw-r--r--drivers/acpi/battery.c2
-rw-r--r--drivers/acpi/numa.c4
-rw-r--r--drivers/acpi/pci_bind.c3
-rw-r--r--drivers/acpi/sbs.c27
-rw-r--r--drivers/acpi/sbshc.c17
-rw-r--r--drivers/acpi/sbshc.h6
-rw-r--r--drivers/acpi/video.c4
-rw-r--r--drivers/atm/fore200e.c3
-rw-r--r--drivers/char/ipmi/ipmi_watchdog.c2
-rw-r--r--drivers/infiniband/hw/ehca/ehca_classes.h1
-rw-r--r--drivers/infiniband/hw/ehca/ehca_main.c15
-rw-r--r--drivers/infiniband/hw/ehca/ehca_qp.c4
-rw-r--r--drivers/infiniband/hw/ehca/hcp_if.c27
-rw-r--r--drivers/infiniband/hw/ehca/hipz_hw.h1
-rw-r--r--drivers/misc/thinkpad_acpi.c4
-rw-r--r--drivers/net/fs_enet/mac-scc.c2
-rw-r--r--drivers/net/irda/irda-usb.c5
-rw-r--r--drivers/net/irda/mcs7780.c2
-rw-r--r--drivers/net/irda/stir4200.c10
-rw-r--r--drivers/net/wan/syncppp.c35
-rw-r--r--drivers/sbus/char/cpwatchdog.c2
-rw-r--r--drivers/watchdog/Kconfig23
-rw-r--r--drivers/watchdog/Makefile2
-rw-r--r--drivers/watchdog/at32ap700x_wdt.c69
-rw-r--r--drivers/watchdog/bfin_wdt.c2
-rw-r--r--drivers/watchdog/it8712f_wdt.c400
-rw-r--r--drivers/watchdog/sbc7240_wdt.c324
-rw-r--r--drivers/watchdog/w83697hf_wdt.c4
28 files changed, 919 insertions, 81 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 7d6be23eff89..8f7505d304b5 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -125,7 +125,7 @@ static int acpi_battery_technology(struct acpi_battery *battery)
125 return POWER_SUPPLY_TECHNOLOGY_NiMH; 125 return POWER_SUPPLY_TECHNOLOGY_NiMH;
126 if (!strcasecmp("LION", battery->type)) 126 if (!strcasecmp("LION", battery->type))
127 return POWER_SUPPLY_TECHNOLOGY_LION; 127 return POWER_SUPPLY_TECHNOLOGY_LION;
128 if (!strcasecmp("LI-ION", battery->type)) 128 if (!strncasecmp("LI-ION", battery->type, 6))
129 return POWER_SUPPLY_TECHNOLOGY_LION; 129 return POWER_SUPPLY_TECHNOLOGY_LION;
130 if (!strcasecmp("LiP", battery->type)) 130 if (!strcasecmp("LiP", battery->type))
131 return POWER_SUPPLY_TECHNOLOGY_LIPO; 131 return POWER_SUPPLY_TECHNOLOGY_LIPO;
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index ab04d848b19d..0822d9fc1cb4 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -38,9 +38,9 @@ ACPI_MODULE_NAME("numa");
38static nodemask_t nodes_found_map = NODE_MASK_NONE; 38static nodemask_t nodes_found_map = NODE_MASK_NONE;
39 39
40/* maps to convert between proximity domain and logical node ID */ 40/* maps to convert between proximity domain and logical node ID */
41static int __cpuinitdata pxm_to_node_map[MAX_PXM_DOMAINS] 41static int pxm_to_node_map[MAX_PXM_DOMAINS]
42 = { [0 ... MAX_PXM_DOMAINS - 1] = NID_INVAL }; 42 = { [0 ... MAX_PXM_DOMAINS - 1] = NID_INVAL };
43static int __cpuinitdata node_to_pxm_map[MAX_NUMNODES] 43static int node_to_pxm_map[MAX_NUMNODES]
44 = { [0 ... MAX_NUMNODES - 1] = PXM_INVAL }; 44 = { [0 ... MAX_NUMNODES - 1] = PXM_INVAL };
45 45
46int pxm_to_node(int pxm) 46int pxm_to_node(int pxm)
diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c
index 028969370bbf..388300de005d 100644
--- a/drivers/acpi/pci_bind.c
+++ b/drivers/acpi/pci_bind.c
@@ -294,9 +294,6 @@ int acpi_pci_unbind(struct acpi_device *device)
294 acpi_get_data(device->handle, acpi_pci_data_handler, 294 acpi_get_data(device->handle, acpi_pci_data_handler,
295 (void **)&data); 295 (void **)&data);
296 if (ACPI_FAILURE(status)) { 296 if (ACPI_FAILURE(status)) {
297 ACPI_EXCEPTION((AE_INFO, status,
298 "Unable to get data from device %s",
299 acpi_device_bid(device)));
300 result = -ENODEV; 297 result = -ENODEV;
301 goto end; 298 goto end;
302 } 299 }
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 6045cdbe176b..22cb95b349e4 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -54,12 +54,6 @@
54#define ACPI_BATTERY_DIR_NAME "BAT%i" 54#define ACPI_BATTERY_DIR_NAME "BAT%i"
55#define ACPI_AC_DIR_NAME "AC0" 55#define ACPI_AC_DIR_NAME "AC0"
56 56
57enum acpi_sbs_device_addr {
58 ACPI_SBS_CHARGER = 0x9,
59 ACPI_SBS_MANAGER = 0xa,
60 ACPI_SBS_BATTERY = 0xb,
61};
62
63#define ACPI_SBS_NOTIFY_STATUS 0x80 57#define ACPI_SBS_NOTIFY_STATUS 0x80
64#define ACPI_SBS_NOTIFY_INFO 0x81 58#define ACPI_SBS_NOTIFY_INFO 0x81
65 59
@@ -539,7 +533,7 @@ static struct proc_dir_entry *acpi_battery_dir = NULL;
539 533
540static inline char *acpi_battery_units(struct acpi_battery *battery) 534static inline char *acpi_battery_units(struct acpi_battery *battery)
541{ 535{
542 return acpi_battery_mode(battery) ? " mWh" : " mAh"; 536 return acpi_battery_mode(battery) ? " mW" : " mA";
543} 537}
544 538
545 539
@@ -556,10 +550,10 @@ static int acpi_battery_read_info(struct seq_file *seq, void *offset)
556 if (!battery->present) 550 if (!battery->present)
557 goto end; 551 goto end;
558 552
559 seq_printf(seq, "design capacity: %i%s\n", 553 seq_printf(seq, "design capacity: %i%sh\n",
560 battery->design_capacity * acpi_battery_scale(battery), 554 battery->design_capacity * acpi_battery_scale(battery),
561 acpi_battery_units(battery)); 555 acpi_battery_units(battery));
562 seq_printf(seq, "last full capacity: %i%s\n", 556 seq_printf(seq, "last full capacity: %i%sh\n",
563 battery->full_charge_capacity * acpi_battery_scale(battery), 557 battery->full_charge_capacity * acpi_battery_scale(battery),
564 acpi_battery_units(battery)); 558 acpi_battery_units(battery));
565 seq_printf(seq, "battery technology: rechargeable\n"); 559 seq_printf(seq, "battery technology: rechargeable\n");
@@ -590,7 +584,7 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset)
590{ 584{
591 struct acpi_battery *battery = seq->private; 585 struct acpi_battery *battery = seq->private;
592 struct acpi_sbs *sbs = battery->sbs; 586 struct acpi_sbs *sbs = battery->sbs;
593 int result = 0; 587 int rate;
594 588
595 mutex_lock(&sbs->lock); 589 mutex_lock(&sbs->lock);
596 seq_printf(seq, "present: %s\n", 590 seq_printf(seq, "present: %s\n",
@@ -604,9 +598,12 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset)
604 seq_printf(seq, "charging state: %s\n", 598 seq_printf(seq, "charging state: %s\n",
605 (battery->current_now < 0) ? "discharging" : 599 (battery->current_now < 0) ? "discharging" :
606 ((battery->current_now > 0) ? "charging" : "charged")); 600 ((battery->current_now > 0) ? "charging" : "charged"));
607 seq_printf(seq, "present rate: %d mA\n", 601 rate = abs(battery->current_now) * acpi_battery_ipscale(battery);
608 abs(battery->current_now) * acpi_battery_ipscale(battery)); 602 rate *= (acpi_battery_mode(battery))?(battery->voltage_now *
609 seq_printf(seq, "remaining capacity: %i%s\n", 603 acpi_battery_vscale(battery)/1000):1;
604 seq_printf(seq, "present rate: %d%s\n", rate,
605 acpi_battery_units(battery));
606 seq_printf(seq, "remaining capacity: %i%sh\n",
610 battery->capacity_now * acpi_battery_scale(battery), 607 battery->capacity_now * acpi_battery_scale(battery),
611 acpi_battery_units(battery)); 608 acpi_battery_units(battery));
612 seq_printf(seq, "present voltage: %i mV\n", 609 seq_printf(seq, "present voltage: %i mV\n",
@@ -614,7 +611,7 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset)
614 611
615 end: 612 end:
616 mutex_unlock(&sbs->lock); 613 mutex_unlock(&sbs->lock);
617 return result; 614 return 0;
618} 615}
619 616
620static int acpi_battery_state_open_fs(struct inode *inode, struct file *file) 617static int acpi_battery_state_open_fs(struct inode *inode, struct file *file)
@@ -638,7 +635,7 @@ static int acpi_battery_read_alarm(struct seq_file *seq, void *offset)
638 acpi_battery_get_alarm(battery); 635 acpi_battery_get_alarm(battery);
639 seq_printf(seq, "alarm: "); 636 seq_printf(seq, "alarm: ");
640 if (battery->alarm_capacity) 637 if (battery->alarm_capacity)
641 seq_printf(seq, "%i%s\n", 638 seq_printf(seq, "%i%sh\n",
642 battery->alarm_capacity * 639 battery->alarm_capacity *
643 acpi_battery_scale(battery), 640 acpi_battery_scale(battery),
644 acpi_battery_units(battery)); 641 acpi_battery_units(battery));
