From: Henry Ptasinski Date: Mon, 15 Aug 2011 13:34:22 +0000 (+0200) Subject: staging: brcm80211: Remove swaps in R_REG and W_REG macros X-Git-Tag: firefly_0821_release~3680^2~4313^2^2~864^2~278 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ba1fff7f705ed15e9d5a5922614aa4a259e9f8bc;p=firefly-linux-kernel-4.4.55.git staging: brcm80211: Remove swaps in R_REG and W_REG macros Swapping the addresses is unnecessary, since the swaps are handled by the underlying platform code (i.e. readb() etc. handle any necessary swapping). Tested on Mac G5 PPC and BCM63281. Signed-off-by: Henry Ptasinski Reviewed-by: Arend van Spriel Tested-by: Jonas Gorski Signed-off-by: Arend van Spriel Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/brcm80211/brcmsmac/types.h b/drivers/staging/brcm80211/brcmsmac/types.h index c0d41cc910d3..ad874a79cb4c 100644 --- a/drivers/staging/brcm80211/brcmsmac/types.h +++ b/drivers/staging/brcm80211/brcmsmac/types.h @@ -329,28 +329,17 @@ do { \ * location are defined in only one spot. This reduces the risk of the * programmer trying to use an unsupported transaction size on a register. * - * For big endian operation, a byte swap has to be done. Eg, when attempting - * to read byte address 0, byte 3 should be read. This is accomplished - * using an xor ('^') operator. */ -#ifndef __BIG_ENDIAN -#define SWP2(r) (r) -#define SWP3(r) (r) -#else -#define SWP2(r) ((unsigned long)(r)^2) -#define SWP3(r) ((unsigned long)(r)^3) -#endif /* __BIG_ENDIAN */ - #define R_REG(r) \ ({ \ __typeof(*(r)) __osl_v; \ switch (sizeof(*(r))) { \ case sizeof(u8): \ - __osl_v = readb((u8 *)(SWP3(r))); \ + __osl_v = readb((u8 *)(r)); \ break; \ case sizeof(u16): \ - __osl_v = readw((u16 *)(SWP2(r))); \ + __osl_v = readw((u16 *)(r)); \ break; \ case sizeof(u32): \ __osl_v = readl((u32 *)(r)); \ @@ -362,10 +351,10 @@ do { \ #define W_REG(r, v) do { \ switch (sizeof(*(r))) { \ case sizeof(u8): \ - writeb((u8)(v), (u8 *)(SWP3(r))); \ + writeb((u8)(v), (u8 *)(r)); \ break; \ case sizeof(u16): \ - writew((u16)(v), (u16 *)(SWP2(r))); \ + writew((u16)(v), (u16 *)(r)); \ break; \ case sizeof(u32): \ writel((u32)(v), (u32 *)(r)); \