From: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Mitchel Humpherys <mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Cc: Matt Wagantall <mattw-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH v3 1/2] iopoll: Introduce memory-mapped IO polling macros
Date: Mon, 29 Sep 2014 10:31:37 +0200 [thread overview]
Message-ID: <20140929083136.GG12506@ulmo> (raw)
In-Reply-To: <1411874849-343-2-git-send-email-mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
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On Sat, Sep 27, 2014 at 08:27:28PM -0700, Mitchel Humpherys 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-loop and sleeping versions are provided with and
> without timeouts.
>
> Cc: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Cc: Will Deacon <will.deacon-5wv7dgnIgG8@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>
> ---
> include/linux/iopoll.h | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 77 insertions(+)
> create mode 100644 include/linux/iopoll.h
It would be good to provide a changelog with each new version of the
patch. As it is I now have v2 and v3 of this patch in my inbox and I
have no idea what the differences are, so I'd need to download both
and run them through interdiff to find out.
Thierry
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next prev parent reply other threads:[~2014-09-29 8:31 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-28 3:27 [PATCH v3 0/2] iommu/arm-smmu: hard iova_to_phys Mitchel Humpherys
[not found] ` <1411874849-343-1-git-send-email-mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2014-09-28 3:27 ` [PATCH v3 1/2] iopoll: Introduce memory-mapped IO polling macros Mitchel Humpherys
[not found] ` <1411874849-343-2-git-send-email-mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2014-09-29 8:31 ` Thierry Reding [this message]
2014-09-29 16:47 ` Mitchel Humpherys
[not found] ` <vnkwmw9il6ft.fsf-Yf+dfxj6toJBVvN7MMdr1KRtKmQZhJ7pQQ4Iyu8u01E@public.gmane.org>
2014-09-30 6:04 ` Thierry Reding
2014-09-28 3:27 ` [PATCH v3 2/2] iommu/arm-smmu: add support for iova_to_phys through ATS1PR Mitchel Humpherys
[not found] ` <1411874849-343-3-git-send-email-mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2014-09-30 10:23 ` Will Deacon
[not found] ` <20140930102334.GH8075-5wv7dgnIgG8@public.gmane.org>
2014-10-01 1:28 ` Mitchel Humpherys
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