linux-kernel - Re: [PATCH] iio: adc: ad7949: use spi_is_bpw

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Message-ID: <aEmdhV0ATRuUeGaL@smile.fi.intel.com>
Date: Wed, 11 Jun 2025 18:15:17 +0300
From: Andy Shevchenko <andy@...nel.org>
To: David Lechner <dlechner@...libre.com>
Cc: Michael Hennerich <Michael.Hennerich@...log.com>,
	Jonathan Cameron <jic23@...nel.org>,
	Nuno Sá <nuno.sa@...log.com>,
	Da Xue <da@...re.computer>, linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iio: adc: ad7949: use spi_is_bpw_supported()

On Wed, Jun 11, 2025 at 10:04:58AM -0500, David Lechner wrote:
> Use spi_is_bpw_supported() instead of directly accessing spi->controller
> ->bits_per_word_mask. bits_per_word_mask may be 0, which implies that
> 8-bits-per-word is supported. spi_is_bpw_supported() takes this into
> account while spi_ctrl_mask == SPI_BPW_MASK(8) does not.

> Closes: https://lore.kernel.org/linux-spi/c8b8a963-6cef-4c9b-bfef-dab2b7bd0b0f@sirena.org.uk/

Reported-by yourself. I'm wondering if the Closes adds a value in this case.
Otherwise I can do the same to maybe 10% of my patches, for instance. But
I don't think I put Closes tag on whatever improvement potential bug fix
I do report (read: notice) myself.

> Signed-off-by: David Lechner <dlechner@...libre.com>

Code wise LGTM,
Reviewed-by: Andy Shevchenko <andy@...nel.org>

-- 
With Best Regards,
Andy Shevchenko