diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2009-11-29 13:38:03 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2009-11-29 13:38:03 +0000 |
| commit | cb85dcb1a8fd1c63e680b3fa0a768b017081af20 (patch) | |
| tree | 89a41f14661e76e0dab4201013b3b80b030bf3e4 /target/linux/ar71xx/files/drivers | |
| parent | 896090973fb7d9036d8e9750ad48109469c8c9f4 (diff) | |
| download | mtk-20170518-cb85dcb1a8fd1c63e680b3fa0a768b017081af20.zip mtk-20170518-cb85dcb1a8fd1c63e680b3fa0a768b017081af20.tar.gz mtk-20170518-cb85dcb1a8fd1c63e680b3fa0a768b017081af20.tar.bz2 | |
ar71xx: mask out reserved bits from the dma tx status in the ethernet driver
SVN-Revision: 18599
Diffstat (limited to 'target/linux/ar71xx/files/drivers')
| -rw-r--r-- | target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c index 57f6b34..9442047 100644 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c @@ -318,6 +318,7 @@ static void ag71xx_hw_set_macaddr(struct ag71xx *ag, unsigned char *mac) static void ag71xx_dma_reset(struct ag71xx *ag) { + u32 val; int i; ag71xx_dump_dma_regs(ag); @@ -340,13 +341,19 @@ 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); + val = ag71xx_rr(ag, AG71XX_REG_RX_STATUS); + if (val) + printk(KERN_ALERT "%s: unable to clear DMA Rx status: %08x\n", + ag->dev->name, val); - if (ag71xx_rr(ag, AG71XX_REG_TX_STATUS)) - printk(KERN_ALERT "%s: unable to clear DMA Tx status\n", - ag->dev->name); + val = ag71xx_rr(ag, AG71XX_REG_TX_STATUS); + + /* mask out reserved bits */ + val &= ~0xff000000; + + if (val) + printk(KERN_ALERT "%s: unable to clear DMA Tx status: %08x\n", + ag->dev->name, val); ag71xx_dump_dma_regs(ag); } |