linux-kernel - Re: [PATCH] iio: accel: da280: Drop unnecessarily used braces

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Date:   Mon, 29 Mar 2021 13:52:35 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Mugilraj Dhavachelvan <dmugil2000@...il.com>,
        Hans de Goede <hdegoede@...hat.com>
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] iio: accel: da280: Drop unnecessarily used braces

+Cc: Hans (just for your opinion)

On Sun, Mar 28, 2021 at 10:40 PM Andy Shevchenko
<andy.shevchenko@...il.com> wrote:
> On Sunday, March 28, 2021, Mugilraj Dhavachelvan <dmugil2000@...il.com> wrote:
>>
>> As per linux kernel coding style braces are not needed for single
>> statement.
>> Checkpatch
>> warning: braces {} are not necessary for any arm of this statement
>> 128: FILE: drivers/iio/accel/da280.c:128:
>>
>
> While it’s the correct patch, I would rather recommend making the driver non-ACPI centric. I.e.:
> - replace that custom function by device_get_match_data() call
>
> - replace that condition by something like
> type = device_get_match_data();
>
> - drop ACPI_PTR()
>
> - replace acpi.h by mod_devicetable.h and property.h
>
> - convert to use ->probe_new()
>
>
>  Everything, except the last one is in one patch, the last one is another patch.
>
>
>
>> Signed-off-by: Mugilraj Dhavachelvan <dmugil2000@...il.com>
>> ---
>>  drivers/iio/accel/da280.c | 5 ++---
>>  1 file changed, 2 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/iio/accel/da280.c b/drivers/iio/accel/da280.c
>> index 227bea2d738b..31f290ae4386 100644
>> --- a/drivers/iio/accel/da280.c
>> +++ b/drivers/iio/accel/da280.c
>> @@ -125,11 +125,10 @@ static int da280_probe(struct i2c_client *client,
>>         indio_dev->modes = INDIO_DIRECT_MODE;
>>         indio_dev->channels = da280_channels;
>>
>> -       if (ACPI_HANDLE(&client->dev)) {
>> +       if (ACPI_HANDLE(&client->dev))
>>                 chip = da280_match_acpi_device(&client->dev);
>> -       } else {
>> +       else
>>                 chip = id->driver_data;
>> -       }
>>
>>         if (chip == da226) {
>>                 indio_dev->name = "da226";

-- 
With Best Regards,
Andy Shevchenko