提交 8418804e 编写于 作者: M Michael Ellerman

Merge branch 'topic/pm-power-off' into next

......@@ -142,7 +142,6 @@ struct machdep_calls {
#endif
void (*restart)(char *cmd);
void (*power_off)(void);
void (*halt)(void);
void (*panic)(char *str);
void (*cpu_die)(void);
......
......@@ -139,8 +139,8 @@ void machine_restart(char *cmd)
void machine_power_off(void)
{
machine_shutdown();
if (ppc_md.power_off)
ppc_md.power_off();
if (pm_power_off)
pm_power_off();
#ifdef CONFIG_SMP
smp_send_stop();
#endif
......@@ -151,7 +151,7 @@ void machine_power_off(void)
/* Used by the G5 thermal driver */
EXPORT_SYMBOL_GPL(machine_power_off);
void (*pm_power_off)(void) = machine_power_off;
void (*pm_power_off)(void);
EXPORT_SYMBOL_GPL(pm_power_off);
void machine_halt(void)
......
......@@ -94,7 +94,7 @@ static int avr_probe(struct i2c_client *client,
{
avr_i2c_client = client;
ppc_md.restart = avr_reset_system;
ppc_md.power_off = avr_power_off_system;
pm_power_off = avr_power_off_system;
return 0;
}
......
......@@ -212,6 +212,8 @@ static int __init efika_probe(void)
DMA_MODE_READ = 0x44;
DMA_MODE_WRITE = 0x48;
pm_power_off = rtas_power_off;
return 1;
}
......@@ -225,7 +227,6 @@ define_machine(efika)
.init_IRQ = mpc52xx_init_irq,
.get_irq = mpc52xx_get_irq,
.restart = rtas_restart,
.power_off = rtas_power_off,
.halt = rtas_halt,
.set_rtc_time = rtas_set_rtc_time,
.get_rtc_time = rtas_get_rtc_time,
......
......@@ -167,10 +167,10 @@ static int mcu_probe(struct i2c_client *client, const struct i2c_device_id *id)
if (ret)
goto err;
/* XXX: this is potentially racy, but there is no lock for ppc_md */
if (!ppc_md.power_off) {
/* XXX: this is potentially racy, but there is no lock for pm_power_off */
if (!pm_power_off) {
glob_mcu = mcu;
ppc_md.power_off = mcu_power_off;
pm_power_off = mcu_power_off;
dev_info(&client->dev, "will provide power-off service\n");
}
......@@ -197,7 +197,7 @@ static int mcu_remove(struct i2c_client *client)
device_remove_file(&client->dev, &dev_attr_status);
if (glob_mcu == mcu) {
ppc_md.power_off = NULL;
pm_power_off = NULL;
glob_mcu = NULL;
}
......
......@@ -170,7 +170,7 @@ static int __init corenet_generic_probe(void)
ppc_md.get_irq = ehv_pic_get_irq;
ppc_md.restart = fsl_hv_restart;
ppc_md.power_off = fsl_hv_halt;
pm_power_off = fsl_hv_halt;
ppc_md.halt = fsl_hv_halt;
#ifdef CONFIG_SMP
/*
......
......@@ -120,7 +120,7 @@ static int gpio_halt_probe(struct platform_device *pdev)
/* Register our halt function */
ppc_md.halt = gpio_halt_cb;
ppc_md.power_off = gpio_halt_cb;
pm_power_off = gpio_halt_cb;
printk(KERN_INFO "gpio-halt: registered GPIO %d (%d trigger, %d"
" irq).\n", gpio, trigger, irq);
......@@ -137,7 +137,7 @@ static int gpio_halt_remove(struct platform_device *pdev)
free_irq(irq, halt_node);
ppc_md.halt = NULL;
ppc_md.power_off = NULL;
pm_power_off = NULL;
gpio_free(gpio);
......
