mirror of https://gitee.com/openkylin/linux.git
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>
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@ -52,12 +52,16 @@ struct tgec_mdio_controller {
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static int xgmac_wait_until_free(struct device *dev,
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static int xgmac_wait_until_free(struct device *dev,
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struct tgec_mdio_controller __iomem *regs)
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struct tgec_mdio_controller __iomem *regs)
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{
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{
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uint32_t status;
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unsigned int timeout;
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/* Wait till the bus is free */
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/* Wait till the bus is free */
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status = spin_event_timeout(
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timeout = TIMEOUT;
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!((ioread32be(®s->mdio_stat)) & MDIO_STAT_BSY), TIMEOUT, 0);
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while ((ioread32be(®s->mdio_stat) & MDIO_STAT_BSY) && timeout) {
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if (!status) {
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cpu_relax();
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timeout--;
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}
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if (!timeout) {
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dev_err(dev, "timeout waiting for bus to be free\n");
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dev_err(dev, "timeout waiting for bus to be free\n");
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return -ETIMEDOUT;
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return -ETIMEDOUT;
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}
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}
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@ -71,12 +75,16 @@ static int xgmac_wait_until_free(struct device *dev,
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static int xgmac_wait_until_done(struct device *dev,
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static int xgmac_wait_until_done(struct device *dev,
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struct tgec_mdio_controller __iomem *regs)
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struct tgec_mdio_controller __iomem *regs)
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{
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{
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uint32_t status;
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unsigned int timeout;
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/* Wait till the MDIO write is complete */
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/* Wait till the MDIO write is complete */
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status = spin_event_timeout(
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timeout = TIMEOUT;
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!((ioread32be(®s->mdio_data)) & MDIO_DATA_BSY), TIMEOUT, 0);
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while ((ioread32be(®s->mdio_data) & MDIO_DATA_BSY) && timeout) {
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if (!status) {
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cpu_relax();
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timeout--;
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}
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if (!timeout) {
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dev_err(dev, "timeout waiting for operation to complete\n");
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dev_err(dev, "timeout waiting for operation to complete\n");
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return -ETIMEDOUT;
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return -ETIMEDOUT;
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}
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}
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