]> git.ipfire.org Git - thirdparty/kernel/linux.git/commit
i3c: master: dw-i3c: Balance PM runtime usage count on probe failure
authorFelix Gu <ustc.gu@gmail.com>
Sat, 21 Mar 2026 09:04:43 +0000 (17:04 +0800)
committerAlexandre Belloni <alexandre.belloni@bootlin.com>
Sun, 12 Apr 2026 14:38:50 +0000 (16:38 +0200)
commit19d6dd322c3f05550606dbfcbafb5f6989975c02
tree0c4eb893e1ed45cdd76450dfffb5a77b60650cfe
parentbef1eef667186cedb0bc6d152464acb3c97d5f72
i3c: master: dw-i3c: Balance PM runtime usage count on probe failure

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: fba0e56ee752 ("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>
drivers/i3c/master/dw-i3c-master.c