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net/fsl: fix a bug in xgmac_mdio 

There is a bug in xgmac_wait_until_done() which mdio_stat should be used
instead of mdio_data when checking if busy bit is cleared.

Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shaohui Xie 2015-03-16 18:55:50 +08:00 committed by David S. Miller
parent c243d7e209
commit 26eee0210a
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/freescale/xgmac_mdio.c
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@ -79,7 +79,7 @@ static int xgmac_wait_until_done(struct device *dev,
/* Wait till the MDIO write is complete */ /* Wait till the MDIO write is complete */
timeout = TIMEOUT; timeout = TIMEOUT;
while ((ioread32be(&regs->mdio_data) & MDIO_DATA_BSY) && timeout) { while ((ioread32be(&regs->mdio_stat) & MDIO_STAT_BSY) && timeout) {
cpu_relax(); cpu_relax();
timeout--; timeout--;
} }