Author: ian
Date: Thu Jul 10 14:06:18 2014
New Revision: 268495
URL: http://svnweb.freebsd.org/changeset/base/268495
Log:
Pending interrupt status is cleared by writing to the ISR, not the data reg.
MFC after: 1 week
Modified:
head/sys/arm/freescale/imx/imx51_gpio.c
Modified: head/sys/arm/freescale/imx/imx51_gpio.c
==============================================================================
--- head/sys/arm/freescale/imx/imx51_gpio.c Thu Jul 10 13:08:51 2014
(r268494)
+++ head/sys/arm/freescale/imx/imx51_gpio.c Thu Jul 10 14:06:18 2014
(r268495)
@@ -355,7 +355,7 @@ imx51_gpio_intr(void *arg)
sc = arg;
input = READ4(sc, IMX_GPIO_ISR_REG);
value = input & READ4(sc, IMX_GPIO_IMR_REG);
- WRITE4(sc, IMX_GPIO_DR_REG, input);
+ WRITE4(sc, IMX_GPIO_ISR_REG, input);
if (!value)
goto intr_done;
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