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Diffstat (limited to 'arch/arm/mach-imx/clk-pllv3.c')
-rw-r--r--arch/arm/mach-imx/clk-pllv3.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/arm/mach-imx/clk-pllv3.c b/arch/arm/mach-imx/clk-pllv3.c
index a9fad5f8d34..f6640b6a7b3 100644
--- a/arch/arm/mach-imx/clk-pllv3.c
+++ b/arch/arm/mach-imx/clk-pllv3.c
@@ -48,7 +48,7 @@ struct clk_pllv3 {
static int clk_pllv3_prepare(struct clk_hw *hw)
{
struct clk_pllv3 *pll = to_clk_pllv3(hw);
- unsigned long timeout = jiffies + msecs_to_jiffies(10);
+ unsigned long timeout;
u32 val;
val = readl_relaxed(pll->base);
@@ -59,12 +59,19 @@ static int clk_pllv3_prepare(struct clk_hw *hw)
val &= ~BM_PLL_POWER;
writel_relaxed(val, pll->base);
+ timeout = jiffies + msecs_to_jiffies(10);
/* Wait for PLL to lock */
- while (!(readl_relaxed(pll->base) & BM_PLL_LOCK))
+ do {
+ if (readl_relaxed(pll->base) & BM_PLL_LOCK)
+ break;
if (time_after(jiffies, timeout))
- return -ETIMEDOUT;
+ break;
+ } while (1);
- return 0;
+ if (readl_relaxed(pll->base) & BM_PLL_LOCK)
+ return 0;
+ else
+ return -ETIMEDOUT;
}
static void clk_pllv3_unprepare(struct clk_hw *hw)