From: Wolfram Sang <wsa@the-dreams.de>
To: linux-i2c@vger.kernel.org
Cc: linux-sh@vger.kernel.org, Magnus Damm <magnus.damm@gmail.com>,
Simon Horman <horms@verge.net.au>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Geert Uytterhoeven <geert@linux-m68k.org>
Subject: Re: [PATCH 2/5] i2c: sh_mobile: add DMA support
Date: Wed, 12 Nov 2014 17:11:47 +0100 [thread overview]
Message-ID: <20141112161146.GE4031@katana> (raw)
In-Reply-To: <1415355104-2031-3-git-send-email-wsa@the-dreams.de>
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On Fri, Nov 07, 2014 at 11:11:41AM +0100, Wolfram Sang wrote:
> From: Wolfram Sang <wsa+renesas@sang-engineering.com>
>
> Make it possible to transfer i2c message buffers via DMA.
> Start/Stop/Sending_Slave_Adress is still handled using the old state
> machine, it is sending the actual data that is done via DMA. This is
> least intrusive and allows us to work with the message buffers directly
> instead of preparing a custom buffer which involves copying the data
> around.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> ---
Applied to for-next, thanks!
One minor change:
- i2c_op(pd, OP_TX_STOP, data);
+ i2c_op(pd, OP_TX_STOP, 0);
To prevent uninitialzed var usage.
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WARNING: multiple messages have this Message-ID (diff)
From: Wolfram Sang <wsa@the-dreams.de>
To: linux-i2c@vger.kernel.org
Cc: linux-sh@vger.kernel.org, Magnus Damm <magnus.damm@gmail.com>,
Simon Horman <horms@verge.net.au>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Geert Uytterhoeven <geert@linux-m68k.org>
Subject: Re: [PATCH 2/5] i2c: sh_mobile: add DMA support
Date: Wed, 12 Nov 2014 16:11:47 +0000 [thread overview]
Message-ID: <20141112161146.GE4031@katana> (raw)
In-Reply-To: <1415355104-2031-3-git-send-email-wsa@the-dreams.de>
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On Fri, Nov 07, 2014 at 11:11:41AM +0100, Wolfram Sang wrote:
> From: Wolfram Sang <wsa+renesas@sang-engineering.com>
>
> Make it possible to transfer i2c message buffers via DMA.
> Start/Stop/Sending_Slave_Adress is still handled using the old state
> machine, it is sending the actual data that is done via DMA. This is
> least intrusive and allows us to work with the message buffers directly
> instead of preparing a custom buffer which involves copying the data
> around.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> ---
Applied to for-next, thanks!
One minor change:
- i2c_op(pd, OP_TX_STOP, data);
+ i2c_op(pd, OP_TX_STOP, 0);
To prevent uninitialzed var usage.
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next prev parent reply other threads:[~2014-11-12 16:11 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-07 10:11 [PATCH 0/5] i2c: sh_mobile: add DMA support Wolfram Sang
2014-11-07 10:11 ` Wolfram Sang
2014-11-07 10:11 ` [PATCH 1/5] i2c: sh_mobile: sort includes alphabetically Wolfram Sang
2014-11-07 10:11 ` Wolfram Sang
2014-11-12 16:10 ` Wolfram Sang
2014-11-12 16:10 ` Wolfram Sang
2014-11-07 10:11 ` [PATCH 2/5] i2c: sh_mobile: add DMA support Wolfram Sang
2014-11-07 10:11 ` Wolfram Sang
2014-11-12 16:11 ` Wolfram Sang [this message]
2014-11-12 16:11 ` Wolfram Sang
2014-12-09 10:53 ` Geert Uytterhoeven
2014-12-09 10:53 ` Geert Uytterhoeven
2014-12-09 14:09 ` Wolfram Sang
2014-12-09 14:09 ` Wolfram Sang
2014-12-10 5:44 ` Magnus Damm
2014-12-10 5:44 ` Magnus Damm
2014-12-10 8:01 ` Wolfram Sang
2014-12-10 8:01 ` Wolfram Sang
2014-12-10 14:19 ` Laurent Pinchart
2014-12-10 14:19 ` Laurent Pinchart
2014-12-10 14:23 ` Wolfram Sang
2014-12-10 14:23 ` Wolfram Sang
2014-12-11 5:02 ` Vinod Koul
2014-12-11 5:14 ` Vinod Koul
2014-12-11 7:37 ` Wolfram Sang
2014-12-11 7:37 ` Wolfram Sang
2014-12-11 7:47 ` Laurent Pinchart
2014-12-11 7:47 ` Laurent Pinchart
2014-12-11 8:28 ` Wolfram Sang
2014-12-11 8:28 ` Wolfram Sang
2014-12-11 21:42 ` Laurent Pinchart
2014-12-11 21:42 ` Laurent Pinchart
2014-12-11 21:47 ` Wolfram Sang
2014-12-11 21:47 ` Wolfram Sang
2014-12-11 21:52 ` Laurent Pinchart
2014-12-11 21:52 ` Laurent Pinchart
2014-12-12 11:07 ` Wolfram Sang
2014-12-12 11:07 ` Wolfram Sang
2014-12-15 6:43 ` Vinod Koul
2014-12-15 6:55 ` Vinod Koul
2014-12-15 8:31 ` Geert Uytterhoeven
2014-12-15 8:31 ` Geert Uytterhoeven
2014-12-15 9:06 ` Wolfram Sang
2014-12-15 9:06 ` Wolfram Sang
2014-12-15 9:32 ` Geert Uytterhoeven
2014-12-15 9:32 ` Geert Uytterhoeven
2014-12-15 9:13 ` Vinod Koul
2014-12-15 9:25 ` Vinod Koul
[not found] ` <20141215091314.GQ16827-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2014-12-15 9:42 ` Laurent Pinchart
2014-12-15 9:42 ` Laurent Pinchart
2014-12-15 14:48 ` Vinod Koul
2014-12-15 14:48 ` Vinod Koul
2014-12-15 9:45 ` Wolfram Sang
2014-12-15 9:45 ` Wolfram Sang
2014-12-15 14:50 ` Vinod Koul
2014-12-15 14:50 ` Vinod Koul
2014-11-07 10:11 ` [PATCH 3/5] i2c: sh_mobile: improve success message Wolfram Sang
2014-11-07 10:11 ` Wolfram Sang
2014-11-12 16:12 ` Wolfram Sang
2014-11-12 16:12 ` Wolfram Sang
2014-11-13 0:27 ` Simon Horman
2014-11-13 0:27 ` Simon Horman
2014-11-07 10:11 ` [PATCH 4/5] ARM: shmobile: r8a7790: add DMA nodes for IIC Wolfram Sang
2014-11-07 10:11 ` Wolfram Sang
2014-11-13 0:26 ` Simon Horman
2014-11-13 0:26 ` Simon Horman
2014-11-07 10:11 ` [PATCH 5/5] ARM: shmobile: r8a7791: " Wolfram Sang
2014-11-07 10:11 ` Wolfram Sang
2014-11-13 0:26 ` Simon Horman
2014-11-13 0:26 ` Simon Horman
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