From: nicolas.ferre@atmel.com (Nicolas Ferre)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/3] dmaengine: at_hdmac: implement pause and resume in atc_control
Date: Fri, 06 May 2011 18:56:33 +0200 [thread overview]
Message-ID: <4DC42841.9040103@atmel.com> (raw)
In-Reply-To: <be7d19459501aaa604aebe91daa9e9e59bb41c86.1304704588.git.nicolas.ferre@atmel.com>
Le 06/05/2011 19:56, Nicolas Ferre :
> Pause and resume controls are useful for audio devices. This also returns
> correct status from atc_tx_status() in case chan is paused.
>
> Idea from dw_dmac patch by Linus Walleij.
>
> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
> ---
V2: In case of pause, some peripheral are not draining data out of FIFO
if they are stopped or not clocked: we need to find a way out with
a simple timeout.
[..]
Best regards,
--
Nicolas Ferre
WARNING: multiple messages have this Message-ID (diff)
From: Nicolas Ferre <nicolas.ferre@atmel.com>
To: vinod.koul@intel.com
Cc: dan.j.williams@intel.com, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/3] dmaengine: at_hdmac: implement pause and resume in atc_control
Date: Fri, 06 May 2011 18:56:33 +0200 [thread overview]
Message-ID: <4DC42841.9040103@atmel.com> (raw)
In-Reply-To: <be7d19459501aaa604aebe91daa9e9e59bb41c86.1304704588.git.nicolas.ferre@atmel.com>
Le 06/05/2011 19:56, Nicolas Ferre :
> Pause and resume controls are useful for audio devices. This also returns
> correct status from atc_tx_status() in case chan is paused.
>
> Idea from dw_dmac patch by Linus Walleij.
>
> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
> ---
V2: In case of pause, some peripheral are not draining data out of FIFO
if they are stopped or not clocked: we need to find a way out with
a simple timeout.
[..]
Best regards,
--
Nicolas Ferre
next prev parent reply other threads:[~2011-05-06 16:56 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-04 18:14 [PATCH 1/2] dmaengine: at_hdmac: set residue as total len in atc_tx_status Nicolas Ferre
2011-05-04 18:14 ` Nicolas Ferre
2011-05-04 18:14 ` [PATCH 2/2] dmaengine: at_hdmac: implement pause and resume in atc_control Nicolas Ferre
2011-05-04 18:14 ` Nicolas Ferre
2011-05-07 18:05 ` Linus Walleij
2011-05-07 18:05 ` Linus Walleij
2011-05-06 17:56 ` [PATCH v2 1/3] dmaengine: at_hdmac: set residue as total len in atc_tx_status Nicolas Ferre
2011-05-06 17:56 ` Nicolas Ferre
2011-05-06 17:56 ` [PATCH v2 2/3] dmaengine: at_hdmac: implement pause and resume in atc_control Nicolas Ferre
2011-05-06 17:56 ` Nicolas Ferre
2011-05-06 16:56 ` Nicolas Ferre [this message]
2011-05-06 16:56 ` Nicolas Ferre
2011-05-09 16:11 ` [PATCH] dmaengine: at_hdmac: pause: no need to wait for FIFO empty Nicolas Ferre
2011-05-09 16:11 ` Nicolas Ferre
2011-05-10 11:56 ` Sergei Shtylyov
2011-05-10 11:56 ` Sergei Shtylyov
2011-05-10 12:05 ` Nicolas Ferre
2011-05-10 12:05 ` Nicolas Ferre
2011-05-11 16:53 ` Koul, Vinod
2011-05-11 16:53 ` Koul, Vinod
2011-05-12 8:28 ` Koul, Vinod
2011-05-12 8:28 ` Koul, Vinod
2011-05-12 9:20 ` Nicolas Ferre
2011-05-12 9:20 ` Nicolas Ferre
2011-05-06 17:56 ` [PATCH v2 3/3] dmaengine: at_hdmac: use descriptor chaining help function Nicolas Ferre
2011-05-06 17:56 ` Nicolas Ferre
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