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index 046d7c3ed356..fd40b6a1d639 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -202,10 +202,9 @@ int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc)
202 202
203EXPORT_SYMBOL_GPL(acpi_smbus_unregister_callback); 203EXPORT_SYMBOL_GPL(acpi_smbus_unregister_callback);
204 204
205static void acpi_smbus_callback(void *context) 205static inline void acpi_smbus_callback(void *context)
206{ 206{
207 struct acpi_smb_hc *hc = context; 207 struct acpi_smb_hc *hc = context;
208
209 if (hc->callback) 208 if (hc->callback)
210 hc->callback(hc->context); 209 hc->callback(hc->context);
211} 210}
@@ -214,6 +213,7 @@ static int smbus_alarm(void *context)
214{ 213{
215 struct acpi_smb_hc *hc = context; 214 struct acpi_smb_hc *hc = context;
216 union acpi_smb_status status; 215 union acpi_smb_status status;
216 u8 address;
217 if (smb_hc_read(hc, ACPI_SMB_STATUS, &status.raw)) 217 if (smb_hc_read(hc, ACPI_SMB_STATUS, &status.raw))
218 return 0; 218 return 0;
219 /* Check if it is only a completion notify */ 219 /* Check if it is only a completion notify */
@@ -222,9 +222,18 @@ static int smbus_alarm(void *context)
222 if (!status.fields.alarm) 222 if (!status.fields.alarm)
223 return 0; 223 return 0;
224 mutex_lock(&hc->lock); 224 mutex_lock(&hc->lock);
225 smb_hc_read(hc, ACPI_SMB_ALARM_ADDRESS, &address);
226 status.fields.alarm = 0;
225 smb_hc_write(hc, ACPI_SMB_STATUS, status.raw); 227 smb_hc_write(hc, ACPI_SMB_STATUS, status.raw);
226 if (hc->callback) 228 /* We are only interested in events coming from known devices */
227 acpi_os_execute(OSL_GPE_HANDLER, acpi_smbus_callback, hc); 229 switch (address >> 1) {
230 case ACPI_SBS_CHARGER:
231 case ACPI_SBS_MANAGER:
232 case ACPI_SBS_BATTERY:
233 acpi_os_execute(OSL_GPE_HANDLER,
234 acpi_smbus_callback, hc);
235 default:;
236 }
228 mutex_unlock(&hc->lock); 237 mutex_unlock(&hc->lock);
229 return 0; 238 return 0;
230} 239}
diff --git a/drivers/acpi/sbshc.h b/drivers/acpi/sbshc.h
index 3bda3491a97b..a57b0762dd7f 100644
--- a/drivers/acpi/sbshc.h
+++ b/drivers/acpi/sbshc.h
@@ -16,6 +16,12 @@ enum acpi_smb_protocol {
16 16
17static const u8 SMBUS_PEC = 0x80; 17static const u8 SMBUS_PEC = 0x80;
18 18
19enum acpi_sbs_device_addr {
20 ACPI_SBS_CHARGER = 0x9,
21 ACPI_SBS_MANAGER = 0xa,
22 ACPI_SBS_BATTERY = 0xb,
23};
24
19typedef void (*smbus_alarm_callback)(void *context); 25typedef void (*smbus_alarm_callback)(void *context);
20 26
21extern int acpi_smbus_read(struct acpi_smb_hc *hc, u8 protocol, u8 address, 27extern int acpi_smbus_read(struct acpi_smb_hc *hc, u8 protocol, u8 address,
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 44a0d9ba9bd6..bd77e81e81c1 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -577,7 +577,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
577 struct acpi_video_device_brightness *br = NULL; 577 struct acpi_video_device_brightness *br = NULL;
578 578
579 579
580 memset(&device->cap, 0, 4); 580 memset(&device->cap, 0, sizeof(device->cap));
581 581
582 if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_ADR", &h_dummy1))) { 582 if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_ADR", &h_dummy1))) {
583 device->cap._ADR = 1; 583 device->cap._ADR = 1;
@@ -697,7 +697,7 @@ static void acpi_video_bus_find_cap(struct acpi_video_bus *video)
697{ 697{
698 acpi_handle h_dummy1; 698 acpi_handle h_dummy1;
699 699
700 memset(&video->cap, 0, 4); 700 memset(&video->cap, 0, sizeof(video->cap));
701 if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_DOS", &h_dummy1))) { 701 if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_DOS", &h_dummy1))) {
702 video->cap._DOS = 1; 702 video->cap._DOS = 1;
703 } 703 }
diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c
index 8b12925fe7a4..f97e050338f0 100644
--- a/drivers/atm/fore200e.c
+++ b/drivers/atm/fore200e.c
@@ -2689,7 +2689,7 @@ fore200e_init(struct fore200e* fore200e)
2689 return 0; 2689 return 0;
2690} 2690}
2691 2691
2692 2692#ifdef CONFIG_ATM_FORE200E_PCA
2693static int __devinit 2693static int __devinit
2694fore200e_pca_detect(struct pci_dev *pci_dev, const struct pci_device_id *pci_ent) 2694fore200e_pca_detect(struct pci_dev *pci_dev, const struct pci_device_id *pci_ent)
2695{ 2695{
@@ -2756,7 +2756,6 @@ static void __devexit fore200e_pca_remove_one(struct pci_dev *pci_dev)
2756} 2756}
2757 2757
2758 2758
2759#ifdef CONFIG_ATM_FORE200E_PCA
2760static struct pci_device_id fore200e_pca_tbl[] = { 2759static struct pci_device_id fore200e_pca_tbl[] = {
2761 { PCI_VENDOR_ID_FORE, PCI_DEVICE_ID_FORE_PCA200E, PCI_ANY_ID, PCI_ANY_ID, 2760 { PCI_VENDOR_ID_FORE, PCI_DEVICE_ID_FORE_PCA200E, PCI_ANY_ID, PCI_ANY_ID,
2762 0, 0, (unsigned long) &fore200e_bus[0] }, 2761 0, 0, (unsigned long) &fore200e_bus[0] },
diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c
index e686fc925168..8f45ca9235ad 100644
--- a/drivers/char/ipmi/ipmi_watchdog.c
+++ b/drivers/char/ipmi/ipmi_watchdog.c
@@ -669,6 +669,7 @@ static int ipmi_ioctl(struct inode *inode, struct file *file,
669 return 0; 669 return 0;
670 670
671 case WDIOC_SET_PRETIMEOUT: 671 case WDIOC_SET_PRETIMEOUT:
672 case WDIOC_SETPRETIMEOUT:
672 i = copy_from_user(&val, argp, sizeof(int)); 673 i = copy_from_user(&val, argp, sizeof(int));
673 if (i) 674 if (i)
674 return -EFAULT; 675 return -EFAULT;
@@ -676,6 +677,7 @@ static int ipmi_ioctl(struct inode *inode, struct file *file,
676 return ipmi_set_timeout(IPMI_SET_TIMEOUT_HB_IF_NECESSARY); 677 return ipmi_set_timeout(IPMI_SET_TIMEOUT_HB_IF_NECESSARY);
677 678
678 case WDIOC_GET_PRETIMEOUT: 679 case WDIOC_GET_PRETIMEOUT:
680 case WDIOC_GETPRETIMEOUT:
679 i = copy_to_user(argp, &pretimeout, sizeof(pretimeout)); 681 i = copy_to_user(argp, &pretimeout, sizeof(pretimeout));
680 if (i) 682 if (i)
681 return -EFAULT; 683 return -EFAULT;
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h
index 87f12d4312a7..74d2b72a11d8 100644
--- a/drivers/infiniband/hw/ehca/ehca_classes.h
+++ b/drivers/infiniband/hw/ehca/ehca_classes.h
@@ -322,6 +322,7 @@ extern int ehca_static_rate;
322extern int ehca_port_act_time; 322extern int ehca_port_act_time;
323extern int ehca_use_hp_mr; 323extern int ehca_use_hp_mr;
324extern int ehca_scaling_code; 324extern int ehca_scaling_code;
325extern int ehca_lock_hcalls;
325 326
326struct ipzu_queue_resp { 327struct ipzu_queue_resp {
327 u32 qe_size; /* queue entry size */ 328 u32 qe_size; /* queue entry size */
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index 90d4334179bf..6a56d86a2951 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -43,13 +43,14 @@
43#ifdef CONFIG_PPC_64K_PAGES 43#ifdef CONFIG_PPC_64K_PAGES
44#include <linux/slab.h> 44#include <linux/slab.h>
45#endif 45#endif
46
46#include "ehca_classes.h" 47#include "ehca_classes.h"
47#include "ehca_iverbs.h" 48#include "ehca_iverbs.h"
48#include "ehca_mrmw.h" 49#include "ehca_mrmw.h"
49#include "ehca_tools.h" 50#include "ehca_tools.h"
50#include "hcp_if.h" 51#include "hcp_if.h"
51 52
52#define HCAD_VERSION "0024" 53#define HCAD_VERSION "0025"
53 54
54MODULE_LICENSE("Dual BSD/GPL"); 55MODULE_LICENSE("Dual BSD/GPL");
55MODULE_AUTHOR("Christoph Raisch <raisch@de.ibm.com>"); 56MODULE_AUTHOR("Christoph Raisch <raisch@de.ibm.com>");
@@ -66,6 +67,7 @@ int ehca_poll_all_eqs = 1;
66int ehca_static_rate = -1; 67int ehca_static_rate = -1;
67int ehca_scaling_code = 0; 68int ehca_scaling_code = 0;
68int ehca_mr_largepage = 1; 69int ehca_mr_largepage = 1;
70int ehca_lock_hcalls = -1;
69 71
70module_param_named(open_aqp1, ehca_open_aqp1, int, S_IRUGO); 72module_param_named(open_aqp1, ehca_open_aqp1, int, S_IRUGO);
71module_param_named(debug_level, ehca_debug_level, int, S_IRUGO); 73module_param_named(debug_level, ehca_debug_level, int, S_IRUGO);
@@ -77,6 +79,7 @@ module_param_named(poll_all_eqs, ehca_poll_all_eqs, int, S_IRUGO);
77module_param_named(static_rate, ehca_static_rate, int, S_IRUGO); 79module_param_named(static_rate, ehca_static_rate, int, S_IRUGO);
