commit 062504668a0b30e7b6aa3eaf1e599c2e32c1152e
author Ashok Reddy Soma <ashok.reddy.soma@xilinx.com> Thu Nov 18 13:05:24 2021 +0100
committer Michal Simek <michal.simek@xilinx.com> Wed Jan 05 11:16:21 2022 +0100
tree 08472775724a4ddd21490c305167669519a45bf9
parent c8142d4d883e9b6f70f5690a874f78d6536e7022

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

drivers/net/zynq_gem.c

diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index 336d569..b751d28 100644
--- 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 @@
 	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 @@
 	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;