diff options
Diffstat (limited to 'drivers/watchdog')
32 files changed, 169 insertions, 138 deletions
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 1a22fe782a2..4fd3fa5546b 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -67,11 +67,11 @@ config AT91RM9200_WATCHDOG system when the timeout is reached. config AT91SAM9X_WATCHDOG - tristate "AT91SAM9X watchdog" - depends on WATCHDOG && (ARCH_AT91SAM9260 || ARCH_AT91SAM9261) + tristate "AT91SAM9X / AT91CAP9 watchdog" + depends on ARCH_AT91 && !ARCH_AT91RM9200 help - Watchdog timer embedded into AT91SAM9X chips. This will reboot your - system when the timeout is reached. + Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will + reboot your system when the timeout is reached. config 21285_WATCHDOG tristate "DC21285 watchdog" diff --git a/drivers/watchdog/acquirewdt.c b/drivers/watchdog/acquirewdt.c index 6e46a551395..3e57aa4d643 100644 --- a/drivers/watchdog/acquirewdt.c +++ b/drivers/watchdog/acquirewdt.c @@ -3,8 +3,8 @@ * * Based on wdt.c. Original copyright messages: * - * (c) Copyright 1996 Alan Cox <alan@redhat.com>, All Rights Reserved. - * http://www.redhat.com + * (c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>, + * All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -15,7 +15,7 @@ * warranty for any of this software. This material is provided * "AS-IS" and at no charge. * - * (c) Copyright 1995 Alan Cox <alan@redhat.com> + * (c) Copyright 1995 Alan Cox <alan@lxorguk.ukuu.org.uk> * * 14-Dec-2001 Matt Domsch <Matt_Domsch@dell.com> * Added nowayout module option to override CONFIG_WATCHDOG_NOWAYOUT diff --git a/drivers/watchdog/advantechwdt.c b/drivers/watchdog/advantechwdt.c index a5110f93a75..a1d7856ea6e 100644 --- a/drivers/watchdog/advantechwdt.c +++ b/drivers/watchdog/advantechwdt.c @@ -6,8 +6,8 @@ * Based on acquirewdt.c which is based on wdt.c. * Original copyright messages: * - * (c) Copyright 1996 Alan Cox <alan@redhat.com>, All Rights Reserved. - * http://www.redhat.com + * (c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>, + * All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -18,7 +18,7 @@ * warranty for any of this software. This material is provided * "AS-IS" and at no charge. * - * (c) Copyright 1995 Alan Cox <alan@redhat.com> + * (c) Copyright 1995 Alan Cox <alan@lxorguk.ukuu.org.uk> * * 14-Dec-2001 Matt Domsch <Matt_Domsch@dell.com> * Added nowayout module option to override CONFIG_WATCHDOG_NOWAYOUT diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c index b4babfc3158..b1da287f90e 100644 --- a/drivers/watchdog/at91sam9_wdt.c +++ b/drivers/watchdog/at91sam9_wdt.c @@ -30,7 +30,7 @@ #include <linux/bitops.h> #include <linux/uaccess.h> -#include <asm/arch/at91_wdt.h> +#include <mach/at91_wdt.h> #define DRV_NAME "AT91SAM9 Watchdog" diff --git a/drivers/watchdog/bfin_wdt.c b/drivers/watchdog/bfin_wdt.c index 31b42253054..067a57cb3f8 100644 --- a/drivers/watchdog/bfin_wdt.c +++ b/drivers/watchdog/bfin_wdt.c @@ -5,7 +5,7 @@ * Originally based on softdog.c * Copyright 2006-2007 Analog Devices Inc. * Copyright 2006-2007 Michele d'Amico - * Copyright 1996 Alan Cox <alan@redhat.com> + * Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk> * * Enter bugs at http://blackfin.uclinux.org/ * diff --git a/drivers/watchdog/booke_wdt.c b/drivers/watchdog/booke_wdt.c index c3b78a76f17..225398fd504 100644 --- a/drivers/watchdog/booke_wdt.c +++ b/drivers/watchdog/booke_wdt.c @@ -42,8 +42,10 @@ u32 booke_wdt_period = WDT_PERIOD_DEFAULT; #ifdef CONFIG_FSL_BOOKE #define WDTP(x) ((((63-x)&0x3)<<30)|(((63-x)&0x3c)<<15)) +#define WDTP_MASK (WDTP(0)) #else #define WDTP(x) (TCR_WP(x)) +#define WDTP_MASK (TCR_WP_MASK) #endif static DEFINE_SPINLOCK(booke_wdt_lock); @@ -65,6 +67,7 @@ static void __booke_wdt_enable(void *data) /* clear status before enabling watchdog */ __booke_wdt_ping(NULL); val = mfspr(SPRN_TCR); + val &= ~WDTP_MASK; val |= (TCR_WIE|TCR_WRC(WRC_CHIP)|WDTP(booke_wdt_period)); mtspr(SPRN_TCR, val); @@ -114,7 +117,7 @@ static long booke_wdt_ioctl(struct file *file, case WDIOC_SETTIMEOUT: if (get_user(booke_wdt_period, p)) return -EFAULT; - mtspr(SPRN_TCR, (mfspr(SPRN_TCR) & ~WDTP(0)) | + mtspr(SPRN_TCR, (mfspr(SPRN_TCR) & ~WDTP_MASK) | WDTP(booke_wdt_period)); return 0; case WDIOC_GETTIMEOUT: diff --git a/drivers/watchdog/eurotechwdt.c b/drivers/watchdog/eurotechwdt.c index bbd14e34319..a171fc6ae1c 100644 --- a/drivers/watchdog/eurotechwdt.c +++ b/drivers/watchdog/eurotechwdt.c @@ -8,8 +8,8 @@ * Based on wdt.c. * Original copyright messages: * - * (c) Copyright 1996-1997 Alan Cox <alan@redhat.com>, All Rights Reserved. - * http://www.redhat.com + * (c) Copyright 1996-1997 Alan Cox <alan@lxorguk.ukuu.org.uk>, + * All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index a3765e0be4a..763c1ea5dce 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -40,6 +40,7 @@ #include <linux/bootmem.h> #include <linux/slab.h> #include <asm/desc.h> +#include <asm/cacheflush.h> #define PCI_BIOS32_SD_VALUE 0x5F32335F /* "_32_" */ #define CRU_BIOS_SIGNATURE_VALUE 0x55524324 @@ -394,6 +395,8 @@ static void __devinit dmi_find_cru(const struct dmi_header *dm) smbios_cru64_ptr->double_offset; cru_rom_addr = ioremap(cru_physical_address, smbios_cru64_ptr->double_length); + set_memory_x((unsigned long)cru_rom_addr & PAGE_MASK, + smbios_cru64_ptr->double_length >> PAGE_SHIFT); } } } @@ -482,7 +485,7 @@ static int hpwdt_pretimeout(struct notifier_block *nb, unsigned long ulReason, "Management Log for details.\n"); } - return NOTIFY_STOP; + return NOTIFY_OK; } /* diff --git a/drivers/watchdog/i6300esb.c b/drivers/watchdog/i6300esb.c index c13383f7fcb..74f951c18b9 100644 --- a/drivers/watchdog/i6300esb.c +++ b/drivers/watchdog/i6300esb.c @@ -394,8 +394,7 @@ static unsigned char __init esb_getdevice(void) goto err_disable; } - BASEADDR = ioremap(pci_resource_start(esb_pci, 0), - pci_resource_len(esb_pci, 0)); + BASEADDR = pci_ioremap_bar(esb_pci, 0); if (BASEADDR == NULL) { /* Something's wrong here, BASEADDR has to be set */ printk(KERN_ERR PFX "failed to get BASEADDR\n"); diff --git a/drivers/watchdog/iTCO_vendor_support.c b/drivers/watchdog/iTCO_vendor_support.c index ca344a85eb9..2474ebca88f 100644 --- a/drivers/watchdog/iTCO_vendor_support.c +++ b/drivers/watchdog/iTCO_vendor_support.c @@ -1,7 +1,7 @@ /* * intel TCO vendor specific watchdog driver support * - * (c) Copyright 2006 Wim Van Sebroeck <wim@iguana.be>. + * (c) Copyright 2006-2008 Wim Van Sebroeck <wim@iguana.be>. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -19,8 +19,7 @@ /* Module and version information */ #define DRV_NAME "iTCO_vendor_support" -#define DRV_VERSION "1.01" -#define DRV_RELDATE "11-Nov-2006" +#define DRV_VERSION "1.02" #define PFX DRV_NAME ": " /* Includes */ @@ -78,24 +77,6 @@ MODULE_PARM_DESC(vendorsupport, "iTCO vendor specific support mode, default=0 (n * 20.6 seconds. */ -static void supermicro_old_pre_start(unsigned long acpibase) -{ - unsigned long val32; - - val32 = inl(SMI_EN); - val32 &= 0xffffdfff; /* Turn off SMI clearing watchdog */ - outl(val32, SMI_EN); /* Needed to activate watchdog */ -} - -static void supermicro_old_pre_stop(unsigned long acpibase) -{ - unsigned long val32; - - val32 = inl(SMI_EN); - val32 &= 0x00002000; /* Turn on SMI clearing watchdog */ - outl(val32, SMI_EN); /* Needed to deactivate watchdog */ -} - static void supermicro_old_pre_keepalive(unsigned long acpibase) { /* Reload TCO Timer (done in iTCO_wdt_keepalive) + */ @@ -247,18 +228,14 @@ static void supermicro_new_pre_set_heartbeat(unsigned int heartbeat) void iTCO_vendor_pre_start(unsigned long acpibase, unsigned int heartbeat) { - if (vendorsupport == SUPERMICRO_OLD_BOARD) - supermicro_old_pre_start(acpibase); - else if (vendorsupport == SUPERMICRO_NEW_BOARD) + if (vendorsupport == SUPERMICRO_NEW_BOARD) supermicro_new_pre_start(heartbeat); } EXPORT_SYMBOL(iTCO_vendor_pre_start); void