slimbus: qcom-ngd-ctrl: Add timeout for wait operation
authorViken Dadhaniya <quic_vdadhani@quicinc.com>
Tue, 30 Apr 2024 09:12:38 +0000 (10:12 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 17 May 2024 09:51:04 +0000 (11:51 +0200)
commit2a47da1cd81fd0ad4423988cd96f49060b4e100f
treec744a01ec767905f472340e82319cdf423d0391f
parentba3c118cff7bcb0fe6aa84ae1f9080d50e31c561
slimbus: qcom-ngd-ctrl: Add timeout for wait operation

commit 98241a774db49988f25b7b3657026ce51ccec293 upstream.

In current driver qcom_slim_ngd_up_worker() indefinitely
waiting for ctrl->qmi_up completion object. This is
resulting in workqueue lockup on Kthread.

Added wait_for_completion_interruptible_timeout to
allow the thread to wait for specific timeout period and
bail out instead waiting infinitely.

Fixes: a899d324863a ("slimbus: qcom-ngd-ctrl: add Sub System Restart support")
Cc: stable@vger.kernel.org
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Viken Dadhaniya <quic_vdadhani@quicinc.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240430091238.35209-2-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/slimbus/qcom-ngd-ctrl.c