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authorGabor Juhos <juhosg@openwrt.org>2012-02-26 10:54:13 +0000
committerGabor Juhos <juhosg@openwrt.org>2012-02-26 10:54:13 +0000
commit990c8a3efaf81a5967b0af9dd5583fdc102e71ea (patch)
tree8ea350fc62d0f52c10b019c9613e59b47459f447 /target/linux
parentd2cd4c0438fde7b9bb8a8b2b9db06f7fd81562b8 (diff)
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ramips: don't read RAMIPS_RX_CALC_IDX0 register in the loop
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30733 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux')
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_main.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_main.c b/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_main.c
index 60001e3bc1..beceb9441e 100644
--- a/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_main.c
+++ b/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_main.c
@@ -717,13 +717,15 @@ ramips_eth_rx_hw(unsigned long ptr)
int rx;
int max_rx = 16;
+ rx = ramips_fe_rr(RAMIPS_RX_CALC_IDX0);
+
while (max_rx) {
struct raeth_rx_info *rxi;
struct ramips_rx_dma *rxd;
struct sk_buff *rx_skb, *new_skb;
int pktlen;
- rx = (ramips_fe_rr(RAMIPS_RX_CALC_IDX0) + 1) % NUM_RX_DESC;
+ rx = (rx + 1) % NUM_RX_DESC;
rxi = &re->rx_info[rx];
rxd = rxi->rx_desc;