78module_param_named(scaling_code, ehca_scaling_code, int, S_IRUGO); 80module_param_named(scaling_code, ehca_scaling_code, int, S_IRUGO);
79module_param_named(mr_largepage, ehca_mr_largepage, int, S_IRUGO); 81module_param_named(mr_largepage, ehca_mr_largepage, int, S_IRUGO);
82module_param_named(lock_hcalls, ehca_lock_hcalls, bool, S_IRUGO);
80 83
81MODULE_PARM_DESC(open_aqp1, 84MODULE_PARM_DESC(open_aqp1,
82 "AQP1 on startup (0: no (default), 1: yes)"); 85 "AQP1 on startup (0: no (default), 1: yes)");
@@ -102,6 +105,9 @@ MODULE_PARM_DESC(scaling_code,
102MODULE_PARM_DESC(mr_largepage, 105MODULE_PARM_DESC(mr_largepage,
103 "use large page for MR (0: use PAGE_SIZE (default), " 106 "use large page for MR (0: use PAGE_SIZE (default), "
104 "1: use large page depending on MR size"); 107 "1: use large page depending on MR size");
108MODULE_PARM_DESC(lock_hcalls,
109 "serialize all hCalls made by the driver "
110 "(default: autodetect)");
105 111
106DEFINE_RWLOCK(ehca_qp_idr_lock); 112DEFINE_RWLOCK(ehca_qp_idr_lock);
107DEFINE_RWLOCK(ehca_cq_idr_lock); 113DEFINE_RWLOCK(ehca_cq_idr_lock);
@@ -258,6 +264,7 @@ static struct cap_descr {
258 { HCA_CAP_UD_LL_QP, "HCA_CAP_UD_LL_QP" }, 264 { HCA_CAP_UD_LL_QP, "HCA_CAP_UD_LL_QP" },
259 { HCA_CAP_RESIZE_MR, "HCA_CAP_RESIZE_MR" }, 265 { HCA_CAP_RESIZE_MR, "HCA_CAP_RESIZE_MR" },
260 { HCA_CAP_MINI_QP, "HCA_CAP_MINI_QP" }, 266 { HCA_CAP_MINI_QP, "HCA_CAP_MINI_QP" },
267 { HCA_CAP_H_ALLOC_RES_SYNC, "HCA_CAP_H_ALLOC_RES_SYNC" },
261}; 268};
262 269
263static int ehca_sense_attributes(struct ehca_shca *shca) 270static int ehca_sense_attributes(struct ehca_shca *shca)
@@ -333,6 +340,12 @@ static int ehca_sense_attributes(struct ehca_shca *shca)
333 if (EHCA_BMASK_GET(hca_cap_descr[i].mask, shca->hca_cap)) 340 if (EHCA_BMASK_GET(hca_cap_descr[i].mask, shca->hca_cap))
334 ehca_gen_dbg(" %s", hca_cap_descr[i].descr); 341 ehca_gen_dbg(" %s", hca_cap_descr[i].descr);
335 342
343 /* Autodetect hCall locking -- the "H_ALLOC_RESOURCE synced" flag is
344 * a firmware property, so it's valid across all adapters
345 */
346 if (ehca_lock_hcalls == -1)
347 ehca_lock_hcalls = !(shca->hca_cap & HCA_CAP_H_ALLOC_RES_SYNC);
348
336 /* translate supported MR page sizes; always support 4K */ 349 /* translate supported MR page sizes; always support 4K */
337 shca->hca_cap_mr_pgsize = EHCA_PAGESIZE; 350 shca->hca_cap_mr_pgsize = EHCA_PAGESIZE;
338 if (ehca_mr_largepage) { /* support extra sizes only if enabled */ 351 if (ehca_mr_largepage) { /* support extra sizes only if enabled */
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index dd126681fed0..eff5fb55604b 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -838,7 +838,7 @@ struct ib_srq *ehca_create_srq(struct ib_pd *pd,
838 838
839 /* copy back return values */ 839 /* copy back return values */
840 srq_init_attr->attr.max_wr = qp_init_attr.cap.max_recv_wr; 840 srq_init_attr->attr.max_wr = qp_init_attr.cap.max_recv_wr;
841 srq_init_attr->attr.max_sge = qp_init_attr.cap.max_recv_sge; 841 srq_init_attr->attr.max_sge = 3;
842 842
843 /* drive SRQ into RTR state */ 843 /* drive SRQ into RTR state */
844 mqpcb = ehca_alloc_fw_ctrlblock(GFP_KERNEL); 844 mqpcb = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
@@ -1750,7 +1750,7 @@ int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr)
1750 } 1750 }
1751 1751
1752 srq_attr->max_wr = qpcb->max_nr_outst_recv_wr - 1; 1752 srq_attr->max_wr = qpcb->max_nr_outst_recv_wr - 1;
1753 srq_attr->max_sge = qpcb->actual_nr_sges_in_rq_wqe; 1753 srq_attr->max_sge = 3;
1754 srq_attr->srq_limit = EHCA_BMASK_GET( 1754 srq_attr->srq_limit = EHCA_BMASK_GET(
1755 MQPCB_CURR_SRQ_LIMIT, qpcb->curr_srq_limit); 1755 MQPCB_CURR_SRQ_LIMIT, qpcb->curr_srq_limit);
1756 1756
diff --git a/drivers/infiniband/hw/ehca/hcp_if.c b/drivers/infiniband/hw/ehca/hcp_if.c
index c16a21374bb5..7029aa653751 100644
--- a/drivers/infiniband/hw/ehca/hcp_if.c
+++ b/drivers/infiniband/hw/ehca/hcp_if.c
@@ -120,26 +120,21 @@ static long ehca_plpar_hcall_norets(unsigned long opcode,
120 unsigned long arg7) 120 unsigned long arg7)
121{ 121{
122 long ret; 122 long ret;
123 int i, sleep_msecs, do_lock; 123 int i, sleep_msecs;
124 unsigned long flags; 124 unsigned long flags = 0;
125 125
126 ehca_gen_dbg("opcode=%lx " HCALL7_REGS_FORMAT, 126 ehca_gen_dbg("opcode=%lx " HCALL7_REGS_FORMAT,
127 opcode, arg1, arg2, arg3, arg4, arg5, arg6, arg7); 127 opcode, arg1, arg2, arg3, arg4, arg5, arg6, arg7);
128 128
129 /* lock H_FREE_RESOURCE(MR) against itself and H_ALLOC_RESOURCE(MR) */
130 if ((opcode == H_FREE_RESOURCE) && (arg7 == 5)) {
131 arg7 = 0; /* better not upset firmware */
132 do_lock = 1;
133 }
134
135 for (i = 0; i < 5; i++) { 129 for (i = 0; i < 5; i++) {
136 if (do_lock) 130 /* serialize hCalls to work around firmware issue */
131 if (ehca_lock_hcalls)
137 spin_lock_irqsave(&hcall_lock, flags); 132 spin_lock_irqsave(&hcall_lock, flags);
138 133
139 ret = plpar_hcall_norets(opcode, arg1, arg2, arg3, arg4, 134 ret = plpar_hcall_norets(opcode, arg1, arg2, arg3, arg4,
140 arg5, arg6, arg7); 135 arg5, arg6, arg7);
141 136
142 if (do_lock) 137 if (ehca_lock_hcalls)
143 spin_unlock_irqrestore(&hcall_lock, flags); 138 spin_unlock_irqrestore(&hcall_lock, flags);
144 139
145 if (H_IS_LONG_BUSY(ret)) { 140 if (H_IS_LONG_BUSY(ret)) {
@@ -174,24 +169,22 @@ static long ehca_plpar_hcall9(unsigned long opcode,
174 unsigned long arg9) 169 unsigned long arg9)
175{ 170{
176 long ret; 171 long ret;
177 int i, sleep_msecs, do_lock; 172 int i, sleep_msecs;
178 unsigned long flags = 0; 173 unsigned long flags = 0;
179 174
180 ehca_gen_dbg("INPUT -- opcode=%lx " HCALL9_REGS_FORMAT, opcode, 175 ehca_gen_dbg("INPUT -- opcode=%lx " HCALL9_REGS_FORMAT, opcode,
181 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9); 176 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9);
182 177
183 /* lock H_ALLOC_RESOURCE(MR) against itself and H_FREE_RESOURCE(MR) */
184 do_lock = ((opcode == H_ALLOC_RESOURCE) && (arg2 == 5));
185
186 for (i = 0; i < 5; i++) { 178 for (i = 0; i < 5; i++) {
187 if (do_lock) 179 /* serialize hCalls to work around firmware issue */
180 if (ehca_lock_hcalls)
188 spin_lock_irqsave(&hcall_lock, flags); 181 spin_lock_irqsave(&hcall_lock, flags);
189 182
190 ret = plpar_hcall9(opcode, outs, 183 ret = plpar_hcall9(opcode, outs,
191 arg1, arg2, arg3, arg4, arg5, 184 arg1, arg2, arg3, arg4, arg5,
192 arg6, arg7, arg8, arg9); 185 arg6, arg7, arg8, arg9);
193 186
194 if (do_lock) 187 if (ehca_lock_hcalls)
195 spin_unlock_irqrestore(&hcall_lock, flags); 188 spin_unlock_irqrestore(&hcall_lock, flags);
196 189
197 if (H_IS_LONG_BUSY(ret)) { 190 if (H_IS_LONG_BUSY(ret)) {
@@ -821,7 +814,7 @@ u64 hipz_h_free_resource_mr(const struct ipz_adapter_handle adapter_handle,
821 return ehca_plpar_hcall_norets(H_FREE_RESOURCE, 814 return ehca_plpar_hcall_norets(H_FREE_RESOURCE,
822 adapter_handle.handle, /* r4 */ 815 adapter_handle.handle, /* r4 */
823 mr->ipz_mr_handle.handle, /* r5 */ 816 mr->ipz_mr_handle.handle, /* r5 */
824 0, 0, 0, 0, 5); 817 0, 0, 0, 0, 0);
825} 818}
826 819
827u64 hipz_h_reregister_pmr(const struct ipz_adapter_handle adapter_handle, 820u64 hipz_h_reregister_pmr(const struct ipz_adapter_handle adapter_handle,
diff --git a/drivers/infiniband/hw/ehca/hipz_hw.h b/drivers/infiniband/hw/ehca/hipz_hw.h
index 485b8400359e..bf996c7acc42 100644
--- a/drivers/infiniband/hw/ehca/hipz_hw.h
+++ b/drivers/infiniband/hw/ehca/hipz_hw.h
@@ -378,6 +378,7 @@ struct hipz_query_hca {
378#define HCA_CAP_UD_LL_QP EHCA_BMASK_IBM(16, 16) 378#define HCA_CAP_UD_LL_QP EHCA_BMASK_IBM(16, 16)
379#define HCA_CAP_RESIZE_MR EHCA_BMASK_IBM(17, 17) 379#define HCA_CAP_RESIZE_MR EHCA_BMASK_IBM(17, 17)
380#define HCA_CAP_MINI_QP EHCA_BMASK_IBM(18, 18) 380#define HCA_CAP_MINI_QP EHCA_BMASK_IBM(18, 18)
381#define HCA_CAP_H_ALLOC_RES_SYNC EHCA_BMASK_IBM(19, 19)