......@@ -142,6 +142,7 @@ static int __init celleb_probe_beat(void)
powerpc_firmware_features |= FW_FEATURE_CELLEB_ALWAYS
| FW_FEATURE_BEAT | FW_FEATURE_LPAR;
hpte_init_beat_v3();
pm_power_off = beat_power_off;
return 1;
}
......@@ -190,6 +191,7 @@ static int __init celleb_probe_native(void)
powerpc_firmware_features |= FW_FEATURE_CELLEB_ALWAYS;
hpte_init_native();
pm_power_off = rtas_power_off;
return 1;
}
......@@ -204,7 +206,6 @@ define_machine(celleb_beat) {
.setup_arch = celleb_setup_arch_beat,
.show_cpuinfo = celleb_show_cpuinfo,
.restart = beat_restart,
.power_off = beat_power_off,
.halt = beat_halt,
.get_rtc_time = beat_get_rtc_time,
.set_rtc_time = beat_set_rtc_time,
......@@ -230,7 +231,6 @@ define_machine(celleb_native) {
.setup_arch = celleb_setup_arch_native,
.show_cpuinfo = celleb_show_cpuinfo,
.restart = rtas_restart,
.power_off = rtas_power_off,
.halt = rtas_halt,
.get_boot_time = rtas_get_boot_time,
.get_rtc_time = rtas_get_rtc_time,
......
......@@ -127,6 +127,7 @@ static int __init qpace_probe(void)
return 0;
hpte_init_native();
pm_power_off = rtas_power_off;
return 1;
}
......@@ -137,7 +138,6 @@ define_machine(qpace) {
.setup_arch = qpace_setup_arch,
.show_cpuinfo = qpace_show_cpuinfo,
.restart = rtas_restart,
.power_off = rtas_power_off,
.halt = rtas_halt,
.get_boot_time = rtas_get_boot_time,
.get_rtc_time = rtas_get_rtc_time,
......
......@@ -259,6 +259,7 @@ static int __init cell_probe(void)
return 0;
hpte_init_native();
pm_power_off = rtas_power_off;
return 1;
}
......@@ -269,7 +270,6 @@ define_machine(cell) {
.setup_arch = cell_setup_arch,
.show_cpuinfo = cell_show_cpuinfo,
.restart = rtas_restart,
.power_off = rtas_power_off,
.halt = rtas_halt,
.get_boot_time = rtas_get_boot_time,
.get_rtc_time = rtas_get_rtc_time,
......
......@@ -585,6 +585,8 @@ static int __init chrp_probe(void)
DMA_MODE_READ = 0x44;
DMA_MODE_WRITE = 0x48;
pm_power_off = rtas_power_off;
return 1;
}
......@@ -597,7 +599,6 @@ define_machine(chrp) {
.show_cpuinfo = chrp_show_cpuinfo,
.init_IRQ = chrp_init_IRQ,
.restart = rtas_restart,
.power_off = rtas_power_off,
.halt = rtas_halt,
.time_init = chrp_time_init,
.set_rtc_time = chrp_set_rtc_time,
......
......@@ -67,6 +67,8 @@ static int __init gamecube_probe(void)
if (!of_flat_dt_is_compatible(dt_root, "nintendo,gamecube"))
return 0;
pm_power_off = gamecube_power_off;
return 1;
}
......@@ -80,7 +82,6 @@ define_machine(gamecube) {
.probe = gamecube_probe,
.init_early = gamecube_init_early,
.restart = gamecube_restart,
.power_off = gamecube_power_off,
.halt = gamecube_halt,
.init_IRQ = flipper_pic_probe,
.get_irq = flipper_pic_get_irq,
......