iTCO_vendor_pre_stop(unsigned long acpibase) { - if (vendorsupport == SUPERMICRO_OLD_BOARD) - supermicro_old_pre_stop(acpibase); - else if (vendorsupport == SUPERMICRO_NEW_BOARD) + if (vendorsupport == SUPERMICRO_NEW_BOARD) supermicro_new_pre_stop(); } EXPORT_SYMBOL(iTCO_vendor_pre_stop); diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c index bfb93bc2ca9..5b395a4ddfd 100644 --- a/drivers/watchdog/iTCO_wdt.c +++ b/drivers/watchdog/iTCO_wdt.c @@ -1,7 +1,7 @@ /* * intel TCO Watchdog Driver (Used in i82801 and i6300ESB chipsets) * - * (c) Copyright 2006-2007 Wim Van Sebroeck <wim@iguana.be>. + * (c) Copyright 2006-2008 Wim Van Sebroeck <wim@iguana.be>. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -20,34 +20,41 @@ * 82801BAM (ICH2-M) : document number 290687-002, 298242-027, * 82801CA (ICH3-S) : document number 290733-003, 290739-013, * 82801CAM (ICH3-M) : document number 290716-001, 290718-007, - * 82801DB (ICH4) : document number 290744-001, 290745-020, - * 82801DBM (ICH4-M) : document number 252337-001, 252663-005, + * 82801DB (ICH4) : document number 290744-001, 290745-025, + * 82801DBM (ICH4-M) : document number 252337-001, 252663-008, * 82801E (C-ICH) : document number 273599-001, 273645-002, - * 82801EB (ICH5) : document number 252516-001, 252517-003, - * 82801ER (ICH5R) : document number 252516-001, 252517-003, - * 82801FB (ICH6) : document number 301473-002, 301474-007, - * 82801FR (ICH6R) : document number 301473-002, 301474-007, - * 82801FBM (ICH6-M) : document number 301473-002, 301474-007, - * 82801FW (ICH6W) : document number 301473-001, 301474-007, - * 82801FRW (ICH6RW) : document number 301473-001, 301474-007, - * 82801GB (ICH7) : document number 307013-002, 307014-009, - * 82801GR (ICH7R) : document number 307013-002, 307014-009, - * 82801GDH (ICH7DH) : document number 307013-002, 307014-009, - * 82801GBM (ICH7-M) : document number 307013-002, 307014-009, - * 82801GHM (ICH7-M DH) : document number 307013-002, 307014-009, - * 82801HB (ICH8) : document number 313056-003, 313057-009, - * 82801HR (ICH8R) : document number 313056-003, 313057-009, - * 82801HBM (ICH8M) : document number 313056-003, 313057-009, - * 82801HH (ICH8DH) : document number 313056-003, 313057-009, - * 82801HO (ICH8DO) : document number 313056-003, 313057-009, - * 82801HEM (ICH8M-E) : document number 313056-003, 313057-009, - * 82801IB (ICH9) : document number 316972-001, 316973-006, - * 82801IR (ICH9R) : document number 316972-001, 316973-006, - * 82801IH (ICH9DH) : document number 316972-001, 316973-006, - * 82801IO (ICH9DO) : document number 316972-001, 316973-006, - * 6300ESB (6300ESB) : document number 300641-003, 300884-010, - * 631xESB (631xESB) : document number 313082-001, 313075-005, - * 632xESB (632xESB) : document number 313082-001, 313075-005 + * 82801EB (ICH5) : document number 252516-001, 252517-028, + * 82801ER (ICH5R) : document number 252516-001, 252517-028, + * 6300ESB (6300ESB) : document number 300641-004, 300884-013, + * 82801FB (ICH6) : document number 301473-002, 301474-026, + * 82801FR (ICH6R) : document number 301473-002, 301474-026, + * 82801FBM (ICH6-M) : document number 301473-002, 301474-026, + * 82801FW (ICH6W) : document number 301473-001, 301474-026, + * 82801FRW (ICH6RW) : document number 301473-001, 301474-026, + * 631xESB (631xESB) : document number 313082-001, 313075-006, + * 632xESB (632xESB) : document number 313082-001, 313075-006, + * 82801GB (ICH7) : document number 307013-003, 307014-024, + * 82801GR (ICH7R) : document number 307013-003, 307014-024, + * 82801GDH (ICH7DH) : document number 307013-003, 307014-024, + * 82801GBM (ICH7-M) : document number 307013-003, 307014-024, + * 82801GHM (ICH7-M DH) : document number 307013-003, 307014-024, + * 82801GU (ICH7-U) : document number 307013-003, 307014-024, + * 82801HB (ICH8) : document number 313056-003, 313057-017, + * 