381 382
382/* query port response block */ 383/* query port response block */
383struct hipz_query_port { 384struct hipz_query_port {
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index ab23a3221585..cf56647a6ca4 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -987,9 +987,9 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
987 KEY_UNKNOWN, /* 0x0C: FN+BACKSPACE */ 987 KEY_UNKNOWN, /* 0x0C: FN+BACKSPACE */
988 KEY_UNKNOWN, /* 0x0D: FN+INSERT */ 988 KEY_UNKNOWN, /* 0x0D: FN+INSERT */
989 KEY_UNKNOWN, /* 0x0E: FN+DELETE */ 989 KEY_UNKNOWN, /* 0x0E: FN+DELETE */
990 KEY_BRIGHTNESSUP, /* 0x0F: FN+HOME (brightness up) */ 990 KEY_RESERVED, /* 0x0F: FN+HOME (brightness up) */
991 /* Scan codes 0x10 to 0x1F: Extended ACPI HKEY hot keys */ 991 /* Scan codes 0x10 to 0x1F: Extended ACPI HKEY hot keys */
992 KEY_BRIGHTNESSDOWN, /* 0x10: FN+END (brightness down) */ 992 KEY_RESERVED, /* 0x10: FN+END (brightness down) */
993 KEY_RESERVED, /* 0x11: FN+PGUP (thinklight toggle) */ 993 KEY_RESERVED, /* 0x11: FN+PGUP (thinklight toggle) */
994 KEY_UNKNOWN, /* 0x12: FN+PGDOWN */ 994 KEY_UNKNOWN, /* 0x12: FN+PGDOWN */
995 KEY_ZOOM, /* 0x13: FN+SPACE (zoom) */ 995 KEY_ZOOM, /* 0x13: FN+SPACE (zoom) */
diff --git a/drivers/net/fs_enet/mac-scc.c b/drivers/net/fs_enet/mac-scc.c
index 03134f47a4eb..48f2f3005935 100644
--- a/drivers/net/fs_enet/mac-scc.c
+++ b/drivers/net/fs_enet/mac-scc.c
@@ -158,7 +158,7 @@ static int setup_data(struct net_device *dev)
158{ 158{
159 struct fs_enet_private *fep = netdev_priv(dev); 159 struct fs_enet_private *fep = netdev_priv(dev);
160 160
161#ifdef CONFIG_PPC_CPM_NEW_BINDING 161#ifndef CONFIG_PPC_CPM_NEW_BINDING
162 struct fs_platform_info *fpi = fep->fpi; 162 struct fs_platform_info *fpi = fep->fpi;
163 163
164 fep->scc.idx = fs_get_scc_index(fpi->fs_no); 164 fep->scc.idx = fs_get_scc_index(fpi->fs_no);
diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c
index c6355c00fd7a..9081234ab458 100644
--- a/drivers/net/irda/irda-usb.c
+++ b/drivers/net/irda/irda-usb.c
@@ -1168,6 +1168,7 @@ static int stir421x_patch_device(struct irda_usb_cb *self)
1168static int irda_usb_net_open(struct net_device *netdev) 1168static int irda_usb_net_open(struct net_device *netdev)
1169{ 1169{
1170 struct irda_usb_cb *self; 1170 struct irda_usb_cb *self;
1171 unsigned long flags;
1171 char hwname[16]; 1172 char hwname[16];
1172 int i; 1173 int i;
1173 1174
@@ -1177,13 +1178,16 @@ static int irda_usb_net_open(struct net_device *netdev)
1177 self = (struct irda_usb_cb *) netdev->priv; 1178 self = (struct irda_usb_cb *) netdev->priv;
1178 IRDA_ASSERT(self != NULL, return -1;); 1179 IRDA_ASSERT(self != NULL, return -1;);
1179 1180
1181 spin_lock_irqsave(&self->lock, flags);
1180 /* Can only open the device if it's there */ 1182 /* Can only open the device if it's there */
1181 if(!self->present) { 1183 if(!self->present) {
1184 spin_unlock_irqrestore(&self->lock, flags);
1182 IRDA_WARNING("%s(), device not present!\n", __FUNCTION__); 1185 IRDA_WARNING("%s(), device not present!\n", __FUNCTION__);
1183 return -1; 1186 return -1;
1184 } 1187 }
1185 1188
1186 if(self->needspatch) { 1189 if(self->needspatch) {
1190 spin_unlock_irqrestore(&self->lock, flags);
1187 IRDA_WARNING("%s(), device needs patch\n", __FUNCTION__) ; 1191 IRDA_WARNING("%s(), device needs patch\n", __FUNCTION__) ;
1188 return -EIO ; 1192 return -EIO ;
1189 } 1193 }
@@ -1198,6 +1202,7 @@ static int irda_usb_net_open(struct net_device *netdev)
1198 /* To do *before* submitting Rx urbs and starting net Tx queue 1202 /* To do *before* submitting Rx urbs and starting net Tx queue
1199 * Jean II */ 1203 * Jean II */
1200 self->netopen = 1; 1204 self->netopen = 1;
1205 spin_unlock_irqrestore(&self->lock, flags);
1201 1206
1202 /* 1207 /*
1203 * Now that everything should be initialized properly, 1208 * Now that everything should be initialized properly,
diff --git a/drivers/net/irda/mcs7780.c b/drivers/net/irda/mcs7780.c
index 0b769192d4ce..93916cf33f29 100644
--- a/drivers/net/irda/mcs7780.c
+++ b/drivers/net/irda/mcs7780.c
@@ -677,6 +677,8 @@ static int mcs_net_close(struct net_device *netdev)
677 /* Stop transmit processing */ 677 /* Stop transmit processing */
678 netif_stop_queue(netdev); 678 netif_stop_queue(netdev);
679 679
680 kfree_skb(mcs->rx_buff.skb);
681
680 /* kill and free the receive and transmit URBs */ 682 /* kill and free the receive and transmit URBs */
681 usb_kill_urb(mcs->rx_urb); 683 usb_kill_urb(mcs->rx_urb);
682 usb_free_urb(mcs->rx_urb); 684 usb_free_urb(mcs->rx_urb);
diff --git a/drivers/net/irda/stir4200.c b/drivers/net/irda/stir4200.c
index 042bc2f0417d..e59c485bc497 100644
--- a/drivers/net/irda/stir4200.c
+++ b/drivers/net/irda/stir4200.c
@@ -142,9 +142,6 @@ enum StirCtrl2Mask {
142}; 142};
143 143
144enum StirFifoCtlMask { 144enum StirFifoCtlMask {
145 FIFOCTL_EOF = 0x80,
146 FIFOCTL_UNDER = 0x40,
147 FIFOCTL_OVER = 0x20,
148 FIFOCTL_DIR = 0x10, 145 FIFOCTL_DIR = 0x10,
149 FIFOCTL_CLR = 0x08, 146 FIFOCTL_CLR = 0x08,
150 FIFOCTL_EMPTY = 0x04, 147 FIFOCTL_EMPTY = 0x04,
@@ -594,9 +591,10 @@ static int fifo_txwait(struct stir_cb *stir, int space)
594{ 591{
595 int err; 592 int err;
596 unsigned long count, status; 593 unsigned long count, status;
594 unsigned long prev_count = 0x1fff;
597 595
598 /* Read FIFO status and count */ 596 /* Read FIFO status and count */
599 for(;;) { 597 for (;; prev_count = count) {
600 err = read_reg(stir, REG_FIFOCTL, stir->fifo_status, 598 err = read_reg(stir, REG_FIFOCTL, stir->fifo_status,
601 FIFO_REGS_SIZE); 599 FIFO_REGS_SIZE);
602 if (unlikely(err != FIFO_REGS_SIZE)) { 600 if (unlikely(err != FIFO_REGS_SIZE)) {
@@ -629,6 +627,10 @@ static int fifo_txwait(struct stir_cb *stir, int space)
629 if (space >= 0 && STIR_FIFO_SIZE - 4 > space + count) 627 if (space >= 0 && STIR_FIFO_SIZE - 4 > space + count)
630 return 0; 628 return 0;
631 629
630 /* queue confused */
631 if (prev_count < count)
632 break;
633
632 /* estimate transfer time for remaining chars */ 634 /* estimate transfer time for remaining chars */
633 msleep((count * 8000) / stir->speed); 635 msleep((count * 8000) / stir->speed);
634 } 636 }
diff --git a/drivers/net/wan/syncppp.c b/drivers/net/wan/syncppp.c
index 232ecba5340f..61e24b7a45a3 100644
--- a/drivers/net/wan/syncppp.c
+++ b/drivers/net/wan/syncppp.c
@@ -107,24 +107,24 @@
107struct ppp_header { 107struct ppp_header {
108 u8 address; 108 u8 address;
109 u8 control; 109 u8 control;
110 u16 protocol; 110 __be16 protocol;
111}; 111};
112#define PPP_HEADER_LEN sizeof (struct ppp_header) 112#define PPP_HEADER_LEN sizeof (struct ppp_header)
113 113
114struct lcp_header { 114struct lcp_header {
115 u8 type; 115 u8 type;
116 u8 ident; 116 u8 ident;
117 u16 len; 117 __be16 len;
118}; 118};
119#define LCP_HEADER_LEN sizeof (struct lcp_header) 119#define LCP_HEADER_LEN sizeof (struct lcp_header)
120 120
121struct cisco_packet { 121struct cisco_packet {
122 u32 type; 122 __be32 type;
123 u32 par1; 123 __be32 par1;
124 u32 par2; 124 __be32 par2;
125 u16 rel; 125 __be16 rel;
126 u16 time0; 126 __be16 time0;
127 u16 time1; 127 __be16 time1;
128}; 128};
129#define CISCO_PACKET_LEN 18 129#define CISCO_PACKET_LEN 18
130#define CISCO_BIG_PACKET_LEN 20 130#define CISCO_BIG_PACKET_LEN 20
@@ -139,7 +139,7 @@ static struct sk_buff_head tx_queue;
139static void sppp_keepalive (unsigned long dummy); 139static void sppp_keepalive (unsigned long dummy);
140static void sppp_cp_send (struct sppp *sp, u16 proto, u8 type, 140static void sppp_cp_send (struct sppp *sp, u16 proto, u8 type,
141 u8 ident, u16 len, void *data); 141 u8 ident, u16 len, void *data);
142static void sppp_cisco_send (struct sppp *sp, int type, long par1, long par2); 142static void sppp_cisco_send (struct sppp *sp, int type, u32 par1, u32 par2);
143static void sppp_lcp_input (struct sppp *sp, struct sk_buff *m); 143static void sppp_lcp_input (struct sppp *sp, struct sk_buff *m);
