soc: qcom: rpmh-rsc: Set suppress_bind_attrs flag
authorMaulik Shah <mkshah@codeaurora.org>
Mon, 22 Jun 2020 06:53:25 +0000 (12:23 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 19 Aug 2020 06:23:34 +0000 (08:23 +0200)
commit05de16779b80a2993dc756cc7f0b1118f0b5a6eb
tree257520dcc6cb15410db85ec10f244c2d862a9b73
parent665a80d7aa8ccc163b7ea75a35d48f09299b199f
soc: qcom: rpmh-rsc: Set suppress_bind_attrs flag

[ Upstream commit 1a53ce9ab4faeb841b33d62d23283dc76c0e7c5a ]

rpmh-rsc driver is fairly core to system and should not be removable
once its probed. However it allows to unbind driver from sysfs using
below command which results into a crash on sc7180.

echo 18200000.rsc > /sys/bus/platform/drivers/rpmh/unbind

Lets prevent unbind at runtime by setting suppress_bind_attrs flag.

Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
Link: https://lore.kernel.org/r/1592808805-2437-1-git-send-email-mkshah@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/soc/qcom/rpmh-rsc.c