diff options
| author | Holger Schurig <hs4233@mail.mn-solutions.de> | 2008-06-05 15:06:15 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-06-14 20:18:03 +0400 |
| commit | 3073556171f1cf2044ff38c1fc3b9f6c805f0873 (patch) | |
| tree | afe65725936cbcdba2a6dc3a79cf0511ad925857 /drivers/net | |
| parent | d2c3cc0070d32bf6cabe6b82942c3e80eae0bfc3 (diff) | |
| download | linux-3073556171f1cf2044ff38c1fc3b9f6c805f0873.tar.xz | |
libertas: fix interrupt issue
This helps against lost interrupts and aids in debugging this.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/libertas/if_cs.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/wireless/libertas/if_cs.c b/drivers/net/wireless/libertas/if_cs.c index 873ab10a0786..b5d0cd4c411a 100644 --- a/drivers/net/wireless/libertas/if_cs.c +++ b/drivers/net/wireless/libertas/if_cs.c @@ -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; } |