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>

1 files changed, 11 insertions, 2 deletions

diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 81b75b94145c..14112a5e63b9 100644
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -665,8 +665,10 @@ static int mtk_spi_resume(struct device *dev)
 
         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 @@ static int mtk_spi_runtime_resume(struct device *dev)
 {
         struct spi_master *master = dev_get_drvdata(dev);
         struct mtk_spi *mdata = spi_master_get_devdata(master);
+        int ret;
+
+        ret = clk_prepare_enable(mdata->spi_clk);
+        if (ret < 0) {
+                dev_err(dev, "failed to enable spi_clk (%d)\n", ret);
+                return ret;
+        }
 
-        return clk_prepare_enable(mdata->spi_clk);
+        return 0;
 }
 #endif /* CONFIG_PM */