[U-Boot] [PATCH] net: Armada100: Fix compilation warnings
Ajay Bhargav
ajay.bhargav at einfochips.com
Mon Oct 31 12:19:37 CET 2011
This patch fix compilation warnings for Armada100 FEC driver
Ref:
warning: dereferencing type-punned pointer will break
strict-aliasing rules
Signed-off-by: Ajay Bhargav <ajay.bhargav at einfochips.com>
---
drivers/net/armada100_fec.c | 14 ++++++++++----
1 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/net/armada100_fec.c b/drivers/net/armada100_fec.c
index fbf9763..1a54362 100644
--- a/drivers/net/armada100_fec.c
+++ b/drivers/net/armada100_fec.c
@@ -440,6 +440,7 @@ static int armdfec_init(struct eth_device *dev, bd_t *bd)
struct armdfec_device *darmdfec = to_darmdfec(dev);
struct armdfec_reg *regs = darmdfec->regs;
int phy_adr;
+ u32 temp;
armdfec_init_rx_desc_ring(darmdfec);
@@ -479,9 +480,12 @@ static int armdfec_init(struct eth_device *dev, bd_t *bd)
update_hash_table_mac_address(darmdfec, NULL, dev->enetaddr);
/* Update TX and RX queue descriptor register */
- writel((u32)darmdfec->p_txdesc, ®s->txcdp[TXQ]);
- writel((u32)darmdfec->p_rxdesc, ®s->rxfdp[RXQ]);
- writel((u32)darmdfec->p_rxdesc_curr, ®s->rxcdp[RXQ]);
+ temp = (u32)®s->txcdp[TXQ];
+ writel((u32)darmdfec->p_txdesc, temp);
+ temp = (u32)®s->rxfdp[RXQ];
+ writel((u32)darmdfec->p_rxdesc, temp);
+ temp = (u32)®s->rxcdp[RXQ];
+ writel((u32)darmdfec->p_rxdesc_curr, temp);
/* Enable Interrupts */
writel(ALL_INTS, ®s->im);
@@ -614,6 +618,7 @@ static int armdfec_recv(struct eth_device *dev)
struct rx_desc *p_rxdesc_curr = darmdfec->p_rxdesc_curr;
u32 cmd_sts;
u32 timeout = 0;
+ u32 temp;
/* wait untill rx packet available or timeout */
do {
@@ -667,7 +672,8 @@ static int armdfec_recv(struct eth_device *dev)
p_rxdesc_curr->buf_size = PKTSIZE_ALIGN;
p_rxdesc_curr->byte_cnt = 0;
- writel((u32)p_rxdesc_curr->nxtdesc_p, (u32)&darmdfec->p_rxdesc_curr);
+ temp = (u32)&darmdfec->p_rxdesc_curr;
+ writel((u32)p_rxdesc_curr->nxtdesc_p, temp);
return 0;
}
--
1.7.0.4
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