[PATCH 2.6 IrDA] ali-ircc irq retval

From: Jean Tourrilhes
Date: Mon Feb 09 2004 - 20:23:05 EST


ir262_irq_retval_ali.diff :
~~~~~~~~~~~~~~~~~~~~~~~~~
<Patch from Stephen Hemminger>
o [CORRECT] Better handling of shared IRQs in ali-ircc driver.


diff -u -p linux/drivers/net/irda.d7/ali-ircc.c linux/drivers/net/irda/ali-ircc.c
--- linux/drivers/net/irda.d7/ali-ircc.c Wed Feb 4 11:55:57 2004
+++ linux/drivers/net/irda/ali-ircc.c Mon Feb 9 16:12:48 2004
@@ -103,7 +103,7 @@ static struct net_device_stats *ali_ircc

/* SIR function */
static int ali_ircc_sir_hard_xmit(struct sk_buff *skb, struct net_device *dev);
-static void ali_ircc_sir_interrupt(int irq, struct ali_ircc_cb *self, struct pt_regs *regs);
+static irqreturn_t ali_ircc_sir_interrupt(struct ali_ircc_cb *self);
static void ali_ircc_sir_receive(struct ali_ircc_cb *self);
static void ali_ircc_sir_write_wakeup(struct ali_ircc_cb *self);
static int ali_ircc_sir_write(int iobase, int fifo_size, __u8 *buf, int len);
@@ -112,7 +112,7 @@ static void ali_ircc_sir_change_speed(st
/* FIR function */
static int ali_ircc_fir_hard_xmit(struct sk_buff *skb, struct net_device *dev);
static void ali_ircc_fir_change_speed(struct ali_ircc_cb *priv, __u32 speed);
-static void ali_ircc_fir_interrupt(int irq, struct ali_ircc_cb *self, struct pt_regs *regs);
+static irqreturn_t ali_ircc_fir_interrupt(struct ali_ircc_cb *self);
static int ali_ircc_dma_receive(struct ali_ircc_cb *self);
static int ali_ircc_dma_receive_complete(struct ali_ircc_cb *self);
static int ali_ircc_dma_xmit_complete(struct ali_ircc_cb *self);
@@ -635,6 +635,7 @@ static irqreturn_t ali_ircc_interrupt(in
{
struct net_device *dev = (struct net_device *) dev_id;
struct ali_ircc_cb *self;
+ int ret;

IRDA_DEBUG(2, "%s(), ---------------- Start ----------------\n", __FUNCTION__);

@@ -649,22 +650,22 @@ static irqreturn_t ali_ircc_interrupt(in

/* Dispatch interrupt handler for the current speed */
if (self->io.speed > 115200)
- ali_ircc_fir_interrupt(irq, self, regs);
+ ret = ali_ircc_fir_interrupt(self);
else
- ali_ircc_sir_interrupt(irq, self, regs);
+ ret = ali_ircc_sir_interrupt(self);

spin_unlock(&self->lock);

IRDA_DEBUG(2, "%s(), ----------------- End ------------------\n", __FUNCTION__);
- return IRQ_HANDLED;
+ return ret;
}
/*
- * Function ali_ircc_fir_interrupt(irq, struct ali_ircc_cb *self, regs)
+ * Function ali_ircc_fir_interrupt(irq, struct ali_ircc_cb *self)
*
* Handle MIR/FIR interrupt
*
*/
-static void ali_ircc_fir_interrupt(int irq, struct ali_ircc_cb *self, struct pt_regs *regs)
+static irqreturn_t ali_ircc_fir_interrupt(struct ali_ircc_cb *self)
{
__u8 eir, OldMessageCount;
int iobase, tmp;
@@ -777,6 +778,7 @@ static void ali_ircc_fir_interrupt(int i
SetCOMInterrupts(self, TRUE);

IRDA_DEBUG(1, "%s(), ----------------- End ---------------\n", __FUNCTION__);
+ return IRQ_RETVAL(eir);
}

/*
@@ -785,7 +787,7 @@ static void ali_ircc_fir_interrupt(int i
* Handle SIR interrupt
*
*/
-static void ali_ircc_sir_interrupt(int irq, struct ali_ircc_cb *self, struct pt_regs *regs)
+static irqreturn_t ali_ircc_sir_interrupt(struct ali_ircc_cb *self)
{
int iobase;
int iir, lsr;
@@ -827,6 +829,8 @@ static void ali_ircc_sir_interrupt(int i


IRDA_DEBUG(2, "%s(), ----------------- End ------------------\n", __FUNCTION__);
+
+ return IRQ_RETVAL(iir);
}


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