aboutsummaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/char/efirtc.c1
-rw-r--r--drivers/char/vt.c2
-rw-r--r--drivers/isdn/Makefile2
-rw-r--r--drivers/isdn/hardware/mISDN/hfcmulti.c37
-rw-r--r--drivers/isdn/hardware/mISDN/hfcpci.c2
-rw-r--r--drivers/isdn/mISDN/l1oip_core.c6
-rw-r--r--drivers/isdn/mISDN/socket.c4
-rw-r--r--drivers/mtd/maps/ipaq-flash.c2
-rw-r--r--drivers/mtd/mtdsuper.c17
-rw-r--r--drivers/pcmcia/rsrc_nonstatic.c2
-rw-r--r--drivers/scsi/hptiop.c7
-rw-r--r--drivers/scsi/scsi_transport_spi.c8
-rw-r--r--drivers/scsi/sd.c21
-rw-r--r--drivers/scsi/sd.h6
-rw-r--r--drivers/scsi/ses.c18
-rw-r--r--drivers/serial/bfin_5xx.c2
-rw-r--r--drivers/serial/crisv10.c79
-rw-r--r--drivers/serial/crisv10.h3
-rw-r--r--drivers/spi/atmel_spi.c17
-rw-r--r--drivers/spi/spi_s3c24xx.c25
-rw-r--r--drivers/video/console/.gitignore2
-rw-r--r--drivers/watchdog/ar7_wdt.c29
-rw-r--r--drivers/watchdog/it8712f_wdt.c77
-rw-r--r--drivers/watchdog/s3c2410_wdt.c148
-rw-r--r--drivers/watchdog/sc1200wdt.c205
-rw-r--r--drivers/watchdog/wdt.c176
-rw-r--r--drivers/watchdog/wdt_pci.c301
27 files changed, 645 insertions, 554 deletions
diff --git a/drivers/char/efirtc.c b/drivers/char/efirtc.c
index 67fbd7aab5d..34d15d54823 100644
--- a/drivers/char/efirtc.c
+++ b/drivers/char/efirtc.c
@@ -37,7 +37,6 @@
37#include <linux/rtc.h> 37#include <linux/rtc.h>
38#include <linux/proc_fs.h> 38#include <linux/proc_fs.h>
39#include <linux/efi.h> 39#include <linux/efi.h>
40#include <linux/smp_lock.h>
41#include <linux/uaccess.h> 40#include <linux/uaccess.h>
42 41
43#include <asm/system.h> 42#include <asm/system.h>
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 82a51f38a54..1bc00c9d860 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -916,7 +916,6 @@ int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines)
916 ws.ws_col = vc->vc_cols; 916 ws.ws_col = vc->vc_cols;
917 ws.ws_ypixel = vc->vc_scan_lines; 917 ws.ws_ypixel = vc->vc_scan_lines;
918 918
919 mutex_lock(&vc->vc_tty->termios_mutex);
920 spin_lock_irq(&vc->vc_tty->ctrl_lock); 919 spin_lock_irq(&vc->vc_tty->ctrl_lock);
921 if ((ws.ws_row != cws->ws_row || ws.ws_col != cws->ws_col)) 920 if ((ws.ws_row != cws->ws_row || ws.ws_col != cws->ws_col))
922 pgrp = get_pid(vc->vc_tty->pgrp); 921 pgrp = get_pid(vc->vc_tty->pgrp);
@@ -926,7 +925,6 @@ int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines)
926 put_pid(pgrp); 925 put_pid(pgrp);
927 } 926 }
928 *cws = ws; 927 *cws = ws;
929 mutex_unlock(&vc->vc_tty->termios_mutex);
930 } 928 }
931 929
932 if (CON_IS_VISIBLE(vc)) 930 if (CON_IS_VISIBLE(vc))
diff --git a/drivers/isdn/Makefile b/drivers/isdn/Makefile
index 8380a4568d1..f1f777570e8 100644
--- a/drivers/isdn/Makefile
+++ b/drivers/isdn/Makefile
@@ -5,7 +5,7 @@
5obj-$(CONFIG_ISDN_I4L) += i4l/ 5obj-$(CONFIG_ISDN_I4L) += i4l/
6obj-$(CONFIG_ISDN_CAPI) += capi/ 6obj-$(CONFIG_ISDN_CAPI) += capi/
7obj-$(CONFIG_MISDN) += mISDN/ 7obj-$(CONFIG_MISDN) += mISDN/
8obj-$(CONFIG_ISDN_CAPI) += hardware/ 8obj-$(CONFIG_ISDN) += hardware/
9obj-$(CONFIG_ISDN_DIVERSION) += divert/ 9obj-$(CONFIG_ISDN_DIVERSION) += divert/
10obj-$(CONFIG_ISDN_DRV_HISAX) += hisax/ 10obj-$(CONFIG_ISDN_DRV_HISAX) += hisax/
11obj-$(CONFIG_ISDN_DRV_ICN) += icn/ 11obj-$(CONFIG_ISDN_DRV_ICN) += icn/
diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c
index 2649ea55a9e..1eac03f39d0 100644
--- a/drivers/isdn/hardware/mISDN/hfcmulti.c
+++ b/drivers/isdn/hardware/mISDN/hfcmulti.c
@@ -140,7 +140,7 @@
140 * #define HFC_REGISTER_DEBUG 140 * #define HFC_REGISTER_DEBUG
141 */ 141 */
142 142
143static const char *hfcmulti_revision = "2.00"; 143static const char *hfcmulti_revision = "2.02";
144 144
145#include <linux/module.h> 145#include <linux/module.h>
146#include <linux/pci.h> 146#include <linux/pci.h>
@@ -427,12 +427,12 @@ write_fifo_regio(struct hfc_multi *hc, u_char *data, int len)
427{ 427{
428 outb(A_FIFO_DATA0, (hc->pci_iobase)+4); 428 outb(A_FIFO_DATA0, (hc->pci_iobase)+4);
429 while (len>>2) { 429 while (len>>2) {
430 outl(*(u32 *)data, hc->pci_iobase); 430 outl(cpu_to_le32(*(u32 *)data), hc->pci_iobase);
431 data += 4; 431 data += 4;
432 len -= 4; 432 len -= 4;
433 } 433 }
434 while (len>>1) { 434 while (len>>1) {
435 outw(*(u16 *)data, hc->pci_iobase); 435 outw(cpu_to_le16(*(u16 *)data), hc->pci_iobase);
436 data += 2; 436 data += 2;
437 len -= 2; 437 len -= 2;
438 } 438 }
@@ -447,17 +447,19 @@ void
447write_fifo_pcimem(struct hfc_multi *hc, u_char *data, int len) 447write_fifo_pcimem(struct hfc_multi *hc, u_char *data, int len)
448{ 448{
449 while (len>>2) { 449 while (len>>2) {
450 writel(*(u32 *)data, (hc->pci_membase)+A_FIFO_DATA0); 450 writel(cpu_to_le32(*(u32 *)data),
451 hc->pci_membase + A_FIFO_DATA0);
451 data += 4; 452 data += 4;
452 len -= 4; 453 len -= 4;
453 } 454 }
454 while (len>>1) { 455 while (len>>1) {
455 writew(*(u16 *)data, (hc->pci_membase)+A_FIFO_DATA0); 456 writew(cpu_to_le16(*(u16 *)data),
457 hc->pci_membase + A_FIFO_DATA0);
456 data += 2; 458 data += 2;
457 len -= 2; 459 len -= 2;
458 } 460 }
459 while (len) { 461 while (len) {
460 writeb(*data, (hc->pci_membase)+A_FIFO_DATA0); 462 writeb(*data, hc->pci_membase + A_FIFO_DATA0);
461 data++; 463 data++;
462 len--; 464 len--;
463 } 465 }
@@ -468,12 +470,12 @@ read_fifo_regio(struct hfc_multi *hc, u_char *data, int len)
468{ 470{
469 outb(A_FIFO_DATA0, (hc->pci_iobase)+4); 471 outb(A_FIFO_DATA0, (hc->pci_iobase)+4);
470 while (len>>2) { 472 while (len>>2) {
471 *(u32 *)data = inl(hc->pci_iobase); 473 *(u32 *)data = le32_to_cpu(inl(hc->pci_iobase));
472 data += 4; 474 data += 4;
473 len -= 4; 475 len -= 4;
474 } 476 }
475 while (len>>1) { 477 while (len>>1) {
476 *(u16 *)data = inw(hc->pci_iobase); 478 *(u16 *)data = le16_to_cpu(inw(hc->pci_iobase));
477 data += 2; 479 data += 2;
478 len -= 2; 480 len -= 2;
479 } 481 }
@@ -490,18 +492,18 @@ read_fifo_pcimem(struct hfc_multi *hc, u_char *data, int len)
490{ 492{
491 while (len>>2) { 493 while (len>>2) {
492 *(u32 *)data = 494 *(u32 *)data =
493 readl((hc->pci_membase)+A_FIFO_DATA0); 495 le32_to_cpu(readl(hc->pci_membase + A_FIFO_DATA0));
494 data += 4; 496 data += 4;
495 len -= 4; 497 len -= 4;
496 } 498 }
497 while (len>>1) { 499 while (len>>1) {
498 *(u16 *)data = 500 *(u16 *)data =
499 readw((hc->pci_membase)+A_FIFO_DATA0); 501 le16_to_cpu(readw(hc->pci_membase + A_FIFO_DATA0));
500 data += 2; 502 data += 2;
501 len -= 2; 503 len -= 2;
502 } 504 }
503 while (len) { 505 while (len) {
504 *data = readb((hc->pci_membase)+A_FIFO_DATA0); 506 *data = readb(hc->pci_membase + A_FIFO_DATA0);
505 data++; 507 data++;
506 len--; 508 len--;
507 } 509 }
@@ -3971,7 +3973,7 @@ open_bchannel(struct hfc_multi *hc, struct dchannel *dch,
3971 struct bchannel *bch; 3973 struct bchannel *bch;
3972 int ch; 3974 int ch;
3973 3975
3974 if (!test_bit(rq->adr.channel, &dch->dev.channelmap[0])) 3976 if (!test_channelmap(rq->adr.channel, dch->dev.channelmap))
3975 return -EINVAL; 3977 return -EINVAL;
3976 if (rq->protocol == ISDN_P_NONE) 3978 if (rq->protocol == ISDN_P_NONE)
3977 return -EINVAL; 3979 return -EINVAL;
@@ -4587,7 +4589,7 @@ init_e1_port(struct hfc_multi *hc, struct hm_map *m)
4587 list_add(&bch->ch.list, &dch->dev.bchannels); 4589 list_add(&bch->ch.list, &dch->dev.bchannels);
4588 hc->chan[ch].bch = bch; 4590 hc->chan[ch].bch = bch;
4589 hc->chan[ch].port = 0; 4591 hc->chan[ch].port = 0;
4590 test_and_set_bit(bch->nr, &dch->dev.channelmap[0]); 4592 set_channelmap(bch->nr, dch->dev.channelmap);
4591 } 4593 }
4592 /* set optical line type */ 4594 /* set optical line type */
4593 if (port[Port_cnt] & 0x001) { 4595 if (port[Port_cnt] & 0x001) {
@@ -4755,7 +4757,7 @@ init_multi_port(struct hfc_multi *hc, int pt)
4755 list_add(&bch->ch.list, &dch->dev.bchannels); 4757 list_add(&bch->ch.list, &dch->dev.bchannels);
4756 hc->chan[i + ch].bch = bch; 4758 hc->chan[i + ch].bch = bch;
4757 hc->chan[i + ch].port = pt; 4759 hc->chan[i + ch].port = pt;
4758 test_and_set_bit(bch->nr, &dch->dev.channelmap[0]); 4760 set_channelmap(bch->nr, dch->dev.channelmap);
4759 } 4761 }
4760 /* set master clock */ 4762 /* set master clock */
4761 if (port[Port_cnt] & 0x001) { 4763 if (port[Port_cnt] & 0x001) {
@@ -5050,12 +5052,12 @@ static void __devexit hfc_remove_pci(struct pci_dev *pdev)
5050 5052
5051static const struct hm_map hfcm_map[] = { 5053static const struct hm_map hfcm_map[] = {
5052/*0*/ {VENDOR_BN, "HFC-1S Card (mini PCI)", 4, 1, 1, 3, 0, DIP_4S, 0}, 5054/*0*/ {VENDOR_BN, "HFC-1S Card (mini PCI)", 4, 1, 1, 3, 0, DIP_4S, 0},
5053/*1*/ {VENDOR_BN, "HFC-2S Card", 4, 2, 1, 3, 0, DIP_4S}, 5055/*1*/ {VENDOR_BN, "HFC-2S Card", 4, 2, 1, 3, 0, DIP_4S, 0},
5054/*2*/ {VENDOR_BN, "HFC-2S Card (mini PCI)", 4, 2, 1, 3, 0, DIP_4S, 0}, 5056/*2*/ {VENDOR_BN, "HFC-2S Card (mini PCI)", 4, 2, 1, 3, 0, DIP_4S, 0},
5055/*3*/ {VENDOR_BN, "HFC-4S Card", 4, 4, 1, 2, 0, DIP_4S, 0}, 5057/*3*/ {VENDOR_BN, "HFC-4S Card", 4, 4, 1, 2, 0, DIP_4S, 0},
5056/*4*/ {VENDOR_BN, "HFC-4S Card (mini PCI)", 4, 4, 1, 2, 0, 0, 0}, 5058/*4*/ {VENDOR_BN, "HFC-4S Card (mini PCI)", 4, 4, 1, 2, 0, 0, 0},
5057/*5*/ {VENDOR_CCD, "HFC-4S Eval (old)", 4, 4, 0, 0, 0, 0, 0}, 5059/*5*/ {VENDOR_CCD, "HFC-4S Eval (old)", 4, 4, 0, 0, 0, 0, 0},
5058/*6*/ {VENDOR_CCD, "HFC-4S IOB4ST", 4, 4, 1, 2, 0, 0, 0}, 5060/*6*/ {VENDOR_CCD, "HFC-4S IOB4ST", 4, 4, 1, 2, 0, DIP_4S, 0},
5059/*7*/ {VENDOR_CCD, "HFC-4S", 4, 4, 1, 2, 0, 0, 0}, 5061/*7*/ {VENDOR_CCD, "HFC-4S", 4, 4, 1, 2, 0, 0, 0},
5060/*8*/ {VENDOR_DIG, "HFC-4S Card", 4, 4, 0, 2, 0, 0, HFC_IO_MODE_REGIO}, 5062/*8*/ {VENDOR_DIG, "HFC-4S Card", 4, 4, 0, 2, 0, 0, HFC_IO_MODE_REGIO},
5061/*9*/ {VENDOR_CCD, "HFC-4S Swyx 4xS0 SX2 QuadBri", 4, 4, 1, 2, 0, 0, 0}, 5063/*9*/ {VENDOR_CCD, "HFC-4S Swyx 4xS0 SX2 QuadBri", 4, 4, 1, 2, 0, 0, 0},
@@ -5251,9 +5253,6 @@ HFCmulti_init(void)
5251 if (debug & DEBUG_HFCMULTI_INIT) 5253 if (debug & DEBUG_HFCMULTI_INIT)
5252 printk(KERN_DEBUG "%s: init entered\n", __func__); 5254 printk(KERN_DEBUG "%s: init entered\n", __func__);
5253 5255
5254#ifdef __BIG_ENDIAN
5255#error "not running on big endian machines now"
5256#endif
5257 hfc_interrupt = symbol_get(ztdummy_extern_interrupt); 5256 hfc_interrupt = symbol_get(ztdummy_extern_interrupt);
5258 register_interrupt = symbol_get(ztdummy_register_interrupt); 5257 register_interrupt = symbol_get(ztdummy_register_interrupt);
5259 unregister_interrupt = symbol_get(ztdummy_unregister_interrupt); 5258 unregister_interrupt = symbol_get(ztdummy_unregister_interrupt);
diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c
index 3231814e7ef..9cf5edbb1a9 100644
--- a/drivers/isdn/hardware/mISDN/hfcpci.c
+++ b/drivers/isdn/hardware/mISDN/hfcpci.c
@@ -2056,7 +2056,7 @@ setup_card(struct hfc_pci *card)
2056 card->dch.dev.nrbchan = 2; 2056 card->dch.dev.nrbchan = 2;
2057 for (i = 0; i < 2; i++) { 2057 for (i = 0; i < 2; i++) {
2058 card->bch[i].nr = i + 1; 2058 card->bch[i].nr = i + 1;
2059 test_and_set_bit(i + 1, &card->dch.dev.channelmap[0]); 2059 set_channelmap(i + 1, card->dch.dev.channelmap);
2060 card->bch[i].debug = debug; 2060 card->bch[i].debug = debug;
2061 mISDN_initbchannel(&card->bch[i], MAX_DATA_MEM); 2061 mISDN_initbchannel(&card->bch[i], MAX_DATA_MEM);
2062 card->bch[i].hw = card; 2062 card->bch[i].hw = card;
diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c
index 155b99780c4..e42150a5778 100644
--- a/drivers/isdn/mISDN/l1oip_core.c
+++ b/drivers/isdn/mISDN/l1oip_core.c
@@ -1006,8 +1006,7 @@ open_bchannel(struct l1oip *hc, struct dchannel *dch, struct channel_req *rq)
1006 struct bchannel *bch; 1006 struct bchannel *bch;
1007 int ch; 1007 int ch;
1008 1008
1009 if (!test_bit(rq->adr.channel & 0x1f, 1009 if (!test_channelmap(rq->adr.channel, dch->dev.channelmap))
1010 &dch->dev.channelmap[rq->adr.channel >> 5]))
1011 return -EINVAL; 1010 return -EINVAL;
1012 if (rq->protocol == ISDN_P_NONE) 1011 if (rq->protocol == ISDN_P_NONE)
1013 return -EINVAL; 1012 return -EINVAL;
@@ -1412,8 +1411,7 @@ init_card(struct l1oip *hc, int pri, int bundle)
1412 bch->ch.nr = i + ch; 1411 bch->ch.nr = i + ch;
1413 list_add(&bch->ch.list, &dch->dev.bchannels); 1412 list_add(&bch->ch.list, &dch->dev.bchannels);
1414 hc->chan[i + ch].bch = bch; 1413 hc->chan[i + ch].bch = bch;
1415 test_and_set_bit(bch->nr & 0x1f, 1414 set_channelmap(bch->nr, dch->dev.channelmap);
1416 &dch->dev.channelmap[bch->nr >> 5]);
1417 } 1415 }
1418 ret = mISDN_register_device(&dch->dev, hc->name); 1416 ret = mISDN_register_device(&dch->dev, hc->name);
1419 if (ret) 1417 if (ret)
diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index 4ba4cc364c9..e5a20f9542d 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -379,7 +379,7 @@ data_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
379 di.Bprotocols = dev->Bprotocols | get_all_Bprotocols(); 379 di.Bprotocols = dev->Bprotocols | get_all_Bprotocols();
380 di.protocol = dev->D.protocol; 380 di.protocol = dev->D.protocol;
381 memcpy(di.channelmap, dev->channelmap, 381 memcpy(di.channelmap, dev->channelmap,
382 MISDN_CHMAP_SIZE * 4); 382 sizeof(di.channelmap));
383 di.nrbchan = dev->nrbchan; 383 di.nrbchan = dev->nrbchan;
384 strcpy(di.name, dev->name); 384 strcpy(di.name, dev->name);
385 if (copy_to_user((void __user *)arg, &di, sizeof(di))) 385 if (copy_to_user((void __user *)arg, &di, sizeof(di)))
@@ -637,7 +637,7 @@ base_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
637 di.Bprotocols = dev->Bprotocols | get_all_Bprotocols(); 637 di.Bprotocols = dev->Bprotocols | get_all_Bprotocols();
638 di.protocol = dev->D.protocol; 638 di.protocol = dev->D.protocol;
639 memcpy(di.channelmap, dev->channelmap, 639 memcpy(di.channelmap, dev->channelmap,
640 MISDN_CHMAP_SIZE * 4); 640 sizeof(di.channelmap));
641 di.nrbchan = dev->nrbchan; 641 di.nrbchan = dev->nrbchan;
642 strcpy(di.name, dev->name); 642 strcpy(di.name, dev->name);
643 if (copy_to_user((void __user *)arg, &di, sizeof(di))) 643 if (copy_to_user((void __user *)arg, &di, sizeof(di)))
diff --git a/drivers/mtd/maps/ipaq-flash.c b/drivers/mtd/maps/ipaq-flash.c
index a806119797e..113b1062020 100644
--- a/drivers/mtd/maps/ipaq-flash.c
+++ b/drivers/mtd/maps/ipaq-flash.c
@@ -25,7 +25,7 @@
25#endif 25#endif
26 26
27#include <asm/hardware.h> 27#include <asm/hardware.h>
28#include <asm/arch-sa1100/h3600.h> 28#include <asm/arch/h3600.h>
29#include <asm/io.h> 29#include <asm/io.h>
30 30
31 31
diff --git a/drivers/mtd/mtdsuper.c b/drivers/mtd/mtdsuper.c
index 9b6af7e74a6..00d46e137b2 100644
--- a/drivers/mtd/mtdsuper.c
+++ b/drivers/mtd/mtdsuper.c
@@ -125,8 +125,11 @@ int get_sb_mtd(struct file_system_type *fs_type, int flags,
125 int (*fill_super)(struct super_block *, void *, int), 125 int (*fill_super)(struct super_block *, void *, int),
126 struct vfsmount *mnt) 126 struct vfsmount *mnt)
127{ 127{
128#ifdef CONFIG_BLOCK
128 struct block_device *bdev; 129 struct block_device *bdev;
129 int mtdnr, ret; 130 int ret, major;
131#endif
132 int mtdnr;
130 133
131 if (!dev_name) 134 if (!dev_name)
132 return -EINVAL; 135 return -EINVAL;
@@ -178,6 +181,7 @@ int get_sb_mtd(struct file_system_type *fs_type, int flags,
178 } 181 }
179 } 182 }
180 183
184#ifdef CONFIG_BLOCK
181 /* try the old way - the hack where we allowed users to mount 185 /* try the old way - the hack where we allowed users to mount
182 * /dev/mtdblock$(n) but didn't actually _use_ the blockdev 186 * /dev/mtdblock$(n) but didn't actually _use_ the blockdev
183 */ 187 */
@@ -190,22 +194,25 @@ int get_sb_mtd(struct file_system_type *fs_type, int flags,
190 DEBUG(1, "MTDSB: lookup_bdev() returned 0\n"); 194 DEBUG(1, "MTDSB: lookup_bdev() returned 0\n");
