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authorJiri Kosina <jkosina@suse.cz>2011-09-15 17:08:05 +0400
committerJiri Kosina <jkosina@suse.cz>2011-09-15 17:08:18 +0400
commite060c38434b2caa78efe7cedaff4191040b65a15 (patch)
tree407361230bf6733f63d8e788e4b5e6566ee04818 /arch/arm/mach-omap2/powerdomain.c
parent10e4ac572eeffe5317019bd7330b6058a400dfc2 (diff)
parentcc39c6a9bbdebfcf1a7dee64d83bf302bc38d941 (diff)
downloadlinux-e060c38434b2caa78efe7cedaff4191040b65a15.tar.xz
Merge branch 'master' into for-next
Fast-forward merge with Linus to be able to merge patches based on more recent version of the tree.
Diffstat (limited to 'arch/arm/mach-omap2/powerdomain.c')
-rw-r--r--arch/arm/mach-omap2/powerdomain.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index 9af08473bf10..ef71fdd40fc4 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);
}
/**