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authorStefan Agner <stefan@agner.ch>2014-02-11 01:44:13 +0100
committerStephen Warren <swarren@nvidia.com>2014-02-12 12:10:58 -0700
commit5f809932419375af8203561a39c70ed1a994c877 (patch)
tree5985a05e8fbe3dfd83b49af8f5cc3ccabdc8758b /arch/arm/mach-tegra/platsmp.c
parent38dbfb59d1175ef458d006556061adeaa8751b72 (diff)
ARM: tegra: don't timeout if CPU is powergated
When booting secondary CPU(s) which are not yet powergated, a wrong check lead to a timeout after 100 jiffies. With this patch, we only delay powergating if CPUs are still not powered yet. Signed-off-by: Stefan Agner <stefan@agner.ch> Reviewed-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/platsmp.c')
-rw-r--r--arch/arm/mach-tegra/platsmp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
index eb72ae709124..929d1046e2b4 100644
--- a/arch/arm/mach-tegra/platsmp.c
+++ b/arch/arm/mach-tegra/platsmp.c
@@ -114,7 +114,7 @@ static int tegra30_boot_secondary(unsigned int cpu, struct task_struct *idle)
/* Wait for the power to come up. */
timeout = jiffies + msecs_to_jiffies(100);
- while (tegra_pmc_cpu_is_powered(cpu)) {
+ while (!tegra_pmc_cpu_is_powered(cpu)) {
if (time_after(jiffies, timeout))
return -ETIMEDOUT;
udelay(10);