191 195
192 ret = -EINVAL; 196 ret = -EINVAL;
193 if (MAJOR(bdev->bd_dev) != MTD_BLOCK_MAJOR)
194 goto not_an_MTD_device;
195 197
198 major = MAJOR(bdev->bd_dev);
196 mtdnr = MINOR(bdev->bd_dev); 199 mtdnr = MINOR(bdev->bd_dev);
197 bdput(bdev); 200 bdput(bdev);
198 201
202 if (major != MTD_BLOCK_MAJOR)
203 goto not_an_MTD_device;
204
199 return get_sb_mtd_nr(fs_type, flags, dev_name, data, mtdnr, fill_super, 205 return get_sb_mtd_nr(fs_type, flags, dev_name, data, mtdnr, fill_super,
200 mnt); 206 mnt);
201 207
202not_an_MTD_device: 208not_an_MTD_device:
209#endif /* CONFIG_BLOCK */
210
203 if (!(flags & MS_SILENT)) 211 if (!(flags & MS_SILENT))
204 printk(KERN_NOTICE 212 printk(KERN_NOTICE
205 "MTD: Attempt to mount non-MTD device \"%s\"\n", 213 "MTD: Attempt to mount non-MTD device \"%s\"\n",
206 dev_name); 214 dev_name);
207 bdput(bdev); 215 return -EINVAL;
208 return ret;
209} 216}
210 217
211EXPORT_SYMBOL_GPL(get_sb_mtd); 218EXPORT_SYMBOL_GPL(get_sb_mtd);
diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c
index d0c1d63d189..203e579ebbd 100644
--- a/drivers/pcmcia/rsrc_nonstatic.c
+++ b/drivers/pcmcia/rsrc_nonstatic.c
@@ -275,7 +275,7 @@ static int readable(struct pcmcia_socket *s, struct resource *res,
275 destroy_cis_cache(s); 275 destroy_cis_cache(s);
276 } 276 }
277 s->cis_mem.res = NULL; 277 s->cis_mem.res = NULL;
278 if ((ret != 0) || (count == 0)) 278 if ((ret != 0) || (*count == 0))
279 return 0; 279 return 0;
280 return 1; 280 return 1;
281} 281}
diff --git a/drivers/scsi/hptiop.c b/drivers/scsi/hptiop.c
index da876d3924b..74d12b58a26 100644
--- a/drivers/scsi/hptiop.c
+++ b/drivers/scsi/hptiop.c
@@ -1249,6 +1249,13 @@ static struct pci_device_id hptiop_id_table[] = {
1249 { PCI_VDEVICE(TTI, 0x3522), (kernel_ulong_t)&hptiop_itl_ops }, 1249 { PCI_VDEVICE(TTI, 0x3522), (kernel_ulong_t)&hptiop_itl_ops },
1250 { PCI_VDEVICE(TTI, 0x3410), (kernel_ulong_t)&hptiop_itl_ops }, 1250 { PCI_VDEVICE(TTI, 0x3410), (kernel_ulong_t)&hptiop_itl_ops },
1251 { PCI_VDEVICE(TTI, 0x3540), (kernel_ulong_t)&hptiop_itl_ops }, 1251 { PCI_VDEVICE(TTI, 0x3540), (kernel_ulong_t)&hptiop_itl_ops },
1252 { PCI_VDEVICE(TTI, 0x3530), (kernel_ulong_t)&hptiop_itl_ops },
1253 { PCI_VDEVICE(TTI, 0x3560), (kernel_ulong_t)&hptiop_itl_ops },
1254 { PCI_VDEVICE(TTI, 0x4322), (kernel_ulong_t)&hptiop_itl_ops },
1255 { PCI_VDEVICE(TTI, 0x4210), (kernel_ulong_t)&hptiop_itl_ops },
1256 { PCI_VDEVICE(TTI, 0x4211), (kernel_ulong_t)&hptiop_itl_ops },
1257 { PCI_VDEVICE(TTI, 0x4310), (kernel_ulong_t)&hptiop_itl_ops },
1258 { PCI_VDEVICE(TTI, 0x4311), (kernel_ulong_t)&hptiop_itl_ops },
1252 { PCI_VDEVICE(TTI, 0x3120), (kernel_ulong_t)&hptiop_mv_ops }, 1259 { PCI_VDEVICE(TTI, 0x3120), (kernel_ulong_t)&hptiop_mv_ops },
1253 { PCI_VDEVICE(TTI, 0x3122), (kernel_ulong_t)&hptiop_mv_ops }, 1260 { PCI_VDEVICE(TTI, 0x3122), (kernel_ulong_t)&hptiop_mv_ops },
1254 { PCI_VDEVICE(TTI, 0x3020), (kernel_ulong_t)&hptiop_mv_ops }, 1261 { PCI_VDEVICE(TTI, 0x3020), (kernel_ulong_t)&hptiop_mv_ops },
diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c
index 75a64a6cae8..b29360ed0bd 100644
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -366,12 +366,14 @@ spi_transport_rd_attr(rti, "%d\n");
366spi_transport_rd_attr(pcomp_en, "%d\n"); 366spi_transport_rd_attr(pcomp_en, "%d\n");
367spi_transport_rd_attr(hold_mcs, "%d\n"); 367spi_transport_rd_attr(hold_mcs, "%d\n");
368 368
369/* we only care about the first child device so we return 1 */ 369/* we only care about the first child device that's a real SCSI device
370 * so we return 1 to terminate the iteration when we find it */
370static int child_iter(struct device *dev, void *data) 371static int child_iter(struct device *dev, void *data)
371{ 372{
372 struct scsi_device *sdev = to_scsi_device(dev); 373 if (!scsi_is_sdev_device(dev))
374 return 0;
373 375
374 spi_dv_device(sdev); 376 spi_dv_device(to_scsi_device(dev));
375 return 1; 377 return 1;
376} 378}
377 379
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index e5e7d785645..8e08d51a0f0 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -375,7 +375,6 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq)
375 struct gendisk *disk = rq->rq_disk; 375 struct gendisk *disk = rq->rq_disk;
376 struct scsi_disk *sdkp; 376 struct scsi_disk *sdkp;
377 sector_t block = rq->sector; 377 sector_t block = rq->sector;
378 sector_t threshold;
379 unsigned int this_count = rq->nr_sectors; 378 unsigned int this_count = rq->nr_sectors;
380 unsigned int timeout = sdp->timeout; 379 unsigned int timeout = sdp->timeout;
381 int ret; 380 int ret;
@@ -423,21 +422,13 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq)
423 } 422 }
424 423
425 /* 424 /*
426 * Some SD card readers can't handle multi-sector accesses which touch 425 * Some devices (some sdcards for one) don't like it if the
427 * the last one or two hardware sectors. Split accesses as needed. 426 * last sector gets read in a larger then 1 sector read.
428 */ 427 */
429 threshold = get_capacity(disk) - SD_LAST_BUGGY_SECTORS * 428 if (unlikely(sdp->last_sector_bug &&
430 (sdp->sector_size / 512); 429 rq->nr_sectors > sdp->sector_size / 512 &&
431 430 block + this_count == get_capacity(disk)))
432 if (unlikely(sdp->last_sector_bug && block + this_count > threshold)) { 431 this_count -= sdp->sector_size / 512;
433 if (block < threshold) {
434 /* Access up to the threshold but not beyond */
435 this_count = threshold - block;
436 } else {
437 /* Access only a single hardware sector */
438 this_count = sdp->sector_size / 512;
439 }
440 }
441 432
442 SCSI_LOG_HLQUEUE(2, scmd_printk(KERN_INFO, SCpnt, "block=%llu\n", 433 SCSI_LOG_HLQUEUE(2, scmd_printk(KERN_INFO, SCpnt, "block=%llu\n",
443 (unsigned long long)block)); 434 (unsigned long long)block));
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 95b9f06534d..550b2f70a1f 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -31,12 +31,6 @@
31 */ 31 */
32#define SD_BUF_SIZE 512 32#define SD_BUF_SIZE 512
33 33
34/*
35 * Number of sectors at the end of the device to avoid multi-sector
36 * accesses to in the case of last_sector_bug
37 */
38#define SD_LAST_BUGGY_SECTORS 8
39
40struct scsi_disk { 34struct scsi_disk {
41 struct scsi_driver *driver; /* always &sd_template */ 35 struct scsi_driver *driver; /* always &sd_template */
42 struct scsi_device *device; 36 struct scsi_device *device;
diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index 0fe031f003e..1bcf3c33d7f 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -345,14 +345,14 @@ static int ses_enclosure_find_by_addr(struct enclosure_device *edev,
345 return 0; 345 return 0;
346} 346}
347 347
348#define VPD_INQUIRY_SIZE 512 348#define VPD_INQUIRY_SIZE 36
349 349
350static void ses_match_to_enclosure(struct enclosure_device *edev, 350static void ses_match_to_enclosure(struct enclosure_device *edev,
351 struct scsi_device *sdev) 351 struct scsi_device *sdev)
352{ 352{
353 unsigned char *buf = kmalloc(VPD_INQUIRY_SIZE, GFP_KERNEL); 353 unsigned char *buf = kmalloc(VPD_INQUIRY_SIZE, GFP_KERNEL);
354 unsigned char *desc; 354 unsigned char *desc;
355 int len; 355 u16 vpd_len;
356 struct efd efd = { 356 struct efd efd = {
357 .addr = 0, 357 .addr = 0,
358 }; 358 };
@@ -372,9 +372,19 @@ static void ses_match_to_enclosure(struct enclosure_device *edev,
372 VPD_INQUIRY_SIZE, NULL, SES_TIMEOUT, SES_RETRIES)) 372 VPD_INQUIRY_SIZE, NULL, SES_TIMEOUT, SES_RETRIES))
373 goto free; 373 goto free;
374 374
375 len = (buf[2] << 8) + buf[3]; 375 vpd_len = (buf[2] << 8) + buf[3];
376 kfree(buf);
377 buf = kmalloc(vpd_len, GFP_KERNEL);
378 if (!buf)
379 return;
380 cmd[3] = vpd_len >> 8;
381 cmd[4] = vpd_len & 0xff;
382 if (scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf,
383 vpd_len, NULL, SES_TIMEOUT, SES_RETRIES))
384 goto free;
385
376 desc = buf + 4; 386 desc = buf + 4;
377 while (desc < buf + len) { 387 while (desc < buf + vpd_len) {
378 enum scsi_protocol proto = desc[0] >> 4; 388 enum scsi_protocol proto = desc[0] >> 4;
379 u8 code_set = desc[0] & 0x0f; 389 u8 code_set = desc[0] & 0x0f;
380 u8 piv = desc[1] & 0x80; 390 u8 piv = desc[1] & 0x80;
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 9d8543762a3..efcd44344fb 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -817,7 +817,7 @@ static void bfin_serial_set_ldisc(struct uart_port *port)
817 if (line >= port->info->port.tty->driver->num) 817 if (line >= port->info->port.tty->driver->num)
818 return; 818 return;
819 819
820 switch (port->info->port.tty->ldisc.num) { 820 switch (port->info->port.tty->termios->c_line) {
821 case N_IRDA: 821 case N_IRDA:
822 val = UART_GET_GCTL(&bfin_serial_ports[line]); 822 val = UART_GET_GCTL(&bfin_serial_ports[line]);
823 val |= (IREN | RPOLC); 823 val |= (IREN | RPOLC);
diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c
index 8249ac49055..bf94a770bb4 100644
--- a/drivers/serial/crisv10.c
+++ b/drivers/serial/crisv10.c
@@ -234,7 +234,7 @@ unsigned long r_alt_ser_baudrate_shadow = 0;
234 234
235static struct e100_serial rs_table[] = { 235static struct e100_serial rs_table[] = {
236 { .baud = DEF_BAUD, 236 { .baud = DEF_BAUD,
237 .port = (unsigned char *)R_SERIAL0_CTRL, 237 .ioport = (unsigned char *)R_SERIAL0_CTRL,
238 .irq = 1U << 12, /* uses DMA 6 and 7 */ 238 .irq = 1U << 12, /* uses DMA 6 and 7 */
239 .oclrintradr = R_DMA_CH6_CLR_INTR, 239 .oclrintradr = R_DMA_CH6_CLR_INTR,
240 .ofirstadr = R_DMA_CH6_FIRST, 240 .ofirstadr = R_DMA_CH6_FIRST,
@@ -288,7 +288,7 @@ static struct e100_serial rs_table[] = {
288}, /* ttyS0 */ 288}, /* ttyS0 */
289#ifndef CONFIG_SVINTO_SIM 289#ifndef CONFIG_SVINTO_SIM
290 { .baud = DEF_BAUD, 290 { .baud = DEF_BAUD,
291 .port = (unsigned char *)R_SERIAL1_CTRL, 291 .ioport = (unsigned char *)R_SERIAL1_CTRL,
292 .irq = 1U << 16, /* uses DMA 8 and 9 */ 292 .irq = 1U << 16, /* uses DMA 8 and 9 */
293 .oclrintradr = R_DMA_CH8_CLR_INTR, 293 .oclrintradr = R_DMA_CH8_CLR_INTR,
294 .ofirstadr = R_DMA_CH8_FIRST, 294 .ofirstadr = R_DMA_CH8_FIRST,
@@ -344,7 +344,7 @@ static struct e100_serial rs_table[] = {
344}, /* ttyS1 */ 344}, /* ttyS1 */
345 345
346 { .baud = DEF_BAUD, 346 { .baud = DEF_BAUD,
347 .port = (unsigned char *)R_SERIAL2_CTRL, 347 .ioport = (unsigned char *)R_SERIAL2_CTRL,
348 .irq = 1U << 4, /* uses DMA 2 and 3 */ 348 .irq = 1U << 4, /* uses DMA 2 and 3 */
349 .oclrintradr = R_DMA_CH2_CLR_INTR, 349 .oclrintradr = R_DMA_CH2_CLR_INTR,
350 .ofirstadr = R_DMA_CH2_FIRST, 350 .ofirstadr = R_DMA_CH2_FIRST,
@@ -398,7 +398,7 @@ static struct e100_serial rs_table[] = {
398 }, /* ttyS2 */ 398 }, /* ttyS2 */
399 399
400 { .baud = DEF_BAUD, 400 { .baud = DEF_BAUD,
401 .port = (unsigned char *)R_SERIAL3_CTRL, 401 .ioport = (unsigned char *)R_SERIAL3_CTRL,
402 .irq = 1U << 8, /* uses DMA 4 and 5 */ 402 .irq = 1U << 8, /* uses DMA 4 and 5 */
403 .oclrintradr = R_DMA_CH4_CLR_INTR, 403 .oclrintradr = R_DMA_CH4_CLR_INTR,
404 .ofirstadr = R_DMA_CH4_FIRST, 404 .ofirstadr = R_DMA_CH4_FIRST,
@@ -939,7 +939,7 @@ static const struct control_pins e100_modem_pins[NR_PORTS] =
939/* Output */ 939/* Output */
940#define E100_RTS_GET(info) ((info)->rx_ctrl & E100_RTS_MASK) 940#define E100_RTS_GET(info) ((info)->rx_ctrl & E100_RTS_MASK)
941/* Input */ 941/* Input */
942#define E100_CTS_GET(info) ((info)->port[REG_STATUS] & E100_CTS_MASK) 942#define E100_CTS_GET(info) ((info)->ioport[REG_STATUS] & E100_CTS_MASK)
943 943
944/* These are typically PA or PB and 0 means 0V, 1 means 3.3V */ 944/* These are typically PA or PB and 0 means 0V, 1 means 3.3V */
945/* Is an output */ 945/* Is an output */
@@ -1092,7 +1092,7 @@ e100_rts(struct e100_serial *info, int set)
1092 local_irq_save(flags); 1092 local_irq_save(flags);
1093 info->rx_ctrl &= ~E100_RTS_MASK; 1093 info->rx_ctrl &= ~E100_RTS_MASK;
1094 info->rx_ctrl |= (set ? 0 : E100_RTS_MASK); /* RTS is active low */ 1094 info->rx_ctrl |= (set ? 0 : E100_RTS_MASK); /* RTS is active low */
1095 info->port[REG_REC_CTRL] = info->rx_ctrl; 1095 info->ioport[REG_REC_CTRL] = info->rx_ctrl;
1096 local_irq_restore(flags); 1096 local_irq_restore(flags);
1097#ifdef SERIAL_DEBUG_IO 1097#ifdef SERIAL_DEBUG_IO
1098 printk("ser%i rts %i\n", info->line, set); 1098 printk("ser%i rts %i\n", info->line, set);
@@ -1142,7 +1142,7 @@ e100_disable_rx(struct e100_serial *info)
1142{ 1142{
1143#ifndef CONFIG_SVINTO_SIM 1143#ifndef CONFIG_SVINTO_SIM
1144 /* disable the receiver */ 1144 /* disable the receiver */
1145 info->port[REG_REC_CTRL] = 1145 info->ioport[REG_REC_CTRL] =
1146 (info->rx_ctrl &= ~IO_MASK(R_SERIAL0_REC_CTRL, rec_enable)); 1146 (info->rx_ctrl &= ~IO_MASK(R_SERIAL0_REC_CTRL, rec_enable));
1147#endif 1147#endif
1148} 1148}
@@ -1152,7 +1152,7 @@ e100_enable_rx(struct e100_serial *info)
1152{ 1152{
1153#ifndef CONFIG_SVINTO_SIM 1153#ifndef CONFIG_SVINTO_SIM
1154 /* enable the receiver */ 1154 /* enable the receiver */
1155 info->port[REG_REC_CTRL] = 1155 info->ioport[REG_REC_CTRL] =
1156 (info->rx_ctrl |= IO_MASK(R_SERIAL0_REC_CTRL, rec_enable)); 1156 (info->rx_ctrl |= IO_MASK(R_SERIAL0_REC_CTRL, rec_enable));
1157#endif 1157#endif
1158} 1158}
@@ -1490,7 +1490,7 @@ rs_stop(struct tty_struct *tty)
1490 xoff |= IO_STATE(R_SERIAL0_XOFF, auto_xoff, enable); 1490 xoff |= IO_STATE(R_SERIAL0_XOFF, auto_xoff, enable);
1491 } 1491 }
1492 1492
1493 *((unsigned long *)&info->port[REG_XOFF]) = xoff; 1493 *((unsigned long *)&info->ioport[REG_XOFF]) = xoff;
1494 local_irq_restore(flags); 1494 local_irq_restore(flags);
1495 } 1495 }
1496} 1496}
@@ -1513,7 +1513,7 @@ rs_start(struct tty_struct *tty)
1513 xoff |= IO_STATE(R_SERIAL0_XOFF, auto_xoff, enable); 1513 xoff |= IO_STATE(R_SERIAL0_XOFF, auto_xoff, enable);
1514 } 1514 }
1515 1515
1516 *((unsigned long *)&info->port[REG_XOFF]) = xoff; 1516 *((unsigned long *)&info->ioport[REG_XOFF]) = xoff;
1517 if (!info->uses_dma_out && 1517 if (!info->uses_dma_out &&
1518 info->xmit.head != info->xmit.tail && info->xmit.buf) 1518 info->xmit.head != info->xmit.tail && info->xmit.buf)
1519 e100_enable_serial_tx_ready_irq(info); 1519 e100_enable_serial_tx_ready_irq(info);
@@ -1888,7 +1888,7 @@ static void receive_chars_dma(struct e100_serial *info)
1888 handle_all_descr_data(info); 1888 handle_all_descr_data(info);
1889 1889
1890 /* Read the status register to detect errors */ 1890 /* Read the status register to detect errors */
1891 rstat = info->port[REG_STATUS]; 1891 rstat = info->ioport[REG_STATUS];
1892 if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect) ) { 1892 if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect) ) {
1893 DFLOW(DEBUG_LOG(info->line, "XOFF detect stat %x\n", rstat)); 1893 DFLOW(DEBUG_LOG(info->line, "XOFF detect stat %x\n", rstat));
1894 } 1894 }
@@ -1897,7 +1897,7 @@ static void receive_chars_dma(struct e100_serial *info)
1897 /* If we got an error, we must reset it by reading the 1897 /* If we got an error, we must reset it by reading the
1898 * data_in field 1898 * data_in field
1899 */ 1899 */
1900 unsigned char data = info->port[REG_DATA]; 1900 unsigned char data = info->ioport[REG_DATA];
1901 1901
1902 PROCSTAT(ser_stat[info->line].errors_cnt++); 1902 PROCSTAT(ser_stat[info->line].errors_cnt++);
1903 DEBUG_LOG(info->line, "#dERR: s d 0x%04X\n", 1903 DEBUG_LOG(info->line, "#dERR: s d 0x%04X\n",
@@ -2077,7 +2077,7 @@ static int force_eop_if_needed(struct e100_serial *info)
2077 /* We check data_avail bit to determine if data has 2077 /* We check data_avail bit to determine if data has
2078 * arrived since last time 2078 * arrived since last time
2079 */ 2079 */
