From: Lennert Buytenhek Date: Sat, 14 Jan 2006 21:21:17 +0000 (-0800) Subject: [PATCH] cs89x0: use u16 for device register data X-Git-Tag: v2.6.16-rc1~122 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a07f0dbec01fda6d88f5089e21454b8df53d36fc;p=linux-2.6 [PATCH] cs89x0: use u16 for device register data cs89x0 inconsistently used 'int' and 'u32' for device register data. As the cs89x0 is a 16-bit chip, change the I/O accessors over to 'u16'. (Spotted by Deepak Saxena.) Signed-off-by: Lennert Buytenhek Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c index a7ef8a66ba..2687b3e099 100644 --- a/drivers/net/cs89x0.c +++ b/drivers/net/cs89x0.c @@ -342,38 +342,38 @@ out: #endif #if defined(CONFIG_ARCH_IXDP2X01) -static int +static u16 readword(unsigned long base_addr, int portno) { - return (u16)__raw_readl(base_addr + (portno << 1)); + return __raw_readl(base_addr + (portno << 1)); } static void -writeword(unsigned long base_addr, int portno, int value) +writeword(unsigned long base_addr, int portno, u16 value) { - __raw_writel((u16)value, base_addr + (portno << 1)); + __raw_writel(value, base_addr + (portno << 1)); } #elif defined(CONFIG_ARCH_PNX010X) -static int +static u16 readword(unsigned long base_addr, int portno) { return inw(base_addr + (portno << 1)); } static void -writeword(unsigned long base_addr, int portno, int value) +writeword(unsigned long base_addr, int portno, u16 value) { outw(value, base_addr + (portno << 1)); } #else -static int +static u16 readword(unsigned long base_addr, int portno) { return inw(base_addr + portno); } static void -writeword(unsigned long base_addr, int portno, int value) +writeword(unsigned long base_addr, int portno, u16 value) { outw(value, base_addr + portno); } @@ -385,11 +385,11 @@ readwords(unsigned long base_addr, int portno, void *buf, int length) u8 *buf8 = (u8 *)buf; do { - u32 tmp32; + u16 tmp16; - tmp32 = readword(base_addr, portno); - *buf8++ = (u8)tmp32; - *buf8++ = (u8)(tmp32 >> 8); + tmp16 = readword(base_addr, portno); + *buf8++ = (u8)tmp16; + *buf8++ = (u8)(tmp16 >> 8); } while (--length); } @@ -399,23 +399,23 @@ writewords(unsigned long base_addr, int portno, void *buf, int length) u8 *buf8 = (u8 *)buf; do { - u32 tmp32; + u16 tmp16; - tmp32 = *buf8++; - tmp32 |= (*buf8++) << 8; - writeword(base_addr, portno, tmp32); + tmp16 = *buf8++; + tmp16 |= (*buf8++) << 8; + writeword(base_addr, portno, tmp16); } while (--length); } -static int -readreg(struct net_device *dev, int regno) +static u16 +readreg(struct net_device *dev, u16 regno) { writeword(dev->base_addr, ADD_PORT, regno); return readword(dev->base_addr, DATA_PORT); } static void -writereg(struct net_device *dev, int regno, int value) +writereg(struct net_device *dev, u16 regno, u16 value) { writeword(dev->base_addr, ADD_PORT, regno); writeword(dev->base_addr, DATA_PORT, value);