From 344893884685c1c4ec38d7c1e6f719c0030f7f9c Mon Sep 17 00:00:00 2001 From: Stephen Rothwell Date: Fri, 7 Dec 2007 01:53:44 +1100 Subject: [PATCH] [POWERPC] iSeries: Remove one layer of IO routines Signed-off-by: Stephen Rothwell Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/iseries/pci.c | 68 ++++++++-------------------- 1 file changed, 19 insertions(+), 49 deletions(-) diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c index 105b23d3360..8844d3e488d 100644 --- a/arch/powerpc/platforms/iseries/pci.c +++ b/arch/powerpc/platforms/iseries/pci.c @@ -382,7 +382,7 @@ static inline struct device_node *xlate_iomm_address( * On MM I/O error, all ones are returned and iSeries_pci_IoError is cal * else, data is returned in Big Endian format. */ -static u8 iSeries_read_byte(const volatile void __iomem *addr) +static u8 iseries_readb(const volatile void __iomem *addr) { u64 bar_offset; u64 dsa; @@ -400,7 +400,7 @@ static u8 iSeries_read_byte(const volatile void __iomem *addr) return ret.value; } -static u16 iSeries_read_word(const volatile void __iomem *addr) +static u16 iseries_readw_be(const volatile void __iomem *addr) { u64 bar_offset; u64 dsa; @@ -419,7 +419,7 @@ static u16 iSeries_read_word(const volatile void __iomem *addr) return ret.value; } -static u32 iSeries_read_long(const volatile void __iomem *addr) +static u32 iseries_readl_be(const volatile void __iomem *addr) { u64 bar_offset; u64 dsa; @@ -442,7 +442,7 @@ static u32 iSeries_read_long(const volatile void __iomem *addr) * Write MM I/O Instructions for the iSeries * */ -static void iSeries_write_byte(u8 data, volatile void __iomem *addr) +static void iseries_writeb(u8 data, volatile void __iomem *addr) { u64 bar_offset; u64 dsa; @@ -458,7 +458,7 @@ static void iSeries_write_byte(u8 data, volatile void __iomem *addr) } while (check_return_code("WWB", dn, &retry, rc) != 0); } -static void iSeries_write_word(u16 data, volatile void __iomem *addr) +static void iseries_writew_be(u16 data, volatile void __iomem *addr) { u64 bar_offset; u64 dsa; @@ -474,7 +474,7 @@ static void iSeries_write_word(u16 data, volatile void __iomem *addr) } while (check_return_code("WWW", dn, &retry, rc) != 0); } -static void iSeries_write_long(u32 data, volatile void __iomem *addr) +static void iseries_writel_be(u32 data, volatile void __iomem *addr) { u64 bar_offset; u64 dsa; @@ -490,54 +490,24 @@ static void iSeries_write_long(u32 data, volatile void __iomem *addr) } while (check_return_code("WWL", dn, &retry, rc) != 0); } -static u8 iseries_readb(const volatile void __iomem *addr) -{ - return iSeries_read_byte(addr); -} - static u16 iseries_readw(const volatile void __iomem *addr) { - return le16_to_cpu(iSeries_read_word(addr)); + return le16_to_cpu(iseries_readw_be(addr)); } static u32 iseries_readl(const volatile void __iomem *addr) { - return le32_to_cpu(iSeries_read_long(addr)); -} - -static u16 iseries_readw_be(const volatile void __iomem *addr) -{ - return iSeries_read_word(addr); -} - -static u32 iseries_readl_be(const volatile void __iomem *addr) -{ - return iSeries_read_long(addr); -} - -static void iseries_writeb(u8 data, volatile void __iomem *addr) -{ - iSeries_write_byte(data, addr); + return le32_to_cpu(iseries_readl_be(addr)); } static void iseries_writew(u16 data, volatile void __iomem *addr) { - iSeries_write_word(cpu_to_le16(data), addr); + iseries_writew_be(cpu_to_le16(data), addr); } static void iseries_writel(u32 data, volatile void __iomem *addr) { - iSeries_write_long(cpu_to_le32(data), addr); -} - -static void iseries_writew_be(u16 data, volatile void __iomem *addr) -{ - iSeries_write_word(data, addr); -} - -static void iseries_writel_be(u32 data, volatile void __iomem *addr) -{ - iSeries_write_long(data, addr); + iseries_writel(cpu_to_le32(data), addr); } static void iseries_readsb(const volatile void __iomem *addr, void *buf, @@ -545,7 +515,7 @@ static void iseries_readsb(const volatile void __iomem *addr, void *buf, { u8 *dst = buf; while(count-- > 0) - *(dst++) = iSeries_read_byte(addr); + *(dst++) = iseries_readb(addr); } static void iseries_readsw(const volatile void __iomem *addr, void *buf, @@ -553,7 +523,7 @@ static void iseries_readsw(const volatile void __iomem *addr, void *buf, { u16 *dst = buf; while(count-- > 0) - *(dst++) = iSeries_read_word(addr); + *(dst++) = iseries_readw_be(addr); } static void iseries_readsl(const volatile void __iomem *addr, void *buf, @@ -561,7 +531,7 @@ static void iseries_readsl(const volatile void __iomem *addr, void *buf, { u32 *dst = buf; while(count-- > 0) - *(dst++) = iSeries_read_long(addr); + *(dst++) = iseries_readl_be(addr); } static void iseries_writesb(volatile void __iomem *addr, const void *buf, @@ -569,7 +539,7 @@ static void iseries_writesb(volatile void __iomem *addr, const void *buf, { const u8 *src = buf; while(count-- > 0) - iSeries_write_byte(*(src++), addr); + iseries_writeb(*(src++), addr); } static void iseries_writesw(volatile void __iomem *addr, const void *buf, @@ -577,7 +547,7 @@ static void iseries_writesw(volatile void __iomem *addr, const void *buf, { const u16 *src = buf; while(count-- > 0) - iSeries_write_word(*(src++), addr); + iseries_writew_be(*(src++), addr); } static void iseries_writesl(volatile void __iomem *addr, const void *buf, @@ -585,7 +555,7 @@ static void iseries_writesl(volatile void __iomem *addr, const void *buf, { const u32 *src = buf; while(count-- > 0) - iSeries_write_long(*(src++), addr); + iseries_writel_be(*(src++), addr); } static void iseries_memset_io(volatile void __iomem *addr, int c, @@ -594,7 +564,7 @@ static void iseries_memset_io(volatile void __iomem *addr, int c, volatile char __iomem *d = addr; while (n-- > 0) - iSeries_write_byte(c, d++); + iseries_writeb(c, d++); } static void iseries_memcpy_fromio(void *dest, const volatile void __iomem *src, @@ -604,7 +574,7 @@ static void iseries_memcpy_fromio(void *dest, const volatile void __iomem *src, const volatile char __iomem *s = src; while (n-- > 0) - *d++ = iSeries_read_byte(s++); + *d++ = iseries_readb(s++); } static void iseries_memcpy_toio(volatile void __iomem *dest, const void *src, @@ -614,7 +584,7 @@ static void iseries_memcpy_toio(volatile void __iomem *dest, const void *src, volatile char __iomem *d = dest; while (n-- > 0) - iSeries_write_byte(*s++, d++); + iseries_writeb(*s++, d++); } /* We only set MMIO ops. The default PIO ops will be default -- 2.41.0