linux-kernel - [PATCHv2] staging: iio: replace clk_get() with devm_clk

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Date:	Thu, 21 Jan 2016 09:55:49 +0000
From:	"Gujulan Elango, Hari Prasath (H.)" <hgujulan@...teon.com>
To:	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"jic23@...nel.org" <jic23@...nel.org>,
	"knaack.h@....de" <knaack.h@....de>,
	"lars@...afoo.de" <lars@...afoo.de>,
	"pmeerw@...erw.net" <pmeerw@...erw.net>,
	"daniel.baluta@...el.com" <daniel.baluta@...el.com>,
	"ciorneiioana@...il.com" <ciorneiioana@...il.com>,
	"hamohammed.sa@...il.com" <hamohammed.sa@...il.com>
CC:	"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
	"linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCHv2] staging: iio: replace clk_get() with devm_clk_get()

From: Hari Prasath Gujulan Elango <hgujulan@...teon.com>

This patch replaces the clk_get() with devm_clk_get().
Accordingly,modified the error paths and removed clk_put() as well.

Signed-off-by: Hari Prasath Gujulan Elango <hgujulan@...teon.com>
---
	v2: email address was missing in the From field.
---
 drivers/staging/iio/adc/spear_adc.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/iio/adc/spear_adc.c b/drivers/staging/iio/adc/spear_adc.c
index 712cae0..4ac0f54 100644
--- a/drivers/staging/iio/adc/spear_adc.c
+++ b/drivers/staging/iio/adc/spear_adc.c
@@ -288,7 +288,7 @@ static int spear_adc_probe(struct platform_device *pdev)
 	st->adc_base_spear3xx =
 		(struct adc_regs_spear3xx __iomem *)st->adc_base_spear6xx;
 
-	st->clk = clk_get(dev, NULL);
+	st->clk = devm_clk_get(dev, NULL);
 	if (IS_ERR(st->clk)) {
 		dev_err(dev, "failed getting clock\n");
 		goto errout1;
@@ -297,7 +297,7 @@ static int spear_adc_probe(struct platform_device *pdev)
 	ret = clk_prepare_enable(st->clk);
 	if (ret) {
 		dev_err(dev, "failed enabling clock\n");
-		goto errout2;
+		goto errout1;
 	}
 
 	irq = platform_get_irq(pdev, 0);
@@ -356,8 +356,6 @@ static int spear_adc_probe(struct platform_device *pdev)
 
 errout3:
 	clk_disable_unprepare(st->clk);
-errout2:
-	clk_put(st->clk);
 errout1:
 	iounmap(st->adc_base_spear6xx);
 	return ret;
-- 
1.9.1