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revert changes to io access functions done in madwifi trunk

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(they seem wrong to me, and they break xscale)
fixes #2591


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9433 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2007-10-24 17:56:21 +00:00
parent f7eaaeb834
commit 7d4f55f4e0
1 changed files with 59 additions and 0 deletions
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59
package/madwifi/patches/128-revert_ioaccess.patch Normal file
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@ -0,0 +1,59 @@
Index: madwifi-ng-r2756-20071018/ath_hal/ah_os.h
===================================================================
--- madwifi-ng-r2756-20071018.orig/ath_hal/ah_os.h 2007-10-24 19:56:29.632449329 +0200
+++ madwifi-ng-r2756-20071018/ath_hal/ah_os.h 2007-10-24 19:56:39.192994154 +0200
@@ -172,44 +172,25 @@
* never byte-swapped by PCI chipsets or bridges, but always
* written directly (i.e. the format defined by the manufacturer).
*/
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,12)
-# if (AH_BYTE_ORDER == AH_BIG_ENDIAN)
+#if (AH_BYTE_ORDER == AH_BIG_ENDIAN)
#define _OS_REG_WRITE(_ah, _reg, _val) do { \
(0x4000 <= (_reg) && (_reg) < 0x5000) ? \
- iowrite32((_val), (_ah)->ah_sh + (_reg)) : \
- iowrite32be((_val), (_ah)->ah_sh + (_reg)); \
- } while (0)
-#define _OS_REG_READ(_ah, _reg) \
- ((0x4000 <= (_reg) && (_reg) < 0x5000) ? \
- ioread32((_ah)->ah_sh + (_reg)) : \
- ioread32be((_ah)->ah_sh + (_reg)));
-# else /* AH_LITTLE_ENDIAN */
-#define _OS_REG_WRITE(_ah, _reg, _val) do { \
- iowrite32(_val, (_ah)->ah_sh + (_reg)); \
- } while (0)
-#define _OS_REG_READ(_ah, _reg) \
- ioread32((_ah)->ah_sh + (_reg))
-
-# endif /* AH_BYTE_ORDER */
-#else
-# if (AH_BYTE_ORDER == AH_BIG_ENDIAN)
-#define _OS_REG_WRITE(_ah, _reg, _val) do { \
- writel((0x4000 <= (_reg) && (_reg) < 0x5000) ? \
- (_val) : cpu_to_le32(_val), \
- (_ah)->ah_sh + (_reg)); \
- } while (0)
+ writel((_val), (_ah)->ah_sh + (_reg)) : \
+ ({__raw_writel((_val), (_ah)->ah_sh + (_reg)); \
+ mb(); }); \
+} while (0)
#define _OS_REG_READ(_ah, _reg) \
((0x4000 <= (_reg) && (_reg) < 0x5000) ? \
readl((_ah)->ah_sh + (_reg)) : \
- cpu_to_le32(readl((_ah)->ah_sh + (_reg))))
-# else /* AH_LITTLE_ENDIAN */
+ ({unsigned long __v = __raw_readl((_ah)->ah_sh + \
+ (_reg)); mb(); __v; }))
+#else /* AH_LITTLE_ENDIAN */
#define _OS_REG_WRITE(_ah, _reg, _val) do { \
writel(_val, (_ah)->ah_sh + (_reg)); \
- } while (0)
+} while (0)
#define _OS_REG_READ(_ah, _reg) \
readl((_ah)->ah_sh + (_reg))
-# endif /* AH_BYTE_ORDER */
-#endif /* KERNEL_VERSON(2,6,12) */
+#endif /* AH_BYTE_ORDER */
/*
The functions in this section are not intended to be invoked by MadWifi driver