lkml.org 
[lkml]   [2019]   [Nov]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH AUTOSEL 4.19 162/205] net: bcmgenet: Fix speed selection for reverse MII
    Date
    From: Andrew Lunn <andrew@lunn.ch>

    [ Upstream commit 00eb2243b933a496958f4ce1bcf59840fea8be16 ]

    The phy supported speed is being used to determine if the MAC should
    be configured to 100 or 1G. The masking logic is broken. Instead, look
    at 1G supported speeds to enable 1G MAC support.

    Signed-off-by: Andrew Lunn <andrew@lunn.ch>
    Acked-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/ethernet/broadcom/genet/bcmmii.c | 7 +++----
    1 file changed, 3 insertions(+), 4 deletions(-)

    diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
    index 0d527fa5de610..b0592fd4135b3 100644
    --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
    +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
    @@ -226,11 +226,10 @@ int bcmgenet_mii_config(struct net_device *dev, bool init)
    * capabilities, use that knowledge to also configure the
    * Reverse MII interface correctly.
    */
    - if ((dev->phydev->supported & PHY_BASIC_FEATURES) ==
    - PHY_BASIC_FEATURES)
    - port_ctrl = PORT_MODE_EXT_RVMII_25;
    - else
    + if (dev->phydev->supported & PHY_1000BT_FEATURES)
    port_ctrl = PORT_MODE_EXT_RVMII_50;
    + else
    + port_ctrl = PORT_MODE_EXT_RVMII_25;
    bcmgenet_sys_writel(priv, port_ctrl, SYS_PORT_CTRL);
    break;

    --
    2.20.1
    \
     
     \ /
      Last update: 2019-11-08 13:06    [W:2.142 / U:0.788 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site