diff options
| author | Yang Yingliang <yangyingliang@huawei.com> | 2022-05-14 10:31:47 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-05-25 09:14:38 +0200 |
| commit | ef5374d532caa1dd7da22093110fc2aeae956a08 (patch) | |
| tree | 33b015fd90c1da5ce261550aa125e18508f9b45b | |
| parent | 10a221e2d3d8cf53be4e55c92257197688cfe54f (diff) | |
i2c: mt7621: fix missing clk_disable_unprepare() on error in mtk_i2c_probe()
[ Upstream commit a2537c98a8a3b57002e54a262d180b9490bc7190 ]
Fix the missing clk_disable_unprepare() before return
from mtk_i2c_probe() in the error handling case.
Fixes: d04913ec5f89 ("i2c: mt7621: Add MediaTek MT7621/7628/7688 I2C driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/i2c/busses/i2c-mt7621.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-mt7621.c b/drivers/i2c/busses/i2c-mt7621.c index 62df8379bc89..65e72101b393 100644 --- a/drivers/i2c/busses/i2c-mt7621.c +++ b/drivers/i2c/busses/i2c-mt7621.c @@ -304,7 +304,8 @@ static int mtk_i2c_probe(struct platform_device *pdev) if (i2c->bus_freq == 0) { dev_warn(i2c->dev, "clock-frequency 0 not supported\n"); - return -EINVAL; + ret = -EINVAL; + goto err_disable_clk; } adap = &i2c->adap; @@ -322,10 +323,15 @@ static int mtk_i2c_probe(struct platform_device *pdev) ret = i2c_add_adapter(adap); if (ret < 0) - return ret; + goto err_disable_clk; dev_info(&pdev->dev, "clock %u kHz\n", i2c->bus_freq / 1000); + return 0; + +err_disable_clk: + clk_disable_unprepare(i2c->clk); + return ret; } |