linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
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

             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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1373763528-20792-1-git-send-email-peter.chen@freescale.com \
    --to=peter.chen@freescale.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).