phy: fix phy address bug
PHYID returns 0xffff and not 0xffffffff when not found and in some case(at91sam9263) 0x0. Maybe this patch could be useful. Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 2 additions and 2 deletions
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@ -227,8 +227,8 @@ struct phy_device * get_phy_device(struct mii_bus *bus, int addr)
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if (r)
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return ERR_PTR(r);
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/* If the phy_id is all Fs, there is no device there */
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if (0xffffffff == phy_id)
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/* If the phy_id is all Fs or all 0s, there is no device there */
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if ((0xffff == phy_id) || (0x00 == phy_id))
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return NULL;
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dev = phy_device_create(bus, addr, phy_id);
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