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| /openbmc/linux/drivers/net/phy/ |
| H A D | micrel.c | diff a5e63c7d38d548b8dab6c6205e0b6af76899dbf5 Fri Jul 30 17:57:50 CDT 2021 Steve Bennett <steveb@workware.net.au> net: phy: micrel: Fix detection of ksz87xx switch
The logic for discerning between KSZ8051 and KSZ87XX PHYs is incorrect
such that the that KSZ87XX switch is not identified correctly.
ksz8051_ksz8795_match_phy_device() uses the parameter ksz_phy_id
to discriminate whether it was called from ksz8051_match_phy_device()
or from ksz8795_match_phy_device() but since PHY_ID_KSZ87XX is the
same value as PHY_ID_KSZ8051, this doesn't work.
Instead use a bool to discriminate the caller.
Without this patch, the KSZ8795 switch port identifies as:
ksz8795-switch spi3.1 ade1 (uninitialized): PHY [dsa-0.1:03] driver [Generic PHY]
With the patch, it identifies correctly:
ksz8795-switch spi3.1 ade1 (uninitialized): PHY [dsa-0.1:03] driver [Micrel KSZ87XX Switch]
Fixes: 8b95599c55ed24b36cf4 ("net: phy: micrel: Discern KSZ8051 and KSZ8795 PHYs")
Signed-off-by: Steve Bennett <steveb@workware.net.au>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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