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Date:   Thu, 3 Sep 2020 09:51:52 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Dan Murphy <dmurphy@...com>, davem@...emloft.net, andrew@...n.ch,
        hkallweit1@...il.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: phy: dp83867: Fix various styling and space
 issues



On 9/3/2020 9:41 AM, Dan Murphy wrote:
> Florian
> 
> On 9/3/20 11:34 AM, Florian Fainelli wrote:
>>
>>
>> On 9/3/2020 7:15 AM, Dan Murphy wrote:
>>> Fix spacing issues reported for misaligned switch..case and extra new
>>> lines.
>>>
>>> Also updated the file header to comply with networking commet style.
>>>
>>> Signed-off-by: Dan Murphy <dmurphy@...com>
>>> ---
>>>   drivers/net/phy/dp83867.c | 47 ++++++++++++++++++---------------------
>>>   1 file changed, 22 insertions(+), 25 deletions(-)
>>>
>>> diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c
>>> index cd7032628a28..f182a8d767c6 100644
>>> --- a/drivers/net/phy/dp83867.c
>>> +++ b/drivers/net/phy/dp83867.c
>>> @@ -1,6 +1,5 @@
>>>   // SPDX-License-Identifier: GPL-2.0
>>> -/*
>>> - * Driver for the Texas Instruments DP83867 PHY
>>> +/* Driver for the Texas Instruments DP83867 PHY
>>>    *
>>>    * Copyright (C) 2015 Texas Instruments Inc.
>>>    */
>>> @@ -35,7 +34,7 @@
>>>   #define DP83867_CFG4_SGMII_ANEG_MASK (BIT(5) | BIT(6))
>>>   #define DP83867_CFG4_SGMII_ANEG_TIMER_11MS   (3 << 5)
>>>   #define DP83867_CFG4_SGMII_ANEG_TIMER_800US  (2 << 5)
>>> -#define DP83867_CFG4_SGMII_ANEG_TIMER_2US    (1 << 5)
>>> +#define DP83867_CFG4_SGMII_ANEG_TIMER_2US    BIT(5)
>>
>> Now the definitions are inconsistent, you would want to drop this one 
>> and stick to the existing style.
> 
> OK I was a little conflicted making that change due to the reasons you 
> mentioned.  But if that is an acceptable warning I am ok with it.

IMHO, if the are no obvious incorrect styles, and using 1 << x is not, 
it just may not be the preferred style (and there is quite frankly a ton 
of those patterns in the kernel), then ignoring the checkpatch.pl 
warning is fine. After all this is a tool, not an absolute truth by any 
means, but again, others may disagree.
-- 
Florian

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