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[ARM] tegra: Disable clocks left on by bootloader

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Change-Id: I6651ab59b738787ec94f358d5789d950c3d1a563
Signed-off-by: Colin Cross <ccross@android.com>
This commit is contained in:
Colin Cross
2010-10-20 17:47:18 -07:00
parent b06eacd21e
commit 7ef0c96152
1 changed files with 24 additions and 0 deletions
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24
arch/arm/mach-tegra/clock.c
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@@ -511,6 +511,30 @@ int __init tegra_init_dvfs(void)
late_initcall(tegra_init_dvfs);
int __init tegra_disable_boot_clocks(void)
{
unsigned long flags;
struct clk *c;
spin_lock_irqsave(&clock_lock, flags);
list_for_each_entry(c, &clocks, node) {
if (c->refcnt == 0 && c->state == ON &&
c->ops && c->ops->disable) {
pr_warning("Disabling clock %s left on by bootloader\n",
c->name);
c->ops->disable(c);
c->state = OFF;
}
}
spin_unlock_irqrestore(&clock_lock, flags);
return 0;
}
late_initcall(tegra_disable_boot_clocks);
#ifdef CONFIG_DEBUG_FS
static struct dentry *clk_debugfs_root;