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author | Michael Ellerman <mpe@ellerman.id.au> | 2014-11-05 21:00:19 +1100 |
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committer | Michael Ellerman <mpe@ellerman.id.au> | 2014-11-05 21:00:19 +1100 |
commit | 8418804ef27e5f7988480d86ecf9dfd56cebc53b (patch) | |
tree | 576cfe0429fdf73582b6431b5cdc5f2d394d8f26 /arch/powerpc/platforms/pseries | |
parent | 8a97577a5967c1234ccc3bc1b45e4b1a58b39ea8 (diff) | |
parent | 9178ba294b6839eeff1a91bed95515d783f3ee6c (diff) | |
download | lwn-8418804ef27e5f7988480d86ecf9dfd56cebc53b.tar.gz lwn-8418804ef27e5f7988480d86ecf9dfd56cebc53b.zip |
Merge branch 'topic/pm-power-off' into next
Diffstat (limited to 'arch/powerpc/platforms/pseries')
-rw-r--r-- | arch/powerpc/platforms/pseries/setup.c | 59 |
1 files changed, 30 insertions, 29 deletions
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 125c589eeef5..db0fc0c07568 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -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, |