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net: fec: simplify loop counter handling in swap_buffer()

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Eliminate the DIV_ROUND_UP() and change the loop counter increment to
4 instead. This results in saving 6 instructions in the functions
assembly code.

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lothar Waßmann 2014-11-17 10:51:23 +01:00 committed by David S. Miller
parent e453789a66
commit 7b487d070a
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/freescale/fec_main.c
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@ -292,7 +292,7 @@ static void *swap_buffer(void *bufaddr, int len)
int i;
unsigned int *buf = bufaddr;
for (i = 0; i < DIV_ROUND_UP(len, 4); i++, buf++)
for (i = 0; i < len; i += 4, buf++)
swab32s(buf);
return bufaddr;