linux-kernel - Re: [PATCH] net: phy: broadcom: drop brcm_phy_setbits() and use phy_set

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Date:   Thu, 22 Jun 2023 20:50:47 +0200
From:   Giulio Benetti <giulio.benetti@...ettiengineering.com>
To:     Simon Horman <simon.horman@...igine.com>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: phy: broadcom: drop brcm_phy_setbits() and use
 phy_set_bits() instead

Hi Simon,

On 22/06/23 17:35, Simon Horman wrote:
> On Thu, Jun 22, 2023 at 02:48:46PM +0200, Giulio Benetti wrote:
>> Pardon,
>>
>> On 22/06/23 14:37, Giulio Benetti wrote:
>>> Linux provides phy_set_bits() helper so let's drop brcm_phy_setbits() and
>>> use phy_set_bits() in its place.
>>>
>>> Signed-off-by: Giulio Benetti <giulio.benetti@...ettiengineering.com>
>>> ---
>>>    drivers/net/phy/broadcom.c | 15 ++-------------
>>>    1 file changed, 2 insertions(+), 13 deletions(-)
>>>
>>> diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
>>> index ad71c88c87e7..d684c5be529a 100644
>>> --- a/drivers/net/phy/broadcom.c
>>> +++ b/drivers/net/phy/broadcom.c
>>> @@ -608,17 +608,6 @@ static int bcm54616s_read_status(struct phy_device *phydev)
>>>    	return err;
>>>    }
>>> -static int brcm_phy_setbits(struct phy_device *phydev, int reg, int set)
>>> -{
>>> -	int val;
>>> -
>>> -	val = phy_read(phydev, reg);
>>> -	if (val < 0)
>>> -		return val;
>>> -
>>> -	return phy_write(phydev, reg, val | set);
>>> -}
>>> -
>>>    static int brcm_fet_config_init(struct phy_device *phydev)
>>>    {
>>>    	int reg, err, err2, brcmtest;
>>> @@ -689,14 +678,14 @@ static int brcm_fet_config_init(struct phy_device *phydev)
>>>    		goto done;
>>>    	/* Enable auto MDIX */
>>> -	err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_MISCCTRL,
>>> +	err = phy_set_bits(phydev, MII_BRCM_FET_SHDW_MISCCTRL,
>>>    				       MII_BRCM_FET_SHDW_MC_FAME);
>>
>> I've missed to checkpatch.pl and there is a style error ^^^
>>
>>>    	if (err < 0)
>>>    		goto done;
>>>    	if (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE) {
>>>    		/* Enable auto power down */
>>> -		err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_AUXSTAT2,
>>> +		err = phy_set_bits(phydev, MII_BRCM_FET_SHDW_AUXSTAT2,
>>>    					       MII_BRCM_FET_SHDW_AS2_APDE);
>>
>>                                        and here ^^^
>>
>> I wait some time for any feedback and then I send a V2.
> 
> Hi Giulio,
> 
> Please include the target tree, net-next, when you send v2:
> 
> 	Subject: [PATCH net-next v2] ...

Thank you,

I've just sent the v2 in reply to this.

Best regards
-- 
Giulio Benetti
CEO&CTO@...etti Engineering sas