82801HR (ICH8R) : document number 313056-003, 313057-017, + * 82801HBM (ICH8M) : document number 313056-003, 313057-017, + * 82801HH (ICH8DH) : document number 313056-003, 313057-017, + * 82801HO (ICH8DO) : document number 313056-003, 313057-017, + * 82801HEM (ICH8M-E) : document number 313056-003, 313057-017, + * 82801IB (ICH9) : document number 316972-004, 316973-012, + * 82801IR (ICH9R) : document number 316972-004, 316973-012, + * 82801IH (ICH9DH) : document number 316972-004, 316973-012, + * 82801IO (ICH9DO) : document number 316972-004, 316973-012, + * 82801IBM (ICH9M) : document number 316972-004, 316973-012, + * 82801IEM (ICH9M-E) : document number 316972-004, 316973-012, + * 82801JIB (ICH10) : document number 319973-002, 319974-002, + * 82801JIR (ICH10R) : document number 319973-002, 319974-002, + * 82801JD (ICH10D) : document number 319973-002, 319974-002, + * 82801JDO (ICH10DO) : document number 319973-002, 319974-002 */ /* @@ -56,8 +63,7 @@ /* Module and version information */ #define DRV_NAME "iTCO_wdt" -#define DRV_VERSION "1.03" -#define DRV_RELDATE "30-Apr-2008" +#define DRV_VERSION "1.04" #define PFX DRV_NAME ": " /* Includes */ @@ -96,19 +102,26 @@ enum iTCO_chipsets { TCO_ICH6, /* ICH6 & ICH6R */ TCO_ICH6M, /* ICH6-M */ TCO_ICH6W, /* ICH6W & ICH6RW */ + TCO_631XESB, /* 631xESB/632xESB */ TCO_ICH7, /* ICH7 & ICH7R */ - TCO_ICH7M, /* ICH7-M */ + TCO_ICH7DH, /* ICH7DH */ + TCO_ICH7M, /* ICH7-M & ICH7-U */ TCO_ICH7MDH, /* ICH7-M DH */ TCO_ICH8, /* ICH8 & ICH8R */ - TCO_ICH8ME, /* ICH8M-E */ TCO_ICH8DH, /* ICH8DH */ TCO_ICH8DO, /* ICH8DO */ TCO_ICH8M, /* ICH8M */ + TCO_ICH8ME, /* ICH8M-E */ TCO_ICH9, /* ICH9 */ TCO_ICH9R, /* ICH9R */ TCO_ICH9DH, /* ICH9DH */ TCO_ICH9DO, /* ICH9DO */ - TCO_631XESB, /* 631xESB/632xESB */ + TCO_ICH9M, /* ICH9M */ + TCO_ICH9ME, /* ICH9M-E */ + TCO_ICH10, /* ICH10 */ + TCO_ICH10R, /* ICH10R */ + TCO_ICH10D, /* ICH10D */ + TCO_ICH10DO, /* ICH10DO */ }; static struct { @@ -129,19 +142,26 @@ static struct { {"ICH6 or ICH6R", 2}, {"ICH6-M", 2}, {"ICH6W or ICH6RW", 2}, + {"631xESB/632xESB", 2}, {"ICH7 or ICH7R", 2}, - {"ICH7-M", 2}, + {"ICH7DH", 2}, + {"ICH7-M or ICH7-U", 2}, {"ICH7-M DH", 2}, {"ICH8 or ICH8R", 2}, - {"ICH8M-E", 2}, {"ICH8DH", 2}, {"ICH8DO", 2}, {"ICH8M", 2}, + {"ICH8M-E", 2}, {"ICH9", 2}, {"ICH9R", 2}, {"ICH9DH", 2}, {"ICH9DO", 2}, - {"631xESB/632xESB", 2}, + {"ICH9M", 2}, + {"ICH9M-E", 2}, + {"ICH10", 2}, + {"ICH10R", 2}, + {"ICH10D", 2}, + {"ICH10DO", 2}, {NULL, 0} }; @@ -175,18 +195,6 @@ static struct pci_device_id iTCO_wdt_pci_tbl[] = { { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH6_0, TCO_ICH6)}, { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH6_1, TCO_ICH6M)}, { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH6_2, TCO_ICH6W)}, - { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_0, TCO_ICH7)}, - { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_1, TCO_ICH7M)}, - { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_31, TCO_ICH7MDH)}, - { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_0, TCO_ICH8)}, - { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_1, TCO_ICH8ME)}, - { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_2, TCO_ICH8DH)}, - { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_3, TCO_ICH8DO)}, - { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_4, TCO_ICH8M)}, - { ITCO_PCI_DEVICE(0x2918, TCO_ICH9)}, - { ITCO_PCI_DEVICE(0x2916, TCO_ICH9R)}, - { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH9_2, TCO_ICH9DH)}, - { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH9_4, TCO_ICH9DO)}, { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ESB2_0, TCO_631XESB)}, { ITCO_PCI_DEVICE(0x2671, TCO_631XESB)}, { ITCO_PCI_DEVICE(0x2672, TCO_631XESB)}, @@ -203,6 +211,25 @@ static struct pci_device_id