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>

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);