From: Russell King - ARM Linux <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>
To: Gregory CLEMENT
<gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Cc: Lior Amsalem <alior-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
Andrew Lunn <andrew-g2DYL2Zd6BY@public.gmane.org>,
Ike Pan <ike.pan-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>,
David Marlin <dmarlin-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Yehuda Yitschak <yehuday-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
Tawfik Bayouk <tawfik-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
Dan Frazier
<dann.frazier-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>,
Eran Ben-Avi <benavi-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
Leif Lindholm <leif.lindholm-5wv7dgnIgG8@public.gmane.org>,
Sebastian Hesselbarth
<sebastian.hesselbarth-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Jason Cooper <jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org>,
Jon Masters <jcm-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
Chris Van Hoof <vanhoof-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Maen Suleiman <maen-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
Nadav Haklai <nadavh-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
Shadi Ammouri <shadi-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>
Subject: Re: [PATCH 2/5] arm: mvebu: Select DMA_BOUNCE when LPAE is selected in Kconfig
Date: Fri, 22 Mar 2013 11:32:51 +0000 [thread overview]
Message-ID: <20130322113251.GB4977@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1363883179-1361-3-git-send-email-gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
On Thu, Mar 21, 2013 at 05:26:15PM +0100, Gregory CLEMENT wrote:
> From: Lior Amsalem <alior-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>
>
> For mvebu IOs are 32 bits and we have 40 bits memory due to LPAE so
> make sure we give 32 bits addresses to the IOs.
>
> Signed-off-by: Lior Amsalem <alior-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>
> Tested-by: Franklin <flin-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>
> Signed-off-by: Gregory CLEMENT <gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Oh god no. Please move away from the addition on DMABOUNCE - that code
creaks, doesn't have highmem support, and is known to give problems on
various platforms.
Instead, please rely on using the DMA mask and such like, just like on
x86.
next prev parent reply other threads:[~2013-03-22 11:32 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-21 16:26 [PATCH 0/5] arm: mvebu: Enable LPAE support for Armada XP SoCs Gregory CLEMENT
[not found] ` <1363883179-1361-1-git-send-email-gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2013-03-21 16:26 ` [PATCH 1/5] arm: mvebu: Aligne the internal registers virtual base to support LPAE Gregory CLEMENT
2013-03-21 16:26 ` [PATCH 2/5] arm: mvebu: Select DMA_BOUNCE when LPAE is selected in Kconfig Gregory CLEMENT
2013-03-21 18:19 ` Rob Herring
2013-03-21 19:18 ` Andrew Lunn
[not found] ` <1363883179-1361-3-git-send-email-gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2013-03-22 11:32 ` Russell King - ARM Linux [this message]
[not found] ` <20130322113251.GB4977-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-03-23 19:48 ` Krzysztof Halasa
2013-03-21 16:26 ` [PATCH 3/5] arm: mvebu: Enable pj4b on LPAE compilations Gregory CLEMENT
2013-03-21 16:26 ` [PATCH 4/5] arm: dts: Add a 64 bits version of the skeleton device tree Gregory CLEMENT
2013-03-21 16:26 ` [PATCH 5/5] arm: dts: Convert mvebu device tree files to 64 bits Gregory CLEMENT
2013-03-21 17:59 ` Rob Herring
[not found] ` <514B4A79.1070501-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-03-21 19:03 ` Arnd Bergmann
2013-03-21 19:18 ` Thomas Petazzoni
2013-03-21 21:31 ` Arnd Bergmann
[not found] ` <201303212131.07629.arnd-r2nGTMty4D4@public.gmane.org>
2013-03-21 22:30 ` Sebastian Hesselbarth
2013-03-21 20:15 ` Andrew Lunn
2013-03-21 20:22 ` Thomas Petazzoni
2013-03-21 20:30 ` Jason Cooper
2013-03-21 20:37 ` Andrew Lunn
2013-03-21 21:08 ` Thomas Petazzoni
2013-03-21 21:16 ` Thomas Petazzoni
2013-03-21 20:55 ` Jason Gunthorpe
2013-03-21 21:15 ` Thomas Petazzoni
2013-03-21 21:35 ` Lior Amsalem
[not found] ` <EE71107DF0D1F24FA2D95041E64AB9E801A56C7B6D24-YTFUtKQQMWV5iqk/IoNZdEEOCMrvLtNR@public.gmane.org>
2013-03-21 21:46 ` Jason Gunthorpe
[not found] ` <20130321214607.GC8431-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-03-21 21:58 ` Lior Amsalem
[not found] ` <EE71107DF0D1F24FA2D95041E64AB9E801A56C7B6D25-YTFUtKQQMWV5iqk/IoNZdEEOCMrvLtNR@public.gmane.org>
2013-03-22 6:55 ` Arnd Bergmann
2013-03-21 21:41 ` Jason Gunthorpe
2013-03-21 22:26 ` Sebastian Hesselbarth
2013-03-22 9:55 ` Arnd Bergmann
[not found] ` <20130321205545.GA8358-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-03-21 21:25 ` Andrew Lunn
2013-03-22 6:28 ` Andrew Lunn
[not found] ` <20130322062854.GS21478-g2DYL2Zd6BY@public.gmane.org>
2013-03-22 17:43 ` Jason Gunthorpe
[not found] ` <20130322174300.GA10230-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-03-22 19:33 ` Arnd Bergmann
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20130322113251.GB4977@n2100.arm.linux.org.uk \
--to=linux-lfz/pmaqli7xmaaqvzeohq@public.gmane.org \
--cc=alior-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org \
--cc=andrew-g2DYL2Zd6BY@public.gmane.org \
--cc=benavi-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org \
--cc=dann.frazier-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org \
--cc=devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org \
--cc=dmarlin-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
--cc=gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org \
--cc=ike.pan-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org \
--cc=jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org \
--cc=jcm-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
--cc=leif.lindholm-5wv7dgnIgG8@public.gmane.org \
--cc=linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=maen-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org \
--cc=nadavh-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org \
--cc=rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org \
--cc=sebastian.hesselbarth-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
--cc=shadi-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org \
--cc=tawfik-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org \
--cc=vanhoof-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org \
--cc=yehuday-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).