iTCO_wdt_pci_tbl[] = { { ITCO_PCI_DEVICE(0x267d, TCO_631XESB)}, { ITCO_PCI_DEVICE(0x267e, TCO_631XESB)}, { ITCO_PCI_DEVICE(0x267f, TCO_631XESB)}, + { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_0, TCO_ICH7)}, + { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_30, TCO_ICH7DH)}, + { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_1, TCO_ICH7M)}, + { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_31, TCO_ICH7MDH)}, + { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_0, TCO_ICH8)}, + { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_2, TCO_ICH8DH)}, + { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_3, TCO_ICH8DO)}, + { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_4, TCO_ICH8M)}, + { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_1, TCO_ICH8ME)}, + { ITCO_PCI_DEVICE(0x2918, TCO_ICH9)}, + { ITCO_PCI_DEVICE(0x2916, TCO_ICH9R)}, + { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH9_2, TCO_ICH9DH)}, + { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH9_4, TCO_ICH9DO)}, + { ITCO_PCI_DEVICE(0x2919, TCO_ICH9M)}, + { ITCO_PCI_DEVICE(0x2917, TCO_ICH9ME)}, + { ITCO_PCI_DEVICE(0x3a18, TCO_ICH10)}, + { ITCO_PCI_DEVICE(0x3a16, TCO_ICH10R)}, + { ITCO_PCI_DEVICE(0x3a1a, TCO_ICH10D)}, + { ITCO_PCI_DEVICE(0x3a14, TCO_ICH10DO)}, { 0, }, /* End of list */ }; MODULE_DEVICE_TABLE(pci, iTCO_wdt_pci_tbl); @@ -311,6 +338,7 @@ static int iTCO_wdt_unset_NO_REBOOT_bit(void) static int iTCO_wdt_start(void) { unsigned int val; + unsigned long val32; spin_lock(&iTCO_wdt_private.io_lock); @@ -323,6 +351,18 @@ static int iTCO_wdt_start(void) return -EIO; } + /* Bit 13: TCO_EN -> 0 = Disables TCO logic generating an SMI# */ + val32 = inl(SMI_EN); + val32 &= 0xffffdfff; /* Turn off SMI clearing watchdog */ + outl(val32, SMI_EN); + + /* Force the timer to its reload value by writing to the TCO_RLD + register */ + if (iTCO_wdt_private.iTCO_version == 2) + outw(0x01, TCO_RLD); + else if (iTCO_wdt_private.iTCO_version == 1) + outb(0x01, TCO_RLD); + /* Bit 11: TCO Timer Halt -> 0 = The TCO timer is enabled to count */ val = inw(TCO1_CNT); val &= 0xf7ff; @@ -338,6 +378,7 @@ static int iTCO_wdt_start(void) static int iTCO_wdt_stop(void) { unsigned int val; + unsigned long val32; spin_lock(&iTCO_wdt_private.io_lock); @@ -349,6 +390,11 @@ static int iTCO_wdt_stop(void) outw(val, TCO1_CNT); val = inw(TCO1_CNT); + /* Bit 13: TCO_EN -> 1 = Enables the TCO logic to generate SMI# */ + val32 = inl(SMI_EN); + val32 |= 0x00002000; + outl(val32, SMI_EN); + /* Set the NO_REBOOT bit to prevent later reboots, just for sure */ iTCO_wdt_set_NO_REBOOT_bit(); @@ -459,7 +505,6 @@ static int iTCO_wdt_open(struct inode *inode, struct file *file) /* * Reload and activate timer */ - iTCO_wdt_keepalive(); iTCO_wdt_start(); return nonseekable_open(inode, file); } @@ -604,7 +649,6 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev, int ret; u32 base_address; unsigned long RCBA; - unsigned long val32; /* * Find the ACPI/PM base I/O address which is the base @@ -644,17 +688,13 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev, /* Set the NO_REBOOT bit to prevent later reboots, just for sure */ iTCO_wdt_set_NO_REBOOT_bit(); - /* Set the TCO_EN bit in SMI_EN register */ + /* The TCO logic uses the TCO_EN bit in the SMI_EN register */ if (!request_region(SMI_EN, 4, "iTCO_wdt")) { printk(KERN_ERR PFX "I/O address 0x%04lx already in use\n", SMI_EN); ret = -EIO; goto out; } - val32 = inl(SMI_EN); - val32 &= 0xffffdfff; /* Turn off SMI clearing watchdog */ - outl(val32, SMI_EN); - release_region(SMI_EN, 4); /* The TCO I/O registers reside in a 32-byte range pointed to by the TCOBASE value */ @@ -662,7 +702,7 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev, printk(KERN_ERR PFX "I/O address 0x%04lx already in use\n", TCOBASE); ret = -EIO; - goto out; + goto unreg_smi_en; } printk(KERN_INFO PFX @@ -672,8 +712,9 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev, TCOBASE); /* Clear out the (probably old) status */ - outb(0, TCO1_STS); - outb(3, TCO2_STS); + outb(8, TCO1_STS); /* Clear