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Message-ID: <69e1a5b1-e5ce-4bcc-a0c4-2d02e777c296@linaro.org>
Date: Fri, 7 Jun 2024 11:18:54 +0200
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Subject: Re: [PATCH 1/8] iio: accel: adxl313: simplify with
 spi_get_device_match_data()
To: =?UTF-8?Q?Nuno_S=C3=A1?= <noname.nuno@gmail.com>,
 Lucas Stankus <lucas.p.stankus@gmail.com>,
 Lars-Peter Clausen <lars@metafoo.de>,
 Michael Hennerich <Michael.Hennerich@analog.com>,
 Jonathan Cameron <jic23@kernel.org>, Puranjay Mohan <puranjay@kernel.org>,
 Ramona Bolboaca <ramona.bolboaca@analog.com>,
 Oleksij Rempel <o.rempel@pengutronix.de>, kernel@pengutronix.de,
 Cosmin Tanislav <cosmin.tanislav@analog.com>,
 Marius Cristea <marius.cristea@microchip.com>
Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20240606-spi-match-data-v1-0-320b291ee1fe@linaro.org>
 <20240606-spi-match-data-v1-1-320b291ee1fe@linaro.org>
 <7ecabb8e342b9bd4fc2552bce29dc8c7a98971ee.camel@gmail.com>
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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In-Reply-To: <7ecabb8e342b9bd4fc2552bce29dc8c7a98971ee.camel@gmail.com>
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On 07/06/2024 10:57, Nuno Sá wrote:
> On Thu, 2024-06-06 at 16:26 +0200, Krzysztof Kozlowski wrote:
>> Use spi_get_device_match_data() helper to simplify a bit the driver.
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
>> ---
>>  drivers/iio/accel/adxl313_spi.c | 8 +-------
>>  1 file changed, 1 insertion(+), 7 deletions(-)
>>
>> diff --git a/drivers/iio/accel/adxl313_spi.c b/drivers/iio/accel/adxl313_spi.c
>> index b7cc15678a2b..6f8d73f6e5a9 100644
>> --- a/drivers/iio/accel/adxl313_spi.c
>> +++ b/drivers/iio/accel/adxl313_spi.c
>> @@ -72,13 +72,7 @@ static int adxl313_spi_probe(struct spi_device *spi)
>>  	if (ret)
>>  		return ret;
>>  
>> -	/*
>> -	 * Retrieves device specific data as a pointer to a
>> -	 * adxl313_chip_info structure
>> -	 */
>> -	chip_data = device_get_match_data(&spi->dev);
>> -	if (!chip_data)
>> -		chip_data = (const struct adxl313_chip_info
>> *)spi_get_device_id(spi)->driver_data;
>> +	chip_data = spi_get_device_match_data(spi);
>>  
> 
> I understand you're sticking with the original code but since you're doing this,
> could we maybe add proper error checking for the call? Maybe Jonathan can even
> tweak that while applying...
> 
> (same comment for patch 3)

I consider that a separate patch/work, because it would have functional
impact.

Best regards,
Krzysztof