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| author |   Sowjanya Komatineni <skomatineni@nvidia.com> | 2020-07-27 13:57:21 -0700 |
|---|---|---|
| committer |   Wolfram Sang <wsa@kernel.org> | 2020-07-28 18:32:09 +0200 |
| commit | 42aa38b54e35216351e52bb03382a38edc6f1bb8 (patch) | |
| tree | ebea7520468dda68c8572169b691463f4d171595 /drivers/i2c/busses/i2c-tegra.c | |
| parent | i2c: tegra: Remove NULL pointer check before clk_enable/disable/prepare/unprepare (diff) | |
| download | linux-dev-42aa38b54e35216351e52bb03382a38edc6f1bb8.tar.xz linux-dev-42aa38b54e35216351e52bb03382a38edc6f1bb8.zip | |
i2c: tegra: Fix the error path in tegra_i2c_runtime_resume
tegra_i2c_runtime_resume does not disable prior enabled clocks
properly.
This patch fixes it.
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/i2c/busses/i2c-tegra.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-tegra.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index c91307b9e13d..7b93c454b4c7 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -665,18 +665,23 @@ static int __maybe_unused tegra_i2c_runtime_resume(struct device *dev) ret = clk_enable(i2c_dev->slow_clk); if (ret < 0) { dev_err(dev, "failed to enable slow clock: %d\n", ret); - return ret; + goto disable_fast_clk; } ret = clk_enable(i2c_dev->div_clk); if (ret < 0) { dev_err(i2c_dev->dev, "Enabling div clk failed, err %d\n", ret); - clk_disable(i2c_dev->fast_clk); - return ret; + goto disable_slow_clk; } return 0; + +disable_slow_clk: + clk_disable(i2c_dev->slow_clk); +disable_fast_clk: + clk_disable(i2c_dev->fast_clk); + return ret; } static int __maybe_unused tegra_i2c_runtime_suspend(struct device *dev) |