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>
This commit is contained in:
Stefan Agner 2014-02-11 01:44:13 +01:00 committed by Stephen Warren
parent 38dbfb59d1
commit 5f80993241

View File

@ -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);