Commit 30735561 authored by Holger Schurig's avatar Holger Schurig Committed by John W. Linville
Browse files

libertas: fix interrupt issue



This helps against lost interrupts and aids in debugging this.
Signed-off-by: default avatarHolger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: default avatarDan Williams <dcbw@redhat.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent d2c3cc00
......@@ -379,6 +379,8 @@ static irqreturn_t if_cs_interrupt(int irq, void *data)
/* Ask card interrupt cause register if there is something for us */
cause = if_cs_read16(card, IF_CS_CARD_INT_CAUSE);
lbs_deb_cs("cause 0x%04x\n", cause);
if (cause == 0) {
/* Not for us */
return IRQ_NONE;
......@@ -390,10 +392,6 @@ static irqreturn_t if_cs_interrupt(int irq, void *data)
return IRQ_HANDLED;
}
/* Clear interrupt cause */
if_cs_write16(card, IF_CS_CARD_INT_CAUSE, cause & IF_CS_BIT_MASK);
lbs_deb_cs("cause 0x%04x\n", cause);
if (cause & IF_CS_BIT_RX) {
struct sk_buff *skb;
lbs_deb_cs("rx packet\n");
......@@ -434,6 +432,9 @@ static irqreturn_t if_cs_interrupt(int irq, void *data)
lbs_queue_event(priv, event >> 8 & 0xff);
}
/* Clear interrupt cause */
if_cs_write16(card, IF_CS_CARD_INT_CAUSE, cause & IF_CS_BIT_MASK);
lbs_deb_leave(LBS_DEB_CS);
return IRQ_HANDLED;
}
......
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