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Commit 2be8951e authored by Joseph Lo's avatar Joseph Lo Committed by Stephen Warren
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ARM: tegra: fix the logical detection of power on sequence of warm boot CPUs 



The warm boot sequence of Tegra30 secondary CPUs should wait for the
power ready then removing the clamps.

This did not fix any known or unknown issue, but nice to have this fix.

Signed-off-by: default avatarJoseph Lo <josephl@nvidia.com>
Signed-off-by: default avatarStephen Warren <swarren@nvidia.com>
parent b4c25cc3

arch/arm/mach-tegra/platsmp.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -91,7 +91,7 @@ static int tegra30_power_up_cpu(unsigned int cpu) 
	if (cpumask_test_cpu(cpu, &tegra_cpu_init_mask)) {

	if (cpumask_test_cpu(cpu, &tegra_cpu_init_mask)) {

		timeout = jiffies + msecs_to_jiffies(50);

		timeout = jiffies + msecs_to_jiffies(50);

		do {

		do {

			if (!tegra_powergate_is_powered(pwrgateid))

			if (tegra_powergate_is_powered(pwrgateid))

				goto remove_clamps;

				goto remove_clamps;

			udelay(10);

			udelay(10);

		} while (time_before(jiffies, timeout));

		} while (time_before(jiffies, timeout));