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gianfar: fix babbling rx error event bug 

Gianfar interrupt handler uses IEVENT_ERR_MASK to check and handle errors.
Babbling RX error (IEVENT_BABR) should be included in IEVENT_ERROR_MASK.
Otherwise if BABR is raised, it never gets handled nor cleared, and an
interrupt storm results. This has been observed to happen on sending a
burst of ethernet frames to a gianfar based board.

Signed-off-by: Xiaotian Feng <xiaotian.feng@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xiaotian Feng 2009-05-26 20:48:04 -07:00 committed by David S. Miller
parent e65fcfd63a
commit 18a36c1a39
1 changed files with 1 additions and 1 deletions
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2
drivers/net/gianfar.h
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@ -259,7 +259,7 @@ extern const char gfar_driver_version[];
(IEVENT_RXC | IEVENT_BSY | IEVENT_EBERR | IEVENT_MSRO | \
IEVENT_BABT | IEVENT_TXC | IEVENT_TXE | IEVENT_LC \
| IEVENT_CRL | IEVENT_XFUN | IEVENT_DPE | IEVENT_PERR \
| IEVENT_MAG)
| IEVENT_MAG | IEVENT_BABR)
#define IMASK_INIT_CLEAR 0x00000000
#define IMASK_BABR 0x80000000