netdev - Re: [PATCH v2] net: phy: micrel: add support for KSZ8795

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Message-ID: <7ce764a4-5dd9-bb97-55e3-2317d0967326@prevas.dk>
Date:   Fri, 27 Jan 2017 20:52:30 +0100
From:   Sean Nyekjær <sean.nyekjaer@...vas.dk>
To:     Florian Fainelli <f.fainelli@...il.com>, netdev@...r.kernel.org
Cc:     andrew@...n.ch
Subject: Re: [PATCH v2] net: phy: micrel: add support for KSZ8795



On 2017-01-27 19:55, Florian Fainelli wrote:
> On 01/26/2017 11:46 PM, Sean Nyekjaer wrote:
>> This is adds support for the PHYs in the KSZ8795 5port managed switch.
>>
>> It will allow to detect the link between the switch and the soc
>> and uses the same read_status functions as the KSZ8873MLL switch.
>>
>> Signed-off-by: Sean Nyekjaer <sean.nyekjaer@...vas.dk>
>> ---
>> Changes in v2:
>>   - Removed "switch" name
>>
>>   drivers/net/phy/micrel.c   | 14 ++++++++++++++
>>   include/linux/micrel_phy.h |  2 ++
>>   2 files changed, 16 insertions(+)
>>
>> diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
>> index ea92d524d5a8..fab56c9350cf 100644
>> --- a/drivers/net/phy/micrel.c
>> +++ b/drivers/net/phy/micrel.c
>> @@ -1014,6 +1014,20 @@ static struct phy_driver ksphy_driver[] = {
>>   	.get_stats	= kszphy_get_stats,
>>   	.suspend	= genphy_suspend,
>>   	.resume		= genphy_resume,
>> +}, {
>> +	.phy_id		= PHY_ID_KSZ8795,
>> +	.phy_id_mask	= MICREL_PHY_ID_MASK,
>> +	.name		= "Micrel KSZ8795",
>> +	.features	= (SUPPORTED_Pause | SUPPORTED_Asym_Pause),
> This is wrong, it should be PHY_GBIT_FEATURES or PHY_BASIC_FEATURES.
> Including the Pause/AsymPause feature bits is not longer necessary, the
> PHY library takes care of adding these automatically to let your MAC do
> flow control auto-negotiation later on.
>
> Please submit an incremental fix to that.
By this you mean a v3 or a new commit?
I'm checking with hardware now...
>
>> +	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
>> +	.config_init	= kszphy_config_init,
>> +	.config_aneg	= ksz8873mll_config_aneg,
>> +	.read_status	= ksz8873mll_read_status,
>> +	.get_sset_count = kszphy_get_sset_count,
>> +	.get_strings	= kszphy_get_strings,
>> +	.get_stats	= kszphy_get_stats,
>> +	.suspend	= genphy_suspend,
>> +	.resume		= genphy_resume,
>>   } };
>>   
>>   module_phy_driver(ksphy_driver);
>> diff --git a/include/linux/micrel_phy.h b/include/linux/micrel_phy.h
>> index 257173e0095e..f541da68d1e7 100644
>> --- a/include/linux/micrel_phy.h
>> +++ b/include/linux/micrel_phy.h
>> @@ -35,6 +35,8 @@
>>   #define PHY_ID_KSZ886X		0x00221430
>>   #define PHY_ID_KSZ8863		0x00221435
>>   
>> +#define PHY_ID_KSZ8795		0x00221550
>> +
>>   /* struct phy_device dev_flags definitions */
>>   #define MICREL_PHY_50MHZ_CLK	0x00000001
>>   #define MICREL_PHY_FXEN		0x00000002
>>
>
/Sean