4.20-stable review patch. If anyone has any objections, please let me know.
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[ Upstream commit 1d16073a326891c2a964e4cb95bc18fbcafb5f74 ]
So far genphy_soft_reset was used automatically if the PHY driver didn't implement the soft_reset callback. This changed with the mentioned commit and broke KSZ9031. To fix this configure the KSZ9031 PHY driver to use genphy_soft_reset.
Fixes: 6e2d85ec0559 ("net: phy: Stop with excessive soft reset") Reported-by: Tony Lindgren tony@atomide.com Signed-off-by: Heiner Kallweit hkallweit1@gmail.com Tested-by: Tony Lindgren tony@atomide.com Tested-by: Sekhar Nori nsekhar@ti.com Reviewed-by: Florian Fainelli f.fainelli@gmail.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/phy/micrel.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 51611c7a23d1c..22dfbd4c6aaf4 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -1076,6 +1076,7 @@ static struct phy_driver ksphy_driver[] = { .driver_data = &ksz9021_type, .probe = kszphy_probe, .config_init = ksz9031_config_init, + .soft_reset = genphy_soft_reset, .read_status = ksz9031_read_status, .ack_interrupt = kszphy_ack_interrupt, .config_intr = kszphy_config_intr,