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Re: [PATCH 1/3] dmaengine: add possibility for cyclic transfers

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From: Linus Walleij
Subject: Re: [PATCH 1/3] dmaengine: add possibility for cyclic transfers
Date: Monday, August 16, 2010 - 5:27 am

2010/8/16 Lothar Waßmann <LW@karo-electronics.de>:


That would be elegant...

The driver will have to detect that the sglist is chained like an
ouroboros to program the DMAC apropriately, is is easy to
detect if an sglist is chained onto itself?

Yours,
Linus Walleij
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[RFC] dmaengine: assorted patches and Freescale SDMA support, Sascha Hauer, (Mon Aug 16, 4:07 am)
[PATCH 1/3] dmaengine: add possibility for cyclic transfers, Sascha Hauer, (Mon Aug 16, 4:07 am)
[PATCH 3/3] dmaengine: Add Freescale i.MX SDMA support, Sascha Hauer, (Mon Aug 16, 4:07 am)
Re: [PATCH 1/3] dmaengine: add possibility for cyclic tran ..., Lothar Waßmann, (Mon Aug 16, 4:56 am)
Re: [PATCH 3/3] dmaengine: Add Freescale i.MX SDMA support, Linus Walleij, (Mon Aug 16, 5:21 am)
Re: [PATCH 1/3] dmaengine: add possibility for cyclic tran ..., Linus Walleij, (Mon Aug 16, 5:22 am)
Re: [PATCH 1/3] dmaengine: add possibility for cyclic tran ..., Linus Walleij, (Mon Aug 16, 5:27 am)
Re: [PATCH 1/3] dmaengine: add possibility for cyclic tran ..., Sascha Hauer, (Mon Aug 16, 5:32 am)
Re: [PATCH 3/3] dmaengine: Add Freescale i.MX SDMA support, Sascha Hauer, (Mon Aug 16, 7:15 am)
Re: [PATCH 3/3] dmaengine: Add Freescale i.MX SDMA support, Baruch Siach, (Mon Aug 16, 9:36 pm)
Re: [PATCH 3/3] dmaengine: Add Freescale i.MX SDMA support, Sascha Hauer, (Mon Aug 16, 11:47 pm)
Re: [PATCH 3/3] dmaengine: Add Freescale i.MX SDMA support, Philippe =?iso-8859- ..., (Wed Aug 18, 4:17 am)
[PATCH 3/3 v2] dmaengine: Add Freescale i.MX SDMA support, Sascha Hauer, (Mon Aug 23, 5:57 am)
Re: [PATCH 3/3 v2] dmaengine: Add Freescale i.MX SDMA support, Linus Walleij, (Mon Aug 23, 10:30 am)
Re: [PATCH 3/3 v2] dmaengine: Add Freescale i.MX SDMA support, Uwe Kleine-König, (Mon Aug 23, 10:48 am)
Re: [PATCH 3/3 v2] dmaengine: Add Freescale i.MX SDMA support, Sascha Hauer, (Mon Aug 23, 11:58 pm)
Re: [PATCH 3/3 v3] dmaengine: Add Freescale i.MX SDMA support, Sascha Hauer, (Tue Aug 24, 12:10 am)
Re: [PATCH 3/3 v2] dmaengine: Add Freescale i.MX SDMA support, Lothar Waßmann, (Tue Aug 24, 12:58 am)
Re: [PATCH 3/3 v2] dmaengine: Add Freescale i.MX SDMA support, Linus Walleij, (Tue Aug 24, 8:01 am)
Re: [PATCH 3/3 v3] dmaengine: Add Freescale i.MX SDMA support, Sascha Hauer, (Fri Aug 27, 5:22 am)
Re: [PATCH 3/3 v2] dmaengine: Add Freescale i.MX SDMA support, Linus Walleij, (Sat Aug 28, 8:18 am)
Re: [PATCH 3/3 v2] dmaengine: Add Freescale i.MX SDMA support, Marek Vasut, (Sat Aug 28, 8:27 am)
Re: [PATCH 3/3 v2] dmaengine: Add Freescale i.MX SDMA support, Sascha Hauer, (Sat Aug 28, 9:18 am)
Re: [PATCH 3/3 v2] dmaengine: Add Freescale i.MX SDMA support, Marek Vasut, (Sat Aug 28, 9:30 am)
Re: [PATCH 3/3 v2] dmaengine: Add Freescale i.MX SDMA support, Sascha Hauer, (Sat Aug 28, 10:20 am)
Re: [PATCH 3/3 v2] dmaengine: Add Freescale i.MX SDMA support, Linus Walleij, (Sun Aug 29, 5:35 am)
Re: [PATCH 3/3 v2] dmaengine: Add Freescale i.MX SDMA support, Sascha Hauer, (Mon Aug 30, 5:55 am)
Re: [PATCH 3/3 v2] dmaengine: Add Freescale i.MX SDMA support, Russell King - ARM Linux, (Thu Sep 2, 4:20 am)
Re: [PATCH 3/3] dmaengine: Add Freescale i.MX SDMA support, Russell King - ARM Linux, (Thu Sep 2, 7:06 am)
Re: [PATCH 1/3] dmaengine: add possibility for cyclic tran ..., Sascha Hauer, (Mon Sep 20, 6:01 am)
Re: [PATCH 1/3] dmaengine: add possibility for cyclic tran ..., Dan Williams, (Thu Sep 23, 12:42 pm)
Re: [PATCH 1/3] dmaengine: add possibility for cyclic tran ..., Sascha Hauer, (Fri Sep 24, 12:25 am)