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-rw-r--r--drivers/net/ethernet/xilinx/xilinx_axienet.h5
-rw-r--r--drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c16
2 files changed, 11 insertions, 10 deletions
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet.h b/drivers/net/ethernet/xilinx/xilinx_axienet.h
index c337400485da..011adae32b89 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet.h
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet.h
@@ -484,6 +484,11 @@ static inline u32 axienet_ior(struct axienet_local *lp, off_t offset)
return in_be32(lp->regs + offset);
}
+static inline u32 axinet_ior_read_mcr(struct axienet_local *lp)
+{
+ return axienet_ior(lp, XAE_MDIO_MCR_OFFSET);
+}
+
/**
* axienet_iow - Memory mapped Axi Ethernet register write
* @lp: Pointer to axienet local structure
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c b/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
index 757a3b37ae8a..704babdbc8a2 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
@@ -11,6 +11,7 @@
#include <linux/of_address.h>
#include <linux/of_mdio.h>
#include <linux/jiffies.h>
+#include <linux/iopoll.h>
#include "xilinx_axienet.h"
@@ -20,16 +21,11 @@
/* Wait till MDIO interface is ready to accept a new transaction.*/
int axienet_mdio_wait_until_ready(struct axienet_local *lp)
{
- unsigned long end = jiffies + 2;
- while (!(axienet_ior(lp, XAE_MDIO_MCR_OFFSET) &
- XAE_MDIO_MCR_READY_MASK)) {
- if (time_before_eq(end, jiffies)) {
- WARN_ON(1);
- return -ETIMEDOUT;
- }
- udelay(1);
- }
- return 0;
+ u32 val;
+
+ return readx_poll_timeout(axinet_ior_read_mcr, lp,
+ val, val & XAE_MDIO_MCR_READY_MASK,
+ 1, 20000);
}
/**