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Message-ID: <1421838512-826-1-git-send-email-shh.xie@gmail.com>
Date: Wed, 21 Jan 2015 19:08:32 +0800
From: <shh.xie@...il.com>
To: <netdev@...r.kernel.org>, <davem@...emloft.net>
CC: Shaohui Xie <Shaohui.Xie@...escale.com>
Subject: [PATCH 2/2] net/fsl: Replace spin_event_timeout() with arch independent in xgmac_mdio
From: Shaohui Xie <Shaohui.Xie@...escale.com>
spin_event_timeout() is PPC dependent, use an arch independent
equivalent instead.
Signed-off-by: Shaohui Xie <Shaohui.Xie@...escale.com>
---
drivers/net/ethernet/freescale/xgmac_mdio.c | 24 ++++++++++++++++--------
1 file changed, 16 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/freescale/xgmac_mdio.c b/drivers/net/ethernet/freescale/xgmac_mdio.c
index ab9a6bf..3a83bc2 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;
}
--
1.8.4.1
--
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