Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d68b42e3 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Linus Walleij
Browse files

pinctrl: intel: Read back TX buffer state 



In the same way as it's done in pinctrl-cherryview.c we would provide
a readback TX buffer state.

Fixes: 17fab473 ("pinctrl: intel: Set pin direction properly")
Reported-by: default avatar"Bourque, Francis" <francis.bourque@intel.com>
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
Tested-by: default avatar"Bourque, Francis" <francis.bourque@intel.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 12b8f018

drivers/pinctrl/intel/pinctrl-intel.c

+6 −1
Original line number Diff line number Diff line
@@ -751,12 +751,17 @@ static int intel_gpio_get(struct gpio_chip *chip, unsigned offset) 
{

	struct intel_pinctrl *pctrl = gpiochip_get_data(chip);

	void __iomem *reg;

	u32 padcfg0;



	reg = intel_get_padcfg(pctrl, offset, PADCFG0);

	if (!reg)

		return -EINVAL;



	return !!(readl(reg) & PADCFG0_GPIORXSTATE);

	padcfg0 = readl(reg);

	if (!(padcfg0 & PADCFG0_GPIOTXDIS))

		return !!(padcfg0 & PADCFG0_GPIOTXSTATE);



	return !!(padcfg0 & PADCFG0_GPIORXSTATE);

}



static void intel_gpio_set(struct gpio_chip *chip, unsigned offset, int value)