linux-kernel - Re: [PATCH v2 1/3] iopoll: Generalize read_poll_timeout() into poll_timeout

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Message-ID: <c34ce332183d24ed29ed23852238fd5ca948d4f1@intel.com>
Date: Thu, 28 Aug 2025 12:51:35 +0300
From: Jani Nikula <jani.nikula@...el.com>
To: Ville Syrjala <ville.syrjala@...ux.intel.com>, linux-kernel@...r.kernel.org
Cc: Lucas De Marchi <lucas.demarchi@...el.com>, Dibin Moolakadan
 Subrahmanian <dibin.moolakadan.subrahmanian@...el.com>, Imre Deak
 <imre.deak@...el.com>, David Laight <david.laight.linux@...il.com>, Geert
 Uytterhoeven <geert+renesas@...der.be>, Matt Wagantall
 <mattw@...eaurora.org>, Dejin Zheng <zhengdejin5@...il.com>,
 intel-gfx@...ts.freedesktop.org, intel-xe@...ts.freedesktop.org, Ville
 Syrjälä <ville.syrjala@...ux.intel.com>, Simona Vetter
 <simona.vetter@...ll.ch>
Subject: Re: [PATCH v2 1/3] iopoll: Generalize read_poll_timeout() into
 poll_timeout_us()

On Tue, 26 Aug 2025, Ville Syrjala <ville.syrjala@...ux.intel.com> wrote:
> From: Ville Syrjälä <ville.syrjala@...ux.intel.com>
>
> While read_poll_timeout() & co. were originally introduced just
> for simple I/O usage scenarios they have since been generalized to
> be useful in more cases.
>
> However the interface is very cumbersome to use in the general case.
> Attempt to make it more flexible by combining the 'op', 'var' and
> 'args' parameter into just a single 'op' that the caller can fully
> specify.

Thanks for the patches!

Since there was no opposition now or the last time these were posted
[1], iopoll.h is not in MAINTAINERS, and the previous changes to the
file have gone in through various trees, I've gone ahead and merged the
lot to drm-intel-next with Simona's IRC ack.

I'll be rebasing and posting my follow-up i915 changes on top of this
shortly.


BR,
Jani.


[1] https://lore.kernel.org/r/20250702223439.19752-1-ville.syrjala@linux.intel.com


-- 
Jani Nikula, Intel