144static void sppp_cisco_input (struct sppp *sp, struct sk_buff *m); 144static void sppp_cisco_input (struct sppp *sp, struct sk_buff *m);
145static void sppp_ipcp_input (struct sppp *sp, struct sk_buff *m); 145static void sppp_ipcp_input (struct sppp *sp, struct sk_buff *m);
@@ -447,7 +447,7 @@ static void sppp_keepalive (unsigned long dummy)
447 sppp_cisco_send (sp, CISCO_KEEPALIVE_REQ, ++sp->pp_seq, 447 sppp_cisco_send (sp, CISCO_KEEPALIVE_REQ, ++sp->pp_seq,
448 sp->pp_rseq); 448 sp->pp_rseq);
449 else if (sp->lcp.state == LCP_STATE_OPENED) { 449 else if (sp->lcp.state == LCP_STATE_OPENED) {
450 long nmagic = htonl (sp->lcp.magic); 450 __be32 nmagic = htonl (sp->lcp.magic);
451 sp->lcp.echoid = ++sp->pp_seq; 451 sp->lcp.echoid = ++sp->pp_seq;
452 sppp_cp_send (sp, PPP_LCP, LCP_ECHO_REQ, 452 sppp_cp_send (sp, PPP_LCP, LCP_ECHO_REQ,
453 sp->lcp.echoid, 4, &nmagic); 453 sp->lcp.echoid, 4, &nmagic);
@@ -667,7 +667,7 @@ badreq:
667 dev->name, len); 667 dev->name, len);
668 break; 668 break;
669 } 669 }
670 if (ntohl (*(long*)(h+1)) == sp->lcp.magic) { 670 if (ntohl (*(__be32*)(h+1)) == sp->lcp.magic) {
671 /* Line loopback mode detected. */ 671 /* Line loopback mode detected. */
672 printk (KERN_WARNING "%s: loopback\n", dev->name); 672 printk (KERN_WARNING "%s: loopback\n", dev->name);
673 if_down (dev); 673 if_down (dev);
@@ -680,7 +680,7 @@ badreq:
680 sppp_lcp_open (sp); 680 sppp_lcp_open (sp);
681 break; 681 break;
682 } 682 }
683 *(long*)(h+1) = htonl (sp->lcp.magic); 683 *(__be32 *)(h+1) = htonl (sp->lcp.magic);
684 sppp_cp_send (sp, PPP_LCP, LCP_ECHO_REPLY, h->ident, len-4, h+1); 684 sppp_cp_send (sp, PPP_LCP, LCP_ECHO_REPLY, h->ident, len-4, h+1);
685 break; 685 break;
686 case LCP_ECHO_REPLY: 686 case LCP_ECHO_REPLY:
@@ -692,7 +692,7 @@ badreq:
692 dev->name, len); 692 dev->name, len);
693 break; 693 break;
694 } 694 }
695 if (ntohl (*(long*)(h+1)) != sp->lcp.magic) 695 if (ntohl(*(__be32 *)(h+1)) != sp->lcp.magic)
696 sp->pp_alivecnt = 0; 696 sp->pp_alivecnt = 0;
697 break; 697 break;
698 } 698 }
@@ -765,7 +765,7 @@ static void sppp_cisco_input (struct sppp *sp, struct sk_buff *skb)
765 { 765 {
766 struct in_device *in_dev; 766 struct in_device *in_dev;
767 struct in_ifaddr *ifa; 767 struct in_ifaddr *ifa;
768 __be32 addr = 0, mask = ~0; /* FIXME: is the mask correct? */ 768 __be32 addr = 0, mask = htonl(~0U); /* FIXME: is the mask correct? */
769#ifdef CONFIG_INET 769#ifdef CONFIG_INET
770 rcu_read_lock(); 770 rcu_read_lock();
771 if ((in_dev = __in_dev_get_rcu(dev)) != NULL) 771 if ((in_dev = __in_dev_get_rcu(dev)) != NULL)
@@ -782,8 +782,7 @@ static void sppp_cisco_input (struct sppp *sp, struct sk_buff *skb)
782 } 782 }
783 rcu_read_unlock(); 783 rcu_read_unlock();
784#endif 784#endif
785 /* I hope both addr and mask are in the net order */ 785 sppp_cisco_send (sp, CISCO_ADDR_REPLY, ntohl(addr), ntohl(mask));
786 sppp_cisco_send (sp, CISCO_ADDR_REPLY, addr, mask);
787 break; 786 break;
788 } 787 }
789 } 788 }
@@ -844,7 +843,7 @@ static void sppp_cp_send (struct sppp *sp, u16 proto, u8 type,
844 * Send Cisco keepalive packet. 843 * Send Cisco keepalive packet.
845 */ 844 */
846 845
847static void sppp_cisco_send (struct sppp *sp, int type, long par1, long par2) 846static void sppp_cisco_send (struct sppp *sp, int type, u32 par1, u32 par2)
848{ 847{
849 struct ppp_header *h; 848 struct ppp_header *h;
850 struct cisco_packet *ch; 849 struct cisco_packet *ch;
@@ -868,7 +867,7 @@ static void sppp_cisco_send (struct sppp *sp, int type, long par1, long par2)
868 ch->type = htonl (type); 867 ch->type = htonl (type);
869 ch->par1 = htonl (par1); 868 ch->par1 = htonl (par1);
870 ch->par2 = htonl (par2); 869 ch->par2 = htonl (par2);
871 ch->rel = -1; 870 ch->rel = htons(0xffff);
872 ch->time0 = htons ((u16) (t >> 16)); 871 ch->time0 = htons ((u16) (t >> 16));
873 ch->time1 = htons ((u16) t); 872 ch->time1 = htons ((u16) t);
874 873
diff --git a/drivers/sbus/char/cpwatchdog.c b/drivers/sbus/char/cpwatchdog.c
index 7b5773d88212..a4e758143665 100644
--- a/drivers/sbus/char/cpwatchdog.c
+++ b/drivers/sbus/char/cpwatchdog.c
@@ -154,7 +154,7 @@ struct wd_device {
154}; 154};
155 155
156static struct wd_device wd_dev = { 156static struct wd_device wd_dev = {
157 0, SPIN_LOCK_UNLOCKED, 0, 0, 0, 0, 157 0, __SPIN_LOCK_UNLOCKED(wd_dev.lock), 0, 0, 0, 0,
158}; 158};
159 159
160static struct timer_list wd_timer; 160static struct timer_list wd_timer;
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 2792bc1a7269..52dff40ec192 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -392,6 +392,16 @@ config ITCO_VENDOR_SUPPORT
392 devices. At this moment we only have additional support for some 392 devices. At this moment we only have additional support for some
393 SuperMicro Inc. motherboards. 393 SuperMicro Inc. motherboards.
394 394
395config IT8712F_WDT
396 tristate "IT8712F (Smart Guardian) Watchdog Timer"
397 depends on X86
398 ---help---
399 This is the driver for the built-in watchdog timer on the IT8712F
400 Super I/0 chipset used on many motherboards.
401
402 To compile this driver as a module, choose M here: the
403 module will be called it8712f_wdt.
404
395config SC1200_WDT 405config SC1200_WDT
396 tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog" 406 tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
397 depends on X86 407 depends on X86
@@ -456,6 +466,19 @@ config SBC8360_WDT
456 466
457 Most people will say N. 467 Most people will say N.
458 468
469config SBC7240_WDT
470 tristate "SBC Nano 7240 Watchdog Timer"
471 depends on X86_32
472 ---help---
473 This is the driver for the hardware watchdog found on the IEI
474 single board computers EPIC Nano 7240 (and likely others). This
475 watchdog simply watches your kernel to make sure it doesn't freeze,
476 and if it does, it reboots your computer after a certain amount of
477 time.
478
479 To compile this driver as a module, choose M here: the
480 module will be called sbc7240_wdt.
481
459config CPU5_WDT 482config CPU5_WDT
460 tristate "SMA CPU5 Watchdog" 483 tristate "SMA CPU5 Watchdog"
461 depends on X86 484 depends on X86
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 7d9e5734f8bb..87483cc63252 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -66,11 +66,13 @@ obj-$(CONFIG_IBMASR) += ibmasr.o
66obj-$(CONFIG_WAFER_WDT) += wafer5823wdt.o 66obj-$(CONFIG_WAFER_WDT) += wafer5823wdt.o
67obj-$(CONFIG_I6300ESB_WDT) += i6300esb.o 67obj-$(CONFIG_I6300ESB_WDT) += i6300esb.o
68obj-$(CONFIG_ITCO_WDT) += iTCO_wdt.o iTCO_vendor_support.o 68obj-$(CONFIG_ITCO_WDT) += iTCO_wdt.o iTCO_vendor_support.o
69obj-$(CONFIG_IT8712F_WDT) += it8712f_wdt.o
69obj-$(CONFIG_SC1200_WDT) += sc1200wdt.o 70obj-$(CONFIG_SC1200_WDT) += sc1200wdt.o
70obj-$(CONFIG_SCx200_WDT) += scx200_wdt.o 71obj-$(CONFIG_SCx200_WDT) += scx200_wdt.o
71obj-$(CONFIG_PC87413_WDT) += pc87413_wdt.o 72obj-$(CONFIG_PC87413_WDT) += pc87413_wdt.o
72obj-$(CONFIG_60XX_WDT) += sbc60xxwdt.o 73obj-$(CONFIG_60XX_WDT) += sbc60xxwdt.o
73obj-$(CONFIG_SBC8360_WDT) += sbc8360.o 74obj-$(CONFIG_SBC8360_WDT) += sbc8360.o
75obj-$(CONFIG_SBC7240_WDT) += sbc7240_wdt.o
74obj-$(CONFIG_CPU5_WDT) += cpu5wdt.o 76obj-$(CONFIG_CPU5_WDT) += cpu5wdt.o
75obj-$(CONFIG_SMSC37B787_WDT) += smsc37b787_wdt.o 77obj-$(CONFIG_SMSC37B787_WDT) += smsc37b787_wdt.o
76obj-$(CONFIG_W83627HF_WDT) += w83627hf_wdt.o 78obj-$(CONFIG_W83627HF_WDT) += w83627hf_wdt.o
diff --git a/drivers/watchdog/at32ap700x_wdt.c b/drivers/watchdog/at32ap700x_wdt.c
index 54a516169d07..fb5ed6478f78 100644
--- a/drivers/watchdog/at32ap700x_wdt.c
+++ b/drivers/watchdog/at32ap700x_wdt.c
@@ -6,6 +6,19 @@
6 * This program is free software; you can redistribute it and/or modify 6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as 7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation. 8 * published by the Free Software Foundation.
