diff mbox

spi/s3c64xx: Add missing pm_runtime_set_active() call in probe()

Message ID 1382026006-15544-1-git-send-email-k.kozlowski@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Krzysztof Kozlowski Oct. 17, 2013, 4:06 p.m. UTC 
Mark device as PM runtime active during initialization to reflect
actual device power/clocks state. This reduces the enable count for SPI
bus controller gate clock so it can be disabled when the bus controller
is not used.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/spi/spi-s3c64xx.c |    1 +
 1 file changed, 1 insertion(+)

Comments

Sylwester Nawrocki/Kernel \(PLT\) /SRPOL/Staff Engineer/Samsung Electronics Oct. 17, 2013, 4:10 p.m. UTC | #1 
On 17/10/13 18:06, Krzysztof Kozlowski wrote:
> Mark device as PM runtime active during initialization to reflect
> actual device power/clocks state. This reduces the enable count for SPI
> bus controller gate clock so it can be disabled when the bus controller
> is not used.
> 
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
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Mark Brown Oct. 17, 2013, 11:33 p.m. UTC | #2 
On Thu, Oct 17, 2013 at 06:06:46PM +0200, Krzysztof Kozlowski wrote:
> Mark device as PM runtime active during initialization to reflect
> actual device power/clocks state. This reduces the enable count for SPI
> bus controller gate clock so it can be disabled when the bus controller
> is not used.

Applied, thanks.
diff mbox

Patch

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 0ddaff2..ae07c3a 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -1429,6 +1429,7 @@  static int s3c64xx_spi_probe(struct platform_device *pdev)
 	       S3C64XX_SPI_INT_TX_OVERRUN_EN | S3C64XX_SPI_INT_TX_UNDERRUN_EN,
 	       sdd->regs + S3C64XX_SPI_INT_EN);
 
+	pm_runtime_set_active(&pdev->dev);
 	pm_runtime_enable(&pdev->dev);
 
 	if (spi_register_master(master)) {