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authorJuuso Oikarinen <juuso.oikarinen@nokia.com>2010-02-22 08:38:37 +0200
committerJohn W. Linville <linville@tuxdriver.com>2010-03-09 15:03:03 -0500
commit1e73eb62cec7cf78b7295769b6e51a915518f5a1 (patch)
tree3a9cafedbe96d9953a9bcaee86bad9510c04dadf /drivers/net/wireless/wl12xx/wl1271_spi.c
parent4aa05917051b01da037a80c3207b48aee252eed2 (diff)
wl1271: Implement looped IRQ handling
This patch implements looped IRQ handling. In essence, if a new interrupt is asserted by the FW while the host is processing the previous one, the host will directly proceed processing the new IRQ without leaving the handling function. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_spi.c')
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_spi.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_spi.c b/drivers/net/wireless/wl12xx/wl1271_spi.c
index 51171d7d5da3..ed285fec2a08 100644
--- a/drivers/net/wireless/wl12xx/wl1271_spi.c
+++ b/drivers/net/wireless/wl12xx/wl1271_spi.c
@@ -324,7 +324,9 @@ static irqreturn_t wl1271_irq(int irq, void *cookie)
wl->elp_compl = NULL;
}
- ieee80211_queue_work(wl->hw, &wl->irq_work);
+ if (!test_and_set_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags))
+ ieee80211_queue_work(wl->hw, &wl->irq_work);
+ set_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags);
spin_unlock_irqrestore(&wl->wl_lock, flags);
return IRQ_HANDLED;