Re: [PATCH v2 2/3] iio: pressure: ms5611: changed hardcoded SPI speed to value limited

From: Marcus Folkesson
Date: Fri Oct 21 2022 - 11:32:36 EST


Hi Mitja,

On Fri, Oct 21, 2022 at 03:58:21PM +0200, Mitja Spes wrote:
> Don't hardcode the ms5611 SPI speed, limit it instead.
>
> Signed-off-by: Mitja Spes <mitja@xxxxxxxxx>
> ---
> drivers/iio/pressure/ms5611_spi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iio/pressure/ms5611_spi.c b/drivers/iio/pressure/ms5611_spi.c
> index 432e912096f4..a0a7205c9c3a 100644
> --- a/drivers/iio/pressure/ms5611_spi.c
> +++ b/drivers/iio/pressure/ms5611_spi.c
> @@ -91,7 +91,7 @@ static int ms5611_spi_probe(struct spi_device *spi)
> spi_set_drvdata(spi, indio_dev);
>
> spi->mode = SPI_MODE_0;
> - spi->max_speed_hz = 20000000;
> + spi->max_speed_hz = min(spi->max_speed_hz, 20000000U);

max_speed_hz is a limit, and the max frequency the ms5611 support is
20MHz.

Best regards,
Marcus Folkesson

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