From: Marek Vasut <marex-ynQEQJNshbs@public.gmane.org>
To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Cc: Fabio Estevam
<fabio.estevam-KZfg59tc24xl57MIdRCFDg@public.gmane.org>,
spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
Shawn Guo <shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH V4] MXS: Implement DMA support into mxs-i2c
Date: Mon, 8 Oct 2012 15:15:32 +0200 [thread overview]
Message-ID: <201210081515.32863.marex@denx.de> (raw)
In-Reply-To: <20121008092530.GA22051-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
Dear Wolfram Sang,
> On Fri, Aug 24, 2012 at 05:44:31AM +0200, Marek Vasut wrote:
> > This patch implements DMA support into mxs-i2c. DMA transfers are now
> > enabled via DT. The DMA operation is enabled by default.
> >
> > Signed-off-by: Marek Vasut <marex-ynQEQJNshbs@public.gmane.org>
>
> Thanks, applied to -next.
>
> I am meanwhile thinking the driver needs massive changes
+1 it does.
> probably dropping PIOQUEUE entirely
Yes, in favor of PIO which can do switching with DMA.
> This is probably best done via incremental
> patches to this one. I have sketches which were sadly not ready for this
> merge-window :(
Cc me when submitting, I'd like to see those.
Best regards,
Marek Vasut
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WARNING: multiple messages have this Message-ID (diff)
From: marex@denx.de (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V4] MXS: Implement DMA support into mxs-i2c
Date: Mon, 8 Oct 2012 15:15:32 +0200 [thread overview]
Message-ID: <201210081515.32863.marex@denx.de> (raw)
In-Reply-To: <20121008092530.GA22051@pengutronix.de>
Dear Wolfram Sang,
> On Fri, Aug 24, 2012 at 05:44:31AM +0200, Marek Vasut wrote:
> > This patch implements DMA support into mxs-i2c. DMA transfers are now
> > enabled via DT. The DMA operation is enabled by default.
> >
> > Signed-off-by: Marek Vasut <marex@denx.de>
>
> Thanks, applied to -next.
>
> I am meanwhile thinking the driver needs massive changes
+1 it does.
> probably dropping PIOQUEUE entirely
Yes, in favor of PIO which can do switching with DMA.
> This is probably best done via incremental
> patches to this one. I have sketches which were sadly not ready for this
> merge-window :(
Cc me when submitting, I'd like to see those.
Best regards,
Marek Vasut
next prev parent reply other threads:[~2012-10-08 13:15 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-24 3:44 [PATCH V4] MXS: Implement DMA support into mxs-i2c Marek Vasut
2012-08-24 3:44 ` Marek Vasut
[not found] ` <1345779871-7677-1-git-send-email-marex-ynQEQJNshbs@public.gmane.org>
2012-08-27 18:54 ` Fabio Estevam
2012-08-27 18:54 ` Fabio Estevam
[not found] ` <CAOMZO5CSvP3nXNq4VLYALh+U9OZRnjtgXqTr7zsKdeHpUdJ4cQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-16 10:44 ` Wolfram Sang
2012-09-16 10:44 ` Wolfram Sang
[not found] ` <20120916104436.GC933-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-09-16 14:44 ` Fabio Estevam
2012-09-16 14:44 ` Fabio Estevam
2012-09-16 10:23 ` Wolfram Sang
2012-09-16 10:23 ` Wolfram Sang
[not found] ` <20120916102342.GA933-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-09-16 10:51 ` Marek Vasut
2012-09-16 10:51 ` Marek Vasut
[not found] ` <201209161251.41895.marex-ynQEQJNshbs@public.gmane.org>
2012-09-16 11:12 ` Wolfram Sang
2012-09-16 11:12 ` Wolfram Sang
[not found] ` <20120916111223.GD933-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-09-16 11:14 ` Marek Vasut
2012-09-16 11:14 ` Marek Vasut
2012-09-27 0:03 ` Marek Vasut
2012-09-27 0:03 ` Marek Vasut
2012-10-08 9:25 ` Wolfram Sang
2012-10-08 9:25 ` Wolfram Sang
[not found] ` <20121008092530.GA22051-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-10-08 13:15 ` Marek Vasut [this message]
2012-10-08 13:15 ` Marek Vasut
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