On 22.05.2019 22:58, Andrew Lunn wrote:
> On Wed, May 22, 2019 at 09:58:32PM +0200, Heiner Kallweit wrote:
>> So far we didn't support mode USXGMII, and in order to not break the
>> two Freescale boards mode XGMII was accepted for the AQR107 family
>> even though it doesn't support XGMII. Add USXGMII support to the
>> Aquantia PHY driver and change the phy connection type for the two
>> boards.
>>
>> As an additional note: Even though the handle is named aqr106
>> there seem to be LS1046A boards with an AQR107.
>>
>> Signed-off-by: Heiner Kallweit <hkallwe...@gmail.com>
>> ---
>> arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts | 2 +-
>> arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts | 2 +-
>> drivers/net/phy/aquantia_main.c | 6 +++++-
>> 3 files changed, 7 insertions(+), 3 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts
>> b/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts
>> index 4223a2352..c2ce1a611 100644
>> --- a/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts
>> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts
>> @@ -139,7 +139,7 @@
>>
>> ethernet@f0000 { /* 10GEC1 */
>> phy-handle = <&aqr105_phy>;
>> - phy-connection-type = "xgmii";
>> + phy-connection-type = "usxgmii";
>> };
>>
>> mdio@fc000 {
>> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts
>> b/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts
>> index 6a6514d0e..f927a8a25 100644
>> --- a/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts
>> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts
>> @@ -147,7 +147,7 @@
>>
>> ethernet@f0000 { /* 10GEC1 */
>> phy-handle = <&aqr106_phy>;
>> - phy-connection-type = "xgmii";
>> + phy-connection-type = "usxgmii";
>> };
>>
>> ethernet@f2000 { /* 10GEC2 */
>> diff --git a/drivers/net/phy/aquantia_main.c
>> b/drivers/net/phy/aquantia_main.c
>> index 0fedd28fd..3f24c42a8 100644
>> @@ -487,7 +491,7 @@ static int aqr107_config_init(struct phy_device *phydev)
>> /* Check that the PHY interface type is compatible */
>> if (phydev->interface != PHY_INTERFACE_MODE_SGMII &&
>> phydev->interface != PHY_INTERFACE_MODE_2500BASEX &&
>> - phydev->interface != PHY_INTERFACE_MODE_XGMII &&
>> + phydev->interface != PHY_INTERFACE_MODE_USXGMII &&
>> phydev->interface != PHY_INTERFACE_MODE_10GKR)
>> return -ENODEV;
>
> Hi Heiner
>
> Just to reiterate Florian's point. We need to be careful with device
> tree blobs. We should try not to break them, at least not for a few
> cycles.
>
> I would much prefer to see a
>
> WARN_ON(phydev->interface == PHY_INTERFACE_MODE_XGMII,
> "Your devicetree is out of date, please update it");
>
> and accept XGMII for this cycle. These are development boards, so in
> theory users are developers, so should know how to update the DT.
>
I see your point. Then I'll just change phylib and will let the NXP
guys change the board DTS.
> Andrew
>
Heiner
