netdev - Re: [PATCH net-next 2/2] net: hns3: add fixup handle for hns3 driver

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Date:   Thu, 14 Feb 2019 15:25:55 +0800
From:   "shenjian (K)" <shenjian15@...wei.com>
To:     Florian Fainelli <f.fainelli@...il.com>, <andrew@...n.ch>,
        <hkallweit1@...il.com>, <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linuxarm@...wei.com>
Subject: Re: [PATCH net-next 2/2] net: hns3: add fixup handle for hns3 driver



在 2019/2/14 12:08, Florian Fainelli 写道:
> 
> 
> On 2/13/2019 8:31 PM, Jian Shen wrote:
>> The default led configuration of marvell 88E1510 is not fit
>> for hns3 driver, this patch fixes it.
>>
>> Signed-off-by: Jian Shen <shenjian15@...wei.com>
>> ---
>>  .../net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c   | 19 +++++++++++++++++++
>>  1 file changed, 19 insertions(+)
>>
>> diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c
>> index 84f2878..4c8346e 100644
>> --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c
>> +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c
>> @@ -2,6 +2,7 @@
>>  // Copyright (c) 2016-2017 Hisilicon Limited.
>>  
>>  #include <linux/etherdevice.h>
>> +#include <linux/marvell_phy.h>
>>  #include <linux/kernel.h>
>>  
>>  #include "hclge_cmd.h"
>> @@ -125,6 +126,13 @@ static int hclge_mdio_read(struct mii_bus *bus, int phyid, int regnum)
>>  	return le16_to_cpu(mdio_cmd->data_rd);
>>  }
>>  
>> +static int hclge_phy_marvell_fixup(struct phy_device *phydev)
>> +{
>> +	phydev->dev_flags |= MARVELL_PHY_M1510_HNS3_LEDS;
>> +
>> +	return 0;
>> +}
>> +
>>  int hclge_mac_mdio_config(struct hclge_dev *hdev)
>>  {
>>  	struct hclge_mac *mac = &hdev->hw.mac;
>> @@ -168,6 +176,15 @@ int hclge_mac_mdio_config(struct hclge_dev *hdev)
>>  	mac->phydev = phydev;
>>  	mac->mdio_bus = mdio_bus;
>>  
>> +	/* register the PHY board fixup (for Marvell 88E1510) */
>> +	ret = phy_register_fixup_for_uid(MARVELL_PHY_ID_88E1510,
>> +					 MARVELL_PHY_ID_MASK,
>> +					 hclge_phy_marvell_fixup);
>> +	/* we can live without it, so just issue a warning */
>> +	if (ret)
>> +		dev_warn(&hdev->pdev->dev,
>> +			 "Cannot register PHY board fixup\n");
> 
> You don't need to register a fixup for passing your flags, you can do
> that at the time you attach to the PHY:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/linux/phy.h#n945
> 
> 
Thanks, will fix it in next version.
>> +
>>  	return 0;
>>  }
>>  
>> @@ -240,6 +257,8 @@ void hclge_mac_disconnect_phy(struct hnae3_handle *handle)
>>  	if (!phydev)
>>  		return;
>>  
>> +	phy_unregister_fixup_for_uid(MARVELL_PHY_ID_88E1510,
>> +				     MARVELL_PHY_ID_MASK);
>>  	phy_disconnect(phydev);
>>  }
>>  
>>
>