......@@ -147,6 +147,9 @@ static int __init linkstation_probe(void)
if (!of_flat_dt_is_compatible(root, "linkstation"))
return 0;
pm_power_off = linkstation_power_off;
return 1;
}
......@@ -158,7 +161,6 @@ define_machine(linkstation){
.show_cpuinfo = linkstation_show_cpuinfo,
.get_irq = mpic_get_irq,
.restart = linkstation_restart,
.power_off = linkstation_power_off,
.halt = linkstation_halt,
.calibrate_decr = generic_calibrate_decr,
};
......@@ -211,6 +211,8 @@ static int __init wii_probe(void)
if (!of_flat_dt_is_compatible(dt_root, "nintendo,wii"))
return 0;
pm_power_off = wii_power_off;
return 1;
}
......@@ -226,7 +228,6 @@ define_machine(wii) {
.init_early = wii_init_early,
.setup_arch = wii_setup_arch,
.restart = wii_restart,
.power_off = wii_power_off,
.halt = wii_halt,
.init_IRQ = wii_pic_probe,
.get_irq = flipper_pic_get_irq,
......
......@@ -169,7 +169,7 @@ static void __init maple_use_rtas_reboot_and_halt_if_present(void)
if (rtas_service_present("system-reboot") &&
rtas_service_present("power-off")) {
ppc_md.restart = rtas_restart;
ppc_md.power_off = rtas_power_off;
pm_power_off = rtas_power_off;
ppc_md.halt = rtas_halt;
}
}
......@@ -312,6 +312,7 @@ static int __init maple_probe(void)
alloc_dart_table();
hpte_init_native();
pm_power_off = maple_power_off;
return 1;
}
......@@ -325,7 +326,6 @@ define_machine(maple) {
.pci_irq_fixup = maple_pci_irq_fixup,
.pci_get_legacy_ide_irq = maple_pci_get_legacy_ide_irq,
.restart = maple_restart,
.power_off = maple_power_off,
.halt = maple_halt,
.get_boot_time = maple_get_boot_time,
.set_rtc_time = maple_set_rtc_time,
......
......@@ -632,6 +632,8 @@ static int __init pmac_probe(void)
smu_cmdbuf_abs = memblock_alloc_base(4096, 4096, 0x80000000UL);
#endif /* CONFIG_PMAC_SMU */
pm_power_off = pmac_power_off;
return 1;
}
......@@ -663,7 +665,6 @@ define_machine(powermac) {
.get_irq = NULL, /* changed later */
.pci_irq_fixup = pmac_pci_irq_fixup,
.restart = pmac_restart,
.power_off = pmac_power_off,
.halt = pmac_halt,
.time_init = pmac_time_init,
.get_boot_time = pmac_get_boot_time,
......
......@@ -268,7 +268,7 @@ static void __init pnv_setup_machdep_opal(void)
ppc_md.get_rtc_time = opal_get_rtc_time;
ppc_md.set_rtc_time = opal_set_rtc_time;
ppc_md.restart = pnv_restart;
ppc_md.power_off = pnv_power_off;
pm_power_off = pnv_power_off;
ppc_md.halt = pnv_halt;
ppc_md.machine_check_exception = opal_machine_check;
ppc_md.mce_check_early_recovery = opal_mce_check_early_recovery;
......@@ -285,7 +285,7 @@ static void __init pnv_setup_machdep_rtas(void)
ppc_md.set_rtc_time = rtas_set_rtc_time;
}
ppc_md.restart = rtas_restart;
ppc_md.power_off = rtas_power_off;
pm_power_off = rtas_power_off;
ppc_md.halt = rtas_halt;
}
#endif /* CONFIG_PPC_POWERNV_RTAS */
......
......@@ -248,6 +248,7 @@ static int __init ps3_probe(void)
ps3_mm_init();
ps3_mm_vas_create(&htab_size);
ps3_hpte_init(htab_size);
pm_power_off = ps3_power_off;
DBG(" <- %s:%d\n", __func__, __LINE__);
return 1;
......@@ -278,7 +279,6 @@ define_machine(ps3) {
.calibrate_decr = ps3_calibrate_decr,
.progress = ps3_progress,
.restart = ps3_restart,
.power_off = ps3_power_off,
.halt = ps3_halt,
#if defined(CONFIG_KEXEC)
.kexec_cpu_down = ps3_kexec_cpu_down,
......
