[U-Boot] [PATCH] net: ftmac100: remove unncessary volatiles

[Po-Yu Chuang <ratbert.chuang@gmail.com>]

From: Po-Yu Chuang <ratbert@faraday-tech.com>

This patch also update get_timer() usage.

Signed-off-by: Po-Yu Chuang <ratbert@faraday-tech.com>
---
 drivers/net/ftmac100.c |   20 +++++++++-----------
 1 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ftmac100.c b/drivers/net/ftmac100.c
index 2328cb5..787d69b 100644
--- a/drivers/net/ftmac100.c
+++ b/drivers/net/ftmac100.c
@@ -30,8 +30,8 @@
 #define ETH_ZLEN	60
 
 struct ftmac100_data {
-	volatile struct ftmac100_txdes txdes[1];
-	volatile struct ftmac100_rxdes rxdes[PKTBUFSRX];
+	struct ftmac100_txdes txdes[1];
+	struct ftmac100_rxdes rxdes[PKTBUFSRX];
 	int rx_index;
 };
 
@@ -88,8 +88,8 @@ static int ftmac100_init (struct eth_device *dev, bd_t *bd)
 {
 	struct ftmac100 *ftmac100 = (struct ftmac100 *)dev->iobase;
 	struct ftmac100_data *priv = dev->priv;
-	volatile struct ftmac100_txdes *txdes = priv->txdes;
-	volatile struct ftmac100_rxdes *rxdes = priv->rxdes;
+	struct ftmac100_txdes *txdes = priv->txdes;
+	struct ftmac100_rxdes *rxdes = priv->rxdes;
 	unsigned int maccr;
 	int i;
 
@@ -153,7 +153,7 @@ static int ftmac100_init (struct eth_device *dev, bd_t *bd)
 static int ftmac100_recv (struct eth_device *dev)
 {
 	struct ftmac100_data *priv = dev->priv;
-	volatile struct ftmac100_rxdes *curr_des;
+	struct ftmac100_rxdes *curr_des;
 	unsigned short rxlen;
 
 	curr_des = &priv->rxdes[priv->rx_index];
@@ -195,8 +195,8 @@ ftmac100_send (struct eth_device *dev, volatile void *packet, int length)
 {
 	struct ftmac100 *ftmac100 = (struct ftmac100 *)dev->iobase;
 	struct ftmac100_data *priv = dev->priv;
-	volatile struct ftmac100_txdes *curr_des = priv->txdes;
-	int tmo;
+	struct ftmac100_txdes *curr_des = priv->txdes;
+	ulong start;
 
 	if (curr_des->txdes0 & FTMAC100_TXDES0_TXDMA_OWN) {
 		debug ("%s(): no TX descriptor available\n", __func__);
@@ -219,14 +219,12 @@ ftmac100_send (struct eth_device *dev, volatile void *packet, int length)
 	curr_des->txdes0 = FTMAC100_TXDES0_TXDMA_OWN;
 
 	/* start transmit */
-
 	writel (1, &ftmac100->txpd);
 
 	/* wait for transfer to succeed */
-
-	tmo = get_timer (0) + 5 * CONFIG_SYS_HZ;
+	start = get_timer (0);
 	while (curr_des->txdes0 & FTMAC100_TXDES0_TXDMA_OWN) {
-		if (get_timer (0) >= tmo) {
+		if (get_timer (start) >= 5) {
 			debug ("%s(): timed out\n", __func__);
 			return -1;
 		}
-- 
1.6.3.3