Messages in this thread |  | | Date | Mon, 6 Jan 2020 08:36:03 +0000 | From | Lee Jones <> | Subject | Re: [PATCH v2 1/9] mfd: axp20x: Mark AXP20X_VBUS_IPSOUT_MGMT as volatile |
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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@vger.kernel.org > Signed-off-by: Samuel Holland <samuel@sholland.org> > --- > drivers/mfd/axp20x.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-)
Applied, thanks.
-- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
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