diff options
Diffstat (limited to 'arch/sparc64')
| -rw-r--r-- | arch/sparc64/kernel/hvapi.c | 3 | ||||
| -rw-r--r-- | arch/sparc64/kernel/reboot.c | 4 | ||||
| -rw-r--r-- | arch/sparc64/kernel/sstate.c | 67 | ||||
| -rw-r--r-- | arch/sparc64/mm/init.c | 3 |
4 files changed, 45 insertions, 32 deletions
diff --git a/arch/sparc64/kernel/hvapi.c b/arch/sparc64/kernel/hvapi.c index 691760b5b01..1d272c3b574 100644 --- a/arch/sparc64/kernel/hvapi.c +++ b/arch/sparc64/kernel/hvapi.c @@ -9,7 +9,6 @@ #include <asm/hypervisor.h> #include <asm/oplib.h> -#include <asm/sstate.h> /* If the hypervisor indicates that the API setting * calls are unsupported, by returning HV_EBADTRAP or @@ -184,8 +183,6 @@ void __init sun4v_hvapi_init(void) if (sun4v_hvapi_register(group, major, &minor)) goto bad; - sun4v_sstate_init(); - return; bad: diff --git a/arch/sparc64/kernel/reboot.c b/arch/sparc64/kernel/reboot.c index 04dd34cbb87..11f24966063 100644 --- a/arch/sparc64/kernel/reboot.c +++ b/arch/sparc64/kernel/reboot.c @@ -7,7 +7,6 @@ #include <linux/module.h> #include <linux/pm.h> -#include <asm/sstate.h> #include <asm/oplib.h> #include <asm/prom.h> @@ -24,7 +23,6 @@ EXPORT_SYMBOL(pm_power_off); void machine_power_off(void) { - sstate_poweroff(); if (strcmp(of_console_device->type, "serial") || scons_pwroff) prom_halt_power_off(); @@ -33,7 +31,6 @@ void machine_power_off(void) void machine_halt(void) { - sstate_halt(); prom_halt(); panic("Halt failed!"); } @@ -42,7 +39,6 @@ void machine_restart(char *cmd) { char *p; - sstate_reboot(); p = strchr(reboot_command, '\n'); if (p) *p = 0; diff --git a/arch/sparc64/kernel/sstate.c b/arch/sparc64/kernel/sstate.c index 5b6e75b7f05..8cdbe5946b4 100644 --- a/arch/sparc64/kernel/sstate.c +++ b/arch/sparc64/kernel/sstate.c @@ -1,14 +1,15 @@ /* sstate.c: System soft state support. * - * Copyright (C) 2007 David S. Miller <davem@davemloft.net> + * Copyright (C) 2007, 2008 David S. Miller <davem@davemloft.net> */ #include <linux/kernel.h> #include <linux/notifier.h> +#include <linux/reboot.h> #include <linux/init.h> #include <asm/hypervisor.h> -#include <asm/sstate.h> +#include <asm/spitfire.h> #include <asm/oplib.h> #include <asm/head.h> #include <asm/io.h> @@ -50,31 +51,34 @@ static const char rebooting_msg[32] __attribute__((aligned(32))) = static const char panicing_msg[32] __attribute__((aligned(32))) = "Linux panicing"; -void sstate_booting(void) +static int sstate_reboot_call(struct notifier_block *np, unsigned long type, void *_unused) { - do_set_sstate(HV_SOFT_STATE_TRANSITION, booting_msg); -} + const char *msg; -void sstate_running(void) -{ - do_set_sstate(HV_SOFT_STATE_NORMAL, running_msg); -} + switch (type) { + case SYS_DOWN: + default: + msg = rebooting_msg; + break; -void sstate_halt(void) -{ - do_set_sstate(HV_SOFT_STATE_TRANSITION, halting_msg); -} + case SYS_HALT: + msg = halting_msg; + break; -void sstate_poweroff(void) -{ - do_set_sstate(HV_SOFT_STATE_TRANSITION, poweroff_msg); -} + case SYS_POWER_OFF: + msg = poweroff_msg; + break; + } -void sstate_reboot(void) -{ - do_set_sstate(HV_SOFT_STATE_TRANSITION, rebooting_msg); + do_set_sstate(HV_SOFT_STATE_TRANSITION, msg); + + return NOTIFY_OK; } +static struct notifier_block sstate_reboot_notifier = { + .notifier_call = sstate_reboot_call, +}; + static int sstate_panic_event(struct notifier_block *n, unsigned long event, void *ptr) { do_set_sstate(HV_SOFT_STATE_TRANSITION, panicing_msg); @@ -87,18 +91,37 @@ static struct notifier_block sstate_panic_block = { .priority = INT_MAX, }; -void __init sun4v_sstate_init(void) +static int __init sstate_init(void) { unsigned long major, minor; + if (tlb_type != hypervisor) + return 0; + major = 1; minor = 0; if (sun4v_hvapi_register(HV_GRP_SOFT_STATE, major, &minor)) - return; + return 0; hv_supports_soft_state = 1; prom_sun4v_guest_soft_state(); + + do_set_sstate(HV_SOFT_STATE_TRANSITION, booting_msg); + atomic_notifier_chain_register(&panic_notifier_list, &sstate_panic_block); + register_reboot_notifier(&sstate_reboot_notifier); + + return 0; } + +core_initcall(sstate_init); + +static int __init sstate_running(void) +{ + do_set_sstate(HV_SOFT_STATE_NORMAL, running_msg); + return 0; +} + +late_initcall(sstate_running); diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index 54193f2d0ab..7c3c81f60a6 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -46,7 +46,6 @@ #include <asm/tsb.h> #include <asm/hypervisor.h> #include <asm/prom.h> -#include <asm/sstate.h> #include <asm/mdesc.h> #include <asm/cpudata.h> #include <asm/irq.h> @@ -1717,8 +1716,6 @@ void __init paging_init(void) kern_base = (prom_boot_mapping_phys_low >> 22UL) << 22UL; kern_size = (unsigned long)&_end - (unsigned long)KERNBASE; - sstate_booting(); - /* Invalidate both kernel TSBs. */ memset(swapper_tsb, 0x40, sizeof(swapper_tsb)); #ifndef CONFIG_DEBUG_PAGEALLOC |