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fix BUG: sleeping function called from invalid context at kernel/mutex.c

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This commit is contained in:
陈亮
2014-06-26 04:27:24 -07:00
parent c15a73336a
commit 533d7de8c0
1 changed files with 4 additions and 3 deletions
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7
arch/arm/mach-rockchip/dvfs.c
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@@ -62,26 +62,28 @@ static int clk_pd_gpu_notifier_call(struct notifier_block *nb,
{
int ret;
mutex_lock(&switch_vdd_gpu_mutex);
switch (event) {
case RK_CLK_PD_PREPARE:
mutex_lock(&switch_vdd_gpu_mutex);
pd_gpu_off = 0;
if (early_suspend) {
if (!regulator_is_enabled(vdd_gpu_regulator))
ret = regulator_enable(vdd_gpu_regulator);
}
mutex_unlock(&switch_vdd_gpu_mutex);
break;
case RK_CLK_PD_UNPREPARE:
mutex_lock(&switch_vdd_gpu_mutex);
pd_gpu_off = 1;
if (early_suspend) {
if (regulator_is_enabled(vdd_gpu_regulator))
ret = regulator_disable(vdd_gpu_regulator);
}
mutex_unlock(&switch_vdd_gpu_mutex);
break;
default:
break;
}
mutex_unlock(&switch_vdd_gpu_mutex);
return NOTIFY_OK;
}
@@ -136,7 +138,6 @@ static struct notifier_block early_suspend_notifier = {
.notifier_call = early_suspend_notifier_call,
};
static void dvfs_volt_up_delay(struct vd_node *vd, int new_volt, int old_volt)
{
int u_time;