the Time Out Status bit */ + outb(2, TCO2_STS); /* Clear SECOND_TO_STS bit */ + outb(4, TCO2_STS); /* Clear BOOT_STS bit */ /* Make sure the watchdog is not running */ iTCO_wdt_stop(); @@ -701,6 +742,8 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev, unreg_region: release_region(TCOBASE, 0x20); +unreg_smi_en: + release_region(SMI_EN, 4); out: if (iTCO_wdt_private.iTCO_version == 2) iounmap(iTCO_wdt_private.gcs); @@ -718,6 +761,7 @@ static void __devexit iTCO_wdt_cleanup(void) /* Deregister */ misc_deregister(&iTCO_wdt_miscdev); release_region(TCOBASE, 0x20); + release_region(SMI_EN, 4); if (iTCO_wdt_private.iTCO_version == 2) iounmap(iTCO_wdt_private.gcs); pci_dev_put(iTCO_wdt_private.pdev); @@ -782,8 +826,8 @@ static int __init iTCO_wdt_init_module(void) { int err; - printk(KERN_INFO PFX "Intel TCO WatchDog Timer Driver v%s (%s)\n", - DRV_VERSION, DRV_RELDATE); + printk(KERN_INFO PFX "Intel TCO WatchDog Timer Driver v%s\n", + DRV_VERSION); err = platform_driver_register(&iTCO_wdt_driver); if (err) diff --git a/drivers/watchdog/ib700wdt.c b/drivers/watchdog/ib700wdt.c index 8782ec1f5aa..317ef2b16cf 100644 --- a/drivers/watchdog/ib700wdt.c +++ b/drivers/watchdog/ib700wdt.c @@ -11,8 +11,8 @@ * Based on acquirewdt.c which is based on wdt.c. * Original copyright messages: * - * (c) Copyright 1996 Alan Cox <alan@redhat.com>, All Rights Reserved. - * http://www.redhat.com + * (c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>, + * All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -23,7 +23,7 @@ * warranty for any of this software. This material is provided * "AS-IS" and at no charge. * - * (c) Copyright 1995 Alan Cox <alan@redhat.com> + * (c) Copyright 1995 Alan Cox <alan@lxorguk.ukuu.org.uk> * * 14-Dec-2001 Matt Domsch <Matt_Domsch@dell.com> * Added nowayout module option to override CONFIG_WATCHDOG_NOWAYOUT diff --git a/drivers/watchdog/indydog.c b/drivers/watchdog/indydog.c index 73c9e7992fe..0f761db9a27 100644 --- a/drivers/watchdog/indydog.c +++ b/drivers/watchdog/indydog.c @@ -9,7 +9,7 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * - * based on softdog.c by Alan Cox <alan@redhat.com> + * based on softdog.c by Alan Cox <alan@lxorguk.ukuu.org.uk> */ #include <linux/module.h> diff --git a/drivers/watchdog/mpcore_wdt.c b/drivers/watchdog/mpcore_wdt.c index 2a9bfa81f9d..1130ad697ce 100644 --- a/drivers/watchdog/mpcore_wdt.c +++ b/drivers/watchdog/mpcore_wdt.c @@ -4,8 +4,8 @@ * (c) Copyright 2004 ARM Limited * * Based on the SoftDog driver: - * (c) Copyright 1996 Alan Cox <alan@redhat.com>, All Rights Reserved. - * http://www.redhat.com + * (c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>, + * All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/watchdog/mtx-1_wdt.c b/drivers/watchdog/mtx-1_wdt.c index b4b7b0a4c11..3acce623f20 100644 --- a/drivers/watchdog/mtx-1_wdt.c +++ b/drivers/watchdog/mtx-1_wdt.c @@ -98,6 +98,8 @@ static void mtx1_wdt_reset(void) static void mtx1_wdt_start(void) { + unsigned long flags; + spin_lock_irqsave(&mtx1_wdt_device.lock, flags); if (!mtx1_wdt_device.queue) { mtx1_wdt_device.queue = 1; @@ -110,6 +112,8 @@ static void mtx1_wdt_start(void) static int mtx1_wdt_stop(void) { + unsigned long flags; + spin_lock_irqsave(&mtx1_wdt_device.lock, flags); if (mtx1_wdt_device.queue) { mtx1_wdt_device.queue = 0; diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c index 7bcbb7f4745..2f2ce7429f5 100644 --- a/drivers/watchdog/omap_wdt.c +++ b/drivers/watchdog/omap_wdt.c @@ -16,7 +16,7 @@ * 20030527: George G. Davis <gdavis@mvista.com> * Initially based on linux-2.4.19-rmk7-pxa1/drivers/char/sa1100_wdt.c * (c) Copyright 2000 Oleg Drokin <green@crimea.edu> - * Based on SoftDog driver by Alan Cox <alan@redhat.com> + * Based on SoftDog driver by Alan Cox <alan@lxorguk.ukuu.org.uk> * * Copyright (c) 2004 Texas Instruments. * 1. Modified to support OMAP1610 32-KHz watchdog timer diff --git