diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-09-12 11:51:35 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-09-12 11:51:35 -0700 |
commit | 4c7527821c125c76432c30c8781667f55bed600c (patch) | |
tree | a4c4ffda304f6d871187b61fc0306cff3dbcf381 /arch/arm/mach-omap2/powerdomain.c | |
parent | 14d01ff5341866773e24c5b54a94f7e2520ca271 (diff) | |
parent | 15ce92861f7fe59de83667c0124a7ead3423c7a0 (diff) |
Merge branch 'fixes' of git://git.linaro.org/people/arnd/arm-soc
* 'fixes' of git://git.linaro.org/people/arnd/arm-soc:
ARM: CSR: add missing sentinels to of_device_id tables
ARM: cns3xxx: Fix newly introduced warnings in the PCIe code
ARM: cns3xxx: Fix compile error caused by hardware.h removed
ARM: davinci: fix cache flush build error
ARM: davinci: correct MDSTAT_STATE_MASK
ARM: davinci: da850 EVM: read mac address from SPI flash
OMAP: omap_device: fix !CONFIG_SUSPEND case in _noirq handlers
OMAP2430: hwmod: musb: add missing terminator to omap2430_usbhsotg_addrs[]
OMAP3: clock: indicate that gpt12_fck and wdt1_fck are in the WKUP clockdomain
OMAP4: clock: fix compile warning
OMAP4: clock: re-enable previous clockdomain enable/disable sequence
OMAP: clockdomain: Wait for powerdomain to be ON when using clockdomain force wakeup
OMAP: powerdomains: Make all powerdomain target states as ON at init
Diffstat (limited to 'arch/arm/mach-omap2/powerdomain.c')
-rw-r--r-- | arch/arm/mach-omap2/powerdomain.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index 9af08473bf1..ef71fdd40fc 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -195,28 +195,35 @@ static int _pwrdm_post_transition_cb(struct powerdomain *pwrdm, void *unused) /** * pwrdm_init - set up the powerdomain layer - * @pwrdm_list: array of struct powerdomain pointers to register + * @pwrdms: array of struct powerdomain pointers to register * @custom_funcs: func pointers for arch specific implementations * - * Loop through the array of powerdomains @pwrdm_list, registering all - * that are available on the current CPU. If pwrdm_list is supplied - * and not null, all of the referenced powerdomains will be - * registered. No return value. XXX pwrdm_list is not really a - * "list"; it is an array. Rename appropriately. + * Loop through the array of powerdomains @pwrdms, registering all + * that are available on the current CPU. Also, program all + * powerdomain target state as ON; this is to prevent domains from + * hitting low power states (if bootloader has target states set to + * something other than ON) and potentially even losing context while + * PM is not fully initialized. The PM late init code can then program + * the desired target state for all the power domains. No return + * value. */ -void pwrdm_init(struct powerdomain **pwrdm_list, struct pwrdm_ops *custom_funcs) +void pwrdm_init(struct powerdomain **pwrdms, struct pwrdm_ops *custom_funcs) { struct powerdomain **p = NULL; + struct powerdomain *temp_p; if (!custom_funcs) WARN(1, "powerdomain: No custom pwrdm functions registered\n"); else arch_pwrdm = custom_funcs; - if (pwrdm_list) { - for (p = pwrdm_list; *p; p++) + if (pwrdms) { + for (p = pwrdms; *p; p++) _pwrdm_register(*p); } + + list_for_each_entry(temp_p, &pwrdm_list, node) + pwrdm_set_next_pwrst(temp_p, PWRDM_POWER_ON); } /** |