diff mbox

spi: coldfire-qspi: Enable clock before calling spi_master_resume

Message ID 1393379275.7490.1.camel@phoenix (mailing list archive)
State Accepted
Commit 2aa237f4a1a72813f9684a0ce6e48288e75de479
Delegated to: Mark Brown
Headers show

Commit Message

Axel Lin Feb. 26, 2014, 1:47 a.m. UTC
This ensures clock has been enabled before calling spi_master_resume().
while at it, also add checking return value of spi_master_suspend and
spi_master_resume because they may fail.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
 drivers/spi/spi-coldfire-qspi.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

Comments

Mark Brown March 10, 2014, 11:22 a.m. UTC | #1
On Wed, Feb 26, 2014 at 09:47:55AM +0800, Axel Lin wrote:
> This ensures clock has been enabled before calling spi_master_resume().
> while at it, also add checking return value of spi_master_suspend and
> spi_master_resume because they may fail.

Applied, thanks.
diff mbox

Patch

diff --git a/drivers/spi/spi-coldfire-qspi.c b/drivers/spi/spi-coldfire-qspi.c
index c29bbb0..62daf87 100644
--- a/drivers/spi/spi-coldfire-qspi.c
+++ b/drivers/spi/spi-coldfire-qspi.c
@@ -467,8 +467,11 @@  static int mcfqspi_suspend(struct device *dev)
 {
 	struct spi_master *master = dev_get_drvdata(dev);
 	struct mcfqspi *mcfqspi = spi_master_get_devdata(master);
+	int ret;
 
-	spi_master_suspend(master);
+	ret = spi_master_suspend(master);
+	if (ret)
+		return ret;
 
 	clk_disable(mcfqspi->clk);
 
@@ -480,11 +483,9 @@  static int mcfqspi_resume(struct device *dev)
 	struct spi_master *master = dev_get_drvdata(dev);
 	struct mcfqspi *mcfqspi = spi_master_get_devdata(master);
 
-	spi_master_resume(master);
-
 	clk_enable(mcfqspi->clk);
 
-	return 0;
+	return spi_master_resume(master);
 }
 #endif