linux-kernel - Re: [RFC 4/6] greybus: add API for async unidirectional transfer

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Message-ID: <2025071626-doorknob-coastline-b85c@gregkh>
Date: Wed, 16 Jul 2025 15:21:52 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Damien Riégel <damien.riegel@...abs.com>
Cc: greybus-dev@...ts.linaro.org, linux-kernel@...r.kernel.org,
	linux-devel@...abs.com, Alex Elder <elder@...nel.org>,
	Johan Hovold <johan@...nel.org>
Subject: Re: [RFC 4/6] greybus: add API for async unidirectional transfer

On Fri, Jul 04, 2025 at 08:40:34PM -0400, Damien Riégel wrote:
> This adds a helper function for unidirectional asynchronous transfer.
> This is just for convenience as some drivers do these steps manually,
> like the loopback driver in gb_loopback_async_operation().
> 
> Signed-off-by: Damien Riégel <damien.riegel@...abs.com>
> ---
>  drivers/greybus/operation.c       | 52 +++++++++++++++++++++++++++++++
>  include/linux/greybus/operation.h |  4 +++
>  2 files changed, 56 insertions(+)

Shouldn't you conver the loopback driver over to use this, so it's not
just increasing the overall code size, and we can see how it will be
used?

thanks,

greg k-h