The patch titled
mv643xx: clear pending interrupts before calling request_irq
has been added to the -mm tree. Its filename is
mv643xx-clear-pending-interrupts-before-calling-request_irq.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: mv643xx: clear pending interrupts before calling request_irq
From: Dale Farnsworth <dale@xxxxxxxxxxxxxx>
Signed-off-by: Dale Farnsworth <dale@xxxxxxxxxxxxxx>
Acked-by: Giridhar Pemmasani <pgiri@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/net/mv643xx_eth.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff -puN drivers/net/mv643xx_eth.c~mv643xx-clear-pending-interrupts-before-calling-request_irq drivers/net/mv643xx_eth.c
--- a/drivers/net/mv643xx_eth.c~mv643xx-clear-pending-interrupts-before-calling-request_irq
+++ a/drivers/net/mv643xx_eth.c
@@ -787,6 +787,12 @@ static int mv643xx_eth_open(struct net_d
unsigned int size;
int err;
+ /* Clear any pending ethernet port interrupts */
+ mv_write(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num), 0);
+ mv_write(MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num), 0);
+ /* wait for previous write to complete */
+ mv_read (MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num));
+
err = request_irq(dev->irq, mv643xx_eth_int_handler,
IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
if (err) {
@@ -875,10 +881,6 @@ static int mv643xx_eth_open(struct net_d
mv643xx_eth_rx_refill_descs(dev); /* Fill RX ring with skb's */
- /* Clear any pending ethernet port interrupts */
- mv_write(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num), 0);
- mv_write(MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num), 0);
-
eth_port_start(dev);
/* Interrupt Coalescing */
_
Patches currently in -mm which might be from dale@xxxxxxxxxxxxxx are
mv643xx-clear-pending-interrupts-before-calling-request_irq.patch
mv643xx-ethernet-driver-irq-registration-fix.patch
-
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