2080 unsigned char rstat = info->port[REG_STATUS]; 2080 unsigned char rstat = info->ioport[REG_STATUS];
2081 2081
2082 /* error or datavail? */ 2082 /* error or datavail? */
2083 if (rstat & SER_ERROR_MASK) { 2083 if (rstat & SER_ERROR_MASK) {
@@ -2096,7 +2096,7 @@ static int force_eop_if_needed(struct e100_serial *info)
2096 TIMERD(DEBUG_LOG(info->line, "timeout: rstat 0x%03X\n", 2096 TIMERD(DEBUG_LOG(info->line, "timeout: rstat 0x%03X\n",
2097 rstat | (info->line << 8))); 2097 rstat | (info->line << 8)));
2098 /* Read data to clear status flags */ 2098 /* Read data to clear status flags */
2099 (void)info->port[REG_DATA]; 2099 (void)info->ioport[REG_DATA];
2100 2100
2101 info->forced_eop = 0; 2101 info->forced_eop = 0;
2102 START_FLUSH_FAST_TIMER(info, "magic"); 2102 START_FLUSH_FAST_TIMER(info, "magic");
@@ -2296,7 +2296,7 @@ struct e100_serial * handle_ser_rx_interrupt_no_dma(struct e100_serial *info)
2296 } 2296 }
2297 2297
2298 /* Read data and status at the same time */ 2298 /* Read data and status at the same time */
2299 data_read = *((unsigned long *)&info->port[REG_DATA_STATUS32]); 2299 data_read = *((unsigned long *)&info->ioport[REG_DATA_STATUS32]);
2300more_data: 2300more_data:
2301 if (data_read & IO_MASK(R_SERIAL0_READ, xoff_detect) ) { 2301 if (data_read & IO_MASK(R_SERIAL0_READ, xoff_detect) ) {
2302 DFLOW(DEBUG_LOG(info->line, "XOFF detect\n", 0)); 2302 DFLOW(DEBUG_LOG(info->line, "XOFF detect\n", 0));
@@ -2391,7 +2391,7 @@ more_data:
2391 2391
2392 2392
2393 info->icount.rx++; 2393 info->icount.rx++;
2394 data_read = *((unsigned long *)&info->port[REG_DATA_STATUS32]); 2394 data_read = *((unsigned long *)&info->ioport[REG_DATA_STATUS32]);
2395 if (data_read & IO_MASK(R_SERIAL0_READ, data_avail)) { 2395 if (data_read & IO_MASK(R_SERIAL0_READ, data_avail)) {
2396 DEBUG_LOG(info->line, "ser_rx %c in loop\n", IO_EXTRACT(R_SERIAL0_READ, data_in, data_read)); 2396 DEBUG_LOG(info->line, "ser_rx %c in loop\n", IO_EXTRACT(R_SERIAL0_READ, data_in, data_read));
2397 goto more_data; 2397 goto more_data;
@@ -2413,7 +2413,7 @@ static struct e100_serial* handle_ser_rx_interrupt(struct e100_serial *info)
2413 return handle_ser_rx_interrupt_no_dma(info); 2413 return handle_ser_rx_interrupt_no_dma(info);
2414 } 2414 }
2415 /* DMA is used */ 2415 /* DMA is used */
2416 rstat = info->port[REG_STATUS]; 2416 rstat = info->ioport[REG_STATUS];
2417 if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect) ) { 2417 if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect) ) {
2418 DFLOW(DEBUG_LOG(info->line, "XOFF detect\n", 0)); 2418 DFLOW(DEBUG_LOG(info->line, "XOFF detect\n", 0));
2419 } 2419 }
@@ -2426,7 +2426,7 @@ static struct e100_serial* handle_ser_rx_interrupt(struct e100_serial *info)
2426 /* If we got an error, we must reset it by reading the 2426 /* If we got an error, we must reset it by reading the
2427 * data_in field 2427 * data_in field
2428 */ 2428 */
2429 data = info->port[REG_DATA]; 2429 data = info->ioport[REG_DATA];
2430 DINTR1(DEBUG_LOG(info->line, "ser_rx! %c\n", data)); 2430 DINTR1(DEBUG_LOG(info->line, "ser_rx! %c\n", data));
2431 DINTR1(DEBUG_LOG(info->line, "ser_rx err stat %02X\n", rstat)); 2431 DINTR1(DEBUG_LOG(info->line, "ser_rx err stat %02X\n", rstat));
2432 if (!data && (rstat & SER_FRAMING_ERR_MASK)) { 2432 if (!data && (rstat & SER_FRAMING_ERR_MASK)) {
@@ -2528,10 +2528,10 @@ static void handle_ser_tx_interrupt(struct e100_serial *info)
2528 unsigned char rstat; 2528 unsigned char rstat;
2529 DFLOW(DEBUG_LOG(info->line, "tx_int: xchar 0x%02X\n", info->x_char)); 2529 DFLOW(DEBUG_LOG(info->line, "tx_int: xchar 0x%02X\n", info->x_char));
2530 local_irq_save(flags); 2530 local_irq_save(flags);
2531 rstat = info->port[REG_STATUS]; 2531 rstat = info->ioport[REG_STATUS];
2532 DFLOW(DEBUG_LOG(info->line, "stat %x\n", rstat)); 2532 DFLOW(DEBUG_LOG(info->line, "stat %x\n", rstat));
2533 2533
2534 info->port[REG_TR_DATA] = info->x_char; 2534 info->ioport[REG_TR_DATA] = info->x_char;
2535 info->icount.tx++; 2535 info->icount.tx++;
2536 info->x_char = 0; 2536 info->x_char = 0;
2537 /* We must enable since it is disabled in ser_interrupt */ 2537 /* We must enable since it is disabled in ser_interrupt */
@@ -2545,7 +2545,7 @@ static void handle_ser_tx_interrupt(struct e100_serial *info)
2545 /* We only use normal tx interrupt when sending x_char */ 2545 /* We only use normal tx interrupt when sending x_char */
2546 DFLOW(DEBUG_LOG(info->line, "tx_int: xchar sent\n", 0)); 2546 DFLOW(DEBUG_LOG(info->line, "tx_int: xchar sent\n", 0));
2547 local_irq_save(flags); 2547 local_irq_save(flags);
2548 rstat = info->port[REG_STATUS]; 2548 rstat = info->ioport[REG_STATUS];
2549 DFLOW(DEBUG_LOG(info->line, "stat %x\n", rstat)); 2549 DFLOW(DEBUG_LOG(info->line, "stat %x\n", rstat));
2550 e100_disable_serial_tx_ready_irq(info); 2550 e100_disable_serial_tx_ready_irq(info);
2551 if (info->port.tty->stopped) 2551 if (info->port.tty->stopped)
@@ -2573,7 +2573,7 @@ static void handle_ser_tx_interrupt(struct e100_serial *info)
2573 DINTR2(DEBUG_LOG(info->line, "tx_int %c\n", info->xmit.buf[info->xmit.tail])); 2573 DINTR2(DEBUG_LOG(info->line, "tx_int %c\n", info->xmit.buf[info->xmit.tail]));
2574 /* Send a byte, rs485 timing is critical so turn of ints */ 2574 /* Send a byte, rs485 timing is critical so turn of ints */
2575 local_irq_save(flags); 2575 local_irq_save(flags);
2576 info->port[REG_TR_DATA] = info->xmit.buf[info->xmit.tail]; 2576 info->ioport[REG_TR_DATA] = info->xmit.buf[info->xmit.tail];
2577 info->xmit.tail = (info->xmit.tail + 1) & (SERIAL_XMIT_SIZE-1); 2577 info->xmit.tail = (info->xmit.tail + 1) & (SERIAL_XMIT_SIZE-1);
2578 info->icount.tx++; 2578 info->icount.tx++;
2579 if (info->xmit.head == info->xmit.tail) { 2579 if (info->xmit.head == info->xmit.tail) {
@@ -2848,7 +2848,7 @@ startup(struct e100_serial * info)
2848 2848
2849 /* dummy read to reset any serial errors */ 2849 /* dummy read to reset any serial errors */
2850 2850
2851 (void)info->port[REG_DATA]; 2851 (void)info->ioport[REG_DATA];
2852 2852
2853 /* enable the interrupts */ 2853 /* enable the interrupts */
2854 if (info->uses_dma_out) 2854 if (info->uses_dma_out)
@@ -2897,7 +2897,7 @@ shutdown(struct e100_serial * info)
2897 /* shut down the transmitter and receiver */ 2897 /* shut down the transmitter and receiver */
2898 DFLOW(DEBUG_LOG(info->line, "shutdown %i\n", info->line)); 2898 DFLOW(DEBUG_LOG(info->line, "shutdown %i\n", info->line));
2899 e100_disable_rx(info); 2899 e100_disable_rx(info);
2900 info->port[REG_TR_CTRL] = (info->tx_ctrl &= ~0x40); 2900 info->ioport[REG_TR_CTRL] = (info->tx_ctrl &= ~0x40);
2901 2901
2902 /* disable interrupts, reset dma channels */ 2902 /* disable interrupts, reset dma channels */
2903 if (info->uses_dma_in) { 2903 if (info->uses_dma_in) {
@@ -2968,7 +2968,7 @@ change_speed(struct e100_serial *info)
2968 2968
2969 if (!info->port.tty || !info->port.tty->termios) 2969 if (!info->port.tty || !info->port.tty->termios)
2970 return; 2970 return;
2971 if (!info->port) 2971 if (!info->ioport)
2972 return; 2972 return;
2973 2973
2974 cflag = info->port.tty->termios->c_cflag; 2974 cflag = info->port.tty->termios->c_cflag;
@@ -3037,7 +3037,7 @@ change_speed(struct e100_serial *info)
3037 3037
3038 info->baud = cflag_to_baud(cflag); 3038 info->baud = cflag_to_baud(cflag);
3039#ifndef CONFIG_SVINTO_SIM 3039#ifndef CONFIG_SVINTO_SIM
3040 info->port[REG_BAUD] = cflag_to_etrax_baud(cflag); 3040 info->ioport[REG_BAUD] = cflag_to_etrax_baud(cflag);
3041#endif /* CONFIG_SVINTO_SIM */ 3041#endif /* CONFIG_SVINTO_SIM */
3042 } 3042 }
3043 3043
@@ -3097,8 +3097,8 @@ change_speed(struct e100_serial *info)
3097 3097
3098 /* actually write the control regs to the hardware */ 3098 /* actually write the control regs to the hardware */
3099 3099
3100 info->port[REG_TR_CTRL] = info->tx_ctrl; 3100 info->ioport[REG_TR_CTRL] = info->tx_ctrl;
3101 info->port[REG_REC_CTRL] = info->rx_ctrl; 3101 info->ioport[REG_REC_CTRL] = info->rx_ctrl;
3102 xoff = IO_FIELD(R_SERIAL0_XOFF, xoff_char, STOP_CHAR(info->port.tty)); 3102 xoff = IO_FIELD(R_SERIAL0_XOFF, xoff_char, STOP_CHAR(info->port.tty));
3103 xoff |= IO_STATE(R_SERIAL0_XOFF, tx_stop, enable); 3103 xoff |= IO_STATE(R_SERIAL0_XOFF, tx_stop, enable);
3104 if (info->port.tty->termios->c_iflag & IXON ) { 3104 if (info->port.tty->termios->c_iflag & IXON ) {
@@ -3107,7 +3107,7 @@ change_speed(struct e100_serial *info)
3107 xoff |= IO_STATE(R_SERIAL0_XOFF, auto_xoff, enable); 3107 xoff |= IO_STATE(R_SERIAL0_XOFF, auto_xoff, enable);
3108 } 3108 }
3109 3109
3110 *((unsigned long *)&info->port[REG_XOFF]) = xoff; 3110 *((unsigned long *)&info->ioport[REG_XOFF]) = xoff;
3111 local_irq_restore(flags); 3111 local_irq_restore(flags);
3112#endif /* !CONFIG_SVINTO_SIM */ 3112#endif /* !CONFIG_SVINTO_SIM */
3113 3113
@@ -3156,7 +3156,7 @@ static int rs_raw_write(struct tty_struct *tty,
3156#ifdef SERIAL_DEBUG_DATA 3156#ifdef SERIAL_DEBUG_DATA
3157 if (info->line == SERIAL_DEBUG_LINE) 3157 if (info->line == SERIAL_DEBUG_LINE)
3158 printk("rs_raw_write (%d), status %d\n", 3158 printk("rs_raw_write (%d), status %d\n",
3159 count, info->port[REG_STATUS]); 3159 count, info->ioport[REG_STATUS]);
3160#endif 3160#endif
3161 3161
3162#ifdef CONFIG_SVINTO_SIM 3162#ifdef CONFIG_SVINTO_SIM
@@ -3427,7 +3427,7 @@ get_serial_info(struct e100_serial * info,
3427 memset(&tmp, 0, sizeof(tmp)); 3427 memset(&tmp, 0, sizeof(tmp));
3428 tmp.type = info->type; 3428 tmp.type = info->type;
3429 tmp.line = info->line; 3429 tmp.line = info->line;
3430 tmp.port = (int)info->port; 3430 tmp.port = (int)info->ioport;
3431 tmp.irq = info->irq; 3431 tmp.irq = info->irq;
3432 tmp.flags = info->flags; 3432 tmp.flags = info->flags;
3433 tmp.baud_base = info->baud_base; 3433 tmp.baud_base = info->baud_base;
@@ -3557,14 +3557,14 @@ char *get_control_state_str(int MLines, char *s)
3557} 3557}
3558#endif 3558#endif
3559 3559
3560static void 3560static int
3561rs_break(struct tty_struct *tty, int break_state) 3561rs_break(struct tty_struct *tty, int break_state)
3562{ 3562{
3563 struct e100_serial *info = (struct e100_serial *)tty->driver_data; 3563 struct e100_serial *info = (struct e100_serial *)tty->driver_data;
3564 unsigned long flags; 3564 unsigned long flags;
3565 3565
3566 if (!info->port) 3566 if (!info->ioport)
3567 return; 3567 return -EIO;
3568 3568
3569 local_irq_save(flags); 3569 local_irq_save(flags);
3570 if (break_state == -1) { 3570 if (break_state == -1) {
@@ -3575,8 +3575,9 @@ rs_break(struct tty_struct *tty, int break_state)
3575 /* Set bit 7 (txd) and 6 (tr_enable) */ 3575 /* Set bit 7 (txd) and 6 (tr_enable) */
3576 info->tx_ctrl |= (0x80 | 0x40); 3576 info->tx_ctrl |= (0x80 | 0x40);
3577 } 3577 }
3578 info->port[REG_TR_CTRL] = info->tx_ctrl; 3578 info->ioport[REG_TR_CTRL] = info->tx_ctrl;
3579 local_irq_restore(flags); 3579 local_irq_restore(flags);
3580 return 0;
3580} 3581}
3581 3582
3582static int 3583static int
@@ -4231,9 +4232,9 @@ static int line_info(char *buf, struct e100_serial *info)
4231 unsigned long tmp; 4232 unsigned long tmp;
4232 4233
4233 ret = sprintf(buf, "%d: uart:E100 port:%lX irq:%d", 4234 ret = sprintf(buf, "%d: uart:E100 port:%lX irq:%d",
4234 info->line, (unsigned long)info->port, info->irq); 4235 info->line, (unsigned long)info->ioport, info->irq);
4235 4236
4236 if (!info->port || (info->type == PORT_UNKNOWN)) { 4237 if (!info->ioport || (info->type == PORT_UNKNOWN)) {
4237 ret += sprintf(buf+ret, "\n"); 4238 ret += sprintf(buf+ret, "\n");
4238 return ret; 4239 return ret;
4239 } 4240 }
@@ -4281,7 +4282,7 @@ static int line_info(char *buf, struct e100_serial *info)
4281 } 4282 }
4282 4283
4283 { 4284 {
4284 unsigned char rstat = info->port[REG_STATUS]; 4285 unsigned char rstat = info->ioport[REG_STATUS];
4285 if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect) ) 4286 if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect) )
4286 ret += sprintf(buf+ret, " xoff_detect:1"); 4287 ret += sprintf(buf+ret, " xoff_detect:1");
4287 } 4288 }
@@ -4502,7 +4503,7 @@ rs_init(void)
4502 4503
4503 if (info->enabled) { 4504 if (info->enabled) {
4504 printk(KERN_INFO "%s%d at 0x%x is a builtin UART with DMA\n", 4505 printk(KERN_INFO "%s%d at 0x%x is a builtin UART with DMA\n",
4505 serial_driver->name, info->line, (unsigned int)info->port); 4506 serial_driver->name, info->line, (unsigned int)info->ioport);
4506 } 4507 }
4507 } 4508 }
4508#ifdef CONFIG_ETRAX_FAST_TIMER 4509#ifdef CONFIG_ETRAX_FAST_TIMER
diff --git a/drivers/serial/crisv10.h b/drivers/serial/crisv10.h
index ccd0f32b737..e3c5c8c3c09 100644
--- a/drivers/serial/crisv10.h
+++ b/drivers/serial/crisv10.h
@@ -36,8 +36,9 @@ struct etrax_recv_buffer {
36}; 36};
37 37
38struct e100_serial { 38struct e100_serial {
39 struct tty_port port;
39 int baud; 40 int baud;
40 volatile u8 *port; /* R_SERIALx_CTRL */ 41 volatile u8 *ioport; /* R_SERIALx_CTRL */
41 u32 irq; /* bitnr in R_IRQ_MASK2 for dmaX_descr */ 42 u32 irq; /* bitnr in R_IRQ_MASK2 for dmaX_descr */
42 43
43 /* Output registers */ 44 /* Output registers */
diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c
index 0c716566085..95190c619c1 100644
--- a/drivers/spi/atmel_spi.c
+++ b/drivers/spi/atmel_spi.c
@@ -184,7 +184,8 @@ static void atmel_spi_next_xfer(struct spi_master *master,
184{ 184{
185 struct atmel_spi *as = spi_master_get_devdata(master); 185 struct atmel_spi *as = spi_master_get_devdata(master);
186 struct spi_transfer *xfer; 186 struct spi_transfer *xfer;
187 u32 len, remaining, total; 187 u32 len, remaining;
188 u32 ieval;
188 dma_addr_t tx_dma, rx_dma; 189 dma_addr_t tx_dma, rx_dma;
189 190
190 if (!as->current_transfer) 191 if (!as->current_transfer)
@@ -197,6 +198,8 @@ static void atmel_spi_next_xfer(struct spi_master *master,
197 xfer = NULL; 198 xfer = NULL;
198 199
199 if (xfer) { 200 if (xfer) {
201 spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS));
202
200 len = xfer->len; 203 len = xfer->len;
201 atmel_spi_next_xfer_data(master, xfer, &tx_dma, &rx_dma, &len); 204 atmel_spi_next_xfer_data(master, xfer, &tx_dma, &rx_dma, &len);
202 remaining = xfer->len - len; 205 remaining = xfer->len - len;
@@ -234,6 +237,8 @@ static void atmel_spi_next_xfer(struct spi_master *master,
234 as->next_transfer = xfer; 237 as->next_transfer = xfer;
235 238
236 if (xfer) { 239 if (xfer) {
240 u32 total;
241
237 total = len; 242 total = len;
238 atmel_spi_next_xfer_data(master, xfer, &tx_dma, &rx_dma, &len); 243 atmel_spi_next_xfer_data(master, xfer, &tx_dma, &rx_dma, &len);
239 as->next_remaining_bytes = total - len; 244 as->next_remaining_bytes = total - len;
@@ -250,9 +255,11 @@ static void atmel_spi_next_xfer(struct spi_master *master,
250 " next xfer %p: len %u tx %p/%08x rx %p/%08x\n", 255 " next xfer %p: len %u tx %p/%08x rx %p/%08x\n",
251 xfer, xfer->len, xfer->tx_buf, xfer->tx_dma, 256 xfer, xfer->len, xfer->tx_buf, xfer->tx_dma,
252 xfer->rx_buf, xfer->rx_dma); 257 xfer->rx_buf, xfer->rx_dma);
258 ieval = SPI_BIT(ENDRX) | SPI_BIT(OVRES);
253 } else { 259 } else {
254 spi_writel(as, RNCR, 0); 260 spi_writel(as, RNCR, 0);
255 spi_writel(as, TNCR, 0); 261 spi_writel(as, TNCR, 0);
262 ieval = SPI_BIT(RXBUFF) | SPI_BIT(ENDRX) | SPI_BIT(OVRES);
256 } 263 }
257 264
258 /* REVISIT: We're waiting for ENDRX before we start the next 265 /* REVISIT: We're waiting for ENDRX before we start the next
@@ -265,7 +272,7 @@ static void atmel_spi_next_xfer(struct spi_master *master,
265 * 272 *
266 * It should be doable, though. Just not now... 273 * It should be doable, though. Just not now...
