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authorWenyou Yang <wenyou.yang@atmel.com>2014-03-05 11:29:01 +0800
committerMark Brown <broonie@linaro.org>2014-03-05 11:59:53 +0800
commitba938f3a295686aa9ab5077b10d1049f8091cbd7 (patch)
tree27c24f28ad0f62820cd69b329bd1a78fbc06bdd0 /drivers
parent38dbfb59d1175ef458d006556061adeaa8751b72 (diff)
spi: atmel: add missing spi_master_{resume,suspend} calls to PM callbacks
The PM callbacks implemented by the spi-atmel driver don't call spi_master_{resume,suspend}, fix that. Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/spi/spi-atmel.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index b0842f751016..5d7b07f08326 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -1455,6 +1455,14 @@ static int atmel_spi_suspend(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct atmel_spi *as = spi_master_get_devdata(master);
+ int ret;
+
+ /* Stop the queue running */
+ ret = spi_master_suspend(master);
+ if (ret) {
+ dev_warn(dev, "cannot suspend master\n");
+ return ret;
+ }
clk_disable_unprepare(as->clk);
return 0;
@@ -1464,9 +1472,16 @@ static int atmel_spi_resume(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct atmel_spi *as = spi_master_get_devdata(master);
+ int ret;
clk_prepare_enable(as->clk);
- return 0;
+
+ /* Start the queue running */
+ ret = spi_master_resume(master);
+ if (ret)
+ dev_err(dev, "problem starting queue (%d)\n", ret);
+
+ return ret;
}
static SIMPLE_DEV_PM_OPS(atmel_spi_pm_ops, atmel_spi_suspend, atmel_spi_resume);