From: josephl@nvidia.com (Joseph Lo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/3] ARM: tegra30: fix the logical detection of power on sequence of warm boot CPUs
Date: Fri, 22 Feb 2013 14:24:26 +0800 [thread overview]
Message-ID: <1361514267-12111-2-git-send-email-josephl@nvidia.com> (raw)
In-Reply-To: <1361514267-12111-1-git-send-email-josephl@nvidia.com>
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(-)
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));
--
1.8.1.1
next prev parent reply other threads:[~2013-02-22 6:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-22 6:24 [PATCH 1/3] ARM: tegra: Fix unchecked return value Joseph Lo
2013-02-22 6:24 ` Joseph Lo [this message]
2013-02-22 6:24 ` [PATCH 3/3] ARM: tegra: refactor tegra{20,30}_boot_secondary Joseph Lo
2013-02-22 18:28 ` Stephen Warren
2013-02-23 4:06 ` Joseph Lo
2013-02-23 4:33 ` Stephen Warren
2013-03-06 21:29 ` [PATCH 1/3] ARM: tegra: Fix unchecked return value Stephen Warren
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