267 */ 274 */
268 spi_writel(as, IER, SPI_BIT(ENDRX) | SPI_BIT(OVRES)); 275 spi_writel(as, IER, ieval);
269 spi_writel(as, PTCR, SPI_BIT(TXTEN) | SPI_BIT(RXTEN)); 276 spi_writel(as, PTCR, SPI_BIT(TXTEN) | SPI_BIT(RXTEN));
270} 277}
271 278
@@ -396,7 +403,7 @@ atmel_spi_interrupt(int irq, void *dev_id)
396 403
397 ret = IRQ_HANDLED; 404 ret = IRQ_HANDLED;
398 405
399 spi_writel(as, IDR, (SPI_BIT(ENDTX) | SPI_BIT(ENDRX) 406 spi_writel(as, IDR, (SPI_BIT(RXBUFF) | SPI_BIT(ENDRX)
400 | SPI_BIT(OVRES))); 407 | SPI_BIT(OVRES)));
401 408
402 /* 409 /*
@@ -418,7 +425,7 @@ atmel_spi_interrupt(int irq, void *dev_id)
418 if (xfer->delay_usecs) 425 if (xfer->delay_usecs)
419 udelay(xfer->delay_usecs); 426 udelay(xfer->delay_usecs);
420 427
421 dev_warn(master->dev.parent, "fifo overrun (%u/%u remaining)\n", 428 dev_warn(master->dev.parent, "overrun (%u/%u remaining)\n",
422 spi_readl(as, TCR), spi_readl(as, RCR)); 429 spi_readl(as, TCR), spi_readl(as, RCR));
423 430
424 /* 431 /*
@@ -442,7 +449,7 @@ atmel_spi_interrupt(int irq, void *dev_id)
442 spi_readl(as, SR); 449 spi_readl(as, SR);
443 450
444 atmel_spi_msg_done(master, as, msg, -EIO, 0); 451 atmel_spi_msg_done(master, as, msg, -EIO, 0);
445 } else if (pending & SPI_BIT(ENDRX)) { 452 } else if (pending & (SPI_BIT(RXBUFF) | SPI_BIT(ENDRX))) {
446 ret = IRQ_HANDLED; 453 ret = IRQ_HANDLED;
447 454
448 spi_writel(as, IDR, pending); 455 spi_writel(as, IDR, pending);
diff --git a/drivers/spi/spi_s3c24xx.c b/drivers/spi/spi_s3c24xx.c
index 1c643c9e1f1..21661c7959c 100644
--- a/drivers/spi/spi_s3c24xx.c
+++ b/drivers/spi/spi_s3c24xx.c
@@ -236,6 +236,19 @@ static irqreturn_t s3c24xx_spi_irq(int irq, void *dev)
236 return IRQ_HANDLED; 236 return IRQ_HANDLED;
237} 237}
238 238
239static void s3c24xx_spi_initialsetup(struct s3c24xx_spi *hw)
240{
241 /* for the moment, permanently enable the clock */
242
243 clk_enable(hw->clk);
244
245 /* program defaults into the registers */
246
247 writeb(0xff, hw->regs + S3C2410_SPPRE);
248 writeb(SPPIN_DEFAULT, hw->regs + S3C2410_SPPIN);
249 writeb(SPCON_DEFAULT, hw->regs + S3C2410_SPCON);
250}
251
239static int __init s3c24xx_spi_probe(struct platform_device *pdev) 252static int __init s3c24xx_spi_probe(struct platform_device *pdev)
240{ 253{
241 struct s3c2410_spi_info *pdata; 254 struct s3c2410_spi_info *pdata;
@@ -327,15 +340,7 @@ static int __init s3c24xx_spi_probe(struct platform_device *pdev)
327 goto err_no_clk; 340 goto err_no_clk;
328 } 341 }
329 342
330 /* for the moment, permanently enable the clock */ 343 s3c24xx_spi_initialsetup(hw);
331
332 clk_enable(hw->clk);
333
334 /* program defaults into the registers */
335
336 writeb(0xff, hw->regs + S3C2410_SPPRE);
337 writeb(SPPIN_DEFAULT, hw->regs + S3C2410_SPPIN);
338 writeb(SPCON_DEFAULT, hw->regs + S3C2410_SPCON);
339 344
340 /* setup any gpio we can */ 345 /* setup any gpio we can */
341 346
@@ -415,7 +420,7 @@ static int s3c24xx_spi_resume(struct platform_device *pdev)
415{ 420{
416 struct s3c24xx_spi *hw = platform_get_drvdata(pdev); 421 struct s3c24xx_spi *hw = platform_get_drvdata(pdev);
417 422
418 clk_enable(hw->clk); 423 s3c24xx_spi_initialsetup(hw);
419 return 0; 424 return 0;
420} 425}
421 426
diff --git a/drivers/video/console/.gitignore b/drivers/video/console/.gitignore
new file mode 100644
index 00000000000..0c258b45439
--- /dev/null
+++ b/drivers/video/console/.gitignore
@@ -0,0 +1,2 @@
1# conmakehash generated file
2promcon_tbl.c
diff --git a/drivers/watchdog/ar7_wdt.c b/drivers/watchdog/ar7_wdt.c
index 2eb48c0df32..ef7b0d67095 100644
--- a/drivers/watchdog/ar7_wdt.c
+++ b/drivers/watchdog/ar7_wdt.c
@@ -69,7 +69,8 @@ struct ar7_wdt {
69 u32 prescale; 69 u32 prescale;
70}; 70};
71 71
72static struct semaphore open_semaphore; 72static unsigned long wdt_is_open;
73static spinlock_t wdt_lock;
73static unsigned expect_close; 74static unsigned expect_close;
74 75
75/* XXX currently fixed, allows max margin ~68.72 secs */ 76/* XXX currently fixed, allows max margin ~68.72 secs */
@@ -154,8 +155,10 @@ static void ar7_wdt_update_margin(int new_margin)
154 u32 change; 155 u32 change;
155 156
156 change = new_margin * (ar7_vbus_freq() / prescale_value); 157 change = new_margin * (ar7_vbus_freq() / prescale_value);
157 if (change < 1) change = 1; 158 if (change < 1)
158 if (change > 0xffff) change = 0xffff; 159 change = 1;
160 if (change > 0xffff)
161 change = 0xffff;
159 ar7_wdt_change(change); 162 ar7_wdt_change(change);
160 margin = change * prescale_value / ar7_vbus_freq(); 163 margin = change * prescale_value / ar7_vbus_freq();
161 printk(KERN_INFO DRVNAME 164 printk(KERN_INFO DRVNAME
@@ -179,7 +182,7 @@ static void ar7_wdt_disable_wdt(void)
179static int ar7_wdt_open(struct inode *inode, struct file *file) 182static int ar7_wdt_open(struct inode *inode, struct file *file)
180{ 183{
181 /* only allow one at a time */ 184 /* only allow one at a time */
182 if (down_trylock(&open_semaphore)) 185 if (test_and_set_bit(0, &wdt_is_open))
183 return -EBUSY; 186 return -EBUSY;
184 ar7_wdt_enable_wdt(); 187 ar7_wdt_enable_wdt();
185 expect_close = 0; 188 expect_close = 0;
@@ -195,9 +198,7 @@ static int ar7_wdt_release(struct inode *inode, struct file *file)
195 "will not disable the watchdog timer\n"); 198 "will not disable the watchdog timer\n");
196 else if (!nowayout) 199 else if (!nowayout)
197 ar7_wdt_disable_wdt(); 200 ar7_wdt_disable_wdt();
198 201 clear_bit(0, &wdt_is_open);
199 up(&open_semaphore);
200
201 return 0; 202 return 0;
202} 203}
203 204
@@ -222,7 +223,9 @@ static ssize_t ar7_wdt_write(struct file *file, const char *data,
222 if (len) { 223 if (len) {
223 size_t i; 224 size_t i;
224 225
226 spin_lock(&wdt_lock);
225 ar7_wdt_kick(1); 227 ar7_wdt_kick(1);
228 spin_unlock(&wdt_lock);
226 229
227 expect_close = 0; 230 expect_close = 0;
228 for (i = 0; i < len; ++i) { 231 for (i = 0; i < len; ++i) {
@@ -237,8 +240,8 @@ static ssize_t ar7_wdt_write(struct file *file, const char *data,
237 return len; 240 return len;
238} 241}
239 242
240static int ar7_wdt_ioctl(struct inode *inode, struct file *file, 243static long ar7_wdt_ioctl(struct file *file,
241 unsigned int cmd, unsigned long arg) 244 unsigned int cmd, unsigned long arg)
242{ 245{
243 static struct watchdog_info ident = { 246 static struct watchdog_info ident = {
244 .identity = LONGNAME, 247 .identity = LONGNAME,
@@ -269,8 +272,10 @@ static int ar7_wdt_ioctl(struct inode *inode, struct file *file,
269 if (new_margin < 1) 272 if (new_margin < 1)
270 return -EINVAL; 273 return -EINVAL;
271 274
275 spin_lock(&wdt_lock);
272 ar7_wdt_update_margin(new_margin); 276 ar7_wdt_update_margin(new_margin);
273 ar7_wdt_kick(1); 277 ar7_wdt_kick(1);
278 spin_unlock(&wdt_lock);
274 279
275 case WDIOC_GETTIMEOUT: 280 case WDIOC_GETTIMEOUT:
276 if (put_user(margin, (int *)arg)) 281 if (put_user(margin, (int *)arg))
@@ -282,7 +287,7 @@ static int ar7_wdt_ioctl(struct inode *inode, struct file *file,
282static const struct file_operations ar7_wdt_fops = { 287static const struct file_operations ar7_wdt_fops = {
283 .owner = THIS_MODULE, 288 .owner = THIS_MODULE,
284 .write = ar7_wdt_write, 289 .write = ar7_wdt_write,
285 .ioctl = ar7_wdt_ioctl, 290 .unlocked_ioctl = ar7_wdt_ioctl,
286 .open = ar7_wdt_open, 291 .open = ar7_wdt_open,
287 .release = ar7_wdt_release, 292 .release = ar7_wdt_release,
288}; 293};
@@ -297,6 +302,8 @@ static int __init ar7_wdt_init(void)
297{ 302{
298 int rc; 303 int rc;
299 304
305 spin_lock_init(&wdt_lock);
306
300 ar7_wdt_get_regs(); 307 ar7_wdt_get_regs();
301 308
302 if (!request_mem_region(ar7_regs_wdt, sizeof(struct ar7_wdt), 309 if (!request_mem_region(ar7_regs_wdt, sizeof(struct ar7_wdt),
@@ -312,8 +319,6 @@ static int __init ar7_wdt_init(void)
312 ar7_wdt_prescale(prescale_value); 319 ar7_wdt_prescale(prescale_value);
313 ar7_wdt_update_margin(margin); 320 ar7_wdt_update_margin(margin);
314 321
315 sema_init(&open_semaphore, 1);
316
317 rc = register_reboot_notifier(&ar7_wdt_notifier); 322 rc = register_reboot_notifier(&ar7_wdt_notifier);
318 if (rc) { 323 if (rc) {
319 printk(KERN_ERR DRVNAME 324 printk(KERN_ERR DRVNAME
diff --git a/drivers/watchdog/it8712f_wdt.c b/drivers/watchdog/it8712f_wdt.c
index 445b7e81211..51bfd572183 100644
--- a/drivers/watchdog/it8712f_wdt.c
+++ b/drivers/watchdog/it8712f_wdt.c
@@ -30,9 +30,8 @@
30#include <linux/fs.h> 30#include <linux/fs.h>
31#include <linux/pci.h> 31#include <linux/pci.h>
32#include <linux/spinlock.h> 32#include <linux/spinlock.h>
33 33#include <linux/uaccess.h>
34#include <asm/uaccess.h> 34#include <linux/io.h>
35#include <asm/io.h>
36 35
37#define NAME "it8712f_wdt" 36#define NAME "it8712f_wdt"
38 37
@@ -50,7 +49,7 @@ static int nowayout = WATCHDOG_NOWAYOUT;
50module_param(nowayout, int, 0); 49module_param(nowayout, int, 0);
51MODULE_PARM_DESC(nowayout, "Disable watchdog shutdown on close"); 50MODULE_PARM_DESC(nowayout, "Disable watchdog shutdown on close");
52 51
53static struct semaphore it8712f_wdt_sem; 52static unsigned long wdt_open;
54static unsigned expect_close; 53static unsigned expect_close;
55static spinlock_t io_lock; 54static spinlock_t io_lock;
56static unsigned char revision; 55static unsigned char revision;
@@ -86,22 +85,19 @@ static unsigned short address;
86#define WDT_OUT_PWROK 0x10 85#define WDT_OUT_PWROK 0x10
87#define WDT_OUT_KRST 0x40 86#define WDT_OUT_KRST 0x40
88 87
89static int 88static int superio_inb(int reg)
90superio_inb(int reg)
91{ 89{
92 outb(reg, REG); 90 outb(reg, REG);
93 return inb(VAL); 91 return inb(VAL);
94} 92}
95 93
96static void 94static void superio_outb(int val, int reg)
97superio_outb(int val, int reg)
98{ 95{
99 outb(reg, REG); 96 outb(reg, REG);
100 outb(val, VAL); 97 outb(val, VAL);
101} 98}
102 99
103static int 100static int superio_inw(int reg)
104superio_inw(int reg)
105{ 101{
106 int val; 102 int val;
107 outb(reg++, REG); 103 outb(reg++, REG);
@@ -111,15 +107,13 @@ superio_inw(int reg)
111 return val; 107 return val;
112} 108}
113 109
114static inline void 110static inline void superio_select(int ldn)
115superio_select(int ldn)
116{ 111{
117 outb(LDN, REG); 112 outb(LDN, REG);
118 outb(ldn, VAL); 113 outb(ldn, VAL);
119} 114}
120 115
121static inline void 116static inline void superio_enter(void)
122superio_enter(void)
123{ 117{
124 spin_lock(&io_lock); 118 spin_lock(&io_lock);
125 outb(0x87, REG); 119 outb(0x87, REG);
@@ -128,22 +122,19 @@ superio_enter(void)
128 outb(0x55, REG); 122 outb(0x55, REG);
129} 123}
130 124
131static inline void 125static inline void superio_exit(void)
132superio_exit(void)
133{ 126{
134 outb(0x02, REG); 127 outb(0x02, REG);
135 outb(0x02, VAL); 128 outb(0x02, VAL);
136 spin_unlock(&io_lock); 129 spin_unlock(&io_lock);
137} 130}
138 131
139static inline void 132static inline void it8712f_wdt_ping(void)
140it8712f_wdt_ping(void)
141{ 133{
142 inb(address); 134 inb(address);
143} 135}
144 136
145static void 137static void it8712f_wdt_update_margin(void)
146it8712f_wdt_update_margin(void)
147{ 138{
148 int config = WDT_OUT_KRST | WDT_OUT_PWROK; 139 int config = WDT_OUT_KRST | WDT_OUT_PWROK;
149 int units = margin; 140 int units = margin;
@@ -165,8 +156,7 @@ it8712f_wdt_update_margin(void)
165 superio_outb(units, WDT_TIMEOUT); 156 superio_outb(units, WDT_TIMEOUT);
166} 157}
167 158
168static int 159static int it8712f_wdt_get_status(void)
169it8712f_wdt_get_status(void)
170{ 160{
171 if (superio_inb(WDT_CONTROL) & 0x01) 161 if (superio_inb(WDT_CONTROL) & 0x01)
172 return WDIOF_CARDRESET; 162 return WDIOF_CARDRESET;
@@ -174,8 +164,7 @@ it8712f_wdt_get_status(void)
174 return 0; 164 return 0;
175} 165}
176 166
177static void 167static void it8712f_wdt_enable(void)
178it8712f_wdt_enable(void)
179{ 168{
180 printk(KERN_DEBUG NAME ": enabling watchdog timer\n"); 169 printk(KERN_DEBUG NAME ": enabling watchdog timer\n");
181 superio_enter(); 170 superio_enter();
@@ -190,8 +179,7 @@ it8712f_wdt_enable(void)
190 it8712f_wdt_ping(); 179 it8712f_wdt_ping();
191} 180}
192 181
193static void 182static void it8712f_wdt_disable(void)
194it8712f_wdt_disable(void)
195{ 183{
196 printk(KERN_DEBUG NAME ": disabling watchdog timer\n"); 184 printk(KERN_DEBUG NAME ": disabling watchdog timer\n");
197 185
@@ -207,8 +195,7 @@ it8712f_wdt_disable(void)
207 superio_exit(); 195 superio_exit();
208} 196}
209 197
210static int 198static int it8712f_wdt_notify(struct notifier_block *this,
211it8712f_wdt_notify(struct notifier_block *this,
212 unsigned long code, void *unused) 199 unsigned long code, void *unused)
213{ 200{
214 if (code == SYS_HALT || code == SYS_POWER_OFF) 201 if (code == SYS_HALT || code == SYS_POWER_OFF)
@@ -222,9 +209,8 @@ static struct notifier_block it8712f_wdt_notifier = {
222 .notifier_call = it8712f_wdt_notify, 209 .notifier_call = it8712f_wdt_notify,
223}; 210};
224 211
225static ssize_t 212static ssize_t it8712f_wdt_write(struct file *file, const char __user *data,
226it8712f_wdt_write(struct file *file, const char __user *data, 213 size_t len, loff_t *ppos)
227 size_t len, loff_t *ppos)
228{ 214{
229 /* check for a magic close character */ 215 /* check for a magic close character */
230 if (len) { 216 if (len) {
@@ -245,9 +231,8 @@ it8712f_wdt_write(struct file *file, const char __user *data,
245 return len; 231 return len;
246} 232}
247 233
248static int 234static long it8712f_wdt_ioctl(struct file *file, unsigned int cmd,
249it8712f_wdt_ioctl(struct inode *inode, struct file *file, 235 unsigned long arg)
250 unsigned int cmd, unsigned long arg)
251{ 236{
252 void __user *argp = (void __user *)arg; 237 void __user *argp = (void __user *)arg;
253 int __user *p = argp; 238 int __user *p = argp;
@@ -302,19 +287,16 @@ it8712f_wdt_ioctl(struct inode *inode, struct file *file,
302 } 287 }
303} 288}
304 289
305static int 290static int it8712f_wdt_open(struct inode *inode, struct file *file)
306it8712f_wdt_open(struct inode *inode, struct file *file)
307{ 291{
308 /* only allow one at a time */ 292 /* only allow one at a time */
309 if (down_trylock(&it8712f_wdt_sem)) 293 if (test_and_set_bit(0, &wdt_open))
310 return -EBUSY; 294 return -EBUSY;
311 it8712f_wdt_enable(); 295 it8712f_wdt_enable();
312
313 return nonseekable_open(inode, file); 296 return nonseekable_open(inode, file);
314} 297}
315 298
316static int 299static int it8712f_wdt_release(struct inode *inode, struct file *file)
317it8712f_wdt_release(struct inode *inode, struct file *file)
318{ 300{
319 if (expect_close != 42) { 301 if (expect_close != 42) {
320 printk(KERN_WARNING NAME 302 printk(KERN_WARNING NAME
@@ -324,7 +306,7 @@ it8712f_wdt_release(struct inode *inode, struct file *file)
324 it8712f_wdt_disable(); 306 it8712f_wdt_disable();
325 } 307 }
326 expect_close = 0; 308 expect_close = 0;
327 up(&it8712f_wdt_sem); 309 clear_bit(0, &wdt_open);
328 310
329 return 0; 311 return 0;
330} 312}
@@ -333,7 +315,7 @@ static const struct file_operations it8712f_wdt_fops = {
333 .owner = THIS_MODULE, 315 .owner = THIS_MODULE,
334 .llseek = no_llseek, 316 .llseek = no_llseek,
335 .write = it8712f_wdt_write, 317 .write = it8712f_wdt_write,
336 .ioctl = it8712f_wdt_ioctl, 318 .unlocked_ioctl = it8712f_wdt_ioctl,
337 .open = it8712f_wdt_open, 319 .open = it8712f_wdt_open,
338 .release = it8712f_wdt_release, 320 .release = it8712f_wdt_release,
339}; 321};
@@ -344,8 +326,7 @@ static struct miscdevice it8712f_wdt_miscdev = {
344 .fops = &it8712f_wdt_fops, 326 .fops = &it8712f_wdt_fops,
345}; 327};
346 328
347static int __init 329static int __init it8712f_wdt_find(unsigned short *address)
348it8712f_wdt_find(unsigned short *address)
349{ 330{
350 int err = -ENODEV; 331 int err = -ENODEV;
351 int chip_type; 332 int chip_type;
@@ -387,8 +368,7 @@ exit:
387 return err; 368 return err;
388} 369}
389 370
390static int __init 371static int __init it8712f_wdt_init(void)
391it8712f_wdt_init(void)
392{ 372{
393 int err = 0; 373 int err = 0;
394 374
@@ -404,8 +384,6 @@ it8712f_wdt_init(void)
404 384
405 it8712f_wdt_disable(); 385 it8712f_wdt_disable();
406 386
407 sema_init(&it8712f_wdt_sem, 1);
408
409 err = register_reboot_notifier(&it8712f_wdt_notifier); 387 err = register_reboot_notifier(&it8712f_wdt_notifier);
410 if (err) { 388 if (err) {
411 printk(KERN_ERR NAME ": unable to register reboot notifier\n"); 389 printk(KERN_ERR NAME ": unable to register reboot notifier\n");
@@ -430,8 +408,7 @@ out:
430 return err; 408 return err;
431} 409}
432 410
433static void __exit 411static void __exit it8712f_wdt_exit(void)
434it8712f_wdt_exit(void)
435{ 412{
436 misc_deregister(&it8712f_wdt_miscdev); 413 misc_deregister(&it8712f_wdt_miscdev);
437 unregister_reboot_notifier(&it8712f_wdt_notifier); 414 unregister_reboot_notifier(&it8712f_wdt_notifier);
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 98532c0e068..97b4a2e8eb0 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -46,9 +46,8 @@
46#include <linux/platform_device.h> 46#include <linux/platform_device.h>
47#include <linux/interrupt.h> 47#include <linux/interrupt.h>
48#include <linux/clk.h> 48#include <linux/clk.h>
49 49#include <linux/uaccess.h>
50#include <asm/uaccess.h> 50#include <linux/io.h>
51#include <asm/io.h>
52 51
53#include <asm/arch/map.h> 52#include <asm/arch/map.h>
54 53
@@ -65,8 +64,8 @@
65static int nowayout = WATCHDOG_NOWAYOUT; 64static int nowayout = WATCHDOG_NOWAYOUT;
66static int tmr_margin = CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME; 65static int tmr_margin = CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME;
