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@xxxxxxxxx> --- 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-spi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html