[11/13] mtd: nand: fsmc: use devm_clk_get()
diff mbox

Message ID 1490090645-8576-12-git-send-email-thomas.petazzoni@free-electrons.com
State Accepted
Commit fb8ed2ca432443ef1898aad7501c6e63c5c94f8e
Delegated to: Boris Brezillon
Headers show

Commit Message

Thomas Petazzoni March 21, 2017, 10:04 a.m. UTC
This commit switches the fsmc_nand driver from clk_get() to
devm_clk_get(), which saves a few clk_put().

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
---
 drivers/mtd/nand/fsmc_nand.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

Comments

Linus Walleij March 23, 2017, 10:05 a.m. UTC | #1
On Tue, Mar 21, 2017 at 11:04 AM, Thomas Petazzoni
<thomas.petazzoni@free-electrons.com> wrote:

> This commit switches the fsmc_nand driver from clk_get() to
> devm_clk_get(), which saves a few clk_put().
>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij

Patch
diff mbox

diff --git a/drivers/mtd/nand/fsmc_nand.c b/drivers/mtd/nand/fsmc_nand.c
index 12afae62..296222f 100644
--- a/drivers/mtd/nand/fsmc_nand.c
+++ b/drivers/mtd/nand/fsmc_nand.c
@@ -948,7 +948,7 @@  static int __init fsmc_nand_probe(struct platform_device *pdev)
 	if (IS_ERR(host->regs_va))
 		return PTR_ERR(host->regs_va);
 
-	host->clk = clk_get(&pdev->dev, NULL);
+	host->clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(host->clk)) {
 		dev_err(&pdev->dev, "failed to fetch block clock\n");
 		return PTR_ERR(host->clk);
@@ -956,7 +956,7 @@  static int __init fsmc_nand_probe(struct platform_device *pdev)
 
 	ret = clk_prepare_enable(host->clk);
 	if (ret)
-		goto err_clk_prepare_enable;
+		return ret;
 
 	/*
 	 * This device ID is actually a common AMBA ID as used on the
@@ -1121,8 +1121,6 @@  static int __init fsmc_nand_probe(struct platform_device *pdev)
 		dma_release_channel(host->read_dma_chan);
 err_req_read_chnl:
 	clk_disable_unprepare(host->clk);
-err_clk_prepare_enable:
-	clk_put(host->clk);
 	return ret;
 }
 
@@ -1141,7 +1139,6 @@  static int fsmc_nand_remove(struct platform_device *pdev)
 			dma_release_channel(host->read_dma_chan);
 		}
 		clk_disable_unprepare(host->clk);
-		clk_put(host->clk);
 	}
 
 	return 0;