Commit 698b2ca3 authored by Kai Germaschewski's avatar Kai Germaschewski

ISDN: b1dma tx path cleanup

parent 56ede423
......@@ -352,8 +352,18 @@ int b1pciv4_detect(avmcard *card)
static void b1dma_queue_tx(avmcard *card, struct sk_buff *skb)
{
unsigned long flags;
skb_queue_tail(&card->dma->send_queue, skb);
spin_lock_irq_save(&card->lock, flags);
if (!(card->csr & EN_TX_TC_INT)) {
b1dma_dispatch_tx(card);
b1dmaoutmeml(card->mbase+AMCC_INTCSR, card->csr);
}
spin_unlock_irq_restore(&card->lock, flags);
}
/* ------------------------------------------------------------- */
......@@ -369,16 +379,8 @@ static void b1dma_dispatch_tx(avmcard *card)
int inint;
void *p;
save_flags(flags);
cli();
inint = card->interrupt;
if (card->csr & EN_TX_TC_INT) { /* tx busy */
restore_flags(flags);
return;
}
skb = skb_dequeue(&dma->send_queue);
if (!skb) {
#ifdef CONFIG_B1DMA_DEBUG
......@@ -429,10 +431,6 @@ static void b1dma_dispatch_tx(avmcard *card)
card->csr |= EN_TX_TC_INT;
if (!inint)
b1dmaoutmeml(card->mbase+AMCC_INTCSR, card->csr);
restore_flags(flags);
dev_kfree_skb_any(skb);
}
......@@ -620,10 +618,15 @@ static void b1dma_handle_interrupt(avmcard *card)
}
if ((status & TX_TC_INT) != 0) {
spin_lock_irq_save(&card->lock, flags);
card->csr &= ~EN_TX_TC_INT;
b1dma_dispatch_tx(card);
spin_unlock_irq_restore(&card->lock, flags);
}
b1dmaoutmeml(card->mbase+AMCC_INTCSR, card->csr);
}
void b1dma_interrupt(int interrupt, void *devptr, struct pt_regs *regs)
......
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