linux-kernel - Re: [PATCH v3 0/2] spi: Introduce and use spi_bpw_to

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Message-ID: <1e22baf9-303e-4e49-9e9a-0daa3cd4caec@baylibre.com>
Date: Thu, 17 Apr 2025 10:30:46 -0500
From: David Lechner <dlechner@...libre.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
 Mark Brown <broonie@...nel.org>, linux-spi@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/2] spi: Introduce and use spi_bpw_to_bytes()

On 4/17/25 10:24 AM, Andy Shevchenko wrote:
> Recently in the discussion with David the idea of having
> a common helper popped up. The helper converts the given
> bits per word to bytes. The result will always be power-of-two
> (e.g. for 37 bits it returns 8 bytes) or 0 for 0 input.
> More details are in the respective code comment.
> 
> This mini-series introduces it and replaces current users
> under drivers/spi and we expect more (and possibly some
> lurking in other subsystems).
> 
> Mark, if you okay with the idea, please, make this to be
> an immutable branch or tag for others to pull.
> 
> In v3:
> - fixed the typos in the examples
> 
> In v2:
> - improved examples in the code comment and commit message (David)
> 

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