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net: xilinx: axi_emac: Fix endless loop when no PHYs are connected

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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>
This commit is contained in:
Patrick van Gelder 2020-06-03 14:18:04 +02:00 committed by Michal Simek
parent 6b3984c631
commit 945a55050d
1 changed files with 2 additions and 1 deletions
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3
drivers/net/xilinx_axi_emac.c
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@ -244,7 +244,8 @@ static u32 phywrite(struct axidma_priv *priv, u32 phyaddress, u32 registernum,
static int axiemac_phy_init(struct udevice *dev) static int axiemac_phy_init(struct udevice *dev)
{ {
u16 phyreg; u16 phyreg;
u32 i, ret; int i;
u32 ret;
struct axidma_priv *priv = dev_get_priv(dev); struct axidma_priv *priv = dev_get_priv(dev);
struct axi_regs *regs = priv->iobase; struct axi_regs *regs = priv->iobase;
struct phy_device *phydev; struct phy_device *phydev;