Commit 7b487d07 authored Nov 17, 2014 by Lothar Waßmann Committed by David S. Miller Nov 18, 2014

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



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>

parent e453789a

drivers/net/ethernet/freescale/fec_main.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;