Add check for the return value of clk_enable() in order to catch the
potential exception.
Signed-off-by: Jiasheng Jiang <jiashengjiangcool@xxxxxxxxx>
---
Changelog:
v2 -> v3:
1. Roll back unsuitable dev_err_probe() to dev_err()
v1 -> v2:
1. Remove the Fixes tag.
2. Use dev_err_probe to simplify error handling.
---
drivers/i2c/busses/i2c-lpc2k.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-lpc2k.c b/drivers/i2c/busses/i2c-lpc2k.c
index 9fb33cbf7419..ea9831f34cd6 100644
--- a/drivers/i2c/busses/i2c-lpc2k.c
+++ b/drivers/i2c/busses/i2c-lpc2k.c
@@ -442,8 +442,14 @@ static int i2c_lpc2k_suspend(struct device *dev)
static int i2c_lpc2k_resume(struct device *dev)
{
struct lpc2k_i2c *i2c = dev_get_drvdata(dev);
+ int ret;
+
+ ret = clk_enable(i2c->clk);
+ if (ret) {
+ dev_err(dev, "failed to enable clock: %d\n", ret);
+ return ret;
+ }
- clk_enable(i2c->clk);
i2c_lpc2k_reset(i2c);
return 0;
--
2.25.1
