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authorLi Zetao <[email protected]>2023-08-23 21:39:37 +0800
committerMark Brown <[email protected]>2023-09-11 01:32:11 +0100
commit9351339c1a99cca47e6fbeef88b1ef6438d36127 (patch)
tree749635f02e13ea7be6d93eebe4d6b6ac43c33697
parent6b6cc88c4e5b42d2ba6af43152af6d9d96872ee8 (diff)
spi: spl022: Use helper function devm_clk_get_enabled()
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 enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Moreover, the label "err_no_clk_en" is no used, drop it for clean code. Reviewed-by: Linus Walleij <[email protected]> Signed-off-by: Li Zetao <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mark Brown <[email protected]>
-rw-r--r--drivers/spi/spi-pl022.c11
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index bb347b6bb6f3..d1b6110b38fc 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -2168,19 +2168,13 @@ static int pl022_probe(struct amba_device *adev, const struct amba_id *id)
dev_info(&adev->dev, "mapped registers from %pa to %p\n",
&adev->res.start, pl022->virtbase);
- pl022->clk = devm_clk_get(&adev->dev, NULL);
+ pl022->clk = devm_clk_get_enabled(&adev->dev, NULL);
if (IS_ERR(pl022->clk)) {
status = PTR_ERR(pl022->clk);
dev_err(&adev->dev, "could not retrieve SSP/SPI bus clock\n");
goto err_no_clk;
}
- status = clk_prepare_enable(pl022->clk);
- if (status) {
- dev_err(&adev->dev, "could not enable SSP/SPI bus clock\n");
- goto err_no_clk_en;
- }
-
/* Initialize transfer pump */
tasklet_init(&pl022->pump_transfers, pump_transfers,
(unsigned long)pl022);
@@ -2240,8 +2234,6 @@ static int pl022_probe(struct amba_device *adev, const struct amba_id *id)
if (platform_info->enable_dma)
pl022_dma_remove(pl022);
err_no_irq:
- clk_disable_unprepare(pl022->clk);
- err_no_clk_en:
err_no_clk:
err_no_ioremap:
amba_release_regions(adev);
@@ -2268,7 +2260,6 @@ pl022_remove(struct amba_device *adev)
if (pl022->host_info->enable_dma)
pl022_dma_remove(pl022);
- clk_disable_unprepare(pl022->clk);
amba_release_regions(adev);
tasklet_disable(&pl022->pump_transfers);
}