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Groups > linux.kernel > #1609444 > unrolled thread
| Started by | Vinod Koul <vinod.koul@intel.com> |
|---|---|
| First post | 2017-03-27 06:40 +0200 |
| Last post | 2017-03-27 06:40 +0200 |
| Articles | 1 — 1 participant |
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Re: [PATCH v3] dmaengine: rcar-dmac: enable descriptor mode on 40bit Vinod Koul <vinod.koul@intel.com> - 2017-03-27 06:40 +0200
| From | Vinod Koul <vinod.koul@intel.com> |
|---|---|
| Date | 2017-03-27 06:40 +0200 |
| Subject | Re: [PATCH v3] dmaengine: rcar-dmac: enable descriptor mode on 40bit |
| Message-ID | <tpuBH-2lN-1@gated-at.bofh.it> |
On Wed, Mar 22, 2017 at 04:22:36AM +0000, Kuninori Morimoto wrote: > > From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> > > SYS-DMAC can use 40bit address transfer, and it supports Descriptor > Mode too. Current SYS-DMAC driver disables Descriptor Mode if it was > 40bit address today. But it can use Descriptor Mode with 40bit if > transfer Source/Destination address are located in same 4GiB region > in the 40 bit address space. > This patch enables it if all condition was clear Applied, thanks -- ~Vinod
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