PERFORCE change 107232 for review
Warner Losh
imp at FreeBSD.org
Tue Oct 3 18:27:57 PDT 2006
http://perforce.freebsd.org/chv.cgi?CH=107232
Change 107232 by imp at imp_lighthouse on 2006/10/04 01:27:23
_IOR is for reading data from the kernel.
_IOW is for writing data into the kernel.
Config is definitely writing data into the kernel. Switch.
Affected files ...
.. //depot/projects/arm/src/sys/sys/gpio.h#4 edit
Differences ...
==== //depot/projects/arm/src/sys/sys/gpio.h#4 (text+ko) ====
@@ -55,6 +55,6 @@
#define GPIO_GET _IOR('g', 2, uint32_t) /* Read output bit state */
#define GPIO_READ _IOR('g', 3, uint32_t) /* Read input bit state */
#define GPIO_INFO _IOR('g', 4, struct gpio_info) /* State of gpio cfg */
-#define GPIO_CFG _IOR('g', 5, struct gpio_cfg) /* Configure gpio */
+#define GPIO_CFG _IOW('g', 5, struct gpio_cfg) /* Configure gpio */
#endif /* _SYS_GPIO_H */
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