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SubjectRe: [net v2] net: phy: mscc: adjust the phy support for PTP and MACsec
On 11.11.2020 17:28, Antoine Tenart wrote:
>EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
>Hi Steen,
>
>Quoting Steen Hegelund (2020-11-11 16:17:53)
>> The MSCC PHYs selected for PTP and MACSec was not correct
>>
>> - PTP
>> - Add VSC8572 and VSC8574
>>
>> - MACsec
>> - Removed VSC8575
>>
>> The relevant datasheets can be found here:
>> - VSC8572: https://www.microchip.com/wwwproducts/en/VSC8572
>> - VSC8574: https://www.microchip.com/wwwproducts/en/VSC8574
>> - VSC8575: https://www.microchip.com/wwwproducts/en/VSC8575
>>
>> History:
>> v1 -> v2:
>> - Added "fixes:" tags to the commit message
>>
>> Fixes: bb56c016a1257 ("net: phy: mscc: split the driver into separate files")
>
>This commit splitting the driver didn't introduced the issue, it only
>moved code around. You can remove this Fixes tag. (You usually/should
>have a single Fixes tag per patch).
>
OK. I get that.

>> Fixes: ab2bf93393571 ("net: phy: mscc: 1588 block initialization")
>
>The PTP and the MACsec support were introduced in separate patches (and
>were introduced in different releases of the kernel). This patch is
>fixing two different issues then, and its changes can't apply to the
>same kernel versions. You should send them in two separate patches.
>
OK.

>With the changes sent in two different patches, I would suggest to only
>send the MACsec one as a fix for net (it's really fixing something, by
>removing a non-compatible PHY from using MACsec) and the PTP one for
>net-next as it's adding PTP support for two new PHYs (not fixing
>anything).
>

I will split the patch as you suggested.

>When you do so, please use the following commands to format the patches,
>to end up with the correct prefix in the subject:
>git format-patch --subject-prefix='PATCH net' ...
>git format-patch --subject-prefix='PATCH net-next' ...
>
>Thanks!
>Antoine
>
Thanks for the comments, Antoine,

BR
Steen
>
>> Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
>> ---
>> drivers/net/phy/mscc/mscc_macsec.c | 1 -
>> drivers/net/phy/mscc/mscc_ptp.c | 2 ++
>> 2 files changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/net/phy/mscc/mscc_macsec.c b/drivers/net/phy/mscc/mscc_macsec.c
>> index 1d4c012194e9..72292bf6c51c 100644
>> --- a/drivers/net/phy/mscc/mscc_macsec.c
>> +++ b/drivers/net/phy/mscc/mscc_macsec.c
>> @@ -981,7 +981,6 @@ int vsc8584_macsec_init(struct phy_device *phydev)
>>
>> switch (phydev->phy_id & phydev->drv->phy_id_mask) {
>> case PHY_ID_VSC856X:
>> - case PHY_ID_VSC8575:
>> case PHY_ID_VSC8582:
>> case PHY_ID_VSC8584:
>> INIT_LIST_HEAD(&vsc8531->macsec_flows);
>> diff --git a/drivers/net/phy/mscc/mscc_ptp.c b/drivers/net/phy/mscc/mscc_ptp.c
>> index b97ee79f3cdf..f0537299c441 100644
>> --- a/drivers/net/phy/mscc/mscc_ptp.c
>> +++ b/drivers/net/phy/mscc/mscc_ptp.c
>> @@ -1510,6 +1510,8 @@ void vsc8584_config_ts_intr(struct phy_device *phydev)
>> int vsc8584_ptp_init(struct phy_device *phydev)
>> {
>> switch (phydev->phy_id & phydev->drv->phy_id_mask) {
>> + case PHY_ID_VSC8572:
>> + case PHY_ID_VSC8574:
>> case PHY_ID_VSC8575:
>> case PHY_ID_VSC8582:
>> case PHY_ID_VSC8584:
>> --
>> 2.29.2
>>

BR
Steen

---------------------------------------
Steen Hegelund
steen.hegelund@microchip.com

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