On Wed, Nov 2, 2016 at 3:37 PM, Andrew Jeffery <and...@aj.id.au> wrote:
> If a pin depending on bit 6 in SCU90 is requested for GPIO, the export > will succeed but changes to the GPIO's value will not be accepted by the > hardware. This is because the pinmux driver has misconfigured the SCU by > writing 1 to the reserved bit. > > The description of SCU90[6] from the datasheet is 'Reserved, must keep > at value ”0”'. The fix is to switch pinmux from the bit-flipping macro > to explicitly configuring the .enable and .disable values to zero. > > The patch has been tested on an AST2500 EVB. > > Fixes: 56e57cb6c07f (pinctrl: Add pinctrl-aspeed-g5 driver) > Reported-by: Uma Yadlapati <yadla...@us.ibm.com> > Signed-off-by: Andrew Jeffery <and...@aj.id.au> > --- > > This patch should be applied for 4.9. Patch applied for fixes, adding Joel's review tag. Yours, Linus Walleij
