linux-kernel - [PATCH 02/10] msm_sdcc: Convert to clk

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Message-Id: <1348194419-11486-3-git-send-email-sboyd@codeaurora.org>
Date:	Thu, 20 Sep 2012 19:26:50 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	David Brown <davidb@...eaurora.org>,
	Daniel Walker <dwalker@...o99.com>,
	Bryan Huntsman <bryanh@...eaurora.org>
Cc:	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 02/10] msm_sdcc: Convert to clk_prepare/unprepare

Add calls to clk_prepare and unprepare so that MSM can migrate to
the common clock framework.

Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>
---
 drivers/mmc/host/msm_sdcc.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 1d14cda..10cc05b 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -1269,10 +1269,18 @@ msmsdcc_probe(struct platform_device *pdev)
 		goto clk_put;
 	}
 
+	ret = clk_prepare(host->pclk);
+	if (ret)
+		goto clk_put;
+
+	ret = clk_prepare(host->clk);
+	if (ret)
+		goto clk_unprepare_p;
+
 	/* Enable clocks */
 	ret = msmsdcc_enable_clocks(host);
 	if (ret)
-		goto clk_put;
+		goto clk_unprepare;
 
 	host->pclk_rate = clk_get_rate(host->pclk);
 	host->clk_rate = clk_get_rate(host->clk);
@@ -1387,6 +1395,10 @@ msmsdcc_probe(struct platform_device *pdev)
 		free_irq(host->stat_irq, host);
  clk_disable:
 	msmsdcc_disable_clocks(host, 0);
+ clk_unprepare:
+	clk_unprepare(host->clk);
+ clk_unprepare_p:
+	clk_unprepare(host->pclk);
  clk_put:
 	clk_put(host->clk);
  pclk_put:
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation

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