linux-kernel - Re: [RFC] spi: expand bits_per_word

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Message-ID: <aEk-wIJ8FY73NxQG@smile.fi.intel.com>
Date: Wed, 11 Jun 2025 11:30:56 +0300
From: Andy Shevchenko <andy@...nel.org>
To: Da Xue <da@...re.computer>
Cc: Lars-Peter Clausen <lars@...afoo.de>,
	Michael Hennerich <Michael.Hennerich@...log.com>,
	Jonathan Cameron <jic23@...nel.org>,
	David Lechner <dlechner@...libre.com>,
	Nuno Sá <nuno.sa@...log.com>,
	Mark Brown <broonie@...nel.org>,
	Rui Miguel Silva <rmfrfs@...il.com>,
	Viresh Kumar <vireshk@...nel.org>, Johan Hovold <johan@...nel.org>,
	Alex Elder <elder@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-spi@...r.kernel.org, greybus-dev@...ts.linaro.org,
	linux-staging@...ts.linux.dev
Subject: Re: [RFC] spi: expand bits_per_word_mask to 64 bits

On Tue, Jun 10, 2025 at 08:05:15PM -0400, Da Xue wrote:
> Most current controller IP support 64-bit words.

"Most of the current controllers support..."

> Update the mask to u64 from u32.

>  drivers/iio/adc/ad7949.c         | 2 +-
>  drivers/spi/spi-dln2.c           | 2 +-
>  drivers/spi/spi-ingenic.c        | 2 +-
>  drivers/spi/spi-sh-msiof.c       | 2 +-
>  drivers/spi/spi.c                | 4 ++--
>  drivers/staging/greybus/spilib.c | 2 +-
>  include/linux/spi/altera.h       | 2 +-
>  include/linux/spi/spi.h          | 6 +++---

I guess it would be nice to split on per-driver basis, starting from updating
the SPI core. I counted 6 patches in such a case.

-- 
With Best Regards,
Andy Shevchenko