ARM: tegra30: make the wait time of CPU power up to proportional to HZ
authorJoseph Lo <josephl@nvidia.com>
Mon, 7 Jan 2013 02:56:14 +0000 (10:56 +0800)
committerStephen Warren <swarren@nvidia.com>
Mon, 28 Jan 2013 18:14:43 +0000 (11:14 -0700)
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>
arch/arm/mach-tegra/platsmp.c

index 60daf9f..6867030 100644 (file)
@@ -90,7 +90,7 @@ static int tegra30_power_up_cpu(unsigned int cpu)
         * next time around.
         */
        if (cpumask_test_cpu(cpu, &tegra_cpu_init_mask)) {
-               timeout = jiffies + 5*HZ;
+               timeout = jiffies + msecs_to_jiffies(50);
                do {
                        if (!tegra_powergate_is_powered(pwrgateid))
                                goto remove_clamps;
@@ -110,7 +110,7 @@ static int tegra30_power_up_cpu(unsigned int cpu)
                        return ret;
 
                /* Wait for the power to come up. */
-               timeout = jiffies + 10*HZ;
+               timeout = jiffies + msecs_to_jiffies(100);
                while (tegra_powergate_is_powered(pwrgateid)) {
                        if (time_after(jiffies, timeout))
                                return -ETIMEDOUT;