Re: [PATCH 1/8] iio: accel: adxl313: simplify with spi_get_device_match_data()

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On Fri, 7 Jun 2024 11:18:54 +0200
Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> wrote:

> 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@xxxxxxxxxx>
> >> ---
> >>  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.

Agreed. Though error checking on these is normally paranoia / readability thing
as we probed from some firmware match and all those entries are present, so
it should just work.


> 
> Best regards,
> Krzysztof
> 






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