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Commit c16150d8 authored by Tomasz Figa's avatar Tomasz Figa Committed by Linus Walleij
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pinctrl: samsung: Handle banks with two configuration registers 



This patch adds support for banks that have more than one function
configuration registers, e.g. some of the banks of S3C64xx SoCs.

Signed-off-by: default avatarTomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 43fc9e7f

drivers/pinctrl/pinctrl-samsung.c

+10 −0
Original line number Diff line number Diff line
@@ -303,6 +303,11 @@ static void samsung_pinmux_setup(struct pinctrl_dev *pctldev, unsigned selector, 
		type = bank->type;

		mask = (1 << type->fld_width[PINCFG_TYPE_FUNC]) - 1;

		shift = pin_offset * type->fld_width[PINCFG_TYPE_FUNC];

		if (shift >= 32) {

			/* Some banks have two config registers */

			shift -= 32;

			reg += 4;

		}



		spin_lock_irqsave(&bank->slock, flags);
@@ -356,6 +361,11 @@ static int samsung_pinmux_gpio_set_direction(struct pinctrl_dev *pctldev, 


	mask = (1 << type->fld_width[PINCFG_TYPE_FUNC]) - 1;

	shift = pin_offset * type->fld_width[PINCFG_TYPE_FUNC];

	if (shift >= 32) {

		/* Some banks have two config registers */

		shift -= 32;

		reg += 4;

	}



	spin_lock_irqsave(&bank->slock, flags);