diff mbox series

[-next,v2,05/12] mtd: rawnand: lpc32xx_slc: Use helper function devm_clk_get_enabled()

Message ID 20230818074642.308166-6-lizetao1@huawei.com (mailing list archive)
State New, archived
Headers show
Series [-next,v2,01/12] mtd: spear_smi: Use helper function devm_clk_get_enabled() | expand

Commit Message

Li Zetao Aug. 18, 2023, 7:46 a.m. UTC 
Since commit 7ef9651e9792 ("clk: Provide new devm_clk helpers for prepared
and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be
replaced by devm_clk_get_enabled() when driver enable (and possibly
prepare) the clocks for the whole lifetime of the device. Moreover, it is
no longer necessary to unprepare and disable the clock explicitly, so drop
the label "unprepare_clk".

Signed-off-by: Li Zetao <lizetao1@huawei.com>
---
v1 -> v2: Modify commit message.
v1: https://lore.kernel.org/all/20230817024509.3951629-6-lizetao1@huawei.com/

 drivers/mtd/nand/raw/lpc32xx_slc.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)
diff mbox series

Patch

diff --git a/drivers/mtd/nand/raw/lpc32xx_slc.c b/drivers/mtd/nand/raw/lpc32xx_slc.c
index 2201264d3c37..1c5fa855b9f2 100644
--- a/drivers/mtd/nand/raw/lpc32xx_slc.c
+++ b/drivers/mtd/nand/raw/lpc32xx_slc.c
@@ -871,15 +871,12 @@  static int lpc32xx_nand_probe(struct platform_device *pdev)
 	mtd->dev.parent = &pdev->dev;
 
 	/* Get NAND clock */
-	host->clk = devm_clk_get(&pdev->dev, NULL);
+	host->clk = devm_clk_get_enabled(&pdev->dev, NULL);
 	if (IS_ERR(host->clk)) {
 		dev_err(&pdev->dev, "Clock failure\n");
 		res = -ENOENT;
 		goto enable_wp;
 	}
-	res = clk_prepare_enable(host->clk);
-	if (res)
-		goto enable_wp;
 
 	/* Set NAND IO addresses and command/ready functions */
 	chip->legacy.IO_ADDR_R = SLC_DATA(host->io_base);
@@ -907,13 +904,13 @@  static int lpc32xx_nand_probe(struct platform_device *pdev)
 				      GFP_KERNEL);
 	if (host->data_buf == NULL) {
 		res = -ENOMEM;
-		goto unprepare_clk;
+		goto enable_wp;
 	}
 
 	res = lpc32xx_nand_dma_setup(host);
 	if (res) {
 		res = -EIO;
-		goto unprepare_clk;
+		goto enable_wp;
 	}
 
 	/* Find NAND device */
@@ -934,8 +931,6 @@  static int lpc32xx_nand_probe(struct platform_device *pdev)
 	nand_cleanup(chip);
 release_dma:
 	dma_release_channel(host->dma_chan);
-unprepare_clk:
-	clk_disable_unprepare(host->clk);
 enable_wp:
 	lpc32xx_wp_enable(host);
 
@@ -962,7 +957,6 @@  static void lpc32xx_nand_remove(struct platform_device *pdev)
 	tmp &= ~SLCCFG_CE_LOW;
 	writel(tmp, SLC_CTRL(host->io_base));
 
-	clk_disable_unprepare(host->clk);
 	lpc32xx_wp_enable(host);
 }