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wl1271: handle HW watchdog interrupt

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unmask the WL1271_ACX_INTR_WATCHDOG interrupt.
when getting it - enqueue a recovery work and bail out.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
This commit is contained in:
Eliad Peller 2010-10-27 14:09:57 +02:00 committed by John W. Linville
parent 03107a4b59
commit ccc83b046c
2 changed files with 11 additions and 1 deletions
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3
drivers/net/wireless/wl12xx/wl1271_acx.h
View File

@ -61,7 +61,8 @@
WL1271_ACX_INTR_HW_AVAILABLE | \
WL1271_ACX_INTR_DATA)
#define WL1271_INTR_MASK (WL1271_ACX_INTR_EVENT_A | \
#define WL1271_INTR_MASK (WL1271_ACX_INTR_WATCHDOG | \
WL1271_ACX_INTR_EVENT_A | \
WL1271_ACX_INTR_EVENT_B | \
WL1271_ACX_INTR_HW_AVAILABLE | \
WL1271_ACX_INTR_DATA)

9
drivers/net/wireless/wl12xx/wl1271_main.c
View File

@ -529,6 +529,15 @@ static void wl1271_irq_work(struct work_struct *work)
intr &= WL1271_INTR_MASK;
if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) {
wl1271_error("watchdog interrupt received! "
"starting recovery.");
ieee80211_queue_work(wl->hw, &wl->recovery_work);
/* restarting the chip. ignore any other interrupt. */
goto out;
}
if (intr & WL1271_ACX_INTR_DATA) {
wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA");