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ARM/MXS: the GPIO bitkeeper enable logic is inverse to the pullup enable logic 

While a set bit enables the pullup (if exists) it disables the bitkeeper (if
exists). Both features are using the same register bit and only one of this
feature is present on a per pin base.

Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Juergen Beisert 2012-07-11 11:15:58 +02:00 committed by Sascha Hauer
parent a540e88965
commit 2f6b1f7690
1 changed files with 1 additions and 1 deletions
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2
arch/arm/mach-mxs/iomux-imx.c
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@ -131,7 +131,7 @@ void imx_gpio_mode(uint32_t m)
if (BK_PRESENT(m)) {
reg_offset = calc_pullup_reg(gpio_pin);
writel(0x1 << (gpio_pin % 32), IMX_IOMUXC_BASE + reg_offset +
(GET_BITKEEPER(m) == 1 ? BIT_SET : BIT_CLR));
(GET_BITKEEPER(m) == 1 ? BIT_CLR : BIT_SET));
}
if (GET_FUNC(m) == IS_GPIO) {