Commit eebd1fda authored Mar 28, 2013 by Thierry Reding Committed by Stephen Warren Mar 29, 2013

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



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>

parent 99f69fea

arch/arm/mach-tegra/powergate.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -76,7 +76,7 @@ static int tegra_powergate_set(int id, bool new_state)

	if (status == new_state) {		if (status == new_state) {
	spin_unlock_irqrestore(&tegra_powergate_lock, flags);		spin_unlock_irqrestore(&tegra_powergate_lock, flags);
	return -EINVAL;		return 0;
	}		}

	pmc_write(PWRGATE_TOGGLE_START \| id, PWRGATE_TOGGLE);		pmc_write(PWRGATE_TOGGLE_START \| id, PWRGATE_TOGGLE);