67static int tmr_atboot = CONFIG_S3C2410_WATCHDOG_ATBOOT; 66static int tmr_atboot = CONFIG_S3C2410_WATCHDOG_ATBOOT;
68static int soft_noboot = 0; 67static int soft_noboot;
69static int debug = 0; 68static int debug;
70 69
71module_param(tmr_margin, int, 0); 70module_param(tmr_margin, int, 0);
72module_param(tmr_atboot, int, 0); 71module_param(tmr_atboot, int, 0);
@@ -74,24 +73,23 @@ module_param(nowayout, int, 0);
74module_param(soft_noboot, int, 0); 73module_param(soft_noboot, int, 0);
75module_param(debug, int, 0); 74module_param(debug, int, 0);
76 75
77MODULE_PARM_DESC(tmr_margin, "Watchdog tmr_margin in seconds. default=" __MODULE_STRING(CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME) ")"); 76MODULE_PARM_DESC(tmr_margin, "Watchdog tmr_margin in seconds. default="
78 77 __MODULE_STRING(CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME) ")");
79MODULE_PARM_DESC(tmr_atboot, "Watchdog is started at boot time if set to 1, default=" __MODULE_STRING(CONFIG_S3C2410_WATCHDOG_ATBOOT)); 78MODULE_PARM_DESC(tmr_atboot,
80 79 "Watchdog is started at boot time if set to 1, default="
81MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); 80 __MODULE_STRING(CONFIG_S3C2410_WATCHDOG_ATBOOT));
82 81MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
82 __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
83MODULE_PARM_DESC(soft_noboot, "Watchdog action, set to 1 to ignore reboots, 0 to reboot (default depends on ONLY_TESTING)"); 83MODULE_PARM_DESC(soft_noboot, "Watchdog action, set to 1 to ignore reboots, 0 to reboot (default depends on ONLY_TESTING)");
84
85MODULE_PARM_DESC(debug, "Watchdog debug, set to >1 for debug, (default 0)"); 84MODULE_PARM_DESC(debug, "Watchdog debug, set to >1 for debug, (default 0)");
86 85
87 86
88typedef enum close_state { 87typedef enum close_state {
89 CLOSE_STATE_NOT, 88 CLOSE_STATE_NOT,
90 CLOSE_STATE_ALLOW=0x4021 89 CLOSE_STATE_ALLOW = 0x4021
91} close_state_t; 90} close_state_t;
92 91
93static DECLARE_MUTEX(open_lock); 92static unsigned long open_lock;
94
95static struct device *wdt_dev; /* platform device attached to */ 93static struct device *wdt_dev; /* platform device attached to */
96static struct resource *wdt_mem; 94static struct resource *wdt_mem;
97static struct resource *wdt_irq; 95static struct resource *wdt_irq;
@@ -99,38 +97,58 @@ static struct clk *wdt_clock;
99static void __iomem *wdt_base; 97static void __iomem *wdt_base;
100static unsigned int wdt_count; 98static unsigned int wdt_count;
101static close_state_t allow_close; 99static close_state_t allow_close;
100static DEFINE_SPINLOCK(wdt_lock);
102 101
103/* watchdog control routines */ 102/* watchdog control routines */
104 103
105#define DBG(msg...) do { \ 104#define DBG(msg...) do { \
106 if (debug) \ 105 if (debug) \
107 printk(KERN_INFO msg); \ 106 printk(KERN_INFO msg); \
108 } while(0) 107 } while (0)
109 108
110/* functions */ 109/* functions */
111 110
112static int s3c2410wdt_keepalive(void) 111static void s3c2410wdt_keepalive(void)
113{ 112{
113 spin_lock(&wdt_lock);
114 writel(wdt_count, wdt_base + S3C2410_WTCNT); 114 writel(wdt_count, wdt_base + S3C2410_WTCNT);
115 return 0; 115 spin_unlock(&wdt_lock);
116} 116}
117 117
118static int s3c2410wdt_stop(void) 118static void __s3c2410wdt_stop(void)
119{ 119{
120 unsigned long wtcon; 120 unsigned long wtcon;
121 121
122 spin_lock(&wdt_lock);
122 wtcon = readl(wdt_base + S3C2410_WTCON); 123 wtcon = readl(wdt_base + S3C2410_WTCON);
123 wtcon &= ~(S3C2410_WTCON_ENABLE | S3C2410_WTCON_RSTEN); 124 wtcon &= ~(S3C2410_WTCON_ENABLE | S3C2410_WTCON_RSTEN);
124 writel(wtcon, wdt_base + S3C2410_WTCON); 125 writel(wtcon, wdt_base + S3C2410_WTCON);
126 spin_unlock(&wdt_lock);
127}
125 128
126 return 0; 129static void __s3c2410wdt_stop(void)
130{
131 unsigned long wtcon;
132
133 wtcon = readl(wdt_base + S3C2410_WTCON);
134 wtcon &= ~(S3C2410_WTCON_ENABLE | S3C2410_WTCON_RSTEN);
135 writel(wtcon, wdt_base + S3C2410_WTCON);
136}
137
138static void s3c2410wdt_stop(void)
139{
140 spin_lock(&wdt_lock);
141 __s3c2410wdt_stop();
142 spin_unlock(&wdt_lock);
127} 143}
128 144
129static int s3c2410wdt_start(void) 145static void s3c2410wdt_start(void)
130{ 146{
131 unsigned long wtcon; 147 unsigned long wtcon;
132 148
133 s3c2410wdt_stop(); 149 spin_lock(&wdt_lock);
150
151 __s3c2410wdt_stop();
134 152
135 wtcon = readl(wdt_base + S3C2410_WTCON); 153 wtcon = readl(wdt_base + S3C2410_WTCON);
136 wtcon |= S3C2410_WTCON_ENABLE | S3C2410_WTCON_DIV128; 154 wtcon |= S3C2410_WTCON_ENABLE | S3C2410_WTCON_DIV128;
@@ -149,6 +167,7 @@ static int s3c2410wdt_start(void)
149 writel(wdt_count, wdt_base + S3C2410_WTDAT); 167 writel(wdt_count, wdt_base + S3C2410_WTDAT);
150 writel(wdt_count, wdt_base + S3C2410_WTCNT); 168 writel(wdt_count, wdt_base + S3C2410_WTCNT);
151 writel(wtcon, wdt_base + S3C2410_WTCON); 169 writel(wtcon, wdt_base + S3C2410_WTCON);
170 spin_unlock(&wdt_lock);
152 171
153 return 0; 172 return 0;
154} 173}
@@ -211,7 +230,7 @@ static int s3c2410wdt_set_heartbeat(int timeout)
211 230
212static int s3c2410wdt_open(struct inode *inode, struct file *file) 231static int s3c2410wdt_open(struct inode *inode, struct file *file)
213{ 232{
214 if(down_trylock(&open_lock)) 233 if (test_and_set_bit(0, &open_lock))
215 return -EBUSY; 234 return -EBUSY;
216 235
217 if (nowayout) 236 if (nowayout)
@@ -231,15 +250,14 @@ static int s3c2410wdt_release(struct inode *inode, struct file *file)
231 * Lock it in if it's a module and we set nowayout 250 * Lock it in if it's a module and we set nowayout
232 */ 251 */
233 252
234 if (allow_close == CLOSE_STATE_ALLOW) { 253 if (allow_close == CLOSE_STATE_ALLOW)
235 s3c2410wdt_stop(); 254 s3c2410wdt_stop();
236 } else { 255 else {
237 dev_err(wdt_dev, "Unexpected close, not stopping watchdog\n"); 256 dev_err(wdt_dev, "Unexpected close, not stopping watchdog\n");
238 s3c2410wdt_keepalive(); 257 s3c2410wdt_keepalive();
239 } 258 }
240
241 allow_close = CLOSE_STATE_NOT; 259 allow_close = CLOSE_STATE_NOT;
242 up(&open_lock); 260 clear_bit(0, &open_lock);
243 return 0; 261 return 0;
244} 262}
245 263
@@ -249,7 +267,7 @@ static ssize_t s3c2410wdt_write(struct file *file, const char __user *data,
249 /* 267 /*
250 * Refresh the timer. 268 * Refresh the timer.
251 */ 269 */
252 if(len) { 270 if (len) {
253 if (!nowayout) { 271 if (!nowayout) {
254 size_t i; 272 size_t i;
255 273
@@ -265,7 +283,6 @@ static ssize_t s3c2410wdt_write(struct file *file, const char __user *data,
265 allow_close = CLOSE_STATE_ALLOW; 283 allow_close = CLOSE_STATE_ALLOW;
266 } 284 }
267 } 285 }
268
269 s3c2410wdt_keepalive(); 286 s3c2410wdt_keepalive();
270 } 287 }
271 return len; 288 return len;
@@ -273,48 +290,41 @@ static ssize_t s3c2410wdt_write(struct file *file, const char __user *data,
273 290
274#define OPTIONS WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE 291#define OPTIONS WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE
275 292
276static struct watchdog_info s3c2410_wdt_ident = { 293static const struct watchdog_info s3c2410_wdt_ident = {
277 .options = OPTIONS, 294 .options = OPTIONS,
278 .firmware_version = 0, 295 .firmware_version = 0,
279 .identity = "S3C2410 Watchdog", 296 .identity = "S3C2410 Watchdog",
280}; 297};
281 298
282 299
283static int s3c2410wdt_ioctl(struct inode *inode, struct file *file, 300static long s3c2410wdt_ioctl(struct file *file, unsigned int cmd,
284 unsigned int cmd, unsigned long arg) 301 unsigned long arg)
285{ 302{
286 void __user *argp = (void __user *)arg; 303 void __user *argp = (void __user *)arg;
287 int __user *p = argp; 304 int __user *p = argp;
288 int new_margin; 305 int new_margin;
289 306
290 switch (cmd) { 307 switch (cmd) {
291 default: 308 default:
292 return -ENOTTY; 309 return -ENOTTY;
293 310 case WDIOC_GETSUPPORT:
294 case WDIOC_GETSUPPORT: 311 return copy_to_user(argp, &s3c2410_wdt_ident,
295 return copy_to_user(argp, &s3c2410_wdt_ident, 312 sizeof(s3c2410_wdt_ident)) ? -EFAULT : 0;
296 sizeof(s3c2410_wdt_ident)) ? -EFAULT : 0; 313 case WDIOC_GETSTATUS:
297 314 case WDIOC_GETBOOTSTATUS:
298 case WDIOC_GETSTATUS: 315 return put_user(0, p);
299 case WDIOC_GETBOOTSTATUS: 316 case WDIOC_KEEPALIVE:
300 return put_user(0, p); 317 s3c2410wdt_keepalive();
301 318 return 0;
302 case WDIOC_KEEPALIVE: 319 case WDIOC_SETTIMEOUT:
303 s3c2410wdt_keepalive(); 320 if (get_user(new_margin, p))
304 return 0; 321 return -EFAULT;
305 322 if (s3c2410wdt_set_heartbeat(new_margin))
306 case WDIOC_SETTIMEOUT: 323 return -EINVAL;
307 if (get_user(new_margin, p)) 324 s3c2410wdt_keepalive();
308 return -EFAULT; 325 return put_user(tmr_margin, p);
309 326 case WDIOC_GETTIMEOUT:
310 if (s3c2410wdt_set_heartbeat(new_margin)) 327 return put_user(tmr_margin, p);
311 return -EINVAL;
312
313 s3c2410wdt_keepalive();
314 return put_user(tmr_margin, p);
315
316 case WDIOC_GETTIMEOUT:
317 return put_user(tmr_margin, p);
318 } 328 }
319} 329}
320 330
@@ -324,7 +334,7 @@ static const struct file_operations s3c2410wdt_fops = {
324 .owner = THIS_MODULE, 334 .owner = THIS_MODULE,
325 .llseek = no_llseek, 335 .llseek = no_llseek,
326 .write = s3c2410wdt_write, 336 .write = s3c2410wdt_write,
327 .ioctl = s3c2410wdt_ioctl, 337 .unlocked_ioctl = s3c2410wdt_ioctl,
328 .open = s3c2410wdt_open, 338 .open = s3c2410wdt_open,
329 .release = s3c2410wdt_release, 339 .release = s3c2410wdt_release,
330}; 340};
@@ -411,14 +421,15 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
411 * not, try the default value */ 421 * not, try the default value */
412 422
413 if (s3c2410wdt_set_heartbeat(tmr_margin)) { 423 if (s3c2410wdt_set_heartbeat(tmr_margin)) {
414 started = s3c2410wdt_set_heartbeat(CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME); 424 started = s3c2410wdt_set_heartbeat(
425 CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME);
415 426
416 if (started == 0) { 427 if (started == 0)
417 dev_info(dev,"tmr_margin value out of range, default %d used\n", 428 dev_info(dev,
429 "tmr_margin value out of range, default %d used\n",
418 CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME); 430 CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME);
419 } else { 431 else
420 dev_info(dev, "default timer value is out of range, cannot start\n"); 432 dev_info(dev, "default timer value is out of range, cannot start\n");
421 }
422 } 433 }
423 434
424 ret = misc_register(&s3c2410wdt_miscdev); 435 ret = misc_register(&s3c2410wdt_miscdev);
@@ -447,7 +458,7 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
447 (wtcon & S3C2410_WTCON_ENABLE) ? "" : "in", 458 (wtcon & S3C2410_WTCON_ENABLE) ? "" : "in",
448 (wtcon & S3C2410_WTCON_RSTEN) ? "" : "dis", 459 (wtcon & S3C2410_WTCON_RSTEN) ? "" : "dis",
449 (wtcon & S3C2410_WTCON_INTEN) ? "" : "en"); 460 (wtcon & S3C2410_WTCON_INTEN) ? "" : "en");
450 461
451 return 0; 462 return 0;
452 463
453 err_clk: 464 err_clk:
@@ -487,7 +498,7 @@ static int s3c2410wdt_remove(struct platform_device *dev)
487 498
488static void s3c2410wdt_shutdown(struct platform_device *dev) 499static void s3c2410wdt_shutdown(struct platform_device *dev)
489{ 500{
490 s3c2410wdt_stop(); 501 s3c2410wdt_stop();
491} 502}
492 503
493#ifdef CONFIG_PM 504#ifdef CONFIG_PM
@@ -540,7 +551,8 @@ static struct platform_driver s3c2410wdt_driver = {
540}; 551};
541 552
542 553
543static char banner[] __initdata = KERN_INFO "S3C2410 Watchdog Timer, (c) 2004 Simtec Electronics\n"; 554static char banner[] __initdata =
555 KERN_INFO "S3C2410 Watchdog Timer, (c) 2004 Simtec Electronics\n";
544 556
545static int __init watchdog_init(void) 557static int __init watchdog_init(void)
546{ 558{
diff --git a/drivers/watchdog/sc1200wdt.c b/drivers/watchdog/sc1200wdt.c
index 35cddff7020..621ebad56d8 100644
--- a/drivers/watchdog/sc1200wdt.c
+++ b/drivers/watchdog/sc1200wdt.c
@@ -15,14 +15,18 @@
15 * 15 *
16 * Changelog: 16 * Changelog:
17 * 20020220 Zwane Mwaikambo Code based on datasheet, no hardware. 17 * 20020220 Zwane Mwaikambo Code based on datasheet, no hardware.
18 * 20020221 Zwane Mwaikambo Cleanups as suggested by Jeff Garzik and Alan Cox. 18 * 20020221 Zwane Mwaikambo Cleanups as suggested by Jeff Garzik
19 * and Alan Cox.
19 * 20020222 Zwane Mwaikambo Added probing. 20 * 20020222 Zwane Mwaikambo Added probing.
20 * 20020225 Zwane Mwaikambo Added ISAPNP support. 21 * 20020225 Zwane Mwaikambo Added ISAPNP support.
21 * 20020412 Rob Radez Broke out start/stop functions 22 * 20020412 Rob Radez Broke out start/stop functions
22 * <rob@osinvestor.com> Return proper status instead of temperature warning 23 * <rob@osinvestor.com> Return proper status instead of
23 * Add WDIOC_GETBOOTSTATUS and WDIOC_SETOPTIONS ioctls 24 * temperature warning
25 * Add WDIOC_GETBOOTSTATUS and
26 * WDIOC_SETOPTIONS ioctls
24 * Fix CONFIG_WATCHDOG_NOWAYOUT 27 * Fix CONFIG_WATCHDOG_NOWAYOUT
25 * 20020530 Joel Becker Add Matt Domsch's nowayout module option 28 * 20020530 Joel Becker Add Matt Domsch's nowayout module
29 * option
26 * 20030116 Adam Belay Updated to the latest pnp code 30 * 20030116 Adam Belay Updated to the latest pnp code
27 * 31 *
28 */ 32 */
@@ -39,9 +43,8 @@
39#include <linux/pnp.h> 43#include <linux/pnp.h>
40#include <linux/fs.h> 44#include <linux/fs.h>
41#include <linux/semaphore.h> 45#include <linux/semaphore.h>
42 46#include <linux/io.h>
43#include <asm/io.h> 47#include <linux/uaccess.h>
44#include <asm/uaccess.h>
45 48
46#define SC1200_MODULE_VER "build 20020303" 49#define SC1200_MODULE_VER "build 20020303"
47#define SC1200_MODULE_NAME "sc1200wdt" 50#define SC1200_MODULE_NAME "sc1200wdt"
@@ -72,7 +75,7 @@ static char banner[] __initdata = KERN_INFO PFX SC1200_MODULE_VER;
72static int timeout = 1; 75static int timeout = 1;
73static int io = -1; 76static int io = -1;
74static int io_len = 2; /* for non plug and play */ 77static int io_len = 2; /* for non plug and play */
75static struct semaphore open_sem; 78static unsigned long open_flag;
76static char expect_close; 79static char expect_close;
77static DEFINE_SPINLOCK(sc1200wdt_lock); /* io port access serialisation */ 80static DEFINE_SPINLOCK(sc1200wdt_lock); /* io port access serialisation */
78 81
@@ -81,7 +84,8 @@ static int isapnp = 1;
81static struct pnp_dev *wdt_dev; 84static struct pnp_dev *wdt_dev;
82 85
83module_param(isapnp, int, 0); 86module_param(isapnp, int, 0);
84MODULE_PARM_DESC(isapnp, "When set to 0 driver ISA PnP support will be disabled"); 87MODULE_PARM_DESC(isapnp,
88 "When set to 0 driver ISA PnP support will be disabled");
85#endif 89#endif
86 90
87module_param(io, int, 0); 91module_param(io, int, 0);
@@ -91,26 +95,40 @@ MODULE_PARM_DESC(timeout, "range is 0-255 minutes, default is 1");
91 95
92static int nowayout = WATCHDOG_NOWAYOUT; 96static int nowayout = WATCHDOG_NOWAYOUT;
93module_param(nowayout, int, 0); 97module_param(nowayout, int, 0);
94MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); 98MODULE_PARM_DESC(nowayout,
99 "Watchdog cannot be stopped once started (default="
100 __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
95 101
96 102
97 103
98/* Read from Data Register */ 104/* Read from Data Register */
99static inline void sc1200wdt_read_data(unsigned char index, unsigned char *data) 105static inline void __sc1200wdt_read_data(unsigned char index,
106 unsigned char *data)
100{ 107{
101 spin_lock(&sc1200wdt_lock);
102 outb_p(index, PMIR); 108 outb_p(index, PMIR);
103 *data = inb(PMDR); 109 *data = inb(PMDR);
104 spin_unlock(&sc1200wdt_lock);
105} 110}
106 111
112static void sc1200wdt_read_data(unsigned char index, unsigned char *data)
113{
114 spin_lock(&sc1200wdt_lock);
115 __sc1200wdt_read_data(index, data);
116 spin_unlock(&sc1200wdt_lock);
117}
107 118
108/* Write to Data Register */ 119/* Write to Data Register */
109static inline void sc1200wdt_write_data(unsigned char index, unsigned char data) 120static inline void __sc1200wdt_write_data(unsigned char index,
121 unsigned char data)
110{ 122{
111 spin_lock(&sc1200wdt_lock);
112 outb_p(index, PMIR); 123 outb_p(index, PMIR);
113 outb(data, PMDR); 124 outb(data, PMDR);
125}
126
127static inline void sc1200wdt_write_data(unsigned char index,
128 unsigned char data)
129{
130 spin_lock(&sc1200wdt_lock);
131 __sc1200wdt_write_data(index, data);
114 spin_unlock(&sc1200wdt_lock); 132 spin_unlock(&sc1200wdt_lock);
115} 133}
116 134
@@ -118,22 +136,23 @@ static inline void sc1200wdt_write_data(unsigned char index, unsigned char data)
118static void sc1200wdt_start(void) 136static void sc1200wdt_start(void)
119{ 137{
120 unsigned char reg; 138 unsigned char reg;
139 spin_lock(&sc1200wdt_lock);
121 140
122 sc1200wdt_read_data(WDCF, &reg); 141 __sc1200wdt_read_data(WDCF, &reg);
123 /* assert WDO when any of the following interrupts are triggered too */ 142 /* assert WDO when any of the following interrupts are triggered too */
124 reg |= (KBC_IRQ | MSE_IRQ | UART1_IRQ | UART2_IRQ); 143 reg |= (KBC_IRQ | MSE_IRQ | UART1_IRQ | UART2_IRQ);
125 sc1200wdt_write_data(WDCF, reg); 144 __sc1200wdt_write_data(WDCF, reg);
126 /* set the timeout and get the ball rolling */ 145 /* set the timeout and get the ball rolling */
127 sc1200wdt_write_data(WDTO, timeout); 146 __sc1200wdt_write_data(WDTO, timeout);
128}
129 147
148 spin_unlock(&sc1200wdt_lock);
149}
130 150
131static void sc1200wdt_stop(void) 151static void sc1200wdt_stop(void)
132{ 152{
133 sc1200wdt_write_data(WDTO, 0); 153 sc1200wdt_write_data(WDTO, 0);
134} 154}
135 155
136
