clk: qcom: camcc-sm8250: Fix halt on boot by reducing driver's init level
authorVladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Wed, 18 May 2022 10:35:54 +0000 (13:35 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 17 Aug 2022 12:23:45 +0000 (14:23 +0200)
commit30f44ddfdb4958eb4477eceeff6411974dc86a3f
tree40ae74e05fbd4022ab4d230b236080e40a4c4cb9
parent2e79153d2ce965c6cfa7f9d90888a07230402c38
clk: qcom: camcc-sm8250: Fix halt on boot by reducing driver's init level

[ Upstream commit c4f40351901a10cd662ac2c081396d8fb04f584d ]

Access to I/O of SM8250 camera clock controller IP depends on enabled
GCC_CAMERA_AHB_CLK clock supplied by global clock controller, the latter
one is inited on subsys level, so, to satisfy the dependency, it would
make sense to deprive the init level of camcc-sm8250 driver.

If both drivers are compiled as built-in, there is a change that a board
won't boot up due to a race, which happens on the same init level.

Fixes: 5d66ca79b58c ("clk: qcom: Add camera clock controller driver for SM8250")
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220518103554.949511-1-vladimir.zapolskiy@linaro.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/clk/qcom/camcc-sm8250.c