From: Mitchel Humpherys <mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
Thierry Reding
<thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Matt Wagantall <mattw-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
Robert Elliott <elliott-VXdhtT5mjnY@public.gmane.org>,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH v9] iopoll: Introduce memory-mapped IO polling macros
Date: Mon, 15 Dec 2014 15:44:28 -0800 [thread overview]
Message-ID: <vnkw1to0h40z.fsf@mitchelh-linux.qualcomm.com> (raw)
In-Reply-To: <1418686280-12972-1-git-send-email-mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> (Mitchel Humpherys's message of "Mon, 15 Dec 2014 15:31:20 -0800")
On Mon, Dec 15 2014 at 03:31:20 PM, Mitchel Humpherys <mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> wrote:
> From: Matt Wagantall <mattw-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
>
> It is sometimes necessary to poll a memory-mapped register until its value
> satisfies some condition. Introduce a family of convenience macros that do
> this. Tight-looping, sleeping, and timing out can all be accomplished using
> these macros.
>
> Cc: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Cc: Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>
> Cc: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
> Cc: Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
> Cc: Robert Elliott <elliott-VXdhtT5mjnY@public.gmane.org>
> Signed-off-by: Matt Wagantall <mattw-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
> Signed-off-by: Mitchel Humpherys <mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
> ---
> v8..v9:
> - Added note in comments about max sleep time (Rob Elliott)
Sorry, just noticed that I somehow dropped these additional comments
that Rob requested... Let me send a v10 that actually includes them.
Please ignore this version.
-Mitch
--
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
prev parent reply other threads:[~2014-12-15 23:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-15 23:31 [PATCH v9] iopoll: Introduce memory-mapped IO polling macros Mitchel Humpherys
[not found] ` <1418686280-12972-1-git-send-email-mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2014-12-15 23:44 ` Mitchel Humpherys [this message]
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