137/* This returns the status of the WDO signal, inactive high. */ 156/* This returns the status of the WDO signal, inactive high. */
138static inline int sc1200wdt_status(void) 157static inline int sc1200wdt_status(void)
139{ 158{
@@ -144,14 +163,13 @@ static inline int sc1200wdt_status(void)
144 * KEEPALIVEPING which is a bit of a kludge because there's nothing 163 * KEEPALIVEPING which is a bit of a kludge because there's nothing
145 * else for enabled/disabled status 164 * else for enabled/disabled status
146 */ 165 */
147 return (ret & 0x01) ? 0 : WDIOF_KEEPALIVEPING; /* bits 1 - 7 are undefined */ 166 return (ret & 0x01) ? 0 : WDIOF_KEEPALIVEPING;
148} 167}
149 168
150
151static int sc1200wdt_open(struct inode *inode, struct file *file) 169static int sc1200wdt_open(struct inode *inode, struct file *file)
152{ 170{
153 /* allow one at a time */ 171 /* allow one at a time */
154 if (down_trylock(&open_sem)) 172 if (test_and_set_bit(0, &open_flag))
155 return -EBUSY; 173 return -EBUSY;
156 174
157 if (timeout > MAX_TIMEOUT) 175 if (timeout > MAX_TIMEOUT)
@@ -164,71 +182,71 @@ static int sc1200wdt_open(struct inode *inode, struct file *file)
164} 182}
165 183
166 184
167static int sc1200wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) 185static long sc1200wdt_ioctl(struct file *file, unsigned int cmd,
186 unsigned long arg)
168{ 187{
169 int new_timeout; 188 int new_timeout;
170 void __user *argp = (void __user *)arg; 189 void __user *argp = (void __user *)arg;
171 int __user *p = argp; 190 int __user *p = argp;
172 static struct watchdog_info ident = { 191 static const struct watchdog_info ident = {
173 .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE, 192 .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT |
193 WDIOF_MAGICCLOSE,
174 .firmware_version = 0, 194 .firmware_version = 0,
175 .identity = "PC87307/PC97307", 195 .identity = "PC87307/PC97307",
176 }; 196 };
177 197
178 switch (cmd) { 198 switch (cmd) {
179 default:
180 return -ENOTTY;
181
182 case WDIOC_GETSUPPORT:
183 if (copy_to_user(argp, &ident, sizeof ident))
184 return -EFAULT;
185 return 0;
186
187 case WDIOC_GETSTATUS:
188 return put_user(sc1200wdt_status(), p);
189
190 case WDIOC_GETBOOTSTATUS:
191 return put_user(0, p);
192
193 case WDIOC_KEEPALIVE:
194 sc1200wdt_write_data(WDTO, timeout);
195 return 0;
196 199
197 case WDIOC_SETTIMEOUT: 200 case WDIOC_GETSUPPORT:
198 if (get_user(new_timeout, p)) 201 if (copy_to_user(argp, &ident, sizeof ident))
199 return -EFAULT; 202 return -EFAULT;
203 return 0;
200 204
201 /* the API states this is given in secs */ 205 case WDIOC_GETSTATUS:
202 new_timeout /= 60; 206 return put_user(sc1200wdt_status(), p);
203 if (new_timeout < 0 || new_timeout > MAX_TIMEOUT)
204 return -EINVAL;
205 207
206 timeout = new_timeout; 208 case WDIOC_GETBOOTSTATUS:
207 sc1200wdt_write_data(WDTO, timeout); 209 return put_user(0, p);
208 /* fall through and return the new timeout */
209 210
210 case WDIOC_GETTIMEOUT: 211 case WDIOC_KEEPALIVE:
211 return put_user(timeout * 60, p); 212 sc1200wdt_write_data(WDTO, timeout);
213 return 0;
214
215 case WDIOC_SETTIMEOUT:
216 if (get_user(new_timeout, p))
217 return -EFAULT;
218 /* the API states this is given in secs */
219 new_timeout /= 60;
220 if (new_timeout < 0 || new_timeout > MAX_TIMEOUT)
221 return -EINVAL;
222 timeout = new_timeout;
223 sc1200wdt_write_data(WDTO, timeout);
224 /* fall through and return the new timeout */
212 225
213 case WDIOC_SETOPTIONS: 226 case WDIOC_GETTIMEOUT:
214 { 227 return put_user(timeout * 60, p);
215 int options, retval = -EINVAL;
216 228
217 if (get_user(options, p)) 229 case WDIOC_SETOPTIONS:
218 return -EFAULT; 230 {
231 int options, retval = -EINVAL;
219 232
220 if (options & WDIOS_DISABLECARD) { 233 if (get_user(options, p))
221 sc1200wdt_stop(); 234 return -EFAULT;
222 retval = 0;
223 }
224 235
225 if (options & WDIOS_ENABLECARD) { 236 if (options & WDIOS_DISABLECARD) {
226 sc1200wdt_start(); 237 sc1200wdt_stop();
227 retval = 0; 238 retval = 0;
228 } 239 }
229 240
230 return retval; 241 if (options & WDIOS_ENABLECARD) {
242 sc1200wdt_start();
243 retval = 0;
231 } 244 }
245
246 return retval;
247 }
248 default:
249 return -ENOTTY;
232 } 250 }
233} 251}
234 252
@@ -240,16 +258,18 @@ static int sc1200wdt_release(struct inode *inode, struct file *file)
240 printk(KERN_INFO PFX "Watchdog disabled\n"); 258 printk(KERN_INFO PFX "Watchdog disabled\n");
241 } else { 259 } else {
242 sc1200wdt_write_data(WDTO, timeout); 260 sc1200wdt_write_data(WDTO, timeout);
243 printk(KERN_CRIT PFX "Unexpected close!, timeout = %d min(s)\n", timeout); 261 printk(KERN_CRIT PFX
262 "Unexpected close!, timeout = %d min(s)\n", timeout);
244 } 263 }
245 up(&open_sem); 264 clear_bit(0, &open_flag);
246 expect_close = 0; 265 expect_close = 0;
247 266
248 return 0; 267 return 0;
249} 268}
250 269
251 270
252static ssize_t sc1200wdt_write(struct file *file, const char __user *data, size_t len, loff_t *ppos) 271static ssize_t sc1200wdt_write(struct file *file, const char __user *data,
272 size_t len, loff_t *ppos)
253{ 273{
254 if (len) { 274 if (len) {
255 if (!nowayout) { 275 if (!nowayout) {
@@ -275,7 +295,8 @@ static ssize_t sc1200wdt_write(struct file *file, const char __user *data, size_
275} 295}
276 296
277 297
278static int sc1200wdt_notify_sys(struct notifier_block *this, unsigned long code, void *unused) 298static int sc1200wdt_notify_sys(struct notifier_block *this,
299 unsigned long code, void *unused)
279{ 300{
280 if (code == SYS_DOWN || code == SYS_HALT) 301 if (code == SYS_DOWN || code == SYS_HALT)
281 sc1200wdt_stop(); 302 sc1200wdt_stop();
@@ -284,23 +305,20 @@ static int sc1200wdt_notify_sys(struct notifier_block *this, unsigned long code,
284} 305}
285 306
286 307
287static struct notifier_block sc1200wdt_notifier = 308static struct notifier_block sc1200wdt_notifier = {
288{
289 .notifier_call = sc1200wdt_notify_sys, 309 .notifier_call = sc1200wdt_notify_sys,
290}; 310};
291 311
292static const struct file_operations sc1200wdt_fops = 312static const struct file_operations sc1200wdt_fops = {
293{
294 .owner = THIS_MODULE, 313 .owner = THIS_MODULE,
295 .llseek = no_llseek, 314 .llseek = no_llseek,
296 .write = sc1200wdt_write, 315 .write = sc1200wdt_write,
297 .ioctl = sc1200wdt_ioctl, 316 .unlocked_ioctl = sc1200wdt_ioctl,
298 .open = sc1200wdt_open, 317 .open = sc1200wdt_open,
299 .release = sc1200wdt_release, 318 .release = sc1200wdt_release,
300}; 319};
301 320
302static struct miscdevice sc1200wdt_miscdev = 321static struct miscdevice sc1200wdt_miscdev = {
303{
304 .minor = WATCHDOG_MINOR, 322 .minor = WATCHDOG_MINOR,
305 .name = "watchdog", 323 .name = "watchdog",
306 .fops = &sc1200wdt_fops, 324 .fops = &sc1200wdt_fops,
@@ -312,14 +330,14 @@ static int __init sc1200wdt_probe(void)
312 /* The probe works by reading the PMC3 register's default value of 0x0e 330 /* The probe works by reading the PMC3 register's default value of 0x0e
313 * there is one caveat, if the device disables the parallel port or any 331 * there is one caveat, if the device disables the parallel port or any
314 * of the UARTs we won't be able to detect it. 332 * of the UARTs we won't be able to detect it.
315 * Nb. This could be done with accuracy by reading the SID registers, but 333 * NB. This could be done with accuracy by reading the SID registers,
316 * we don't have access to those io regions. 334 * but we don't have access to those io regions.
317 */ 335 */
318 336
319 unsigned char reg; 337 unsigned char reg;
320 338
321 sc1200wdt_read_data(PMC3, &reg); 339 sc1200wdt_read_data(PMC3, &reg);
322 reg &= 0x0f; /* we don't want the UART busy bits */ 340 reg &= 0x0f; /* we don't want the UART busy bits */
323 return (reg == 0x0e) ? 0 : -ENODEV; 341 return (reg == 0x0e) ? 0 : -ENODEV;
324} 342}
325 343
@@ -332,7 +350,8 @@ static struct pnp_device_id scl200wdt_pnp_devices[] = {
332 {.id = ""}, 350 {.id = ""},
333}; 351};
334 352
335static int scl200wdt_pnp_probe(struct pnp_dev * dev, const struct pnp_device_id *dev_id) 353static int scl200wdt_pnp_probe(struct pnp_dev *dev,
354 const struct pnp_device_id *dev_id)
336{ 355{
337 /* this driver only supports one card at a time */ 356 /* this driver only supports one card at a time */
338 if (wdt_dev || !isapnp) 357 if (wdt_dev || !isapnp)
@@ -347,13 +366,14 @@ static int scl200wdt_pnp_probe(struct pnp_dev * dev, const struct pnp_device_id
347 return -EBUSY; 366 return -EBUSY;
348 } 367 }
349 368
350 printk(KERN_INFO "scl200wdt: PnP device found at io port %#x/%d\n", io, io_len); 369 printk(KERN_INFO "scl200wdt: PnP device found at io port %#x/%d\n",
370 io, io_len);
351 return 0; 371 return 0;
352} 372}
353 373
354static void scl200wdt_pnp_remove(struct pnp_dev * dev) 374static void scl200wdt_pnp_remove(struct pnp_dev *dev)
355{ 375{
356 if (wdt_dev){ 376 if (wdt_dev) {
357 release_region(io, io_len); 377 release_region(io, io_len);
358 wdt_dev = NULL; 378 wdt_dev = NULL;
359 } 379 }
@@ -375,8 +395,6 @@ static int __init sc1200wdt_init(void)
375 395
376 printk("%s\n", banner); 396 printk("%s\n", banner);
377 397
378 sema_init(&open_sem, 1);
379
380#if defined CONFIG_PNP 398#if defined CONFIG_PNP
381 if (isapnp) { 399 if (isapnp) {
382 ret = pnp_register_driver(&scl200wdt_pnp_driver); 400 ret = pnp_register_driver(&scl200wdt_pnp_driver);
@@ -410,13 +428,16 @@ static int __init sc1200wdt_init(void)
410 428
411 ret = register_reboot_notifier(&sc1200wdt_notifier); 429 ret = register_reboot_notifier(&sc1200wdt_notifier);
412 if (ret) { 430 if (ret) {
413 printk(KERN_ERR PFX "Unable to register reboot notifier err = %d\n", ret); 431 printk(KERN_ERR PFX
432 "Unable to register reboot notifier err = %d\n", ret);
414 goto out_io; 433 goto out_io;
415 } 434 }
416 435
417 ret = misc_register(&sc1200wdt_miscdev); 436 ret = misc_register(&sc1200wdt_miscdev);
418 if (ret) { 437 if (ret) {
419 printk(KERN_ERR PFX "Unable to register miscdev on minor %d\n", WATCHDOG_MINOR); 438 printk(KERN_ERR PFX
439 "Unable to register miscdev on minor %d\n",
440 WATCHDOG_MINOR);
420 goto out_rbt; 441 goto out_rbt;
421 } 442 }
422 443
@@ -446,7 +467,7 @@ static void __exit sc1200wdt_exit(void)
446 unregister_reboot_notifier(&sc1200wdt_notifier); 467 unregister_reboot_notifier(&sc1200wdt_notifier);
447 468
448#if defined CONFIG_PNP 469#if defined CONFIG_PNP
449 if(isapnp) 470 if (isapnp)
450 pnp_unregister_driver(&scl200wdt_pnp_driver); 471 pnp_unregister_driver(&scl200wdt_pnp_driver);
451 else 472 else
452#endif 473#endif
diff --git a/drivers/watchdog/wdt.c b/drivers/watchdog/wdt.c
index 756fb15fdce..53a6b18bcb9 100644
--- a/drivers/watchdog/wdt.c
+++ b/drivers/watchdog/wdt.c
@@ -24,9 +24,10 @@
24 * Matt Crocker). 24 * Matt Crocker).
25 * Alan Cox : Added wdt= boot option 25 * Alan Cox : Added wdt= boot option
26 * Alan Cox : Cleaned up copy/user stuff 26 * Alan Cox : Cleaned up copy/user stuff
27 * Tim Hockin : Added insmod parameters, comment cleanup 27 * Tim Hockin : Added insmod parameters, comment
28 * Parameterized timeout 28 * cleanup, parameterized timeout
29 * Tigran Aivazian : Restructured wdt_init() to handle failures 29 * Tigran Aivazian : Restructured wdt_init() to handle
30 * failures
30 * Joel Becker : Added WDIOC_GET/SETTIMEOUT 31 * Joel Becker : Added WDIOC_GET/SETTIMEOUT
31 * Matt Domsch : Added nowayout module option 32 * Matt Domsch : Added nowayout module option
32 */ 33 */
@@ -42,9 +43,9 @@
42#include <linux/notifier.h> 43#include <linux/notifier.h>
43#include <linux/reboot.h> 44#include <linux/reboot.h>
44#include <linux/init.h> 45#include <linux/init.h>
46#include <linux/io.h>
47#include <linux/uaccess.h>
45 48
46#include <asm/io.h>
47#include <asm/uaccess.h>
48#include <asm/system.h> 49#include <asm/system.h>
49#include "wd501p.h" 50#include "wd501p.h"
50 51
@@ -60,15 +61,19 @@ static char expect_close;
60static int heartbeat = WD_TIMO; 61static int heartbeat = WD_TIMO;
61static int wd_heartbeat; 62static int wd_heartbeat;
62module_param(heartbeat, int, 0); 63module_param(heartbeat, int, 0);
63MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (0<heartbeat<65536, default=" __MODULE_STRING(WD_TIMO) ")"); 64MODULE_PARM_DESC(heartbeat,
65 "Watchdog heartbeat in seconds. (0 < heartbeat < 65536, default="
66 __MODULE_STRING(WD_TIMO) ")");
64 67
65static int nowayout = WATCHDOG_NOWAYOUT; 68static int nowayout = WATCHDOG_NOWAYOUT;
66module_param(nowayout, int, 0); 69module_param(nowayout, int, 0);
67MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); 70MODULE_PARM_DESC(nowayout,
71 "Watchdog cannot be stopped once started (default="
72 __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
68 73
69/* You must set these - there is no sane way to probe for this board. */ 74/* You must set these - there is no sane way to probe for this board. */
70static int io=0x240; 75static int io = 0x240;
71static int irq=11; 76static int irq = 11;
72 77
73static DEFINE_SPINLOCK(wdt_lock); 78static DEFINE_SPINLOCK(wdt_lock);
74 79
@@ -82,7 +87,8 @@ MODULE_PARM_DESC(irq, "WDT irq (default=11)");
82static int tachometer; 87static int tachometer;
83 88
84module_param(tachometer, int, 0); 89module_param(tachometer, int, 0);
85MODULE_PARM_DESC(tachometer, "WDT501-P Fan Tachometer support (0=disable, default=0)"); 90MODULE_PARM_DESC(tachometer,
91 "WDT501-P Fan Tachometer support (0=disable, default=0)");
86#endif /* CONFIG_WDT_501 */ 92#endif /* CONFIG_WDT_501 */
87 93
88/* 94/*
@@ -91,9 +97,9 @@ MODULE_PARM_DESC(tachometer, "WDT501-P Fan Tachometer support (0=disable, defaul
91 97
92static void wdt_ctr_mode(int ctr, int mode) 98static void wdt_ctr_mode(int ctr, int mode)
93{ 99{
94 ctr<<=6; 100 ctr <<= 6;
95 ctr|=0x30; 101 ctr |= 0x30;
96 ctr|=(mode<<1); 102 ctr |= (mode << 1);
97 outb_p(ctr, WDT_CR); 103 outb_p(ctr, WDT_CR);
98} 104}
99 105
@@ -114,12 +120,15 @@ static int wdt_start(void)
114 unsigned long flags; 120 unsigned long flags;
115 spin_lock_irqsave(&wdt_lock, flags); 121 spin_lock_irqsave(&wdt_lock, flags);
116 inb_p(WDT_DC); /* Disable watchdog */ 122 inb_p(WDT_DC); /* Disable watchdog */
117 wdt_ctr_mode(0,3); /* Program CTR0 for Mode 3: Square Wave Generator */ 123 wdt_ctr_mode(0, 3); /* Program CTR0 for Mode 3:
118 wdt_ctr_mode(1,2); /* Program CTR1 for Mode 2: Rate Generator */ 124 Square Wave Generator */
119 wdt_ctr_mode(2,0); /* Program CTR2 for Mode 0: Pulse on Terminal Count */ 125 wdt_ctr_mode(1, 2); /* Program CTR1 for Mode 2:
126 Rate Generator */
127 wdt_ctr_mode(2, 0); /* Program CTR2 for Mode 0:
128 Pulse on Terminal Count */
120 wdt_ctr_load(0, 8948); /* Count at 100Hz */ 129 wdt_ctr_load(0, 8948); /* Count at 100Hz */
121 wdt_ctr_load(1,wd_heartbeat); /* Heartbeat */ 130 wdt_ctr_load(1, wd_heartbeat); /* Heartbeat */
122 wdt_ctr_load(2,65535); /* Length of reset pulse */ 131 wdt_ctr_load(2, 65535); /* Length of reset pulse */
123 outb_p(0, WDT_DC); /* Enable watchdog */ 132 outb_p(0, WDT_DC); /* Enable watchdog */
124 spin_unlock_irqrestore(&wdt_lock, flags); 133 spin_unlock_irqrestore(&wdt_lock, flags);
125 return 0; 134 return 0;
@@ -131,13 +140,13 @@ static int wdt_start(void)
131 * Stop the watchdog driver. 140 * Stop the watchdog driver.
132 */ 141 */
133 142
134static int wdt_stop (void) 143static int wdt_stop(void)
135{ 144{
136 unsigned long flags; 145 unsigned long flags;
137 spin_lock_irqsave(&wdt_lock, flags); 146 spin_lock_irqsave(&wdt_lock, flags);
138 /* Turn the card off */ 147 /* Turn the card off */
139 inb_p(WDT_DC); /* Disable watchdog */ 148 inb_p(WDT_DC); /* Disable watchdog */
140 wdt_ctr_load(2,0); /* 0 length reset pulses now */ 149 wdt_ctr_load(2, 0); /* 0 length reset pulses now */
141 spin_unlock_irqrestore(&wdt_lock, flags); 150 spin_unlock_irqrestore(&wdt_lock, flags);
142 return 0; 151 return 0;
143} 152}
@@ -145,8 +154,8 @@ static int wdt_stop (void)
145/** 154/**
146 * wdt_ping: 155 * wdt_ping:
147 * 156 *
148 * Reload counter one with the watchdog heartbeat. We don't bother reloading 157 * Reload counter one with the watchdog heartbeat. We don't bother
149 * the cascade counter. 158 * reloading the cascade counter.
150 */ 159 */
151 160
152static int wdt_ping(void) 161static int wdt_ping(void)
@@ -155,8 +164,9 @@ static int wdt_ping(void)
155 spin_lock_irqsave(&wdt_lock, flags); 164 spin_lock_irqsave(&wdt_lock, flags);
156 /* Write a watchdog value */ 165 /* Write a watchdog value */
157 inb_p(WDT_DC); /* Disable watchdog */ 166 inb_p(WDT_DC); /* Disable watchdog */
158 wdt_ctr_mode(1,2); /* Re-Program CTR1 for Mode 2: Rate Generator */ 167 wdt_ctr_mode(1, 2); /* Re-Program CTR1 for Mode 2:
159 wdt_ctr_load(1,wd_heartbeat); /* Heartbeat */ 168 Rate Generator */
169 wdt_ctr_load(1, wd_heartbeat); /* Heartbeat */
160 outb_p(0, WDT_DC); /* Enable watchdog */ 170 outb_p(0, WDT_DC); /* Enable watchdog */
161 spin_unlock_irqrestore(&wdt_lock, flags); 171 spin_unlock_irqrestore(&wdt_lock, flags);
162 return 0; 172 return 0;
@@ -166,13 +176,14 @@ static int wdt_ping(void)
166 * wdt_set_heartbeat: 176 * wdt_set_heartbeat:
167 * @t: the new heartbeat value that needs to be set. 177 * @t: the new heartbeat value that needs to be set.
168 * 178 *
169 * Set a new heartbeat value for the watchdog device. If the heartbeat value is 179 * Set a new heartbeat value for the watchdog device. If the heartbeat
170 * incorrect we keep the old value and return -EINVAL. If successfull we 180 * value is incorrect we keep the old value and return -EINVAL. If
171 * return 0. 181 * successful we return 0.
