spi: mediatek: add PM clk_prepare_enable fail flow
This patch adds PM clk_prepare_enable fail flow.
Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 81b75b9..14112a5 100644
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -665,8 +665,10 @@
if (!pm_runtime_suspended(dev)) {
ret = clk_prepare_enable(mdata->spi_clk);
- if (ret < 0)
+ if (ret < 0) {
+ dev_err(dev, "failed to enable spi_clk (%d)\n", ret);
return ret;
+ }
}
ret = spi_master_resume(master);
@@ -692,8 +694,15 @@
{
struct spi_master *master = dev_get_drvdata(dev);
struct mtk_spi *mdata = spi_master_get_devdata(master);
+ int ret;
- return clk_prepare_enable(mdata->spi_clk);
+ ret = clk_prepare_enable(mdata->spi_clk);
+ if (ret < 0) {
+ dev_err(dev, "failed to enable spi_clk (%d)\n", ret);
+ return ret;
+ }
+
+ return 0;
}
#endif /* CONFIG_PM */
