From: peter.chen@freescale.com (Peter Chen)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/1] ARM: imx: clk-pllv3: move the timeout just before the comparison
Date: Sun, 14 Jul 2013 08:58:48 +0800 [thread overview]
Message-ID: <1373763528-20792-1-git-send-email-peter.chen@freescale.com> (raw)
It can let the timeout value be more precise.
Suggested-by: Uwe Kleine-K?nig <u.kleine-koenig@pengutronix.de>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
---
arch/arm/mach-imx/clk-pllv3.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-imx/clk-pllv3.c b/arch/arm/mach-imx/clk-pllv3.c
index a9fad5f..e2c026f 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);
@@ -59,6 +59,7 @@ 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))
if (time_after(jiffies, timeout))
--
1.7.0.4
next reply other threads:[~2013-07-14 0:58 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-14 0:58 Peter Chen [this message]
2013-07-14 18:33 ` [PATCH 1/1] ARM: imx: clk-pllv3: move the timeout just before the comparison Uwe Kleine-König
2013-07-15 1:47 ` Peter Chen
2013-07-15 1:53 ` Fabio Estevam
2013-07-15 6:36 ` Sascha Hauer
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