i3c: master: dw-i3c: Balance PM runtime usage count on probe failure

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When DW_I3C_DISABLE_RUNTIME_PM_QUIRK is set, the probe function calls
pm_runtime_get_noresume() to prevent runtime suspend. However, if
i3c_master_register() fails, the error path does not balance this
call, leaving the usage count incremented.

Add pm_runtime_put_noidle() in the error cleanup path to properly
balance the usage count.

Fixes: fba0e56ee7 ("i3c: dw: Disable runtime PM on Agilex5 to avoid bus hang on IBI")
Signed-off-by: Felix Gu <ustc.gu@gmail.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260321-dw-i3c-1-v1-1-821623aac7bb@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

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Felix Gu 2026-03-21 17:04:43 +08:00 • committed by Alexandre Belloni

parent bef1eef667

commit 19d6dd322c

1 changed files with 2 additions and 0 deletions

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drivers/i3c/master/dw-i3c-master.c

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