From: Gaku Inami <gaku.inami...@bp.renesas.com>

Add spi_master_suspend(), spi_master_resume() in PM callback since it needs
to start/stop the queue during suspend/resume.

Signed-off-by: Gaku Inami <gaku.inami...@bp.renesas.com>
Signed-off-by: Hiromitsu Yamasaki <hiromitsu.yamasaki...@renesas.com>
[uli: simplified code, added pm field to platform driver]
Signed-off-by: Ulrich Hecht <ulrich.hecht+rene...@gmail.com>
---
Slightly brushed up port from the BSP; tested to execute on suspend/resume
without breaking anything.

CU
Uli

 drivers/spi/spi-sh-msiof.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
index ae086aa..db30aad 100644
--- a/drivers/spi/spi-sh-msiof.c
+++ b/drivers/spi/spi-sh-msiof.c
@@ -1415,12 +1415,35 @@ static const struct platform_device_id spi_driver_ids[] 
= {
 };
 MODULE_DEVICE_TABLE(platform, spi_driver_ids);
 
+#ifdef CONFIG_PM_SLEEP
+static int sh_msiof_spi_suspend(struct device *dev)
+{
+       struct platform_device *pdev = to_platform_device(dev);
+       struct sh_msiof_spi_priv *p = platform_get_drvdata(pdev);
+
+       return spi_master_suspend(p->master);
+}
+
+static int sh_msiof_spi_resume(struct device *dev)
+{
+       struct platform_device *pdev = to_platform_device(dev);
+       struct sh_msiof_spi_priv *p = platform_get_drvdata(pdev);
+
+       return spi_master_resume(p->master);
+}
+#endif /* CONFIG_PM_SLEEP */
+
+static SIMPLE_DEV_PM_OPS(sh_msiof_spi_pm_ops,
+                        sh_msiof_spi_suspend,
+                        sh_msiof_spi_resume);
+
 static struct platform_driver sh_msiof_spi_drv = {
        .probe          = sh_msiof_spi_probe,
        .remove         = sh_msiof_spi_remove,
        .id_table       = spi_driver_ids,
        .driver         = {
                .name           = "spi_sh_msiof",
+               .pm             = &sh_msiof_spi_pm_ops,
                .of_match_table = of_match_ptr(sh_msiof_match),
        },
 };
-- 
2.7.4

Reply via email to