Re: [PATCH v2 1/9] mfd: axp20x: Mark AXP20X_VBUS_IPSOUT_MGMT as volatile

[Lee Jones]

On Sat, 04 Jan 2020, Samuel Holland wrote:

> On AXP288 and newer PMICs, bit 7 of AXP20X_VBUS_IPSOUT_MGMT can be set
> to prevent using the VBUS input. However, when the VBUS unplugged and
> plugged back in, the bit automatically resets to zero.
> 
> We need to set the register as volatile to prevent regmap from caching
> that bit. Otherwise, regcache will think the bit is already set and not
> write the register.
> 
> Fixes: cd53216625a0 ("mfd: axp20x: Fix axp288 volatile ranges")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Samuel Holland <samuel@xxxxxxxxxxxx>
> ---
>  drivers/mfd/axp20x.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

-- 
Lee Jones [æçæ]
Linaro Services Technical Lead
Linaro.org â Open source software for ARM SoCs
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