Messages in this thread | | | Date | Tue, 15 Jun 2010 13:17:28 +0200 | From | Maurus Cuelenaere <> | Subject | Re: [PATCH 06/13] DMAENGINE: driver for the ARM PL080/PL081 PrimeCells |
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Op 15-06-10 12:45, Jassi Brar schreef: > On Tue, Jun 15, 2010 at 7:25 PM, Kukjin Kim <kgene.kim@samsung.com> wrote: >> Linus Walleij wrote: >>> >>> This creates a DMAengine driver for the ARM PL080/PL081 PrimeCells >>> based on the implementation earlier submitted by Peter Pearse. >>> This is working like a charm for memcpy on the PB11MPCore, but >>> slave DMA to devices is still not working. >>> >>> This DMA controller is used in mostly unmodified form in the ARM >>> RealView and Versatile platforms, in the ST-Ericsson Nomadik, and >>> in the ST SPEAr platform. >>> >>> It has been converted to use the header from the Samsung PL080 >>> derivate instead of its own defintions, and can potentially support >>> several controllers in the same system. >>> >>> Cc: Peter Pearse <peter.pearse@arm.com> >>> Cc: Ben Dooks <ben-linux@fluff.org> >>> Cc: Kukjin Kim <kgene.kim@samsung.com> >> >> Looks good, but please give me some time to test on the board(SMDK6410). >> If any problem, let you know. Of course no problem, will ack. > Samsung doesn't use the DMA API, so this driver is unlikely to work.
It doesn't indeed, but it could be adapted to be a wrapper around the DMA engine API. Or even better, the drivers could be adapted to use that API.
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