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ARM: tegra30: make the wait time of CPU power up to proportional to HZ

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It would rather to use the API of time_to_jiffies than a constant number
of jiffies for the wait time of CPU power up.

Based on the work by:
Sang-Hun Lee <sanlee@nvidia.com>

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Joseph Lo 2013-01-07 10:56:14 +08:00 • committed by Stephen Warren
parent 9e32366fe5
commit 1395868c06
1 changed files with 2 additions and 2 deletions
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4
arch/arm/mach-tegra/platsmp.c
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@ -90,7 +90,7 @@ static int tegra30_power_up_cpu(unsigned int cpu)
* next time around. * next time around.
*/ */
if (cpumask_test_cpu(cpu, &tegra_cpu_init_mask)) { if (cpumask_test_cpu(cpu, &tegra_cpu_init_mask)) {
timeout = jiffies + 5*HZ; 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;
@ -110,7 +110,7 @@ static int tegra30_power_up_cpu(unsigned int cpu)
return ret; return ret;
/* Wait for the power to come up. */ /* Wait for the power to come up. */
timeout = jiffies + 10*HZ; timeout = jiffies + msecs_to_jiffies(100);
while (tegra_powergate_is_powered(pwrgateid)) { while (tegra_powergate_is_powered(pwrgateid)) {
if (time_after(jiffies, timeout)) if (time_after(jiffies, timeout))
return -ETIMEDOUT; return -ETIMEDOUT;