The commit c62ebb3d5f0d ("i2c: designware: Add support for an interface clock")
introduced an optional clock while missed correct error handling.
assert reset line back if error happen at ->probe().
Fixes: c62ebb3d5f0d ("i2c: designware: Add support for an interface clock")
Cc: Phil Edworthy <phil.edworthy@xxxxxxxxxxx>
Cc: Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/i2c/busses/i2c-designware-platdrv.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index ddfb81872906..4624ef8fbae8 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -346,8 +346,10 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
/* Optional interface clock */
dev->pclk = devm_clk_get_optional(&pdev->dev, "pclk");
- if (IS_ERR(dev->pclk))
- return PTR_ERR(dev->pclk);
+ if (IS_ERR(dev->pclk)) {
+ ret = PTR_ERR(dev->pclk);
+ goto exit_reset;
+ }
dev->clk = devm_clk_get(&pdev->dev, NULL);
if (!i2c_dw_prepare_clk(dev, true)) {
--
2.23.0.rc1
