sky2: Fix for interrupt handler
commit d663d181b9e92d80c2455e460e932d34e7a2a7ae upstream.
Re-enable interrupts if it is not our interrupt
Signed-off-by: Mirko Lindner <mlindner@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 589753f..2b78ddd 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -3079,8 +3079,10 @@
/* Reading this mask interrupts as side effect */
status = sky2_read32(hw, B0_Y2_SP_ISRC2);
- if (status == 0 || status == ~0)
+ if (status == 0 || status == ~0) {
+ sky2_write32(hw, B0_Y2_SP_ICR, 2);
return IRQ_NONE;
+ }
prefetch(&hw->st_le[hw->st_idx]);