target/linux/coldfire/patches/022-Redefine-I-O-read-and-write-functions.patch

   1 From f8dab3ef2c0da1c50dee07142c0b8088da61bc82 Mon Sep 17 00:00:00 2001
   2 From: Alison Wang <b18965@freescale.com>
   3 Date: Thu, 4 Aug 2011 09:59:45 +0800
   4 Subject: [PATCH 22/52] Redefine I/O read and write functions
   5
   6 Redefine readb(), writeb(), readw(), writew(), readl(), write()
   7 functions.
   8
   9 Signed-off-by: Alison Wang <b18965@freescale.com>
  10 ---
  11  arch/m68k/include/asm/cf_io.h |   10 ++++++++++
  12  1 files changed, 10 insertions(+), 0 deletions(-)
  13
  14 --- a/arch/m68k/include/asm/cf_io.h
  15 +++ b/arch/m68k/include/asm/cf_io.h
  16 @@ -20,6 +20,16 @@
  17
  18  #include <asm-generic/iomap.h>
  19
  20 +/*
  21 + * These should be valid on any ioremap()ed region
  22 + */
  23 +#define readb(addr)            in_8(addr)
  24 +#define writeb(val, addr)      out_8((addr), (val))
  25 +#define readw(addr)            in_le16(addr)
  26 +#define writew(val, addr)      out_le16((addr), (val))
  27 +#define readl(addr)            in_le32(addr)
  28 +#define writel(val, addr)      out_le32((addr), (val))
  29 +
  30  #define readb_relaxed(addr) readb(addr)
  31  #define readw_relaxed(addr) readw(addr)
  32  #define readl_relaxed(addr) readl(addr)