linux-kernel - Re: [PATCH] hwmon : (mr75203) fix macro typo

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Message-ID: <06d7c6ee-2db5-f250-50f7-9a47e33a35b5@roeck-us.net>
Date:   Wed, 15 Dec 2021 04:31:29 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Arseny Demidov <arsdemal@...il.com>
Cc:     Arseny Demidov <a.demidov@...ro.com>,
        Jean Delvare <jdelvare@...e.com>, linux-hwmon@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hwmon : (mr75203) fix macro typo

On 12/15/21 3:59 AM, Guenter Roeck wrote:
> On 12/15/21 3:30 AM, Arseny Demidov wrote:
>> In the file mr75203.c we have a macro named
>> POWER_DELAY_CYCLE_256, the correct value should be 0x100
>>
> 
> How do you know that ? Do you have access to the datasheet, or
> is it just an assumption based on the name of the define ?
> 

Also, how do you know that the value is wrong, not the name
of the define ?

Guenter

> Guenter
> 
>> Signed-off-by: Arseny Demidov <a.demidov@...ro.com>
>> ---
>>   drivers/hwmon/mr75203.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/hwmon/mr75203.c b/drivers/hwmon/mr75203.c
>> index 868243dba1ee..1ba1e3145969 100644
>> --- a/drivers/hwmon/mr75203.c
>> +++ b/drivers/hwmon/mr75203.c
>> @@ -93,7 +93,7 @@
>>   #define VM_CH_REQ    BIT(21)
>>   #define IP_TMR            0x05
>> -#define POWER_DELAY_CYCLE_256    0x80
>> +#define POWER_DELAY_CYCLE_256    0x100
>>   #define POWER_DELAY_CYCLE_64    0x40
>>   #define PVT_POLL_DELAY_US    20
>>
>