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Date:   Tue, 19 May 2020 12:56:40 -0500
From:   Dan Murphy <dmurphy@...com>
To:     Jakub Kicinski <kuba@...nel.org>
CC:     <andrew@...n.ch>, <f.fainelli@...il.com>, <hkallweit1@...il.com>,
        <davem@...emloft.net>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH net-next 2/4] net: phy: dp83869: Set opmode from straps

Jakub

On 5/19/20 12:40 PM, Dan Murphy wrote:
> Jakub
>
> On 5/19/20 11:58 AM, Jakub Kicinski wrote:
>> On Tue, 19 May 2020 09:18:11 -0500 Dan Murphy wrote:
>>> If the op-mode for the device is not set in the device tree then set
>>> the strapped op-mode and store it for later configuration.
>>>
>>> Signed-off-by: Dan Murphy <dmurphy@...com>
>> ../drivers/net/phy/dp83869.c: In function0 dp83869_set_strapped_mode:
>> ../drivers/net/phy/dp83869.c:171:10: warning: comparison is always 
>> false due to limited range of data type [-Wtype-limits]
>>    171 |  if (val < 0)
>>        |          ^
>
> This looks to be a false positive.
>
> phy_read_mmd will return an errno or a value from 0->15
>
> So if errno is returned then this will be true.
>
> Unless I have to do IS_ERR.
>
> I did not get that warning.  But I am using 9.2-gcc.
>
> What compiler are you using?
>
I see what the issue is val needs to be an int not a u16

I will fix it

Dan


> Dan
>

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