Commit 44ce1719 authored by Bruno Randolf's avatar Bruno Randolf Committed by Ralf Baechle

[MIPS] au1000: Fix gpio direction

When setting the direction of one GPIO pin we have to keep the state of the
other pins, hence use binary OR. Also gpio_direction_output() wants to set an
initial value, so add that too.

This fixes a problem with the USB power switch on mtx-1 boards.
Signed-off-by: default avatarBruno Randolf <br1@einfach.org>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent fb478da5
......@@ -61,7 +61,8 @@ static int au1xxx_gpio2_direction_input(unsigned gpio)
static int au1xxx_gpio2_direction_output(unsigned gpio, int value)
{
gpio -= AU1XXX_GPIO_BASE;
gpio2->dir = (0x01 << gpio) | (value << gpio);
gpio2->dir |= 0x01 << gpio;
gpio2->output = (GPIO2_OUTPUT_ENABLE_MASK << gpio) | (value << gpio);
return 0;
}
......@@ -90,6 +91,7 @@ static int au1xxx_gpio1_direction_input(unsigned gpio)
static int au1xxx_gpio1_direction_output(unsigned gpio, int value)
{
gpio1->trioutclr = (0x01 & gpio);
au1xxx_gpio1_write(gpio, value);
return 0;
}
......
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