net: gem: Reduce timeout of mdio phy idle status check

Timeout for checking mdio phy idle status is 20seconds. In case of errors
this timeout will be too much. Reduce it to 100ms.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Link: https://lore.kernel.org/r/1b73aa57b77587391e1bcd6d9f0480163367ed1b.1637237121.git.michal.simek@xilinx.com

diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index 336d569b37400d9bff9009e2fe9208ed4991e2dd..b751d28e611f305b0be1ce47a2d1c9bf6cbd53ab 100644 (file)
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -112,6 +112,8 @@
 
 #define ZYNQ_GEM_DCFG_DBG6_DMA_64B     BIT(23)
 
+#define MDIO_IDLE_TIMEOUT_MS           100
+
 /* Use MII register 1 (MII status register) to detect PHY */
 #define PHY_DETECT_REG  1
 
@@ -228,7 +230,7 @@ static int phy_setup_op(struct zynq_gem_priv *priv, u32 phy_addr, u32 regnum,
        int err;
 
        err = wait_for_bit_le32(&regs->nwsr, ZYNQ_GEM_NWSR_MDIOIDLE_MASK,
-                               true, 20000, false);
+                               true, MDIO_IDLE_TIMEOUT_MS, false);
        if (err)
                return err;
 
@@ -241,7 +243,7 @@ static int phy_setup_op(struct zynq_gem_priv *priv, u32 phy_addr, u32 regnum,
        writel(mgtcr, &regs->phymntnc);
 
        err = wait_for_bit_le32(&regs->nwsr, ZYNQ_GEM_NWSR_MDIOIDLE_MASK,
-                               true, 20000, false);
+                               true, MDIO_IDLE_TIMEOUT_MS, false);
        if (err)
                return err;