mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-27 13:46:26 +02:00
365590ad71
when setting the output state 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. (#3974)
Signed-off-by: Bruno Randolf <br1@einfach.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12561 3c298f89-4303-0410-b956-a3cf2f4a3e73
21 lines
640 B
Diff
21 lines
640 B
Diff
--- linux-2.6.25.16/arch/mips/au1000/common/gpio.c.org 2008-09-04 22:32:12.000000000 +0200
|
|
+++ linux-2.6.25.16/arch/mips/au1000/common/gpio.c 2008-09-04 23:10:18.000000000 +0200
|
|
@@ -66,7 +66,8 @@
|
|
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;
|
|
}
|
|
|
|
@@ -95,6 +96,7 @@
|
|
static int au1xxx_gpio1_direction_output(unsigned gpio, int value)
|
|
{
|
|
gpio1->trioutclr = (0x01 & gpio);
|
|
+ au1xxx_gpio1_write(gpio, value);
|
|
return 0;
|
|
}
|
|
|