netdev - Re: [PATCH v5] ptp: ocp: add Adva timecard support

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Message-ID: <6b88bdc3-37da-423f-a665-308ac519a256@linux.dev>
Date: Sun, 4 Feb 2024 14:39:46 +0000
From: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
To: Sagi Maimon <maimon.sagi@...il.com>
Cc: richardcochran@...il.com, jonathan.lemon@...il.com, vadfed@...com,
 linux-kernel@...r.kernel.org, netdev@...r.kernel.org, kuba@...nel.org
Subject: Re: [PATCH v5] ptp: ocp: add Adva timecard support

On 04/02/2024 11:31, Sagi Maimon wrote:
> Hi Vadim,
> Sorry but I was on vacation for the last two weeks.
> So What should I do now:
> 1) Do you want me to set my changes into the main linux git tree:
>      git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>      and use  use '[PATCH v6] ...' prefix
> 2) Or
>      set my changes into the net-next git tree:
>      git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git
>      and use  use '[PATCH net-next v6] ...' prefix

Hi Sagi!

Option 2 is the way to go.

Thanks,
Vadim

> 
> BR,
> Sagi
> 
> On Wed, Jan 17, 2024 at 11:23 PM Vadim Fedorenko
> <vadim.fedorenko@...ux.dev> wrote:
>>
>> On 17/01/2024 11:43, Sagi Maimon wrote:
>>> Adding support for the Adva timecard.
>>> The card uses different drivers to provide access to the
>>> firmware SPI flash (Altera based).
>>> Other parts of the code are the same and could be reused.
>>>
>>
>> Hi Sagi,
>>
>> Thanks for adjusting the code. One signle still have to be
>> adjusted, see comments below. And this is treated as net-next
>> material, but net-next is closed now until merge window ends,
>> you will have to submit new version next week.
>>
>> Please, also use '[PATCH net-next v6] ...' prefix for it.
>>
>>> Signed-off-by: Sagi Maimon <maimon.sagi@...il.com>
>>> ---
>>>    Changes since version 4:
>>>    - alignment fix.
>>>
>>
>> Please, preserve changes from all previous versions for next submissions.
>>
>>>    drivers/ptp/ptp_ocp.c | 302 ++++++++++++++++++++++++++++++++++++++++--
>>>    1 file changed, 293 insertions(+), 9 deletions(-)
>>>
>>
>> [ ..skip.. ]
>>
>>> @@ -2603,7 +2819,44 @@ ptp_ocp_art_board_init(struct ptp_ocp *bp, struct ocp_resource *r)
>>>        if (err)
>>>                return err;
>>>
>>> -     return ptp_ocp_init_clock(bp);
>>> +     return ptp_ocp_init_clock(bp, r->extra);
>>> +}
>>> +
>>> +/* ADVA specific board initializers; last "resource" registered. */
>>> +static int
>>> +ptp_ocp_adva_board_init(struct ptp_ocp *bp, struct ocp_resource *r)
>>> +{
>>> +     int err;
>>> +     u32 version;
>>> +
>>> +     bp->flash_start = 0xA00000;
>>> +     bp->eeprom_map = fb_eeprom_map;
>>> +     bp->sma_op = &ocp_adva_sma_op;
>>> +
>>> +     version = ioread32(&bp->image->version);
>>> +     /* if lower 16 bits are empty, this is the fw loader. */
>>> +     if ((version & 0xffff) == 0) {
>>> +             version = version >> 16;
>>> +             bp->fw_loader = true;
>>> +     }
>>> +     bp->fw_tag = 1;
>>
>> Please, use fw_tag = 3 here, other tags are for other vendors.
>>
>> Thanks,
>> Vadim
>>
>>> +     bp->fw_version = version & 0xffff;
>>> +     bp->fw_cap = OCP_CAP_BASIC | OCP_CAP_SIGNAL | OCP_CAP_FREQ;
>>> +
>>> +     ptp_ocp_tod_init(bp);
>>> +     ptp_ocp_nmea_out_init(bp);
>>> +     ptp_ocp_signal_init(bp);
>>> +
>>