diff mbox

[09/17] spi: pl022: Simplify clock handling

Message ID 1391529538-21685-10-git-send-email-ulf.hansson@linaro.org
State Accepted
Commit 6cac167b826eced25a2756b996a93c6f7833c49b
Headers show

Commit Message

Ulf Hansson Feb. 4, 2014, 3:58 p.m. UTC
Make use of clk_prepare_enable and clk_disable_unprepare to simplify
code. No functional change.

Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---
 drivers/spi/spi-pl022.c |   15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

Comments

Ulf Hansson Feb. 10, 2014, 10:42 a.m. UTC | #1
On 4 February 2014 20:19, Mark Brown <broonie@kernel.org> wrote:
> On Tue, Feb 04, 2014 at 04:58:50PM +0100, Ulf Hansson wrote:
>> Make use of clk_prepare_enable and clk_disable_unprepare to simplify
>> code. No functional change.
>
> I went ahead and applied this since it looks good and seems like an
> unrelated cleanup to the runtime PM stuff which seems to be where the
> interdependencies are - thanks!  It's on a separate branch with the
> already applied change so if it does need to be cross merged we can do
> that easily or even drop the branch.

Thanks Mark, it seems like a good approach.

Kind regards
Ulf Hansson
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diff mbox

Patch

diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index 2bb238f..2f44c81 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -2183,13 +2183,7 @@  static int pl022_probe(struct amba_device *adev, const struct amba_id *id)
 		goto err_no_clk;
 	}
 
-	status = clk_prepare(pl022->clk);
-	if (status) {
-		dev_err(&adev->dev, "could not prepare SSP/SPI bus clock\n");
-		goto  err_clk_prep;
-	}
-
-	status = clk_enable(pl022->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;
@@ -2250,10 +2244,8 @@  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(pl022->clk);
+	clk_disable_unprepare(pl022->clk);
  err_no_clk_en:
-	clk_unprepare(pl022->clk);
- err_clk_prep:
  err_no_clk:
  err_no_ioremap:
 	amba_release_regions(adev);
@@ -2281,8 +2273,7 @@  pl022_remove(struct amba_device *adev)
 	if (pl022->master_info->enable_dma)
 		pl022_dma_remove(pl022);
 
-	clk_disable(pl022->clk);
-	clk_unprepare(pl022->clk);
+	clk_disable_unprepare(pl022->clk);
 	amba_release_regions(adev);
 	tasklet_disable(&pl022->pump_transfers);
 	return 0;