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authorDaniel Hellstrom <daniel@gaisler.com>2011-01-14 03:02:42 +0000
committerDavid S. Miller <davem@davemloft.net>2011-01-14 12:45:54 -0800
commit1ca23434dd0001bd2bfff31b8251436b34aa9066 (patch)
treeaa6696927db181540cfd9ec551e54d18dfc60e4a /drivers/net/greth.c
parent2436af8ca7a6c4679cf7da7e3867f1d5cd8528b7 (diff)
GRETH: handle frame error interrupts
Frame error interrupts must also be handled since the RX flag only indicates successful reception, it is unlikely but the old code may lead to dead lock if 128 error frames are recieved in a row. Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/greth.c')
-rw-r--r--drivers/net/greth.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/greth.c b/drivers/net/greth.c
index e48d18216cb..b888abe6cd2 100644
--- a/drivers/net/greth.c
+++ b/drivers/net/greth.c
@@ -586,12 +586,13 @@ static irqreturn_t greth_interrupt(int irq, void *dev_id)
status = GRETH_REGLOAD(greth->regs->status);
/* Handle rx and tx interrupts through poll */
- if (status & (GRETH_INT_RX | GRETH_INT_TX)) {
+ if (status & (GRETH_INT_RE | GRETH_INT_RX |
+ GRETH_INT_TE | GRETH_INT_TX)) {
/* Clear interrupt status */
- GRETH_REGORIN(greth->regs->status,
- status & (GRETH_INT_RX | GRETH_INT_TX));
-
+ GRETH_REGSAVE(greth->regs->status,
+ status & (GRETH_INT_RE | GRETH_INT_RX |
+ GRETH_INT_TE | GRETH_INT_TX));
retval = IRQ_HANDLED;
/* Disable interrupts and schedule poll() */