......@@ -659,6 +659,34 @@ static void __init pSeries_init_early(void)
pr_debug(" <- pSeries_init_early()\n");
}
/**
* pseries_power_off - tell firmware about how to power off the system.
*
* This function calls either the power-off rtas token in normal cases
* or the ibm,power-off-ups token (if present & requested) in case of
* a power failure. If power-off token is used, power on will only be
* possible with power button press. If ibm,power-off-ups token is used
* it will allow auto poweron after power is restored.
*/
static void pseries_power_off(void)
{
int rc;
int rtas_poweroff_ups_token = rtas_token("ibm,power-off-ups");
if (rtas_flash_term_hook)
rtas_flash_term_hook(SYS_POWER_OFF);
if (rtas_poweron_auto == 0 ||
rtas_poweroff_ups_token == RTAS_UNKNOWN_SERVICE) {
rc = rtas_call(rtas_token("power-off"), 2, 1, NULL, -1, -1);
printk(KERN_INFO "RTAS power-off returned %d\n", rc);
} else {
rc = rtas_call(rtas_poweroff_ups_token, 0, 1, NULL);
printk(KERN_INFO "RTAS ibm,power-off-ups returned %d\n", rc);
}
for (;;);
}
/*
* Called very early, MMU is off, device-tree isn't unflattened
*/
......@@ -741,6 +769,8 @@ static int __init pSeries_probe(void)
else
hpte_init_native();
pm_power_off = pseries_power_off;
pr_debug("Machine is%s LPAR !\n",
(powerpc_firmware_features & FW_FEATURE_LPAR) ? "" : " not");
......@@ -754,34 +784,6 @@ static int pSeries_pci_probe_mode(struct pci_bus *bus)
return PCI_PROBE_NORMAL;
}
/**
* pSeries_power_off - tell firmware about how to power off the system.
*
* This function calls either the power-off rtas token in normal cases
* or the ibm,power-off-ups token (if present & requested) in case of
* a power failure. If power-off token is used, power on will only be
* possible with power button press. If ibm,power-off-ups token is used
* it will allow auto poweron after power is restored.
*/
static void pSeries_power_off(void)
{
int rc;
int rtas_poweroff_ups_token = rtas_token("ibm,power-off-ups");
if (rtas_flash_term_hook)
rtas_flash_term_hook(SYS_POWER_OFF);
if (rtas_poweron_auto == 0 ||
rtas_poweroff_ups_token == RTAS_UNKNOWN_SERVICE) {
rc = rtas_call(rtas_token("power-off"), 2, 1, NULL, -1, -1);
printk(KERN_INFO "RTAS power-off returned %d\n", rc);
} else {
rc = rtas_call(rtas_poweroff_ups_token, 0, 1, NULL);
printk(KERN_INFO "RTAS ibm,power-off-ups returned %d\n", rc);
}
for (;;);
}
#ifndef CONFIG_PCI
void pSeries_final_fixup(void) { }
#endif
......@@ -796,7 +798,6 @@ define_machine(pseries) {
.pcibios_fixup = pSeries_final_fixup,
.pci_probe_mode = pSeries_pci_probe_mode,
.restart = rtas_restart,
.power_off = pSeries_power_off,
.halt = rtas_halt,
.panic = rtas_os_term,
.get_boot_time = rtas_get_boot_time,
......
......@@ -238,7 +238,7 @@ void fsl_hv_restart(char *cmd)
/*
* Halt the current partition
*
* This function should be assigned to the ppc_md.power_off and ppc_md.halt
* This function should be assigned to the pm_power_off and ppc_md.halt
* function pointers, to shut down the partition when we're running under
* the Freescale hypervisor.
*/
......
......@@ -981,7 +981,8 @@ static void bootcmds(void)
else if (cmd == 'h')
ppc_md.halt();
else if (cmd == 'p')
ppc_md.power_off();
if (pm_power_off)
pm_power_off();
}
static int cpu_cmd(void)
......
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