From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 6/9] crypto: ux500/cryp - Set DMA configuration though dma_slave_config()
Date: Fri, 26 Apr 2013 10:44:30 +0100 [thread overview]
Message-ID: <20130426094430.GH14496@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1457204.tIrKjcEogd@wuerfel>
On Fri, Apr 26, 2013 at 11:39:20AM +0200, Arnd Bergmann wrote:
> On Friday 26 April 2013 13:46:46 Vinod Koul wrote:
> >
> > The mapping & unmapping of dma buffer (memcpy and memory buffer in this txn) is
> > required to be performed by the client driver. The dmanegine or dmaengine driver
> > will not do that for you...
>
> I've been wondering about this part: since we need to pass the 'struct device' of
> the dma engine (rather than the slave) into dma_map_single, what is the official
> way to do that? Should the slave driver just rely on dma_chan->device->dev to
> work correctly for the purpose of dma-mapping.h interfaces?
Yes.
next prev parent reply other threads:[~2013-04-26 9:44 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-18 10:26 [PATCH 0/9] Fix ux500 crypto drivers and init DMA in the correct way Lee Jones
2013-04-18 10:26 ` [PATCH 1/9] crypto: ux500/hash - Prepare clock before enabling it Lee Jones
2013-04-19 12:24 ` [PATCH 1/9 v2] " Lee Jones
2013-04-19 12:26 ` Arnd Bergmann
2013-04-25 11:49 ` Linus Walleij
2013-04-25 13:46 ` Lee Jones
2013-04-18 10:26 ` [PATCH 2/9] crypto: ux500/hash - Set DMA configuration though dma_slave_config() Lee Jones
2013-04-25 11:55 ` Linus Walleij
2013-04-18 10:26 ` [PATCH 3/9] ARM: ux500: Stop passing Hash DMA channel config information though pdata Lee Jones
2013-04-25 11:56 ` Linus Walleij
2013-04-18 10:27 ` [PATCH 4/9] crypto: ux500/cryp - Prepare clock before enabling it Lee Jones
2013-04-19 12:22 ` [PATCH 4/9 v2] " Lee Jones
2013-04-19 12:23 ` Arnd Bergmann
2013-04-25 11:57 ` Linus Walleij
2013-04-18 10:27 ` [PATCH 5/9] crypto: ux500/cryp - Fix compile error Lee Jones
2013-04-25 12:00 ` Linus Walleij
2013-04-25 13:44 ` Lee Jones
2013-04-18 10:27 ` [PATCH 6/9] crypto: ux500/cryp - Set DMA configuration though dma_slave_config() Lee Jones
2013-04-25 12:02 ` Linus Walleij
2013-04-25 13:44 ` Lee Jones
2013-04-25 14:05 ` Linus Walleij
2013-04-25 14:11 ` Arnd Bergmann
2013-04-26 8:28 ` Linus Walleij
2013-04-26 8:16 ` Vinod Koul
2013-04-26 9:07 ` Linus Walleij
2013-04-26 9:39 ` Arnd Bergmann
2013-04-26 9:44 ` Russell King - ARM Linux [this message]
2013-04-26 9:41 ` Russell King - ARM Linux
2013-04-30 10:08 ` Vinod Koul
2013-04-26 9:34 ` Arnd Bergmann
2013-04-18 10:27 ` [PATCH 7/9] ARM: ux500: Stop passing Cryp DMA channel config information though pdata Lee Jones
2013-04-25 12:02 ` Linus Walleij
2013-04-18 10:27 ` [PATCH 8/9] crypto: ux500/[cryp|hash] - Show successful start-up in the bootlog Lee Jones
2013-04-25 12:03 ` Linus Walleij
2013-04-18 10:27 ` [PATCH 9/9] ARM: ux500: Register Cyrp and Hash platform drivers on Snowball Lee Jones
2013-04-25 12:04 ` Linus Walleij
2013-04-18 10:44 ` [PATCH 0/9] Fix ux500 crypto drivers and init DMA in the correct way Arnd Bergmann
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