9 *
10 *
11 * Errata: WDT Clear is blocked after WDT Reset
12 *
13 * A watchdog timer event will, after reset, block writes to the WDT_CLEAR
14 * register, preventing the program to clear the next Watchdog Timer Reset.
15 *
16 * If you still want to use the WDT after a WDT reset a small code can be
17 * insterted at the startup checking the AVR32_PM.rcause register for WDT reset
18 * and use a GPIO pin to reset the system. This method requires that one of the
19 * GPIO pins are available and connected externally to the RESET_N pin. After
20 * the GPIO pin has pulled down the reset line the GPIO will be reset and leave
21 * the pin tristated with pullup.
9 */ 22 */
10 23
11#include <linux/init.h> 24#include <linux/init.h>
@@ -44,6 +57,13 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
44 57
45#define WDT_CLR 0x04 58#define WDT_CLR 0x04
46 59
60#define WDT_RCAUSE 0x10
61#define WDT_RCAUSE_POR 0
62#define WDT_RCAUSE_EXT 2
63#define WDT_RCAUSE_WDT 3
64#define WDT_RCAUSE_JTAG 4
65#define WDT_RCAUSE_SERP 5
66
47#define WDT_BIT(name) (1 << WDT_##name) 67#define WDT_BIT(name) (1 << WDT_##name)
48#define WDT_BF(name, value) ((value) << WDT_##name) 68#define WDT_BF(name, value) ((value) << WDT_##name)
49 69
@@ -56,6 +76,7 @@ struct wdt_at32ap700x {
56 void __iomem *regs; 76 void __iomem *regs;
57 spinlock_t io_lock; 77 spinlock_t io_lock;
58 int timeout; 78 int timeout;
79 int boot_status;
59 unsigned long users; 80 unsigned long users;
60 struct miscdevice miscdev; 81 struct miscdevice miscdev;
61}; 82};
@@ -126,7 +147,7 @@ static int at32_wdt_close(struct inode *inode, struct file *file)
126 at32_wdt_stop(); 147 at32_wdt_stop();
127 } else { 148 } else {
128 dev_dbg(wdt->miscdev.parent, 149 dev_dbg(wdt->miscdev.parent,
129 "Unexpected close, not stopping watchdog!\n"); 150 "unexpected close, not stopping watchdog!\n");
130 at32_wdt_pat(); 151 at32_wdt_pat();
131 } 152 }
132 clear_bit(1, &wdt->users); 153 clear_bit(1, &wdt->users);
@@ -154,6 +175,33 @@ static int at32_wdt_settimeout(int time)
154 return 0; 175 return 0;
155} 176}
156 177
178/*
179 * Get the watchdog status.
180 */
181static int at32_wdt_get_status(void)
182{
183 int rcause;
184 int status = 0;
185
186 rcause = wdt_readl(wdt, RCAUSE);
187
188 switch (rcause) {
189 case WDT_BIT(RCAUSE_EXT):
190 status = WDIOF_EXTERN1;
191 break;
192 case WDT_BIT(RCAUSE_WDT):
193 status = WDIOF_CARDRESET;
194 break;
195 case WDT_BIT(RCAUSE_POR): /* fall through */
196 case WDT_BIT(RCAUSE_JTAG): /* fall through */
197 case WDT_BIT(RCAUSE_SERP): /* fall through */
198 default:
199 break;
200 }
201
202 return status;
203}
204
157static struct watchdog_info at32_wdt_info = { 205static struct watchdog_info at32_wdt_info = {
158 .identity = "at32ap700x watchdog", 206 .identity = "at32ap700x watchdog",
159 .options = WDIOF_SETTIMEOUT | 207 .options = WDIOF_SETTIMEOUT |
@@ -194,10 +242,12 @@ static int at32_wdt_ioctl(struct inode *inode, struct file *file,
194 case WDIOC_GETTIMEOUT: 242 case WDIOC_GETTIMEOUT:
195 ret = put_user(wdt->timeout, p); 243 ret = put_user(wdt->timeout, p);
196 break; 244 break;
197 case WDIOC_GETSTATUS: /* fall through */ 245 case WDIOC_GETSTATUS:
198 case WDIOC_GETBOOTSTATUS:
199 ret = put_user(0, p); 246 ret = put_user(0, p);
200 break; 247 break;
248 case WDIOC_GETBOOTSTATUS:
249 ret = put_user(wdt->boot_status, p);
250 break;
201 case WDIOC_SETOPTIONS: 251 case WDIOC_SETOPTIONS:
202 ret = get_user(time, p); 252 ret = get_user(time, p);
203 if (ret) 253 if (ret)
@@ -282,8 +332,19 @@ static int __init at32_wdt_probe(struct platform_device *pdev)
282 dev_dbg(&pdev->dev, "could not map I/O memory\n"); 332 dev_dbg(&pdev->dev, "could not map I/O memory\n");
283 goto err_free; 333 goto err_free;
284 } 334 }
335
285 spin_lock_init(&wdt->io_lock); 336 spin_lock_init(&wdt->io_lock);
286 wdt->users = 0; 337 wdt->boot_status = at32_wdt_get_status();
338
339 /* Work-around for watchdog silicon errata. */
340 if (wdt->boot_status & WDIOF_CARDRESET) {
341 dev_info(&pdev->dev, "CPU must be reset with external "
342 "reset or POR due to silicon errata.\n");
343 ret = -EIO;
344 goto err_iounmap;
345 } else {
346 wdt->users = 0;
347 }
287 wdt->miscdev.minor = WATCHDOG_MINOR; 348 wdt->miscdev.minor = WATCHDOG_MINOR;
288 wdt->miscdev.name = "watchdog"; 349 wdt->miscdev.name = "watchdog";
289 wdt->miscdev.fops = &at32_wdt_fops; 350 wdt->miscdev.fops = &at32_wdt_fops;
diff --git a/drivers/watchdog/bfin_wdt.c b/drivers/watchdog/bfin_wdt.c
index 309d27913fc1..31dc7a69e90c 100644
--- a/drivers/watchdog/bfin_wdt.c
+++ b/drivers/watchdog/bfin_wdt.c
@@ -71,7 +71,7 @@ static int nowayout = WATCHDOG_NOWAYOUT;
71static struct watchdog_info bfin_wdt_info; 71static struct watchdog_info bfin_wdt_info;
72static unsigned long open_check; 72static unsigned long open_check;
73static char expect_close; 73static char expect_close;
74static spinlock_t bfin_wdt_spinlock = SPIN_LOCK_UNLOCKED; 74static DEFINE_SPINLOCK(bfin_wdt_spinlock);
75 75
76/** 76/**
77 * bfin_wdt_keepalive - Keep the Userspace Watchdog Alive 77 * bfin_wdt_keepalive - Keep the Userspace Watchdog Alive
diff --git a/drivers/watchdog/it8712f_wdt.c b/drivers/watchdog/it8712f_wdt.c
new file mode 100644
index 000000000000..6330fc02464e
--- /dev/null
+++ b/drivers/watchdog/it8712f_wdt.c
@@ -0,0 +1,400 @@
1/*
2 * IT8712F "Smart Guardian" Watchdog support
3 *
4 * Copyright (c) 2006-2007 Jorge Boncompte - DTI2 <jorge@dti2.net>
5 *
6 * Based on info and code taken from:
7 *
8 * drivers/char/watchdog/scx200_wdt.c
9 * drivers/hwmon/it87.c
10 * IT8712F EC-LPC I/O Preliminary Specification 0.9.2.pdf
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of the
15 * License, or (at your option) any later version.
16 *
17 * The author(s) of this software shall not be held liable for damages
18 * of any nature resulting due to the use of this software. This
19 * software is provided AS-IS with no warranties.
