On Tue, Oct 18, 2022 at 03:19:20AM +0100, Bryan O'Donoghue wrote:
> When we compile-in the CCI along with the imx412 driver and run on the RB5
> we see that i2c_add_adapter() causes the probe of the imx412 driver to
> happen.
>
> This probe tries to perform an i2c xfer() and the xfer() in i2c-qcom-cci.c
> fails on pm_runtime_get() because the i2c-qcom-cci.c::probe() function has
> not completed to pm_runtime_enable(dev).
>
> Fix this sequence by ensuring pm_runtime_xxx() calls happen prior to adding
> the i2c adapter.
>
> Fixes: e517526195de ("i2c: Add Qualcomm CCI I2C driver")
> Reported-by: Vladimir Zapolskiy <vladimir.zapolskiy@xxxxxxxxxx>
> Reviewed-by: Vladimir Zapolskiy <vladimir.zapolskiy@xxxxxxxxxx>
> Tested-by: Vladimir Zapolskiy <vladimir.zapolskiy@xxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
Applied to for-current, thanks!
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