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>

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 @@
 u32 scx200_gpio_configure(unsigned index, u32 set, u32 clear);
 
 extern unsigned scx200_gpio_base;
-extern long scx200_gpio_shadow[2];
+extern unsigned long scx200_gpio_shadow[2];
 extern struct nsc_gpio_ops scx200_gpio_ops;
 
 #define scx200_gpio_present() (scx200_gpio_base!=0)
@@ -9,7 +9,7 @@ extern struct nsc_gpio_ops scx200_gpio_ops;
 /* Definitions to make sure I do the same thing in all functions */
 #define __SCx200_GPIO_BANK unsigned bank = index>>5
 #define __SCx200_GPIO_IOADDR unsigned short ioaddr = scx200_gpio_base+0x10*bank
-#define __SCx200_GPIO_SHADOW long *shadow = scx200_gpio_shadow+bank
+#define __SCx200_GPIO_SHADOW unsigned long *shadow = scx200_gpio_shadow+bank
 #define __SCx200_GPIO_INDEX index &= 31
 
 #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) {
         __SCx200_GPIO_IOADDR;
         __SCx200_GPIO_SHADOW;
         __SCx200_GPIO_INDEX;
-        set_bit(index, shadow);
+        set_bit(index, shadow); /* __set_bit()? */
         __SCx200_GPIO_OUT;
 }
 
@@ -53,7 +53,7 @@ static inline void scx200_gpio_set_low(unsigned index) {
         __SCx200_GPIO_IOADDR;
         __SCx200_GPIO_SHADOW;
         __SCx200_GPIO_INDEX;
-        clear_bit(index, shadow);
+        clear_bit(index, shadow); /* __clear_bit()? */
         __SCx200_GPIO_OUT;
 }