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ARM: tegra: powergate: Don't error out if new state == old state

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Don't treat it as an error if a partition is already in the same power
state when a user wants to power it on or off. This allows code to
proceed if no state change is required.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Thierry Reding
2013-03-28 21:35:04 +01:00
committed by Stephen Warren
parent 99f69fea23
commit eebd1fda23
1 changed files with 1 additions and 1 deletions
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2
arch/arm/mach-tegra/powergate.c
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@@ -76,7 +76,7 @@ static int tegra_powergate_set(int id, bool new_state)
if (status == new_state) {
spin_unlock_irqrestore(&tegra_powergate_lock, flags);
return -EINVAL;
return 0;
}
pmc_write(PWRGATE_TOGGLE_START | id, PWRGATE_TOGGLE);