20 */
21
22#include <linux/module.h>
23#include <linux/moduleparam.h>
24#include <linux/init.h>
25#include <linux/miscdevice.h>
26#include <linux/watchdog.h>
27#include <linux/notifier.h>
28#include <linux/reboot.h>
29#include <linux/fs.h>
30#include <linux/pci.h>
31#include <linux/spinlock.h>
32
33#include <asm/uaccess.h>
34#include <asm/io.h>
35
36#define NAME "it8712f_wdt"
37
38MODULE_AUTHOR("Jorge Boncompte - DTI2 <jorge@dti2.net>");
39MODULE_DESCRIPTION("IT8712F Watchdog Driver");
40MODULE_LICENSE("GPL");
41MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
42
43static int margin = 60; /* in seconds */
44module_param(margin, int, 0);
45MODULE_PARM_DESC(margin, "Watchdog margin in seconds");
46
47static int nowayout = WATCHDOG_NOWAYOUT;
48module_param(nowayout, int, 0);
49MODULE_PARM_DESC(nowayout, "Disable watchdog shutdown on close");
50
51static struct semaphore it8712f_wdt_sem;
52static unsigned expect_close;
53static spinlock_t io_lock;
54
55/* Dog Food address - We use the game port address */
56static unsigned short address;
57
58#define REG 0x2e /* The register to read/write */
59#define VAL 0x2f /* The value to read/write */
60
61#define LDN 0x07 /* Register: Logical device select */
62#define DEVID 0x20 /* Register: Device ID */
63#define DEVREV 0x22 /* Register: Device Revision */
64#define ACT_REG 0x30 /* LDN Register: Activation */
65#define BASE_REG 0x60 /* LDN Register: Base address */
66
67#define IT8712F_DEVID 0x8712
68
69#define LDN_GPIO 0x07 /* GPIO and Watch Dog Timer */
70#define LDN_GAME 0x09 /* Game Port */
71
72#define WDT_CONTROL 0x71 /* WDT Register: Control */
73#define WDT_CONFIG 0x72 /* WDT Register: Configuration */
74#define WDT_TIMEOUT 0x73 /* WDT Register: Timeout Value */
75
76#define WDT_RESET_GAME 0x10
77#define WDT_RESET_KBD 0x20
78#define WDT_RESET_MOUSE 0x40
79#define WDT_RESET_CIR 0x80
80
81#define WDT_UNIT_SEC 0x80 /* If 0 in MINUTES */
82
83#define WDT_OUT_PWROK 0x10
84#define WDT_OUT_KRST 0x40
85
86static int
87superio_inb(int reg)
88{
89 outb(reg, REG);
90 return inb(VAL);
91}
92
93static void
94superio_outb(int val, int reg)
95{
96 outb(reg, REG);
97 outb(val, VAL);
98}
99
100static int
101superio_inw(int reg)
102{
103 int val;
104 outb(reg++, REG);
105 val = inb(VAL) << 8;
106 outb(reg, REG);
107 val |= inb(VAL);
108 return val;
109}
110
111static inline void
112superio_select(int ldn)
113{
114 outb(LDN, REG);
115 outb(ldn, VAL);
116}
117
118static inline void
119superio_enter(void)
120{
121 spin_lock(&io_lock);
122 outb(0x87, REG);
123 outb(0x01, REG);
124 outb(0x55, REG);
125 outb(0x55, REG);
126}
127
128static inline void
129superio_exit(void)
130{
131 outb(0x02, REG);
132 outb(0x02, VAL);
133 spin_unlock(&io_lock);
134}
135
136static inline void
137it8712f_wdt_ping(void)
138{
139 inb(address);
140}
141
142static void
143it8712f_wdt_update_margin(void)
144{
145 int config = WDT_OUT_KRST | WDT_OUT_PWROK;
146
147 printk(KERN_INFO NAME ": timer margin %d seconds\n", margin);
148
149 /* The timeout register only has 8bits wide */
150 if (margin < 256)
151 config |= WDT_UNIT_SEC; /* else UNIT are MINUTES */
152 superio_outb(config, WDT_CONFIG);
153
154 superio_outb((margin > 255) ? (margin / 60) : margin, WDT_TIMEOUT);
155}
156
157static void
158it8712f_wdt_enable(void)
159{
160 printk(KERN_DEBUG NAME ": enabling watchdog timer\n");
161 superio_enter();
162 superio_select(LDN_GPIO);
163
164 superio_outb(WDT_RESET_GAME, WDT_CONTROL);
165
166 it8712f_wdt_update_margin();
167
168 superio_exit();
169
170 it8712f_wdt_ping();
171}
172
173static void
174it8712f_wdt_disable(void)
175{
176 printk(KERN_DEBUG NAME ": disabling watchdog timer\n");
177
178 superio_enter();
179 superio_select(LDN_GPIO);
180
181 superio_outb(0, WDT_CONFIG);
182 superio_outb(0, WDT_CONTROL);
183 superio_outb(0, WDT_TIMEOUT);
184
185 superio_exit();
186}
187
188static int
189it8712f_wdt_notify(struct notifier_block *this,
190 unsigned long code, void *unused)
191{
192 if (code == SYS_HALT || code == SYS_POWER_OFF)
193 if (!nowayout)
194 it8712f_wdt_disable();
195
196 return NOTIFY_DONE;
197}
198
199static struct notifier_block it8712f_wdt_notifier = {
200 .notifier_call = it8712f_wdt_notify,
201};
202
203static ssize_t
204it8712f_wdt_write(struct file *file, const char __user *data,
205 size_t len, loff_t *ppos)
206{
207 /* check for a magic close character */
208 if (len) {
209 size_t i;
210
211 it8712f_wdt_ping();
212
213 expect_close = 0;
214 for (i = 0; i < len; ++i) {
215 char c;
216 if (get_user(c, data+i))
217 return -EFAULT;
218 if (c == 'V')
219 expect_close = 42;
220 }
221 }
222
223 return len;
224}
225
226static int
227it8712f_wdt_ioctl(struct inode *inode, struct file *file,
228 unsigned int cmd, unsigned long arg)
229{
230 void __user *argp = (void __user *)arg;
231 int __user *p = argp;
232 static struct watchdog_info ident = {
233 .identity = "IT8712F Watchdog",
234 .firmware_version = 1,
235 .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
236 };
237 int new_margin;
238
239 switch (cmd) {
240 default:
241 return -ENOTTY;
242 case WDIOC_GETSUPPORT:
243 if (copy_to_user(argp, &ident, sizeof(ident)))
244 return -EFAULT;
245 return 0;
246 case WDIOC_GETSTATUS:
247 case WDIOC_GETBOOTSTATUS:
248 return put_user(0, p);
249 case WDIOC_KEEPALIVE:
250 it8712f_wdt_ping();
251 return 0;
252 case WDIOC_SETTIMEOUT:
253 if (get_user(new_margin, p))
254 return -EFAULT;
255 if (new_margin < 1)
256 return -EINVAL;
257 margin = new_margin;
258 superio_enter();
259 superio_select(LDN_GPIO);
260
261 it8712f_wdt_update_margin();
262
263 superio_exit();
264 it8712f_wdt_ping();
265 case WDIOC_GETTIMEOUT:
266 if (put_user(margin, p))
267 return -EFAULT;
268 return 0;
269 }
270}
271
272static int
273it8712f_wdt_open(struct inode *inode, struct file *file)
274{
275 /* only allow one at a time */
276 if (down_trylock(&it8712f_wdt_sem))
277 return -EBUSY;
278 it8712f_wdt_enable();
279
280 return nonseekable_open(inode, file);
281}
282
283static int
284it8712f_wdt_release(struct inode *inode, struct file *file)
285{
286 if (expect_close != 42) {
287 printk(KERN_WARNING NAME
288 ": watchdog device closed unexpectedly, will not"
289 " disable the watchdog timer\n");
290 } else if (!nowayout) {
291 it8712f_wdt_disable();
292 }
293 expect_close = 0;
294 up(&it8712f_wdt_sem);
295
296 return 0;
297}
298
299static struct file_operations it8712f_wdt_fops = {
300 .owner = THIS_MODULE,
301 .llseek = no_llseek,
302 .write = it8712f_wdt_write,
303 .ioctl = it8712f_wdt_ioctl,
304 .open = it8712f_wdt_open,
305 .release = it8712f_wdt_release,
306};
307
308static struct miscdevice it8712f_wdt_miscdev = {
309 .minor = WATCHDOG_MINOR,
310 .name = "watchdog",
311 .fops = &it8712f_wdt_fops,
312};
313
314static int __init
315it8712f_wdt_find(unsigned short *address)
316{
317 int err = -ENODEV;
318 int chip_type;
319
320 superio_enter();
321 chip_type = superio_inw(DEVID);
322 if (chip_type != IT8712F_DEVID)
323 goto exit;
324
325 superio_select(LDN_GAME);
326 superio_outb(1, ACT_REG);
327 if (!(superio_inb(ACT_REG) & 0x01)) {
328 printk(KERN_ERR NAME ": Device not activated, skipping\n");
329 goto exit;
330 }
331
332 *address = superio_inw(BASE_REG);
333 if (*address == 0) {
334 printk(KERN_ERR NAME ": Base address not set, skipping\n");
335 goto exit;
336 }
337
338 err = 0;
339 printk(KERN_DEBUG NAME ": Found IT%04xF chip revision %d - "
340 "using DogFood address 0x%x\n",
341 chip_type, superio_inb(DEVREV) & 0x0f, *address);
342
343exit:
344 superio_exit();
345 return err;
346}
347
348static int __init
349it8712f_wdt_init(void)
350{
351 int err = 0;
352
353 spin_lock_init(&io_lock);
354
355 if (it8712f_wdt_find(&address))
356 return -ENODEV;
357
358 if (!request_region(address, 1, "IT8712F Watchdog")) {
359 printk(KERN_WARNING NAME ": watchdog I/O region busy\n");
360 return -EBUSY;
361 }
362
363 it8712f_wdt_disable();
364
365 sema_init(&it8712f_wdt_sem, 1);
366
367 err = register_reboot_notifier(&it8712f_wdt_notifier);
368 if (err) {
369 printk(KERN_ERR NAME ": unable to register reboot notifier\n");
370 goto out;
371 }
372
373 err = misc_register(&it8712f_wdt_miscdev);
374 if (err) {
375 printk(KERN_ERR NAME
376 ": cannot register miscdev on minor=%d (err=%d)\n",
377 WATCHDOG_MINOR, err);
378 goto reboot_out;
379 }
380
381 return 0;
382
383
384reboot_out:
385 unregister_reboot_notifier(&it8712f_wdt_notifier);
386out:
387 release_region(address, 1);
388 return err;
389}
390
391static void __exit
392it8712f_wdt_exit(void)
393{
394 misc_deregister(&it8712f_wdt_miscdev);
395 unregister_reboot_notifier(&it8712f_wdt_notifier);
396 release_region(address, 1);
397}
398
399module_init(it8712f_wdt_init);
400module_exit(it8712f_wdt_exit);
diff --git a/drivers/watchdog/sbc7240_wdt.c b/drivers/watchdog/sbc7240_wdt.c
new file mode 100644
index 000000000000..4c8cefbd8627
--- /dev/null
+++ b/drivers/watchdog/sbc7240_wdt.c
@@ -0,0 +1,324 @@
1/*
2 * NANO7240 SBC Watchdog device driver
3 *
4 * Based on w83877f.c by Scott Jennings,
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation;
9 *
10 * Software distributed under the License is distributed on an "AS IS"
11 * basis, WITHOUT WARRANTY OF ANY KIND, either express or
12 * implied. See the License for the specific language governing
13 * rights and limitations under the License.
