The PM callbacks implemented by the spi-atmel driver don't call
spi_master_{resume,suspend}, fix that.
Signed-off-by: Wenyou Yang <wenyou.y...@atmel.com>
---
Hi Mark,
The patch is based on the branch: for-next
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git
Best Regards,
Wenyou Yang
drivers/spi/spi-atmel.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index 47e7aeb..bda961e 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -1440,6 +1440,14 @@ 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);
@@ -1452,11 +1460,18 @@ 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;
pinctrl_pm_select_default_state(dev);
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);
--
1.7.9.5
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
