Patchwork [2/3] ARM: tegra30: fix the logical detection of power on sequence of warm boot CPUs

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Submitter Joseph Lo
Date Feb. 22, 2013, 6:24 a.m.
Message ID <1361514267-12111-2-git-send-email-josephl@nvidia.com>
Download mbox | patch
Permalink /patch/222470/
State Accepted, archived
Headers show

Comments

Joseph Lo - Feb. 22, 2013, 6:24 a.m.
The warm boo sequence of 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: Joseph Lo <josephl@nvidia.com>
---
 arch/arm/mach-tegra/platsmp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
index 4dfc75e..e78d52d 100644
--- a/arch/arm/mach-tegra/platsmp.c
+++ b/arch/arm/mach-tegra/platsmp.c
@@ -91,7 +91,7 @@  static int tegra30_power_up_cpu(unsigned int cpu)
 	if (cpumask_test_cpu(cpu, &tegra_cpu_init_mask)) {
 		timeout = jiffies + msecs_to_jiffies(50);
 		do {
-			if (!tegra_powergate_is_powered(pwrgateid))
+			if (tegra_powergate_is_powered(pwrgateid))
 				goto remove_clamps;
 			udelay(10);
 		} while (time_before(jiffies, timeout));