a/drivers/watchdog/pcwd_pci.c b/drivers/watchdog/pcwd_pci.c index 90eb1d4271d..5d76422c402 100644 --- a/drivers/watchdog/pcwd_pci.c +++ b/drivers/watchdog/pcwd_pci.c @@ -6,7 +6,7 @@ * Based on source code of the following authors: * Ken Hollis <kenji@bitgate.com>, * Lindsay Harris <lindsay@bluegum.com>, - * Alan Cox <alan@redhat.com>, + * Alan Cox <alan@lxorguk.ukuu.org.uk>, * Matt Domsch <Matt_Domsch@dell.com>, * Rob Radez <rob@osinvestor.com> * diff --git a/drivers/watchdog/pcwd_usb.c b/drivers/watchdog/pcwd_usb.c index c1685c942de..afb089695da 100644 --- a/drivers/watchdog/pcwd_usb.c +++ b/drivers/watchdog/pcwd_usb.c @@ -5,7 +5,7 @@ * * Based on source code of the following authors: * Ken Hollis <kenji@bitgate.com>, - * Alan Cox <alan@redhat.com>, + * Alan Cox <alan@lxorguk.ukuu.org.uk>, * Matt Domsch <Matt_Domsch@dell.com>, * Rob Radez <rob@osinvestor.com>, * Greg Kroah-Hartman <greg@kroah.com> diff --git a/drivers/watchdog/rc32434_wdt.c b/drivers/watchdog/rc32434_wdt.c index c9c73b69c5e..57027f4653c 100644 --- a/drivers/watchdog/rc32434_wdt.c +++ b/drivers/watchdog/rc32434_wdt.c @@ -7,7 +7,8 @@ * based on * SoftDog 0.05: A Software Watchdog Device * - * (c) Copyright 1996 Alan Cox <alan@redhat.com>, All Rights Reserved. + * (c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>, + * All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c index 86d42801de4..f7f6ce82a5e 100644 --- a/drivers/watchdog/s3c2410_wdt.c +++ b/drivers/watchdog/s3c2410_wdt.c @@ -6,7 +6,7 @@ * S3C2410 Watchdog Timer Support * * Based on, softdog.c by Alan Cox, - * (c) Copyright 1996 Alan Cox <alan@redhat.com> + * (c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/drivers/watchdog/sa1100_wdt.c b/drivers/watchdog/sa1100_wdt.c index 31a48437dc3..ed01e4c2bef 100644 --- a/drivers/watchdog/sa1100_wdt.c +++ b/drivers/watchdog/sa1100_wdt.c @@ -2,7 +2,7 @@ * Watchdog driver for the SA11x0/PXA2xx * * (c) Copyright 2000 Oleg Drokin <green@crimea.edu> - * Based on SoftDog driver by Alan Cox <alan@redhat.com> + * Based on SoftDog driver by Alan Cox <alan@lxorguk.ukuu.org.uk> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/watchdog/sb_wdog.c b/drivers/watchdog/sb_wdog.c index 27e526a07c9..38f5831c929 100644 --- a/drivers/watchdog/sb_wdog.c +++ b/drivers/watchdog/sb_wdog.c @@ -35,8 +35,8 @@ * Based on various other watchdog drivers, which are probably all * loosely based on something Alan Cox wrote years ago. * - * (c) Copyright 1996 Alan Cox <alan@redhat.com>, All Rights Reserved. - * http://www.redhat.com + * (c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>, + * All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/watchdog/sbc8360.c b/drivers/watchdog/sbc8360.c index fd83dd052d8..ae74f6bcfa2 100644 --- a/drivers/watchdog/sbc8360.c +++ b/drivers/watchdog/sbc8360.c @@ -16,8 +16,8 @@ * Based on acquirewdt.c which is based on wdt.c. * Original copyright messages: * - * (c) Copyright 1996 Alan Cox <alan@redhat.com>, All Rights Reserved. - * http://www.redhat.com + * (c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>, + * All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -28,7 +28,7 @@ * warranty for any of this software. This material is provided * "AS-IS" and at no charge. * - * (c) Copyright 1995 Alan Cox <alan@redhat.com> + * (c) Copyright 1995 Alan Cox <alan@lxorguk.ukuu.org.uk> * * 14-Dec-2001 Matt Domsch <Matt_Domsch@dell.com> * Added nowayout module option to override CONFIG_WATCHDOG_NOWAYOUT diff --git a/drivers/watchdog/sbc_epx_c3.c b/drivers/watchdog/sbc_epx_c3.c index e5e470ca775..06553debc7b 100644 --- a/drivers/watchdog/sbc_epx_c3.c +++ b/drivers/watchdog/sbc_epx_c3.c @@ -10,7 +10,7 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * - * based on softdog.c by Alan Cox <alan@redhat.com> + * based on softdog.c by Alan Cox <alan@lxorguk.ukuu.org.uk> */ #include <linux/module.h> diff --git a/drivers/watchdog/smsc37b787_wdt.c b/drivers/watchdog/smsc37b787_wdt.c