14 *
15 * (c) Copyright 2007 Gilles GIGAN <gilles.gigan@jcu.edu.au>
16 *
17 */
18
19#include <linux/fs.h>
20#include <linux/init.h>
21#include <linux/ioport.h>
22#include <linux/jiffies.h>
23#include <linux/module.h>
24#include <linux/moduleparam.h>
25#include <linux/miscdevice.h>
26#include <linux/notifier.h>
27#include <linux/reboot.h>
28#include <linux/types.h>
29#include <linux/watchdog.h>
30#include <asm/atomic.h>
31#include <asm/io.h>
32#include <asm/system.h>
33#include <asm/uaccess.h>
34
35#define SBC7240_PREFIX "sbc7240_wdt: "
36
37#define SBC7240_ENABLE_PORT 0x443
38#define SBC7240_DISABLE_PORT 0x043
39#define SBC7240_SET_TIMEOUT_PORT SBC7240_ENABLE_PORT
40#define SBC7240_MAGIC_CHAR 'V'
41
42#define SBC7240_TIMEOUT 30
43#define SBC7240_MAX_TIMEOUT 255
44static int timeout = SBC7240_TIMEOUT; /* in seconds */
45module_param(timeout, int, 0);
46MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. (1<=timeout<="
47 __MODULE_STRING(SBC7240_MAX_TIMEOUT) ", default="
48 __MODULE_STRING(SBC7240_TIMEOUT) ")");
49
50static int nowayout = WATCHDOG_NOWAYOUT;
51module_param(nowayout, int, 0);
52MODULE_PARM_DESC(nowayout, "Disable watchdog when closing device file");
53
54#define SBC7240_OPEN_STATUS_BIT 0
55#define SBC7240_ENABLED_STATUS_BIT 1
56#define SBC7240_EXPECT_CLOSE_STATUS_BIT 2
57static unsigned long wdt_status;
58
59/*
60 * Utility routines
61 */
62
63static void wdt_disable(void)
64{
65 /* disable the watchdog */
66 if (test_and_clear_bit(SBC7240_ENABLED_STATUS_BIT, &wdt_status)) {
67 inb_p(SBC7240_DISABLE_PORT);
68 printk(KERN_INFO SBC7240_PREFIX
69 "Watchdog timer is now disabled.\n");
70 }
71}
72
73static void wdt_enable(void)
74{
75 /* enable the watchdog */
76 if (!test_and_set_bit(SBC7240_ENABLED_STATUS_BIT, &wdt_status)) {
77 inb_p(SBC7240_ENABLE_PORT);
78 printk(KERN_INFO SBC7240_PREFIX
79 "Watchdog timer is now enabled.\n");
80 }
81}
82
83static int wdt_set_timeout(int t)
84{
85 if (t < 1 || t > SBC7240_MAX_TIMEOUT) {
86 printk(KERN_ERR SBC7240_PREFIX
87 "timeout value must be 1<=x<=%d\n",
88 SBC7240_MAX_TIMEOUT);
89 return -1;
90 }
91 /* set the timeout */
92 outb_p((unsigned)t, SBC7240_SET_TIMEOUT_PORT);
93 timeout = t;
94 printk(KERN_INFO SBC7240_PREFIX "timeout set to %d seconds\n", t);
95 return 0;
96}
97
98/* Whack the dog */
99static inline void wdt_keepalive(void)
100{
101 if (test_bit(SBC7240_ENABLED_STATUS_BIT, &wdt_status))
102 inb_p(SBC7240_ENABLE_PORT);
103}
104
105/*
106 * /dev/watchdog handling
107 */
108static ssize_t fop_write(struct file *file, const char __user *buf,
109 size_t count, loff_t *ppos)
110{
111 size_t i;
112 char c;
113
114 if (count) {
115 if (!nowayout) {
116 clear_bit(SBC7240_EXPECT_CLOSE_STATUS_BIT,
117 &wdt_status);
118
119 /* is there a magic char ? */
120 for (i = 0; i != count; i++) {
121 if (get_user(c, buf + i))
122 return -EFAULT;
123 if (c == SBC7240_MAGIC_CHAR) {
124 set_bit(SBC7240_EXPECT_CLOSE_STATUS_BIT,
125 &wdt_status);
126 break;
127 }
128 }
129 }
130
131 wdt_keepalive();
132 }
133
134 return count;
135}
136
137static int fop_open(struct inode *inode, struct file *file)
138{
139 if (test_and_set_bit(SBC7240_OPEN_STATUS_BIT, &wdt_status))
140 return -EBUSY;
141
142 wdt_enable();
143
144 return nonseekable_open(inode, file);
145}
146
147static int fop_close(struct inode *inode, struct file *file)
148{
149 if (test_and_clear_bit(SBC7240_EXPECT_CLOSE_STATUS_BIT, &wdt_status)
150 || !nowayout) {
151 wdt_disable();
152 } else {
153 printk(KERN_CRIT SBC7240_PREFIX
154 "Unexpected close, not stopping watchdog!\n");
155 wdt_keepalive();
156 }
157
158 clear_bit(SBC7240_OPEN_STATUS_BIT, &wdt_status);
159 return 0;
160}
161
162static struct watchdog_info ident = {
163 .options = WDIOF_KEEPALIVEPING|
164 WDIOF_SETTIMEOUT|
165 WDIOF_MAGICCLOSE,
166 .firmware_version = 1,
167 .identity = "SBC7240",
168};
169
170
171static int fop_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
172 unsigned long arg)
173{
174 switch (cmd) {
175 case WDIOC_GETSUPPORT:
176 return copy_to_user
177 ((void __user *)arg, &ident, sizeof(ident))
178 ? -EFAULT : 0;
179 case WDIOC_GETSTATUS:
180 case WDIOC_GETBOOTSTATUS:
181 return put_user(0, (int __user *)arg);
182 case WDIOC_KEEPALIVE:
183 wdt_keepalive();
184 return 0;
185 case WDIOC_SETOPTIONS:{
186 int options;
187 int retval = -EINVAL;
188
189 if (get_user(options, (int __user *)arg))
190 return -EFAULT;
191
192 if (options & WDIOS_DISABLECARD) {
193 wdt_disable();
194 retval = 0;
195 }
196
197 if (options & WDIOS_ENABLECARD) {
198 wdt_enable();
199 retval = 0;
200 }
201
202 return retval;
203 }
204 case WDIOC_SETTIMEOUT:{
205 int new_timeout;
206
207 if (get_user(new_timeout, (int __user *)arg))
208 return -EFAULT;
209
210 if (wdt_set_timeout(new_timeout))
211 return -EINVAL;
212
213 /* Fall through */
214 }
215 case WDIOC_GETTIMEOUT:
216 return put_user(timeout, (int __user *)arg);
217 default:
218 return -ENOTTY;
219 }
220}
221
222static const struct file_operations wdt_fops = {
223 .owner = THIS_MODULE,
224 .llseek = no_llseek,
225 .write = fop_write,
226 .open = fop_open,
227 .release = fop_close,
228 .ioctl = fop_ioctl,
229};
230
231static struct miscdevice wdt_miscdev = {
232 .minor = WATCHDOG_MINOR,
233 .name = "watchdog",
234 .fops = &wdt_fops,
235};
236
237/*
238 * Notifier for system down
239 */
240
241static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
242 void *unused)
243{
244 if (code == SYS_DOWN || code == SYS_HALT)
245 wdt_disable();
246 return NOTIFY_DONE;
247}
248
249static struct notifier_block wdt_notifier = {
250 .notifier_call = wdt_notify_sys,
251};
252
253static void __exit sbc7240_wdt_unload(void)
254{
255 printk(KERN_INFO SBC7240_PREFIX "Removing watchdog\n");
256 misc_deregister(&wdt_miscdev);
257
258 unregister_reboot_notifier(&wdt_notifier);
259 release_region(SBC7240_ENABLE_PORT, 1);
260}
261
262static int __init sbc7240_wdt_init(void)
263{
264 int rc = -EBUSY;
265
266 if (!request_region(SBC7240_ENABLE_PORT, 1, "SBC7240 WDT")) {
267 printk(KERN_ERR SBC7240_PREFIX
268 "I/O address 0x%04x already in use\n",
269 SBC7240_ENABLE_PORT);
270 rc = -EIO;
271 goto err_out;
272 }
273
274 /* The IO port 0x043 used to disable the watchdog
275 * is already claimed by the system timer, so we
276 * cant request_region() it ...*/
277
278 if (timeout < 1 || timeout > SBC7240_MAX_TIMEOUT) {
279 timeout = SBC7240_TIMEOUT;
280 printk(KERN_INFO SBC7240_PREFIX
281 "timeout value must be 1<=x<=%d, using %d\n",
282 SBC7240_MAX_TIMEOUT, timeout);
283 }
284 wdt_set_timeout(timeout);
285 wdt_disable();
286
287 rc = register_reboot_notifier(&wdt_notifier);
288 if (rc) {
289 printk(KERN_ERR SBC7240_PREFIX
290 "cannot register reboot notifier (err=%d)\n", rc);
291 goto err_out_region;
292 }
293
294 rc = misc_register(&wdt_miscdev);
295 if (rc) {
296 printk(KERN_ERR SBC7240_PREFIX
297 "cannot register miscdev on minor=%d (err=%d)\n",
298 wdt_miscdev.minor, rc);
299 goto err_out_reboot_notifier;
300 }
301
302 printk(KERN_INFO SBC7240_PREFIX
303 "Watchdog driver for SBC7240 initialised (nowayout=%d)\n",
304 nowayout);
305
306 return 0;
307
308err_out_reboot_notifier:
309 unregister_reboot_notifier(&wdt_notifier);
310err_out_region:
311 release_region(SBC7240_ENABLE_PORT, 1);
312err_out:
313 return rc;
314}
315
316module_init(sbc7240_wdt_init);
317module_exit(sbc7240_wdt_unload);
318
319MODULE_AUTHOR("Gilles Gigan");
320MODULE_DESCRIPTION("Watchdog device driver for single board"
321 " computers EPIC Nano 7240 from iEi");
322MODULE_LICENSE("GPL");
323MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
324
diff --git a/drivers/watchdog/w83697hf_wdt.c b/drivers/watchdog/w83697hf_wdt.c
index c622a0e6c9ae..6ea125eabeaa 100644
--- a/drivers/watchdog/w83697hf_wdt.c
+++ b/drivers/watchdog/w83697hf_wdt.c
@@ -382,8 +382,10 @@ wdt_init(void)
382 /* we will autodetect the W83697HF/HG watchdog */ 382 /* we will autodetect the W83697HF/HG watchdog */
383 for (i = 0; ((!found) && (w83697hf_ioports[i] != 0)); i++) { 383 for (i = 0; ((!found) && (w83697hf_ioports[i] != 0)); i++) {
384 wdt_io = w83697hf_ioports[i]; 384 wdt_io = w83697hf_ioports[i];
385 if (!w83697hf_check_wdt()) 385 if (!w83697hf_check_wdt()) {
386 found++; 386 found++;
387 break;
388 }
387 } 389 }
388 } else { 390 } else {
389 if (!w83697hf_check_wdt()) 391 if (!w83697hf_check_wdt())