On Mon, 2016-09-12 at 09:55 +0200, Hans de Goede wrote:
> @@ -223,7 +223,14 @@ int axp_init(void)
> >     if (!(axp_chip_id == 0x6 || axp_chip_id == 0x7 || axp_chip_id == 0x17))
> >             return -ENODEV;
>  
> > -   return 0;
> > +   /*
> > +    * Turn off LDOIO regulators / tri-state GPIO pins, when rebooting
> > +    * from android these are sometimes on.
> > +    */
> > +   ret |= pmic_bus_write(AXP_GPIO0_CTRL, AXP_GPIO_CTRL_INPUT);
> > +   ret |= pmic_bus_write(AXP_GPIO1_CTRL, AXP_GPIO_CTRL_INPUT);

If ret values are errno's (as the context suggests by containing
-ENODEV) then or-ing them together could result in corruption from
combining two distinct errno values.

Ian.

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