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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>
This commit is contained in:
Shaohui Xie 2015-01-21 19:08:32 +08:00 committed by David S. Miller
parent ca43e58ca2
commit 22f6bba77f
1 changed files with 16 additions and 8 deletions
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24
drivers/net/ethernet/freescale/xgmac_mdio.c
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@ -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(&regs->mdio_stat)) & MDIO_STAT_BSY), TIMEOUT, 0);
if (!status) {
timeout = TIMEOUT;
while ((ioread32be(&regs->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(&regs->mdio_data)) & MDIO_DATA_BSY), TIMEOUT, 0);
if (!status) {
timeout = TIMEOUT;
while ((ioread32be(&regs->mdio_data) & MDIO_DATA_BSY) && timeout) {
cpu_relax();
timeout--;
}
if (!timeout) {
dev_err(dev, "timeout waiting for operation to complete\n");
return -ETIMEDOUT;
}