From: Marek Vasut <marex-ynQEQJNshbs@public.gmane.org>
To: Fabio Estevam <festevam-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Shawn Guo <shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org,
marex-ynQEQJNshbs@public.gmane.org,
kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org,
to-fleischer-zqRNUXuvxA0b1SvskN2V4Q@public.gmane.org,
Fabio Estevam
<fabio.estevam-KZfg59tc24xl57MIdRCFDg@public.gmane.org>,
stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v2] i2c: i2c-mxs: Use DMA mode even for small transfers
Date: Mon, 15 Jul 2013 16:12:08 +0200 [thread overview]
Message-ID: <201307151612.09198.marex@denx.de> (raw)
In-Reply-To: <CAOMZO5Dyk_5CzcXvG7eJ3h07i=So0DS7MjtMQVHfpfx9Se_Teg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
Dear Fabio Estevam,
> Hi Wolfram,
>
> On Mon, Jul 1, 2013 at 11:23 PM, Shawn Guo <shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> wrote:
> > On Mon, Jul 01, 2013 at 06:14:21PM -0300, Fabio Estevam wrote:
> >> From: Fabio Estevam <fabio.estevam-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
> >>
> >> Recently we have been seing some reports about PIO mode not working
> >> properly.
> >>
> >> - http://www.spinics.net/lists/linux-i2c/msg11985.html
> >> - http://marc.info/?l=linux-i2c&m=137235593101385&w=2
> >> - https://lkml.org/lkml/2013/6/24/430
> >
> > It also causes sgtl5000 register write failure [1]. Changing it back to
> > DMA mode fixes the failure. So,
> >
> > Acked-by: Shawn Guo <shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
> >
> > [1] http://thread.gmane.org/gmane.linux.alsa.devel/109715/focus=109747
>
> Any comment about this patch, please?
>
> If you are happy with it, could we please have it applied into stable?
>
> 3.10 is currently broken without this patch.
Hi, either this or the PIO fix, but that's a RFC and quite a big slab of change
which still needs some work. So please apply this and let's try the PIOfix for
3.11 or 3.12.
Best regards,
Marek Vasut
next prev parent reply other threads:[~2013-07-15 14:12 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-01 21:14 [PATCH v2] i2c: i2c-mxs: Use DMA mode even for small transfers Fabio Estevam
2013-07-02 2:23 ` Shawn Guo
2013-07-15 13:30 ` Fabio Estevam
[not found] ` <CAOMZO5Dyk_5CzcXvG7eJ3h07i=So0DS7MjtMQVHfpfx9Se_Teg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-07-15 14:12 ` Marek Vasut [this message]
2013-07-23 18:15 ` Fabio Estevam
2013-07-24 3:02 ` Marek Vasut
2013-07-24 3:09 ` Fabio Estevam
2013-07-26 0:46 ` Ben Hutchings
2013-07-26 4:20 ` Marek Vasut
[not found] ` <1372713261-20551-1-git-send-email-festevam-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-07-02 8:16 ` Lucas Stach
2013-07-03 2:38 ` Marek Vasut
[not found] ` <201307030438.50069.marex-ynQEQJNshbs@public.gmane.org>
2013-07-03 4:37 ` Marek Vasut
2013-07-03 8:33 ` Alexandre Belloni
[not found] ` <51D3E1D2.4070706-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2013-07-03 11:41 ` Marek Vasut
[not found] ` <201307030637.05324.marex-ynQEQJNshbs@public.gmane.org>
2013-07-03 9:11 ` Lucas Stach
[not found] ` <1372842695.4440.3.camel-WzVe3FnzCwFR6QfukMTsflXZhhPuCNm+@public.gmane.org>
2013-07-03 11:39 ` Marek Vasut
2013-08-05 8:11 ` Wolfram Sang
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