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[ar71xx] ag71xx driver: add some debug stuff

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13462 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2008-12-02 08:46:37 +00:00
parent 9fad08626b
commit 53fed9e6bf
1 changed files with 22 additions and 0 deletions
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22
target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c
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@ -69,6 +69,18 @@ static void ag71xx_dump_regs(struct ag71xx *ag)
ag71xx_rr(ag, AG71XX_REG_FIFO_CFG5));
}
static inline void ag71xx_dump_intr(struct ag71xx *ag, char *label, u32 intr)
{
DBG("%s: %s intr=%08x %s%s%s%s%s%s\n",
ag->dev->name, label, intr,
(intr & AG71XX_INT_TX_PS) ? "TXPS " : "",
(intr & AG71XX_INT_TX_UR) ? "TXUR " : "",
(intr & AG71XX_INT_TX_BE) ? "TXBE " : "",
(intr & AG71XX_INT_RX_PR) ? "RXPR " : "",
(intr & AG71XX_INT_RX_OF) ? "RXOF " : "",
(intr & AG71XX_INT_RX_BE) ? "RXBE " : "");
}
static void ag71xx_ring_free(struct ag71xx_ring *ring)
{
kfree(ring->buf);
@ -315,6 +327,14 @@ static void ag71xx_dma_reset(struct ag71xx *ag)
ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_BE | RX_STATUS_OF);
ag71xx_wr(ag, AG71XX_REG_TX_STATUS, TX_STATUS_BE | TX_STATUS_UR);
if (ag71xx_rr(ag, AG71XX_REG_RX_STATUS))
printk(KERN_ALERT "%s: unable to clear DMA Rx status\n",
ag->dev->name);
if (ag71xx_rr(ag, AG71XX_REG_TX_STATUS))
printk(KERN_ALERT "%s: unable to clear DMA Tx status\n",
ag->dev->name);
ag71xx_dump_dma_regs(ag);
}
@ -693,7 +713,9 @@ static irqreturn_t ag71xx_interrupt(int irq, void *dev_id)
u32 status;
status = ag71xx_rr(ag, AG71XX_REG_INT_STATUS);
ag71xx_dump_intr(ag, "raw", status);
status &= ag71xx_rr(ag, AG71XX_REG_INT_ENABLE);
ag71xx_dump_intr(ag, "masked", status);
if (unlikely(!status))
return IRQ_NONE;