diff options
Diffstat (limited to 'drivers/net/phy/fixed_phy.c')
| -rw-r--r-- | drivers/net/phy/fixed_phy.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/phy/fixed_phy.c b/drivers/net/phy/fixed_phy.c index fc07a8866020..2d2e4339f0df 100644 --- a/drivers/net/phy/fixed_phy.c +++ b/drivers/net/phy/fixed_phy.c @@ -255,7 +255,8 @@ int fixed_phy_add(unsigned int irq, int phy_addr, memset(fp->regs, 0xFF, sizeof(fp->regs[0]) * MII_REGS_NUM); - fmb->mii_bus->irq[phy_addr] = irq; + if (irq != PHY_POLL) + fmb->mii_bus->irq[phy_addr] = irq; fp->addr = phy_addr; fp->status = *status; @@ -314,6 +315,9 @@ struct phy_device *fixed_phy_register(unsigned int irq, int phy_addr; int ret; + if (!fmb->mii_bus || fmb->mii_bus->state != MDIOBUS_REGISTERED) + return ERR_PTR(-EPROBE_DEFER); + /* Get the next available PHY address, up to PHY_MAX_ADDR */ spin_lock(&phy_fixed_addr_lock); if (phy_fixed_addr == PHY_MAX_ADDR) { @@ -328,7 +332,7 @@ struct phy_device *fixed_phy_register(unsigned int irq, return ERR_PTR(ret); phy = get_phy_device(fmb->mii_bus, phy_addr, false); - if (!phy || IS_ERR(phy)) { + if (IS_ERR(phy)) { fixed_phy_del(phy_addr); return ERR_PTR(-EINVAL); } |