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git://projects.qi-hardware.com/openwrt-xburst.git
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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
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+++ linux-2.6.25.16/arch/mips/au1000/common/gpio.c 2008-09-04 23:10:18.000000000 +0200
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@@ -66,7 +66,8 @@
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static int au1xxx_gpio2_direction_output(unsigned gpio, int value)
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{
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gpio -= AU1XXX_GPIO_BASE;
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- gpio2->dir = (0x01 << gpio) | (value << gpio);
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+ gpio2->dir |= 0x01 << gpio;
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+ gpio2->output = (GPIO2_OUTPUT_ENABLE_MASK << gpio) | (value << gpio);
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return 0;
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}
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@@ -95,6 +96,7 @@
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static int au1xxx_gpio1_direction_output(unsigned gpio, int value)
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{
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gpio1->trioutclr = (0x01 & gpio);
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+ au1xxx_gpio1_write(gpio, value);
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return 0;
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}
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