diff options
Diffstat (limited to 'drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c')
| -rw-r--r-- | drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c | 16 |
1 files changed, 6 insertions, 10 deletions
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); } /** |