diff options
Diffstat (limited to 'drivers/watchdog/hpwdt.c')
| -rw-r--r-- | drivers/watchdog/hpwdt.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index 11796b9..45b979d 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -39,7 +39,7 @@ #endif /* CONFIG_HPWDT_NMI_DECODING */ #include <asm/nmi.h> -#define HPWDT_VERSION "1.3.1" +#define HPWDT_VERSION "1.3.2" #define SECS_TO_TICKS(secs) ((secs) * 1000 / 128) #define TICKS_TO_SECS(ticks) ((ticks) * 128 / 1000) #define HPWDT_MAX_TIMER TICKS_TO_SECS(65535) @@ -148,6 +148,7 @@ struct cmn_registers { static unsigned int hpwdt_nmi_decoding; static unsigned int allow_kdump = 1; static unsigned int is_icru; +static unsigned int is_uefi; static DEFINE_SPINLOCK(rom_lock); static void *cru_rom_addr; static struct cmn_registers cmn_regs; @@ -161,7 +162,8 @@ extern asmlinkage void asminline_call(struct cmn_registers *pi86Regs, #define HPWDT_ARCH 32 asm(".text \n\t" - ".align 4 \n" + ".align 4 \n\t" + ".globl asminline_call \n" "asminline_call: \n\t" "pushl %ebp \n\t" "movl %esp, %ebp \n\t" @@ -351,7 +353,8 @@ static int detect_cru_service(void) #define HPWDT_ARCH 64 asm(".text \n\t" - ".align 4 \n" + ".align 4 \n\t" + ".globl asminline_call \n" "asminline_call: \n\t" "pushq %rbp \n\t" "movq %rsp, %rbp \n\t" @@ -484,7 +487,7 @@ static int hpwdt_pretimeout(unsigned int ulReason, struct pt_regs *regs) goto out; spin_lock_irqsave(&rom_lock, rom_pl); - if (!die_nmi_called && !is_icru) + if (!die_nmi_called && !is_icru && !is_uefi) asminline_call(&cmn_regs, cru_rom_addr); die_nmi_called = 1; spin_unlock_irqrestore(&rom_lock, rom_pl); @@ -492,7 +495,7 @@ static int hpwdt_pretimeout(unsigned int ulReason, struct pt_regs *regs) if (allow_kdump) hpwdt_stop(); - if (!is_icru) { + if (!is_icru && !is_uefi) { if (cmn_regs.u1.ral == 0) { panic("An NMI occurred, " "but unable to determine source.\n"); @@ -679,6 +682,8 @@ static void dmi_find_icru(const struct dmi_header *dm, void *dummy) smbios_proliant_ptr = (struct smbios_proliant_info *) dm; if (smbios_proliant_ptr->misc_features & 0x01) is_icru = 1; + if (smbios_proliant_ptr->misc_features & 0x408) + is_uefi = 1; } } @@ -697,7 +702,7 @@ static int hpwdt_init_nmi_decoding(struct pci_dev *dev) * the old cru detect code. */ dmi_walk(dmi_find_icru, NULL); - if (!is_icru) { + if (!is_icru && !is_uefi) { /* * We need to map the ROM to get the CRU service. @@ -797,6 +802,12 @@ static int hpwdt_init_one(struct pci_dev *dev, return -ENODEV; } + /* + * Ignore all auxilary iLO devices with the following PCI ID + */ + if (dev->subsystem_device == 0x1979) + return -ENODEV; + if (pci_enable_device(dev)) { dev_warn(&dev->dev, "Not possible to enable PCI Device: 0x%x:0x%x.\n", @@ -870,7 +881,6 @@ MODULE_AUTHOR("Tom Mingarelli"); MODULE_DESCRIPTION("hp watchdog driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(HPWDT_VERSION); -MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); module_param(soft_margin, int, 0); MODULE_PARM_DESC(soft_margin, "Watchdog timeout in seconds"); |