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authorAl Viro <viro@ftp.linux.org.uk>2007-10-14 14:35:20 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-14 15:41:51 -0400
commit64b33619a30ff18c1535ee779572ecffcc4711d2 (patch)
tree742db1890a5671d105eba372b78c7d383607ffe6 /include/linux/scx200_gpio.h
parent0cc0844bc6d0bfca97fda48fa28d1f0a7cf878cb (diff)
long vs. unsigned long - low-hanging fruits in drivers
deal with signedness of the stuff passed to set_bit() et.al. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/scx200_gpio.h')
-rw-r--r--include/linux/scx200_gpio.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/scx200_gpio.h b/include/linux/scx200_gpio.h
index d2b058130eb1..ece4e553e9ac 100644
--- a/include/linux/scx200_gpio.h
+++ b/include/linux/scx200_gpio.h
@@ -1,7 +1,7 @@
1u32 scx200_gpio_configure(unsigned index, u32 set, u32 clear); 1u32 scx200_gpio_configure(unsigned index, u32 set, u32 clear);
2 2
3extern unsigned scx200_gpio_base; 3extern unsigned scx200_gpio_base;
4extern long scx200_gpio_shadow[2]; 4extern unsigned long scx200_gpio_shadow[2];
5extern struct nsc_gpio_ops scx200_gpio_ops; 5extern struct nsc_gpio_ops scx200_gpio_ops;
6 6
7#define scx200_gpio_present() (scx200_gpio_base!=0) 7#define scx200_gpio_present() (scx200_gpio_base!=0)
@@ -9,7 +9,7 @@ extern struct nsc_gpio_ops scx200_gpio_ops;
9/* Definitions to make sure I do the same thing in all functions */ 9/* Definitions to make sure I do the same thing in all functions */
10#define __SCx200_GPIO_BANK unsigned bank = index>>5 10#define __SCx200_GPIO_BANK unsigned bank = index>>5
11#define __SCx200_GPIO_IOADDR unsigned short ioaddr = scx200_gpio_base+0x10*bank 11#define __SCx200_GPIO_IOADDR unsigned short ioaddr = scx200_gpio_base+0x10*bank
12#define __SCx200_GPIO_SHADOW long *shadow = scx200_gpio_shadow+bank 12#define __SCx200_GPIO_SHADOW unsigned long *shadow = scx200_gpio_shadow+bank
13#define __SCx200_GPIO_INDEX index &= 31 13#define __SCx200_GPIO_INDEX index &= 31
14 14
15#define __SCx200_GPIO_OUT __asm__ __volatile__("outsl":"=mS" (shadow):"d" (ioaddr), "0" (shadow)) 15#define __SCx200_GPIO_OUT __asm__ __volatile__("outsl":"=mS" (shadow):"d" (ioaddr), "0" (shadow))
@@ -42,7 +42,7 @@ static inline void scx200_gpio_set_high(unsigned index) {
42 __SCx200_GPIO_IOADDR; 42 __SCx200_GPIO_IOADDR;
43 __SCx200_GPIO_SHADOW; 43 __SCx200_GPIO_SHADOW;
44 __SCx200_GPIO_INDEX; 44 __SCx200_GPIO_INDEX;
45 set_bit(index, shadow); 45 set_bit(index, shadow); /* __set_bit()? */
46 __SCx200_GPIO_OUT; 46 __SCx200_GPIO_OUT;
47} 47}
48 48
@@ -53,7 +53,7 @@ static inline void scx200_gpio_set_low(unsigned index) {
53 __SCx200_GPIO_IOADDR; 53 __SCx200_GPIO_IOADDR;
54 __SCx200_GPIO_SHADOW; 54 __SCx200_GPIO_SHADOW;
55 __SCx200_GPIO_INDEX; 55 __SCx200_GPIO_INDEX;
56 clear_bit(index, shadow); 56 clear_bit(index, shadow); /* __clear_bit()? */
57 __SCx200_GPIO_OUT; 57 __SCx200_GPIO_OUT;
58} 58}
59 59