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authorDavid S. Miller <davem@davemloft.net>2009-04-21 01:32:26 -0700
committerDavid S. Miller <davem@davemloft.net>2009-04-21 01:32:26 -0700
commite5e9743bb7429f53c83ad69b432f7b661e74c3f0 (patch)
treedb3691aef0d46c4aed4a2be6dc8ab7c44c3488cb /drivers/net/macb.c
parenta0f82f64e26929776c58a5c93c2ecb38e3d82815 (diff)
parent775d8d931581764a1ec982ebe5a927b12762fb6d (diff)
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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: net/core/dev.c
Diffstat (limited to 'drivers/net/macb.c')
-rw-r--r--drivers/net/macb.c28
1 files changed, 6 insertions, 22 deletions
diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 46073de290c..e82aee41d77 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -316,10 +316,11 @@ static void macb_tx(struct macb *bp)
dev_dbg(&bp->pdev->dev, "macb_tx status = %02lx\n",
(unsigned long)status);
- if (status & MACB_BIT(UND)) {
+ if (status & (MACB_BIT(UND) | MACB_BIT(TSR_RLE))) {
int i;
- printk(KERN_ERR "%s: TX underrun, resetting buffers\n",
- bp->dev->name);
+ printk(KERN_ERR "%s: TX %s, resetting buffers\n",
+ bp->dev->name, status & MACB_BIT(UND) ?
+ "underrun" : "retry limit exceeded");
/* Transfer ongoing, disable transmitter, to avoid confusion */
if (status & MACB_BIT(TGO))
@@ -520,27 +521,10 @@ static int macb_poll(struct napi_struct *napi, int budget)
macb_writel(bp, RSR, status);
work_done = 0;
- if (!status) {
- /*
- * This may happen if an interrupt was pending before
- * this function was called last time, and no packets
- * have been received since.
- */
- napi_complete(napi);
- goto out;
- }
dev_dbg(&bp->pdev->dev, "poll: status = %08lx, budget = %d\n",
(unsigned long)status, budget);
- if (!(status & MACB_BIT(REC))) {
- dev_warn(&bp->pdev->dev,
- "No RX buffers complete, status = %02lx\n",
- (unsigned long)status);
- napi_complete(napi);
- goto out;
- }
-
work_done = macb_rx(bp, budget);
if (work_done < budget)
napi_complete(napi);
@@ -549,7 +533,6 @@ static int macb_poll(struct napi_struct *napi, int budget)
* We've done what we can to clean the buffers. Make sure we
* get notified when new packets arrive.
*/
-out:
macb_writel(bp, IER, MACB_RX_INT_FLAGS);
/* TODO: Handle errors */
@@ -590,7 +573,8 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id)
}
}
- if (status & (MACB_BIT(TCOMP) | MACB_BIT(ISR_TUND)))
+ if (status & (MACB_BIT(TCOMP) | MACB_BIT(ISR_TUND) |
+ MACB_BIT(ISR_RLE)))
macb_tx(bp);
/*