X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fparisc%2Flib%2Fio.c;h=27f635086a1107af03540c66219b22b6e82ab0a6;hb=a5a3d8204ccf9e1ecbfa2bffe4785290e705a4f4;hp=86fb6b0176b912a3a4f91e7bda0ed333a81f7aa6;hpb=a91482bdcc2e0f6035702e46f1b99043a0893346;p=linux-2.6.git diff --git a/arch/parisc/lib/io.c b/arch/parisc/lib/io.c index 86fb6b017..27f635086 100644 --- a/arch/parisc/lib/io.c +++ b/arch/parisc/lib/io.c @@ -21,7 +21,7 @@ void __memcpy_toio(unsigned long dest, unsigned long src, int count) goto bytecopy; while (dest & 3) { writeb(*(char *)src, dest++); - src++; + ((char *)src)++; count--; } while (count > 3) { @@ -33,7 +33,7 @@ void __memcpy_toio(unsigned long dest, unsigned long src, int count) bytecopy: while (count--) { writeb(*(char *)src, dest++); - src++; + ((char *)src)++; } } @@ -62,17 +62,17 @@ void __memcpy_fromio(unsigned long dest, unsigned long src, int count) /* Then check for misaligned start address */ if (src & 1) { *(u8 *)dest = readb(src); - src++; - dest++; + ((u8 *)src)++; + ((u8 *)dest)++; count--; if (count < 2) goto bytecopy; } if (src & 2) { *(u16 *)dest = __raw_readw(src); - src += 2; - dest += 2; - count -= 2; + ((u16 *)src)++; + ((u16 *)dest)++; + count-=2; } while (count > 3) { @@ -85,16 +85,16 @@ void __memcpy_fromio(unsigned long dest, unsigned long src, int count) shortcopy: while (count > 1) { *(u16 *)dest = __raw_readw(src); - src += 2; - dest += 2; - count -= 2; + ((u16 *)src)++; + ((u16 *)dest)++; + count-=2; } bytecopy: while (count--) { *(char *)dest = readb(src); - src++; - dest++; + ((char *)src)++; + ((char *)dest)++; } } @@ -125,16 +125,12 @@ void __memset_io(unsigned long dest, char fill, int count) */ void insb (unsigned long port, void *dst, unsigned long count) { - unsigned char *p; - - p = (unsigned char *)dst; - - while (((unsigned long)p) & 0x3) { + while (((unsigned long)dst) & 0x3) { if (!count) return; count--; - *p = inb(port); - p++; + *(unsigned char *) dst = inb(port); + ((unsigned char *) dst)++; } while (count >= 4) { @@ -144,14 +140,14 @@ void insb (unsigned long port, void *dst, unsigned long count) w |= inb(port) << 16; w |= inb(port) << 8; w |= inb(port); - *(unsigned int *) p = w; - p += 4; + *(unsigned int *) dst = w; + ((unsigned int *) dst)++; } while (count) { --count; - *p = inb(port); - p++; + *(unsigned char *) dst = inb(port); + ((unsigned char *) dst)++; } } @@ -166,14 +162,11 @@ void insb (unsigned long port, void *dst, unsigned long count) void insw (unsigned long port, void *dst, unsigned long count) { unsigned int l = 0, l2; - unsigned char *p; - - p = (unsigned char *)dst; if (!count) return; - switch (((unsigned long)p) & 0x3) + switch (((unsigned long) dst) & 0x3) { case 0x00: /* Buffer 32-bit aligned */ while (count>=2) { @@ -181,28 +174,28 @@ void insw (unsigned long port, void *dst, unsigned long count) count -= 2; l = cpu_to_le16(inw(port)) << 16; l |= cpu_to_le16(inw(port)); - *(unsigned int *)p = l; - p += 4; + *(unsigned int *) dst = l; + ((unsigned int *) dst)++; } if (count) { - *(unsigned short *)p = cpu_to_le16(inw(port)); + *(unsigned short *) dst = cpu_to_le16(inw(port)); } break; case 0x02: /* Buffer 16-bit aligned */ - *(unsigned short *)p = cpu_to_le16(inw(port)); - p += 2; + *(unsigned short *) dst = cpu_to_le16(inw(port)); + ((unsigned short *) dst)++; count--; while (count>=2) { count -= 2; l = cpu_to_le16(inw(port)) << 16; l |= cpu_to_le16(inw(port)); - *(unsigned int *)p = l; - p += 4; + *(unsigned int *) dst = l; + ((unsigned int *) dst)++; } if (count) { - *(unsigned short *)p = cpu_to_le16(inw(port)); + *(unsigned short *) dst = cpu_to_le16(inw(port)); } break; @@ -213,16 +206,16 @@ void insw (unsigned long port, void *dst, unsigned long count) --count; l = cpu_to_le16(inw(port)); - *p = l >> 8; - p++; + *(unsigned char *) dst = l >> 8; + ((unsigned char *) dst)++; while (count--) { l2 = cpu_to_le16(inw(port)); - *(unsigned short *)p = (l & 0xff) << 8 | (l2 >> 8); - p += 2; + *(unsigned short *) dst = (l & 0xff) << 8 | (l2 >> 8); + ((unsigned short *) dst)++; l = l2; } - *p = l & 0xff; + *(unsigned char *) dst = l & 0xff; break; } } @@ -238,9 +231,6 @@ void insw (unsigned long port, void *dst, unsigned long count) void insl (unsigned long port, void *dst, unsigned long count) { unsigned int l = 0, l2; - unsigned char *p; - - p = (unsigned char *)dst; if (!count) return; @@ -250,8 +240,8 @@ void insl (unsigned long port, void *dst, unsigned long count) case 0x00: /* Buffer 32-bit aligned */ while (count--) { - *(unsigned int *)p = cpu_to_le32(inl(port)); - p += 4; + *(unsigned int *) dst = cpu_to_le32(inl(port)); + ((unsigned int *) dst)++; } break; @@ -259,51 +249,51 @@ void insl (unsigned long port, void *dst, unsigned long count) --count; l = cpu_to_le32(inl(port)); - *(unsigned short *)p = l >> 16; - p += 2; + *(unsigned short *) dst = l >> 16; + ((unsigned short *) dst)++; while (count--) { l2 = cpu_to_le32(inl(port)); - *(unsigned int *)p = (l & 0xffff) << 16 | (l2 >> 16); - p += 4; + *(unsigned int *) dst = (l & 0xffff) << 16 | (l2 >> 16); + ((unsigned int *) dst)++; l = l2; } - *(unsigned short *)p = l & 0xffff; + *(unsigned short *) dst = l & 0xffff; break; case 0x01: /* Buffer 8-bit aligned */ --count; l = cpu_to_le32(inl(port)); - *(unsigned char *)p = l >> 24; - p++; - *(unsigned short *)p = (l >> 8) & 0xffff; - p += 2; + *(unsigned char *) dst = l >> 24; + ((unsigned char *) dst)++; + *(unsigned short *) dst = (l >> 8) & 0xffff; + ((unsigned short *) dst)++; while (count--) { l2 = cpu_to_le32(inl(port)); - *(unsigned int *)p = (l & 0xff) << 24 | (l2 >> 8); - p += 4; + *(unsigned int *) dst = (l & 0xff) << 24 | (l2 >> 8); + ((unsigned int *) dst)++; l = l2; } - *p = l & 0xff; + *(unsigned char *) dst = l & 0xff; break; case 0x03: /* Buffer 8-bit aligned */ --count; l = cpu_to_le32(inl(port)); - *p = l >> 24; - p++; + *(unsigned char *) dst = l >> 24; + ((unsigned char *) dst)++; while (count--) { l2 = cpu_to_le32(inl(port)); - *(unsigned int *)p = (l & 0xffffff) << 8 | l2 >> 24; - p += 4; + *(unsigned int *) dst = (l & 0xffffff) << 8 | l2 >> 24; + ((unsigned int *) dst)++; l = l2; } - *(unsigned short *)p = (l >> 8) & 0xffff; - p += 2; - *p = l & 0xff; + *(unsigned short *) dst = (l >> 8) & 0xffff; + ((unsigned short *) dst)++; + *(unsigned char *) dst = l & 0xff; break; } } @@ -317,13 +307,10 @@ void insl (unsigned long port, void *dst, unsigned long count) */ void outsb(unsigned long port, const void * src, unsigned long count) { - const unsigned char *p; - - p = (const unsigned char *)src; while (count) { count--; - outb(*p, port); - p++; + outb(*(char *)src, port); + ((char *) src)++; } } @@ -336,43 +323,40 @@ void outsb(unsigned long port, const void * src, unsigned long count) void outsw (unsigned long port, const void *src, unsigned long count) { unsigned int l = 0, l2; - const unsigned char *p; - - p = (const unsigned char *)src; if (!count) return; - switch (((unsigned long)p) & 