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From: richard.zhao@linaro.org (Richard Zhao)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/9] ARM: mxc: pwm: convert to clk_prepare/clk_unprepare
Date: Thu, 10 Nov 2011 12:54:08 +0800	[thread overview]
Message-ID: <1320900854-13031-3-git-send-email-richard.zhao@linaro.org> (raw)
In-Reply-To: <1320900854-13031-1-git-send-email-richard.zhao@linaro.org>

Signed-off-by: Richard Zhao <richard.zhao@linaro.org>
---
 arch/arm/plat-mxc/pwm.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/arch/arm/plat-mxc/pwm.c b/arch/arm/plat-mxc/pwm.c
index 42d74ea..3371698 100644
--- a/arch/arm/plat-mxc/pwm.c
+++ b/arch/arm/plat-mxc/pwm.c
@@ -118,9 +118,13 @@ int pwm_enable(struct pwm_device *pwm)
 	int rc = 0;
 
 	if (!pwm->clk_enabled) {
-		rc = clk_enable(pwm->clk);
+		rc = clk_prepare(pwm->clk);
 		if (!rc)
+			rc = clk_enable(pwm->clk);
+		if (!rc) {
 			pwm->clk_enabled = 1;
+		} else
+			clk_unprepare(pwm->clk);
 	}
 	return rc;
 }
@@ -132,6 +136,7 @@ void pwm_disable(struct pwm_device *pwm)
 
 	if (pwm->clk_enabled) {
 		clk_disable(pwm->clk);
+		clk_unprepare(pwm->clk);
 		pwm->clk_enabled = 0;
 	}
 }
-- 
1.7.5.4

  parent reply	other threads:[~2011-11-10  4:54 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-10  4:54 [PATCH 1/9] ARM: mxc: time: convert to clk_prepare/clk_unprepare Richard Zhao
2011-11-10  4:54 ` [PATCH 2/9] ARM: mxc: ahci: " Richard Zhao
2011-11-10  4:54 ` Richard Zhao [this message]
2011-11-10  4:54 ` [PATCH 4/9] ARM: mxc: epit: " Richard Zhao
2011-11-10  4:54 ` [PATCH 5/9] ARM: mxc: arch_reset: " Richard Zhao
2011-11-10  4:54 ` [PATCH 6/9] ARM: mxc: audmux-v2: " Richard Zhao
2011-11-10  4:54 ` [PATCH 7/9] ARM: pm-imx5: " Richard Zhao
2011-11-10  4:54 ` [PATCH 8/9] ARM: mx31moboard: " Richard Zhao
2011-11-10  4:54 ` [PATCH 9/9] ARM: mxs: " Richard Zhao
2011-11-10  8:03 ` [PATCH 1/9] ARM: mxc: time: " Sascha Hauer
2011-11-10  8:18   ` Richard Zhao

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