172 */ 182 */
183
173static int wdt_set_heartbeat(int t) 184static int wdt_set_heartbeat(int t)
174{ 185{
175 if ((t < 1) || (t > 65535)) 186 if (t < 1 || t > 65535)
176 return -EINVAL; 187 return -EINVAL;
177 188
178 heartbeat = t; 189 heartbeat = t;
@@ -200,7 +211,7 @@ static int wdt_get_status(int *status)
200 new_status = inb_p(WDT_SR); 211 new_status = inb_p(WDT_SR);
201 spin_unlock_irqrestore(&wdt_lock, flags); 212 spin_unlock_irqrestore(&wdt_lock, flags);
202 213
203 *status=0; 214 *status = 0;
204 if (new_status & WDC_SR_ISOI0) 215 if (new_status & WDC_SR_ISOI0)
205 *status |= WDIOF_EXTERN1; 216 *status |= WDIOF_EXTERN1;
206 if (new_status & WDC_SR_ISII1) 217 if (new_status & WDC_SR_ISII1)
@@ -266,7 +277,7 @@ static irqreturn_t wdt_interrupt(int irq, void *dev_id)
266 277
267#ifdef CONFIG_WDT_501 278#ifdef CONFIG_WDT_501
268 if (!(status & WDC_SR_TGOOD)) 279 if (!(status & WDC_SR_TGOOD))
269 printk(KERN_CRIT "Overheat alarm.(%d)\n",inb_p(WDT_RT)); 280 printk(KERN_CRIT "Overheat alarm.(%d)\n", inb_p(WDT_RT));
270 if (!(status & WDC_SR_PSUOVER)) 281 if (!(status & WDC_SR_PSUOVER))
271 printk(KERN_CRIT "PSU over voltage.\n"); 282 printk(KERN_CRIT "PSU over voltage.\n");
272 if (!(status & WDC_SR_PSUUNDR)) 283 if (!(status & WDC_SR_PSUUNDR))
@@ -304,9 +315,10 @@ static irqreturn_t wdt_interrupt(int irq, void *dev_id)
304 * write of data will do, as we we don't define content meaning. 315 * write of data will do, as we we don't define content meaning.
305 */ 316 */
306 317
307static ssize_t wdt_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) 318static ssize_t wdt_write(struct file *file, const char __user *buf,
319 size_t count, loff_t *ppos)
308{ 320{
309 if(count) { 321 if (count) {
310 if (!nowayout) { 322 if (!nowayout) {
311 size_t i; 323 size_t i;
312 324
@@ -328,7 +340,6 @@ static ssize_t wdt_write(struct file *file, const char __user *buf, size_t count
328 340
329/** 341/**
330 * wdt_ioctl: 342 * wdt_ioctl:
331 * @inode: inode of the device
332 * @file: file handle to the device 343 * @file: file handle to the device
333 * @cmd: watchdog command 344 * @cmd: watchdog command
334 * @arg: argument pointer 345 * @arg: argument pointer
@@ -338,8 +349,7 @@ static ssize_t wdt_write(struct file *file, const char __user *buf, size_t count
338 * querying capabilities and current status. 349 * querying capabilities and current status.
339 */ 350 */
340 351
341static int wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, 352static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
342 unsigned long arg)
343{ 353{
344 void __user *argp = (void __user *)arg; 354 void __user *argp = (void __user *)arg;
345 int __user *p = argp; 355 int __user *p = argp;
@@ -362,32 +372,28 @@ static int wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
362 ident.options |= WDIOF_FANFAULT; 372 ident.options |= WDIOF_FANFAULT;
363#endif /* CONFIG_WDT_501 */ 373#endif /* CONFIG_WDT_501 */
364 374
365 switch(cmd) 375 switch (cmd) {
366 { 376 default:
367 default: 377 return -ENOTTY;
368 return -ENOTTY; 378 case WDIOC_GETSUPPORT:
369 case WDIOC_GETSUPPORT: 379 return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
370 return copy_to_user(argp, &ident, sizeof(ident))?-EFAULT:0; 380 case WDIOC_GETSTATUS:
371 381 wdt_get_status(&status);
372 case WDIOC_GETSTATUS: 382 return put_user(status, p);
373 wdt_get_status(&status); 383 case WDIOC_GETBOOTSTATUS:
374 return put_user(status, p); 384 return put_user(0, p);
375 case WDIOC_GETBOOTSTATUS: 385 case WDIOC_KEEPALIVE:
376 return put_user(0, p); 386 wdt_ping();
377 case WDIOC_KEEPALIVE: 387 return 0;
378 wdt_ping(); 388 case WDIOC_SETTIMEOUT:
379 return 0; 389 if (get_user(new_heartbeat, p))
380 case WDIOC_SETTIMEOUT: 390 return -EFAULT;
381 if (get_user(new_heartbeat, p)) 391 if (wdt_set_heartbeat(new_heartbeat))
382 return -EFAULT; 392 return -EINVAL;
383 393 wdt_ping();
384 if (wdt_set_heartbeat(new_heartbeat)) 394 /* Fall */
385 return -EINVAL; 395 case WDIOC_GETTIMEOUT:
386 396 return put_user(heartbeat, p);
387 wdt_ping();
388 /* Fall */
389 case WDIOC_GETTIMEOUT:
390 return put_user(heartbeat, p);
391 } 397 }
392} 398}
393 399
@@ -405,7 +411,7 @@ static int wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
405 411
406static int wdt_open(struct inode *inode, struct file *file) 412static int wdt_open(struct inode *inode, struct file *file)
407{ 413{
408 if(test_and_set_bit(0, &wdt_is_open)) 414 if (test_and_set_bit(0, &wdt_is_open))
409 return -EBUSY; 415 return -EBUSY;
410 /* 416 /*
411 * Activate 417 * Activate
@@ -432,7 +438,8 @@ static int wdt_release(struct inode *inode, struct file *file)
432 wdt_stop(); 438 wdt_stop();
433 clear_bit(0, &wdt_is_open); 439 clear_bit(0, &wdt_is_open);
434 } else { 440 } else {
435 printk(KERN_CRIT "wdt: WDT device closed unexpectedly. WDT will not stop!\n"); 441 printk(KERN_CRIT
442 "wdt: WDT device closed unexpectedly. WDT will not stop!\n");
436 wdt_ping(); 443 wdt_ping();
437 } 444 }
438 expect_close = 0; 445 expect_close = 0;
@@ -451,14 +458,15 @@ static int wdt_release(struct inode *inode, struct file *file)
451 * farenheit. It was designed by an imperial measurement luddite. 458 * farenheit. It was designed by an imperial measurement luddite.
452 */ 459 */
453 460
454static ssize_t wdt_temp_read(struct file *file, char __user *buf, size_t count, loff_t *ptr) 461static ssize_t wdt_temp_read(struct file *file, char __user *buf,
462 size_t count, loff_t *ptr)
455{ 463{
456 int temperature; 464 int temperature;
457 465
458 if (wdt_get_temperature(&temperature)) 466 if (wdt_get_temperature(&temperature))
459 return -EFAULT; 467 return -EFAULT;
460 468
461 if (copy_to_user (buf, &temperature, 1)) 469 if (copy_to_user(buf, &temperature, 1))
462 return -EFAULT; 470 return -EFAULT;
463 471
464 return 1; 472 return 1;
@@ -506,10 +514,8 @@ static int wdt_temp_release(struct inode *inode, struct file *file)
506static int wdt_notify_sys(struct notifier_block *this, unsigned long code, 514static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
507 void *unused) 515 void *unused)
508{ 516{
509 if(code==SYS_DOWN || code==SYS_HALT) { 517 if (code == SYS_DOWN || code == SYS_HALT)
510 /* Turn the card off */
511 wdt_stop(); 518 wdt_stop();
512 }
513 return NOTIFY_DONE; 519 return NOTIFY_DONE;
514} 520}
515 521
@@ -522,7 +528,7 @@ static const struct file_operations wdt_fops = {
522 .owner = THIS_MODULE, 528 .owner = THIS_MODULE,
523 .llseek = no_llseek, 529 .llseek = no_llseek,
524 .write = wdt_write, 530 .write = wdt_write,
525 .ioctl = wdt_ioctl, 531 .unlocked_ioctl = wdt_ioctl,
526 .open = wdt_open, 532 .open = wdt_open,
527 .release = wdt_release, 533 .release = wdt_release,
528}; 534};
@@ -576,7 +582,7 @@ static void __exit wdt_exit(void)
576#endif /* CONFIG_WDT_501 */ 582#endif /* CONFIG_WDT_501 */
577 unregister_reboot_notifier(&wdt_notifier); 583 unregister_reboot_notifier(&wdt_notifier);
578 free_irq(irq, NULL); 584 free_irq(irq, NULL);
579 release_region(io,8); 585 release_region(io, 8);
580} 586}
581 587
582/** 588/**
@@ -591,44 +597,49 @@ static int __init wdt_init(void)
591{ 597{
592 int ret; 598 int ret;
593 599
594 /* Check that the heartbeat value is within it's range ; if not reset to the default */ 600 /* Check that the heartbeat value is within it's range;
601 if not reset to the default */
595 if (wdt_set_heartbeat(heartbeat)) { 602 if (wdt_set_heartbeat(heartbeat)) {
596 wdt_set_heartbeat(WD_TIMO); 603 wdt_set_heartbeat(WD_TIMO);
597 printk(KERN_INFO "wdt: heartbeat value must be 0<heartbeat<65536, using %d\n", 604 printk(KERN_INFO "wdt: heartbeat value must be 0 < heartbeat < 65536, using %d\n",
598 WD_TIMO); 605 WD_TIMO);
599 } 606 }
600 607
601 if (!request_region(io, 8, "wdt501p")) { 608 if (!request_region(io, 8, "wdt501p")) {
602 printk(KERN_ERR "wdt: I/O address 0x%04x already in use\n", io); 609 printk(KERN_ERR
610 "wdt: I/O address 0x%04x already in use\n", io);
603 ret = -EBUSY; 611 ret = -EBUSY;
604 goto out; 612 goto out;
605 } 613 }
606 614
607 ret = request_irq(irq, wdt_interrupt, IRQF_DISABLED, "wdt501p", NULL); 615 ret = request_irq(irq, wdt_interrupt, IRQF_DISABLED, "wdt501p", NULL);
608 if(ret) { 616 if (ret) {
609 printk(KERN_ERR "wdt: IRQ %d is not free.\n", irq); 617 printk(KERN_ERR "wdt: IRQ %d is not free.\n", irq);
610 goto outreg; 618 goto outreg;
611 } 619 }
612 620
613 ret = register_reboot_notifier(&wdt_notifier); 621 ret = register_reboot_notifier(&wdt_notifier);
614 if(ret) { 622 if (ret) {
615 printk(KERN_ERR "wdt: cannot register reboot notifier (err=%d)\n", ret); 623 printk(KERN_ERR
624 "wdt: cannot register reboot notifier (err=%d)\n", ret);
616 goto outirq; 625 goto outirq;
617 } 626 }
618 627
619#ifdef CONFIG_WDT_501 628#ifdef CONFIG_WDT_501
620 ret = misc_register(&temp_miscdev); 629 ret = misc_register(&temp_miscdev);
621 if (ret) { 630 if (ret) {
622 printk(KERN_ERR "wdt: cannot register miscdev on minor=%d (err=%d)\n", 631 printk(KERN_ERR
623 TEMP_MINOR, ret); 632 "wdt: cannot register miscdev on minor=%d (err=%d)\n",
633 TEMP_MINOR, ret);
624 goto outrbt; 634 goto outrbt;
625 } 635 }
626#endif /* CONFIG_WDT_501 */ 636#endif /* CONFIG_WDT_501 */
627 637
628 ret = misc_register(&wdt_miscdev); 638 ret = misc_register(&wdt_miscdev);
629 if (ret) { 639 if (ret) {
630 printk(KERN_ERR "wdt: cannot register miscdev on minor=%d (err=%d)\n", 640 printk(KERN_ERR
631 WATCHDOG_MINOR, ret); 641 "wdt: cannot register miscdev on minor=%d (err=%d)\n",
642 WATCHDOG_MINOR, ret);
632 goto outmisc; 643 goto outmisc;
633 } 644 }
634 645
@@ -636,7 +647,8 @@ static int __init wdt_init(void)
636 printk(KERN_INFO "WDT500/501-P driver 0.10 at 0x%04x (Interrupt %d). heartbeat=%d sec (nowayout=%d)\n", 647 printk(KERN_INFO "WDT500/501-P driver 0.10 at 0x%04x (Interrupt %d). heartbeat=%d sec (nowayout=%d)\n",
637 io, irq, heartbeat, nowayout); 648 io, irq, heartbeat, nowayout);
638#ifdef CONFIG_WDT_501 649#ifdef CONFIG_WDT_501
639 printk(KERN_INFO "wdt: Fan Tachometer is %s\n", (tachometer ? "Enabled" : "Disabled")); 650 printk(KERN_INFO "wdt: Fan Tachometer is %s\n",
651 (tachometer ? "Enabled" : "Disabled"));
640#endif /* CONFIG_WDT_501 */ 652#endif /* CONFIG_WDT_501 */
641 653
642out: 654out:
@@ -651,7 +663,7 @@ outrbt:
651outirq: 663outirq:
652 free_irq(irq, NULL); 664 free_irq(irq, NULL);
653outreg: 665outreg:
654 release_region(io,8); 666 release_region(io, 8);
655 goto out; 667 goto out;
656} 668}
657 669
diff --git a/drivers/watchdog/wdt_pci.c b/drivers/watchdog/wdt_pci.c
index 1355608683e..5d922fd6eaf 100644
--- a/drivers/watchdog/wdt_pci.c
+++ b/drivers/watchdog/wdt_pci.c
@@ -29,9 +29,11 @@
29 * JP Nollmann : Added support for PCI wdt501p 29 * JP Nollmann : Added support for PCI wdt501p
30 * Alan Cox : Split ISA and PCI cards into two drivers 30 * Alan Cox : Split ISA and PCI cards into two drivers
31 * Jeff Garzik : PCI cleanups 31 * Jeff Garzik : PCI cleanups
32 * Tigran Aivazian : Restructured wdtpci_init_one() to handle failures 32 * Tigran Aivazian : Restructured wdtpci_init_one() to handle
33 * failures
33 * Joel Becker : Added WDIOC_GET/SETTIMEOUT 34 * Joel Becker : Added WDIOC_GET/SETTIMEOUT
34 * Zwane Mwaikambo : Magic char closing, locking changes, cleanups 35 * Zwane Mwaikambo : Magic char closing, locking changes,
36 * cleanups
35 * Matt Domsch : nowayout module option 37 * Matt Domsch : nowayout module option
36 */ 38 */
37 39
@@ -42,14 +44,15 @@
42#include <linux/miscdevice.h> 44#include <linux/miscdevice.h>
43#include <linux/watchdog.h> 45#include <linux/watchdog.h>
44#include <linux/ioport.h> 46#include <linux/ioport.h>
47#include <linux/delay.h>
45#include <linux/notifier.h> 48#include <linux/notifier.h>
46#include <linux/reboot.h> 49#include <linux/reboot.h>
47#include <linux/init.h> 50#include <linux/init.h>
48#include <linux/fs.h> 51#include <linux/fs.h>
49#include <linux/pci.h> 52#include <linux/pci.h>
53#include <linux/io.h>
54#include <linux/uaccess.h>
50 55
51#include <asm/io.h>
52#include <asm/uaccess.h>
53#include <asm/system.h> 56#include <asm/system.h>
54 57
55#define WDT_IS_PCI 58#define WDT_IS_PCI
@@ -73,7 +76,7 @@
73/* We can only use 1 card due to the /dev/watchdog restriction */ 76/* We can only use 1 card due to the /dev/watchdog restriction */
74static int dev_count; 77static int dev_count;
75 78
76static struct semaphore open_sem; 79static unsigned long open_lock;
77static DEFINE_SPINLOCK(wdtpci_lock); 80static DEFINE_SPINLOCK(wdtpci_lock);
78static char expect_close; 81static char expect_close;
79 82
@@ -86,18 +89,23 @@ static int irq;
86static int heartbeat = WD_TIMO; 89static int heartbeat = WD_TIMO;
87static int wd_heartbeat; 90static int wd_heartbeat;
88module_param(heartbeat, int, 0); 91module_param(heartbeat, int, 0);
89MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (0<heartbeat<65536, default=" __MODULE_STRING(WD_TIMO) ")"); 92MODULE_PARM_DESC(heartbeat,
93 "Watchdog heartbeat in seconds. (0<heartbeat<65536, default="
94 __MODULE_STRING(WD_TIMO) ")");
90 95
91static int nowayout = WATCHDOG_NOWAYOUT; 96static int nowayout = WATCHDOG_NOWAYOUT;
92module_param(nowayout, int, 0); 97module_param(nowayout, int, 0);
93MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); 98MODULE_PARM_DESC(nowayout,
99 "Watchdog cannot be stopped once started (default="
100 __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
94 101
95#ifdef CONFIG_WDT_501_PCI 102#ifdef CONFIG_WDT_501_PCI
96/* Support for the Fan Tachometer on the PCI-WDT501 */ 103/* Support for the Fan Tachometer on the PCI-WDT501 */
97static int tachometer; 104static int tachometer;
98 105
99module_param(tachometer, int, 0); 106module_param(tachometer, int, 0);
100MODULE_PARM_DESC(tachometer, "PCI-WDT501 Fan Tachometer support (0=disable, default=0)"); 107MODULE_PARM_DESC(tachometer,
108 "PCI-WDT501 Fan Tachometer support (0=disable, default=0)");
101#endif /* CONFIG_WDT_501_PCI */ 109#endif /* CONFIG_WDT_501_PCI */
102 110
103/* 111/*
@@ -106,16 +114,19 @@ MODULE_PARM_DESC(tachometer, "PCI-WDT501 Fan Tachometer support (0=disable, defa
106 114
107static void wdtpci_ctr_mode(int ctr, int mode) 115static void wdtpci_ctr_mode(int ctr, int mode)
108{ 116{
109 ctr<<=6; 117 ctr <<= 6;
110 ctr|=0x30; 118 ctr |= 0x30;
111 ctr|=(mode<<1); 119 ctr |= (mode << 1);
112 outb_p(ctr, WDT_CR); 120 outb(ctr, WDT_CR);
121 udelay(8);
113} 122}
114 123
115static void wdtpci_ctr_load(int ctr, int val) 124static void wdtpci_ctr_load(int ctr, int val)
116{ 125{
117 outb_p(val&0xFF, WDT_COUNT0+ctr); 126 outb(val & 0xFF, WDT_COUNT0 + ctr);
118 outb_p(val>>8, WDT_COUNT0+ctr); 127 udelay(8);
128 outb(val >> 8, WDT_COUNT0 + ctr);
129 udelay(8);
119} 130}
120 131
121/** 132/**
@@ -134,23 +145,35 @@ static int wdtpci_start(void)
134 * "pet" the watchdog, as Access says. 145 * "pet" the watchdog, as Access says.
135 * This resets the clock outputs. 146 * This resets the clock outputs.
136 */ 147 */
137 inb_p(WDT_DC); /* Disable watchdog */ 148 inb(WDT_DC); /* Disable watchdog */
138 wdtpci_ctr_mode(2,0); /* Program CTR2 for Mode 0: Pulse on Terminal Count */ 149 udelay(8);
139 outb_p(0, WDT_DC); /* Enable watchdog */ 150 wdtpci_ctr_mode(2, 0); /* Program CTR2 for Mode 0:
140 151 Pulse on Terminal Count */
141 inb_p(WDT_DC); /* Disable watchdog */ 152 outb(0, WDT_DC); /* Enable watchdog */
142 outb_p(0, WDT_CLOCK); /* 2.0833MHz clock */ 153 udelay(8);
143 inb_p(WDT_BUZZER); /* disable */ 154 inb(WDT_DC); /* Disable watchdog */
144 inb_p(WDT_OPTONOTRST); /* disable */ 155 udelay(8);
145 inb_p(WDT_OPTORST); /* disable */ 156 outb(0, WDT_CLOCK); /* 2.0833MHz clock */
146 inb_p(WDT_PROGOUT); /* disable */ 157 udelay(8);
147 wdtpci_ctr_mode(0,3); /* Program CTR0 for Mode 3: Square Wave Generator */ 158 inb(WDT_BUZZER); /* disable */
148 wdtpci_ctr_mode(1,2); /* Program CTR1 for Mode 2: Rate Generator */ 159 udelay(8);
149 wdtpci_ctr_mode(2,1); /* Program CTR2 for Mode 1: Retriggerable One-Shot */ 160 inb(WDT_OPTONOTRST); /* disable */
150 wdtpci_ctr_load(0,20833); /* count at 100Hz */ 161 udelay(8);
151 wdtpci_ctr_load(1,wd_heartbeat);/* Heartbeat */ 162 inb(WDT_OPTORST); /* disable */
163 udelay(8);
164 inb(WDT_PROGOUT); /* disable */
165 udelay(8);
166 wdtpci_ctr_mode(0, 3); /* Program CTR0 for Mode 3:
167 Square Wave Generator */
168 wdtpci_ctr_mode(1, 2); /* Program CTR1 for Mode 2:
169 Rate Generator */
170 wdtpci_ctr_mode(2, 1); /* Program CTR2 for Mode 1:
171 Retriggerable One-Shot */
172 wdtpci_ctr_load(0, 20833); /* count at 100Hz */
173 wdtpci_ctr_load(1, wd_heartbeat);/* Heartbeat */
152 /* DO NOT LOAD CTR2 on PCI card! -- JPN */ 174 /* DO NOT LOAD CTR2 on PCI card! -- JPN */
153 outb_p(0, WDT_DC); /* Enable watchdog */ 175 outb(0, WDT_DC); /* Enable watchdog */
176 udelay(8);
154 177
155 spin_unlock_irqrestore(&wdtpci_lock, flags); 178 spin_unlock_irqrestore(&wdtpci_lock, flags);
156 return 0; 179 return 0;
@@ -162,14 +185,15 @@ static int wdtpci_start(void)
162 * Stop the watchdog driver. 185 * Stop the watchdog driver.