0x3) + switch (((unsigned long) src) & 0x3) { case 0x00: /* Buffer 32-bit aligned */ while (count>=2) { count -= 2; - l = *(unsigned int *)p; - p += 4; + l = *(unsigned int *) src; + ((unsigned int *) src)++; outw(le16_to_cpu(l >> 16), port); outw(le16_to_cpu(l & 0xffff), port); } if (count) { - outw(le16_to_cpu(*(unsigned short*)p), port); + outw(le16_to_cpu(*(unsigned short*)src), port); } break; case 0x02: /* Buffer 16-bit aligned */ - outw(le16_to_cpu(*(unsigned short*)p), port); - p += 2; + outw(le16_to_cpu(*(unsigned short*)src), port); + ((unsigned short *) src)++; count--; while (count>=2) { count -= 2; - l = *(unsigned int *)p; - p += 4; + l = *(unsigned int *) src; + ((unsigned int *) src)++; outw(le16_to_cpu(l >> 16), port); outw(le16_to_cpu(l & 0xffff), port); } if (count) { - outw(le16_to_cpu(*(unsigned short *)p), port); + outw(le16_to_cpu(*(unsigned short*)src), port); } break; @@ -380,18 +364,18 @@ void outsw (unsigned long port, const void *src, unsigned long count) /* I don't bother with 32bit transfers * in this case, 16bit will have to do -- DE */ - l = *p << 8; - p++; + l = *(unsigned char *) src << 8; + ((unsigned char *) src)++; count--; while (count) { count--; - l2 = *(unsigned short *)p; - p += 2; + l2 = *(unsigned short *) src; + ((unsigned short *) src)++; outw(le16_to_cpu(l | l2 >> 8), port); l = l2 << 8; } - l2 = *(unsigned char *)p; + l2 = *(unsigned char *) src; outw (le16_to_cpu(l | l2>>8), port); break; @@ -408,73 +392,68 @@ void outsw (unsigned long port, const void *src, unsigned long count) void outsl (unsigned long port, const void *src, unsigned long count) { unsigned int l = 0, l2; - const unsigned char *p; - - p = (const unsigned char *)src; if (!count) return; - switch (((unsigned long)p) & 0x3) + switch (((unsigned long) src) & 0x3) { case 0x00: /* Buffer 32-bit aligned */ while (count--) { - outl(le32_to_cpu(*(unsigned int *)p), port); - p += 4; + outl(le32_to_cpu(*(unsigned int *) src), port); + ((unsigned int *) src)++; } break; case 0x02: /* Buffer 16-bit aligned */ --count; - l = *(unsigned short *)p; - p += 2; + l = *(unsigned short *) src; + ((unsigned short *) src)++; while (count--) { - l2 = *(unsigned int *)p; - p += 4; + l2 = *(unsigned int *) src; + ((unsigned int *) src)++; outl (le32_to_cpu(l << 16 | l2 >> 16), port); l = l2; } - l2 = *(unsigned short *)p; + l2 = *(unsigned short *) src; outl (le32_to_cpu(l << 16 | l2), port); break; case 0x01: /* Buffer 8-bit aligned */ --count; - - l = *p << 24; - p++; - l |= *(unsigned short *)p << 8; - p += 2; - + + l = *(unsigned char *) src << 24; + ((unsigned char *) src)++; + l |= *(unsigned short *) src << 8; + ((unsigned short *) src)++; while (count--) { - l2 = *(unsigned int *)p; - p += 4; + l2 = *(unsigned int *) src; + ((unsigned int *) src)++; outl (le32_to_cpu(l | l2 >> 24), port); l = l2 << 8; } - l2 = *p; - outl (le32_to_cpu(l | l2), port); + l2 = *(unsigned char *) src; + outl (le32_to_cpu(l | l2), port); break; case 0x03: /* Buffer 8-bit aligned */ --count; - l = *p << 24; - p++; - + l = *(unsigned char *) src << 24; + ((unsigned char *) src)++; while (count--) { - l2 = *(unsigned int *)p; - p += 4; + l2 = *(unsigned int *) src; + ((unsigned int *) src)++; outl (le32_to_cpu(l | l2 >> 8), port); l = l2 << 24; } - l2 = *(unsigned short *)p << 16; - p += 2; - l2 |= *p; + l2 = *(unsigned short *) src << 16; + ((unsigned short *) src)++; + l2 |= *(unsigned char *) src; outl (le32_to_cpu(l | l2), port); break; }