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i2c: designware: Add disabling clocks when probe fails

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[ Upstream commit c149841b069ccc6e480b00e11f35a57b5d88c7bb ]

After an error occurs during probing state, dw_i2c_plat_pm_cleanup() is
called. However, this function doesn't disable clocks and the clock-enable
count keeps increasing. Should disable these clocks explicitly.

Fixes: 7272194ed3 ("i2c-designware: add minimal support for runtime PM")
Co-developed-by: Kohei Ito <ito.kohei@socionext.com>
Signed-off-by: Kohei Ito <ito.kohei@socionext.com>
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Kunihiko Hayashi 2025-07-24 13:22:11 +09:00 committed by Greg Kroah-Hartman
parent 6d621778e3
commit 44045b107a
1 changed files with 1 additions and 0 deletions
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drivers/i2c/busses/i2c-designware-platdrv.c
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@ -394,6 +394,7 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
exit_probe:
dw_i2c_plat_pm_cleanup(dev);
i2c_dw_prepare_clk(dev, false);
exit_reset:
reset_control_assert(dev->rst);
return ret;