From 945a55050dbd2e916724c2db0ac7eb6c3e29518e Mon Sep 17 00:00:00 2001
From: Patrick van Gelder <patrick.vangelder@nl.bosch.com>
Date: Wed, 3 Jun 2020 14:18:04 +0200
Subject: [PATCH] net: xilinx: axi_emac: Fix endless loop when no PHYs are
connected
The index used to iterate over the possible PHYs in axiemac_phy_init was an
unsigned int and decremented. Therefor it was always >= 0 and never exited
the loop.
Signed-off-by: Patrick van Gelder <patrick.vangelder@nl.bosch.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---
drivers/net/xilinx_axi_emac.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/xilinx_axi_emac.c b/drivers/net/xilinx_axi_emac.c
index d0683db80d..2cd5596768 100644
--- a/drivers/net/xilinx_axi_emac.c
+++ b/drivers/net/xilinx_axi_emac.c
@@ -244,7 +244,8 @@ static u32 phywrite(struct axidma_priv *priv, u32 phyaddress, u32 registernum,
static int axiemac_phy_init(struct udevice *dev)
{
u16 phyreg;
- u32 i, ret;
+ int i;
+ u32 ret;
struct axidma_priv *priv = dev_get_priv(dev);
struct axi_regs *regs = priv->iobase;
struct phy_device *phydev;
--
2.39.5