Re: [PATCH v2 08/14] pinctrl: qcom: spmi-gpio: drop broken pm8008 support

[Linus Walleij]

On Wed, May 29, 2024 at 6:30 PM Johan Hovold <johan+linaro@xxxxxxxxxx> wrote:

> The SPMI GPIO driver assumes that the parent device is an SPMI device
> and accesses random data when backcasting the parent struct device
> pointer for non-SPMI devices.
>
> Fortunately this does not seem to cause any issues currently when the
> parent device is an I2C client like the PM8008, but this could change if
> the structures are reorganised (e.g. using structure randomisation).
>
> Notably the interrupt implementation is also broken for non-SPMI devices.
>
> Also note that the two GPIO pins on PM8008 are used for interrupts and
> reset so their practical use should be limited.
>
> Drop the broken GPIO support for PM8008 for now.
>
> Fixes: ea119e5a482a ("pinctrl: qcom-pmic-gpio: Add support for pm8008")
> Cc: stable@xxxxxxxxxxxxxxx      # 5.13
> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
> Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
> Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>

This patch applied to pinctrl fixes.

Yours,
Linus Walleij