Commit a228d6e7 authored Aug 20, 2007 by Pavel Pisa Committed by Russell King Aug 23, 2007

[ARM] 4552/1: i.MX/MX1 GPIO output setup fix



The pins for GPIO should be provided as plain number
build as (GPIO_PORTx + pin_number). But to setup
the output GPIO_GIUS and GPIO_DR have to be specified
in mode to route right value to the pin.

This is a fix, it should go to 2.6.23

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

parent 7b1bc03e

arch/arm/mach-imx/generic.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -138,7 +138,7 @@ EXPORT_SYMBOL(imx_gpio_direction_input);
		int imx_gpio_direction_output(unsigned gpio, int value)
		{
		imx_gpio_set_value(gpio, value);
		imx_gpio_mode(gpio\| GPIO_OUT);
		imx_gpio_mode(gpio \| GPIO_OUT \| GPIO_GIUS \| GPIO_DR);
		return 0;
		}