diff options
| author | Shaohui Xie <Shaohui.Xie@freescale.com> | 2015-01-21 19:08:32 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-01-25 23:36:06 -0800 |
| commit | 22f6bba77fc4aa80ffea31f4c1009993f98aa020 (patch) | |
| tree | d59836d45cdfe84f1d7596cceed579391a23a91e /drivers/net/ethernet/freescale/xgmac_mdio.c | |
| parent | ca43e58ca2fb9f8d09578e190d664332e0111ed4 (diff) | |
net/fsl: Replace spin_event_timeout() with arch independent in xgmac_mdio
spin_event_timeout() is PPC dependent, use an arch independent
equivalent instead.
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale/xgmac_mdio.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/xgmac_mdio.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/net/ethernet/freescale/xgmac_mdio.c b/drivers/net/ethernet/freescale/xgmac_mdio.c index ab9a6bfcae77..3a83bc2c613c 100644 --- a/drivers/net/ethernet/freescale/xgmac_mdio.c +++ b/drivers/net/ethernet/freescale/xgmac_mdio.c @@ -52,12 +52,16 @@ struct tgec_mdio_controller { static int xgmac_wait_until_free(struct device *dev, struct tgec_mdio_controller __iomem *regs) { - uint32_t status; + unsigned int timeout; /* Wait till the bus is free */ - status = spin_event_timeout( - !((ioread32be(®s->mdio_stat)) & MDIO_STAT_BSY), TIMEOUT, 0); - if (!status) { + timeout = TIMEOUT; + while ((ioread32be(®s->mdio_stat) & MDIO_STAT_BSY) && timeout) { + cpu_relax(); + timeout--; + } + + if (!timeout) { dev_err(dev, "timeout waiting for bus to be free\n"); return -ETIMEDOUT; } @@ -71,12 +75,16 @@ static int xgmac_wait_until_free(struct device *dev, static int xgmac_wait_until_done(struct device *dev, struct tgec_mdio_controller __iomem *regs) { - uint32_t status; + unsigned int timeout; /* Wait till the MDIO write is complete */ - status = spin_event_timeout( - !((ioread32be(®s->mdio_data)) & MDIO_DATA_BSY), TIMEOUT, 0); - if (!status) { + timeout = TIMEOUT; + while ((ioread32be(®s->mdio_data) & MDIO_DATA_BSY) && timeout) { + cpu_relax(); + timeout--; + } + + if (!timeout) { dev_err(dev, "timeout waiting for operation to complete\n"); return -ETIMEDOUT; } |