From: vinod.koul@intel.com (Vinod Koul)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/7] dmaengine: at_xdmac: prefer usage of readl/writel_relaxed
Date: Thu, 13 Nov 2014 21:04:49 +0530 [thread overview]
Message-ID: <20141113153449.GO24582@intel.com> (raw)
In-Reply-To: <2791155.z0l2TZezWO@wuerfel>
On Thu, Nov 13, 2014 at 12:01:49PM +0100, Arnd Bergmann wrote:
> On Thursday 13 November 2014 11:52:39 Ludovic Desroches wrote:
> > _relaxed version of readl and writel are not implemented on all
> > architecture so COMPILE_TEST has to be removed in order to not cause
> > some build failures.
> >
> > Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
> > ---
> >
>
> I've queued up Will Deacon's series to enable the relaxed accessors
> on all architectures, so the Kconfig change should no longer
> be required in 3.19.
And why is _relaxed() version required for thsi driver. Why cant readl(),
writel() with barriers do?
--
~Vinod
next prev parent reply other threads:[~2014-11-13 15:34 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-13 10:52 [PATCH 0/7] fixes and update for at_xdmac Ludovic Desroches
2014-11-13 10:52 ` [PATCH 1/7] dmaengine: at_xdmac: prefer usage of readl/writel_relaxed Ludovic Desroches
2014-11-13 11:01 ` Arnd Bergmann
2014-11-13 14:21 ` Ludovic Desroches
2014-11-13 15:34 ` Vinod Koul [this message]
2014-11-13 15:45 ` Ludovic Desroches
2014-11-17 8:34 ` Vinod Koul
2014-11-13 10:52 ` [PATCH 2/7] dmaengine: at_xdmac: remove chancnt affectation Ludovic Desroches
2014-11-13 10:52 ` [PATCH 3/7] dmaengine: at_xdmac: fix software lockup at_xdmac_tx_status() Ludovic Desroches
2014-11-13 10:52 ` [PATCH 4/7] dmaengine: at_xdmac: fix a bug in transfer residue computation Ludovic Desroches
2014-11-13 10:52 ` [PATCH 5/7] dmaengine: at_xdmac: fix missing spin_unlock Ludovic Desroches
2014-11-17 8:31 ` Vinod Koul
2014-11-13 10:52 ` [PATCH 6/7] ARM: dts: at_xdmac: fix bad value of dma-cells in documentation Ludovic Desroches
2014-11-13 10:52 ` [PATCH 7/7] dmaengine: at_xdmac: Add DMA_PRIVATE Ludovic Desroches
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=20141113153449.GO24582@intel.com \
--to=vinod.koul@intel.com \
--cc=linux-arm-kernel@lists.infradead.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).