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authorJakub Kicinski <kuba@kernel.org>2022-09-22 23:02:10 +0300
committerJakub Kicinski <kuba@kernel.org>2022-09-22 23:02:10 +0300
commit0140a7168f8b2732f622fa2c500f1f8be212382a (patch)
treec68688552d97f914398c53e233acc696b86afc65 /drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c
parentf8b2cce430d92ec927915ba4bc8088fe99659dbc (diff)
parent504c25cb76a9cb805407f7701b25a1fbd48605fa (diff)
downloadlinux-0140a7168f8b2732f622fa2c500f1f8be212382a.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/net/ethernet/freescale/fec.h 7b15515fc1ca ("Revert "fec: Restart PPS after link state change"") 40c79ce13b03 ("net: fec: add stop mode support for imx8 platform") https://lore.kernel.org/all/20220921105337.62b41047@canb.auug.org.au/ drivers/pinctrl/pinctrl-ocelot.c c297561bc98a ("pinctrl: ocelot: Fix interrupt controller") 181f604b33cd ("pinctrl: ocelot: add ability to be used in a non-mmio configuration") https://lore.kernel.org/all/20220921110032.7cd28114@canb.auug.org.au/ tools/testing/selftests/drivers/net/bonding/Makefile bbb774d921e2 ("net: Add tests for bonding and team address list management") 152e8ec77640 ("selftests/bonding: add a test for bonding lladdr target") https://lore.kernel.org/all/20220921110437.5b7dbd82@canb.auug.org.au/ drivers/net/can/usb/gs_usb.c 5440428b3da6 ("can: gs_usb: gs_can_open(): fix race dev->can.state condition") 45dfa45f52e6 ("can: gs_usb: add RX and TX hardware timestamp support") https://lore.kernel.org/all/84f45a7d-92b6-4dc5-d7a1-072152fab6ff@tessares.net/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c
index 85155cd9405c..4aeb927c3715 100644
--- a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c
+++ b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c
@@ -179,6 +179,9 @@ static int mlxbf_gige_mdio_read(struct mii_bus *bus, int phy_add, int phy_reg)
/* Only return ad bits of the gw register */
ret &= MLXBF_GIGE_MDIO_GW_AD_MASK;
+ /* The MDIO lock is set on read. To release it, clear gw register */
+ writel(0, priv->mdio_io + MLXBF_GIGE_MDIO_GW_OFFSET);
+
return ret;
}
@@ -203,6 +206,9 @@ static int mlxbf_gige_mdio_write(struct mii_bus *bus, int phy_add,
temp, !(temp & MLXBF_GIGE_MDIO_GW_BUSY_MASK),
5, 1000000);
+ /* The MDIO lock is set on read. To release it, clear gw register */
+ writel(0, priv->mdio_io + MLXBF_GIGE_MDIO_GW_OFFSET);
+
return ret;
}