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Date: Thu, 13 Jun 2024 06:46:55 -0700
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Subject: Re: [PATCH v4 1/2] hwmon: (max6639) : Update hwmon init using info
 structure
To: Naresh Solanki <naresh.solanki@9elements.com>
Cc: Jean Delvare <jdelvare@suse.com>, linux-hwmon@vger.kernel.org,
 linux-kernel@vger.kernel.org
References: <20240604124742.4093334-1-naresh.solanki@9elements.com>
 <86ed7651-818c-42fb-ae31-8f73f7e725a7@roeck-us.net>
 <CABqG17hC_h8ru6xmTZiQH4vEAY_+zcPk4=CMB2rn9u_j2jVx0A@mail.gmail.com>
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From: Guenter Roeck <linux@roeck-us.net>
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On 6/13/24 02:35, Naresh Solanki wrote:
> Hi Guenter,
> 
> 
> On Wed, 12 Jun 2024 at 20:04, Guenter Roeck <linux@roeck-us.net> wrote:
>>
>> Hi Naresh,
>>
>> On Tue, Jun 04, 2024 at 06:17:39PM +0530, Naresh Solanki wrote:
>>> Update hwmon init with info instead of group. The hwmon info structure
>>> in more flexible to describe sensor attribute & easy to maintian.
>>>
>>> Signed-off-by: Naresh Solanki <naresh.solanki@9elements.com>
>>> ---
>>
>> After applying your patch, I get the following errors in my module tests.
>>
>> Testing max6639 ...
>> temp1_crit: Suspected underflow: [min=0, read 255000, written -2147483648]
>> temp1_emergency: Suspected underflow: [min=0, read 255000, written -2147483648]
>> temp1_max: Suspected underflow: [min=0, read 255000, written -2147483648]
>> temp2_crit: Suspected underflow: [min=0, read 255000, written -2147483648]
>> temp2_emergency: Suspected underflow: [min=0, read 255000, written -2147483648]
>> temp2_max: Suspected underflow: [min=0, read 255000, written -2147483648]
>>
>> That was not seen before. Problem is that your set functions pass 'unsigned long'
>> as parameter, converting negative values into large positive ones.
> Agree. Will update v5 with below changes:
> For set functions, I'll change 'unsigned long' to long.
> For get functions, will do typecast as below:
>          *crit = (long)val * 1000;
> 
> Please let me know if you have any other suggestions.
> 

No. Running your patch through my module tests was the last step of applying it,
so you were almost there.

Thanks,
Guenter