index 988ff1d5b4b..2e56cad77d1 100644 --- a/drivers/watchdog/smsc37b787_wdt.c +++ b/drivers/watchdog/smsc37b787_wdt.c @@ -1,7 +1,7 @@ /* * SMsC 37B787 Watchdog Timer driver for Linux 2.6.x.x * - * Based on acquirewdt.c by Alan Cox <alan@redhat.com> + * Based on acquirewdt.c by Alan Cox <alan@lxorguk.ukuu.org.uk> * and some other existing drivers * * This program is free software; you can redistribute it and/or diff --git a/drivers/watchdog/softdog.c b/drivers/watchdog/softdog.c index c650464c5c6..7204f966211 100644 --- a/drivers/watchdog/softdog.c +++ b/drivers/watchdog/softdog.c @@ -1,8 +1,7 @@ /* * SoftDog 0.07: A Software Watchdog Device * - * (c) Copyright 1996 Alan Cox <alan@redhat.com>, All Rights Reserved. - * http://www.redhat.com + * (c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>, All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/watchdog/w83627hf_wdt.c b/drivers/watchdog/w83627hf_wdt.c index 69396adaa5c..916890abffd 100644 --- a/drivers/watchdog/w83627hf_wdt.c +++ b/drivers/watchdog/w83627hf_wdt.c @@ -11,8 +11,8 @@ * * (c) Copyright 2000-2001 Marek Michalkiewicz <marekm@linux.org.pl> * - * (c) Copyright 1996 Alan Cox <alan@redhat.com>, All Rights Reserved. - * http://www.redhat.com + * (c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>, + * All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -23,7 +23,7 @@ * warranty for any of this software. This material is provided * "AS-IS" and at no charge. * - * (c) Copyright 1995 Alan Cox <alan@redhat.com> + * (c) Copyright 1995 Alan Cox <alan@lxorguk.ukuu.org.uk> */ #include <linux/module.h> diff --git a/drivers/watchdog/w83697hf_wdt.c b/drivers/watchdog/w83697hf_wdt.c index 445d30a01ed..3c7aa412b1f 100644 --- a/drivers/watchdog/w83697hf_wdt.c +++ b/drivers/watchdog/w83697hf_wdt.c @@ -12,8 +12,8 @@ * * (c) Copyright 2000-2001 Marek Michalkiewicz <marekm@linux.org.pl> * - * (c) Copyright 1996 Alan Cox <alan@redhat.com>, All Rights Reserved. - * http://www.redhat.com + * (c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>, + * All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/watchdog/wafer5823wdt.c b/drivers/watchdog/wafer5823wdt.c index 68377ae171f..42e940c2389 100644 --- a/drivers/watchdog/wafer5823wdt.c +++ b/drivers/watchdog/wafer5823wdt.c @@ -10,8 +10,8 @@ * Based on advantechwdt.c which is based on wdt.c. * Original copyright messages: * - * (c) Copyright 1996-1997 Alan Cox <alan@redhat.com>, All Rights Reserved. - * http://www.redhat.com + * (c) Copyright 1996-1997 Alan Cox <alan@lxorguk.ukuu.org.uk>, + * All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/watchdog/wdt.c b/drivers/watchdog/wdt.c index deeebb2b13e..eddb9187e7b 100644 --- a/drivers/watchdog/wdt.c +++ b/drivers/watchdog/wdt.c @@ -1,8 +1,8 @@ /* * Industrial Computer Source WDT500/501 driver * - * (c) Copyright 1996-1997 Alan Cox <alan@redhat.com>, All Rights Reserved. - * http://www.redhat.com + * (c) Copyright 1996-1997 Alan Cox <alan@lxorguk.ukuu.org.uk>, + * All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/watchdog/wdt285.c b/drivers/watchdog/wdt285.c index 191ea630210..f55135662d7 100644 --- a/drivers/watchdog/wdt285.c +++ b/drivers/watchdog/wdt285.c @@ -6,7 +6,8 @@ * * SoftDog 0.05: A Software Watchdog Device * - * (c) Copyright 1996 Alan Cox <alan@redhat.com>, All Rights Reserved. + * (c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>, + * All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/watchdog/wdt_pci.c b/drivers/watchdog/wdt_pci.c index ed02bdb38c0..c45839a4a34 100644 --- a/drivers/watchdog/wdt_pci.c +++ b/drivers/watchdog/wdt_pci.c @@ -1,8 +1,8 @@ /* * Industrial Computer Source PCI-WDT500/501 driver * - * (c) Copyright 1996-1997 Alan Cox <alan@redhat.com>, All Rights Reserved. - * http://www.redhat.com + * (c) Copyright 1996-1997 Alan Cox <alan@lxorguk.ukuu.org.uk>, + * All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License |