163 */ 186 */
164 187
165static int wdtpci_stop (void) 188static int wdtpci_stop(void)
166{ 189{
167 unsigned long flags; 190 unsigned long flags;
168 191
169 /* Turn the card off */ 192 /* Turn the card off */
170 spin_lock_irqsave(&wdtpci_lock, flags); 193 spin_lock_irqsave(&wdtpci_lock, flags);
171 inb_p(WDT_DC); /* Disable watchdog */ 194 inb(WDT_DC); /* Disable watchdog */
172 wdtpci_ctr_load(2,0); /* 0 length reset pulses now */ 195 udelay(8);
196 wdtpci_ctr_load(2, 0); /* 0 length reset pulses now */
173 spin_unlock_irqrestore(&wdtpci_lock, flags); 197 spin_unlock_irqrestore(&wdtpci_lock, flags);
174 return 0; 198 return 0;
175} 199}
@@ -177,20 +201,23 @@ static int wdtpci_stop (void)
177/** 201/**
178 * wdtpci_ping: 202 * wdtpci_ping:
179 * 203 *
180 * Reload counter one with the watchdog heartbeat. We don't bother reloading 204 * Reload counter one with the watchdog heartbeat. We don't bother
181 * the cascade counter. 205 * reloading the cascade counter.
182 */ 206 */
183 207
184static int wdtpci_ping(void) 208static int wdtpci_ping(void)
185{ 209{
186 unsigned long flags; 210 unsigned long flags;
187 211
188 /* Write a watchdog value */
189 spin_lock_irqsave(&wdtpci_lock, flags); 212 spin_lock_irqsave(&wdtpci_lock, flags);
190 inb_p(WDT_DC); /* Disable watchdog */ 213 /* Write a watchdog value */
191 wdtpci_ctr_mode(1,2); /* Re-Program CTR1 for Mode 2: Rate Generator */ 214 inb(WDT_DC); /* Disable watchdog */
192 wdtpci_ctr_load(1,wd_heartbeat);/* Heartbeat */ 215 udelay(8);
193 outb_p(0, WDT_DC); /* Enable watchdog */ 216 wdtpci_ctr_mode(1, 2); /* Re-Program CTR1 for Mode 2:
217 Rate Generator */
218 wdtpci_ctr_load(1, wd_heartbeat);/* Heartbeat */
219 outb(0, WDT_DC); /* Enable watchdog */
220 udelay(8);
194 spin_unlock_irqrestore(&wdtpci_lock, flags); 221 spin_unlock_irqrestore(&wdtpci_lock, flags);
195 return 0; 222 return 0;
196} 223}
@@ -199,14 +226,14 @@ static int wdtpci_ping(void)
199 * wdtpci_set_heartbeat: 226 * wdtpci_set_heartbeat:
200 * @t: the new heartbeat value that needs to be set. 227 * @t: the new heartbeat value that needs to be set.
201 * 228 *
202 * Set a new heartbeat value for the watchdog device. If the heartbeat value is 229 * Set a new heartbeat value for the watchdog device. If the heartbeat
203 * incorrect we keep the old value and return -EINVAL. If successfull we 230 * value is incorrect we keep the old value and return -EINVAL.
204 * return 0. 231 * If successful we return 0.
205 */ 232 */
206static int wdtpci_set_heartbeat(int t) 233static int wdtpci_set_heartbeat(int t)
207{ 234{
208 /* Arbitrary, can't find the card's limits */ 235 /* Arbitrary, can't find the card's limits */
209 if ((t < 1) || (t > 65535)) 236 if (t < 1 || t > 65535)
210 return -EINVAL; 237 return -EINVAL;
211 238
212 heartbeat = t; 239 heartbeat = t;
@@ -227,9 +254,14 @@ static int wdtpci_set_heartbeat(int t)
227 254
228static int wdtpci_get_status(int *status) 255static int wdtpci_get_status(int *status)
229{ 256{
230 unsigned char new_status=inb_p(WDT_SR); 257 unsigned char new_status;
258 unsigned long flags;
259
260 spin_lock_irqsave(&wdtpci_lock, flags);
261 new_status = inb(WDT_SR);
262 spin_unlock_irqrestore(&wdtpci_lock, flags);
231 263
232 *status=0; 264 *status = 0;
233 if (new_status & WDC_SR_ISOI0) 265 if (new_status & WDC_SR_ISOI0)
234 *status |= WDIOF_EXTERN1; 266 *status |= WDIOF_EXTERN1;
235 if (new_status & WDC_SR_ISII1) 267 if (new_status & WDC_SR_ISII1)
@@ -259,8 +291,12 @@ static int wdtpci_get_status(int *status)
259 291
260static int wdtpci_get_temperature(int *temperature) 292static int wdtpci_get_temperature(int *temperature)
261{ 293{
262 unsigned short c=inb_p(WDT_RT); 294 unsigned short c;
263 295 unsigned long flags;
296 spin_lock_irqsave(&wdtpci_lock, flags);
297 c = inb(WDT_RT);
298 udelay(8);
299 spin_unlock_irqrestore(&wdtpci_lock, flags);
264 *temperature = (c * 11 / 15) + 7; 300 *temperature = (c * 11 / 15) + 7;
265 return 0; 301 return 0;
266} 302}
@@ -282,17 +318,25 @@ static irqreturn_t wdtpci_interrupt(int irq, void *dev_id)
282 * Read the status register see what is up and 318 * Read the status register see what is up and
283 * then printk it. 319 * then printk it.
284 */ 320 */
285 unsigned char status=inb_p(WDT_SR); 321 unsigned char status;
322
323 spin_lock(&wdtpci_lock);
324
325 status = inb(WDT_SR);
326 udelay(8);
286 327
287 printk(KERN_CRIT PFX "status %d\n", status); 328 printk(KERN_CRIT PFX "status %d\n", status);
288 329
289#ifdef CONFIG_WDT_501_PCI 330#ifdef CONFIG_WDT_501_PCI
290 if (!(status & WDC_SR_TGOOD)) 331 if (!(status & WDC_SR_TGOOD)) {
291 printk(KERN_CRIT PFX "Overheat alarm.(%d)\n",inb_p(WDT_RT)); 332 u8 alarm = inb(WDT_RT);
333 printk(KERN_CRIT PFX "Overheat alarm.(%d)\n", alarm);
334 udelay(8);
335 }
292 if (!(status & WDC_SR_PSUOVER)) 336 if (!(status & WDC_SR_PSUOVER))
293 printk(KERN_CRIT PFX "PSU over voltage.\n"); 337 printk(KERN_CRIT PFX "PSU over voltage.\n");
294 if (!(status & WDC_SR_PSUUNDR)) 338 if (!(status & WDC_SR_PSUUNDR))
295 printk(KERN_CRIT PFX "PSU under voltage.\n"); 339 printk(KERN_CRIT PFX "PSU under voltage.\n");
296 if (tachometer) { 340 if (tachometer) {
297 if (!(status & WDC_SR_FANGOOD)) 341 if (!(status & WDC_SR_FANGOOD))
298 printk(KERN_CRIT PFX "Possible fan fault.\n"); 342 printk(KERN_CRIT PFX "Possible fan fault.\n");
@@ -310,6 +354,7 @@ static irqreturn_t wdtpci_interrupt(int irq, void *dev_id)
310 printk(KERN_CRIT PFX "Reset in 5ms.\n"); 354 printk(KERN_CRIT PFX "Reset in 5ms.\n");
311#endif 355#endif
312 } 356 }
357 spin_unlock(&wdtpci_lock);
313 return IRQ_HANDLED; 358 return IRQ_HANDLED;
314} 359}
315 360
@@ -325,7 +370,8 @@ static irqreturn_t wdtpci_interrupt(int irq, void *dev_id)
325 * write of data will do, as we we don't define content meaning. 370 * write of data will do, as we we don't define content meaning.
326 */ 371 */
327 372
328static ssize_t wdtpci_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) 373static ssize_t wdtpci_write(struct file *file, const char __user *buf,
374 size_t count, loff_t *ppos)
329{ 375{
330 if (count) { 376 if (count) {
331 if (!nowayout) { 377 if (!nowayout) {
@@ -335,7 +381,7 @@ static ssize_t wdtpci_write(struct file *file, const char __user *buf, size_t co
335 381
336 for (i = 0; i != count; i++) { 382 for (i = 0; i != count; i++) {
337 char c; 383 char c;
338 if(get_user(c, buf+i)) 384 if (get_user(c, buf+i))
339 return -EFAULT; 385 return -EFAULT;
340 if (c == 'V') 386 if (c == 'V')
341 expect_close = 42; 387 expect_close = 42;
@@ -343,13 +389,11 @@ static ssize_t wdtpci_write(struct file *file, const char __user *buf, size_t co
343 } 389 }
344 wdtpci_ping(); 390 wdtpci_ping();
345 } 391 }
346
347 return count; 392 return count;
348} 393}
349 394
350/** 395/**
351 * wdtpci_ioctl: 396 * wdtpci_ioctl:
352 * @inode: inode of the device
353 * @file: file handle to the device 397 * @file: file handle to the device
354 * @cmd: watchdog command 398 * @cmd: watchdog command
355 * @arg: argument pointer 399 * @arg: argument pointer
@@ -359,8 +403,8 @@ static ssize_t wdtpci_write(struct file *file, const char __user *buf, size_t co
359 * querying capabilities and current status. 403 * querying capabilities and current status.
360 */ 404 */
361 405
362static int wdtpci_ioctl(struct inode *inode, struct file *file, unsigned int cmd, 406static long wdtpci_ioctl(struct file *file, unsigned int cmd,
363 unsigned long arg) 407 unsigned long arg)
364{ 408{
365 int new_heartbeat; 409 int new_heartbeat;
366 int status; 410 int status;
@@ -383,33 +427,29 @@ static int wdtpci_ioctl(struct inode *inode, struct file *file, unsigned int cmd
383 ident.options |= WDIOF_FANFAULT; 427 ident.options |= WDIOF_FANFAULT;
384#endif /* CONFIG_WDT_501_PCI */ 428#endif /* CONFIG_WDT_501_PCI */
385 429
386 switch(cmd) 430 switch (cmd) {
387 { 431 default:
388 default: 432 return -ENOTTY;
389 return -ENOTTY; 433 case WDIOC_GETSUPPORT:
390 case WDIOC_GETSUPPORT: 434 return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
391 return copy_to_user(argp, &ident, sizeof(ident))?-EFAULT:0; 435 case WDIOC_GETSTATUS:
392 436 wdtpci_get_status(&status);
393 case WDIOC_GETSTATUS: 437 return put_user(status, p);
394 wdtpci_get_status(&status); 438 case WDIOC_GETBOOTSTATUS:
395 return put_user(status, p); 439 return put_user(0, p);
396 case WDIOC_GETBOOTSTATUS: 440 case WDIOC_KEEPALIVE:
397 return put_user(0, p); 441 wdtpci_ping();
398 case WDIOC_KEEPALIVE: 442 return 0;
399 wdtpci_ping(); 443 case WDIOC_SETTIMEOUT:
400 return 0; 444 if (get_user(new_heartbeat, p))
401 case WDIOC_SETTIMEOUT: 445 return -EFAULT;
402 if (get_user(new_heartbeat, p)) 446 if (wdtpci_set_heartbeat(new_heartbeat))
403 return -EFAULT; 447 return -EINVAL;
404 448 wdtpci_ping();
405 if (wdtpci_set_heartbeat(new_heartbeat)) 449 /* Fall */
406 return -EINVAL; 450 case WDIOC_GETTIMEOUT:
407 451 return put_user(heartbeat, p);
408 wdtpci_ping(); 452 }
409 /* Fall */
410 case WDIOC_GETTIMEOUT:
411 return put_user(heartbeat, p);
412 }
413} 453}
414 454
415/** 455/**
@@ -426,12 +466,11 @@ static int wdtpci_ioctl(struct inode *inode, struct file *file, unsigned int cmd
426 466
427static int wdtpci_open(struct inode *inode, struct file *file) 467static int wdtpci_open(struct inode *inode, struct file *file)
428{ 468{
429 if (down_trylock(&open_sem)) 469 if (test_and_set_bit(0, &open_lock))
430 return -EBUSY; 470 return -EBUSY;
431 471
432 if (nowayout) { 472 if (nowayout)
433 __module_get(THIS_MODULE); 473 __module_get(THIS_MODULE);
434 }
435 /* 474 /*
436 * Activate 475 * Activate
437 */ 476 */
@@ -460,7 +499,7 @@ static int wdtpci_release(struct inode *inode, struct file *file)
460 wdtpci_ping(); 499 wdtpci_ping();
461 } 500 }
462 expect_close = 0; 501 expect_close = 0;
463 up(&open_sem); 502 clear_bit(0, &open_lock);
464 return 0; 503 return 0;
465} 504}
466 505
@@ -476,14 +515,15 @@ static int wdtpci_release(struct inode *inode, struct file *file)
476 * fahrenheit. It was designed by an imperial measurement luddite. 515 * fahrenheit. It was designed by an imperial measurement luddite.
477 */ 516 */
478 517
479static ssize_t wdtpci_temp_read(struct file *file, char __user *buf, size_t count, loff_t *ptr) 518static ssize_t wdtpci_temp_read(struct file *file, char __user *buf,
519 size_t count, loff_t *ptr)
480{ 520{
481 int temperature; 521 int temperature;
482 522
483 if (wdtpci_get_temperature(&temperature)) 523 if (wdtpci_get_temperature(&temperature))
484 return -EFAULT; 524 return -EFAULT;
485 525
486 if (copy_to_user (buf, &temperature, 1)) 526 if (copy_to_user(buf, &temperature, 1))
487 return -EFAULT; 527 return -EFAULT;
488 528
489 return 1; 529 return 1;
@@ -529,12 +569,10 @@ static int wdtpci_temp_release(struct inode *inode, struct file *file)
529 */ 569 */
530 570
531static int wdtpci_notify_sys(struct notifier_block *this, unsigned long code, 571static int wdtpci_notify_sys(struct notifier_block *this, unsigned long code,
532 void *unused) 572 void *unused)
533{ 573{
534 if (code==SYS_DOWN || code==SYS_HALT) { 574 if (code == SYS_DOWN || code == SYS_HALT)
535 /* Turn the card off */
536 wdtpci_stop(); 575 wdtpci_stop();
537 }
538 return NOTIFY_DONE; 576 return NOTIFY_DONE;
539} 577}
540 578
@@ -547,7 +585,7 @@ static const struct file_operations wdtpci_fops = {
547 .owner = THIS_MODULE, 585 .owner = THIS_MODULE,
548 .llseek = no_llseek, 586 .llseek = no_llseek,
549 .write = wdtpci_write, 587 .write = wdtpci_write,
550 .ioctl = wdtpci_ioctl, 588 .unlocked_ioctl = wdtpci_ioctl,
551 .open = wdtpci_open, 589 .open = wdtpci_open,
552 .release = wdtpci_release, 590 .release = wdtpci_release,
553}; 591};
@@ -584,80 +622,85 @@ static struct notifier_block wdtpci_notifier = {
584}; 622};
585 623
586 624
587static int __devinit wdtpci_init_one (struct pci_dev *dev, 625static int __devinit wdtpci_init_one(struct pci_dev *dev,
588 const struct pci_device_id *ent) 626 const struct pci_device_id *ent)
589{ 627{
590 int ret = -EIO; 628 int ret = -EIO;
591 629
592 dev_count++; 630 dev_count++;
593 if (dev_count > 1) { 631 if (dev_count > 1) {
594 printk (KERN_ERR PFX "this driver only supports 1 device\n"); 632 printk(KERN_ERR PFX "This driver only supports one device\n");
595 return -ENODEV; 633 return -ENODEV;
596 } 634 }
597 635
598 if (pci_enable_device (dev)) { 636 if (pci_enable_device(dev)) {
599 printk (KERN_ERR PFX "Not possible to enable PCI Device\n"); 637 printk(KERN_ERR PFX "Not possible to enable PCI Device\n");
600 return -ENODEV; 638 return -ENODEV;
601 } 639 }
602 640
603 if (pci_resource_start (dev, 2) == 0x0000) { 641 if (pci_resource_start(dev, 2) == 0x0000) {
604 printk (KERN_ERR PFX "No I/O-Address for card detected\n"); 642 printk(KERN_ERR PFX "No I/O-Address for card detected\n");
605 ret = -ENODEV; 643 ret = -ENODEV;
606 goto out_pci; 644 goto out_pci;
607 } 645 }
608 646
609 sema_init(&open_sem, 1);
610
611 irq = dev->irq; 647 irq = dev->irq;
612 io = pci_resource_start (dev, 2); 648 io = pci_resource_start(dev, 2);
613 649
614 if (request_region (io, 16, "wdt_pci") == NULL) { 650 if (request_region(io, 16, "wdt_pci") == NULL) {
615 printk (KERN_ERR PFX "I/O address 0x%04x already in use\n", io); 651 printk(KERN_ERR PFX "I/O address 0x%04x already in use\n", io);
616 goto out_pci; 652 goto out_pci;
617 } 653 }
618 654
619 if (request_irq (irq, wdtpci_interrupt, IRQF_DISABLED | IRQF_SHARED, 655 if (request_irq(irq, wdtpci_interrupt, IRQF_DISABLED | IRQF_SHARED,
620 "wdt_pci", &wdtpci_miscdev)) { 656 "wdt_pci", &wdtpci_miscdev)) {
621 printk (KERN_ERR PFX "IRQ %d is not free\n", irq); 657 printk(KERN_ERR PFX "IRQ %d is not free\n", irq);
622 goto out_reg; 658 goto out_reg;
623 } 659 }
624 660
625 printk ("PCI-WDT500/501 (PCI-WDG-CSM) driver 0.10 at 0x%04x (Interrupt %d)\n", 661 printk(KERN_INFO
626 io, irq); 662 "PCI-WDT500/501 (PCI-WDG-CSM) driver 0.10 at 0x%04x (Interrupt %d)\n",
663 io, irq);
627 664
628 /* Check that the heartbeat value is within it's range ; if not reset to the default */ 665 /* Check that the heartbeat value is within its range;
666 if not reset to the default */
629 if (wdtpci_set_heartbeat(heartbeat)) { 667 if (wdtpci_set_heartbeat(heartbeat)) {
630 wdtpci_set_heartbeat(WD_TIMO); 668 wdtpci_set_heartbeat(WD_TIMO);
631 printk(KERN_INFO PFX "heartbeat value must be 0<heartbeat<65536, using %d\n", 669 printk(KERN_INFO PFX
632 WD_TIMO); 670 "heartbeat value must be 0 < heartbeat < 65536, using %d\n",
671 WD_TIMO);
633 } 672 }
634 673
635 ret = register_reboot_notifier (&wdtpci_notifier); 674 ret = register_reboot_notifier(&wdtpci_notifier);
636 if (ret) { 675 if (ret) {
637 printk (KERN_ERR PFX "cannot register reboot notifier (err=%d)\n", ret); 676 printk(KERN_ERR PFX
677 "cannot register reboot notifier (err=%d)\n", ret);
638 goto out_irq; 678 goto out_irq;
639 } 679 }
640 680
641#ifdef CONFIG_WDT_501_PCI 681#ifdef CONFIG_WDT_501_PCI
642 ret = misc_register (&temp_miscdev); 682 ret = misc_register(&temp_miscdev);
643 if (ret) { 683 if (ret) {
644 printk (KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n", 684 printk(KERN_ERR PFX
645 TEMP_MINOR, ret); 685 "cannot register miscdev on minor=%d (err=%d)\n",
686 TEMP_MINOR, ret);
646 goto out_rbt; 687 goto out_rbt;
647 } 688 }
648#endif /* CONFIG_WDT_501_PCI */ 689#endif /* CONFIG_WDT_501_PCI */
649 690
650 ret = misc_register (&wdtpci_miscdev); 691 ret = misc_register(&wdtpci_miscdev);
651 if (ret) { 692 if (ret) {
652 printk (KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n", 693 printk(KERN_ERR PFX
653 WATCHDOG_MINOR, ret); 694 "cannot register miscdev on minor=%d (err=%d)\n",
695 WATCHDOG_MINOR, ret);
654 goto out_misc; 696 goto out_misc;
655 } 697 }
656 698
657 printk(KERN_INFO PFX "initialized. heartbeat=%d sec (nowayout=%d)\n", 699 printk(KERN_INFO PFX "initialized. heartbeat=%d sec (nowayout=%d)\n",
658 heartbeat, nowayout); 700 heartbeat, nowayout);
659#ifdef CONFIG_WDT_501_PCI 701#ifdef CONFIG_WDT_501_PCI
660 printk(KERN_INFO "wdt: Fan Tachometer is %s\n", (tachometer ? "Enabled" : "Disabled")); 702 printk(KERN_INFO "wdt: Fan Tachometer is %s\n",
703 (tachometer ? "Enabled" : "Disabled"));
661#endif /* CONFIG_WDT_501_PCI */ 704#endif /* CONFIG_WDT_501_PCI */
662 705
663 ret = 0; 706 ret = 0;
@@ -673,14 +716,14 @@ out_rbt:
673out_irq: 716out_irq:
674 free_irq(irq, &wdtpci_miscdev); 717 free_irq(irq, &wdtpci_miscdev);
675out_reg: 718out_reg:
676 release_region (io, 16); 719 release_region(io, 16);
677out_pci: 720out_pci:
678 pci_disable_device(dev); 721 pci_disable_device(dev);
679 goto out; 722 goto out;
680} 723}
681 724
682 725
683static void __devexit wdtpci_remove_one (struct pci_dev *pdev) 726static void __devexit wdtpci_remove_one(struct pci_dev *pdev)
684{ 727{
685 /* here we assume only one device will ever have 728 /* here we assume only one device will ever have
686 * been picked up and registered by probe function */ 729 * been picked up and registered by probe function */
@@ -728,7 +771,7 @@ static struct pci_driver wdtpci_driver = {
728 771
729static void __exit wdtpci_cleanup(void) 772static void __exit wdtpci_cleanup(void)
730{ 773{
731 pci_unregister_driver (&wdtpci_driver); 774 pci_unregister_driver(&wdtpci_driver);
732} 775}
733 776
734 777
@@ -742,7 +785,7 @@ static void __exit wdtpci_cleanup(void)
742 785
743static int __init wdtpci_init(void) 786static int __init wdtpci_init(void)
744{ 787{
745 return pci_register_driver (&wdtpci_driver); 788 return pci_register_driver(&wdtpci_driver);
746} 789}
747 790
748 791
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-22 18:23:53 -0500