Messages in this thread | | | Date | Thu, 30 Jul 2015 14:21:07 +0530 | Subject | Re: [PATCH] dmaengine: xgene-dma: Add ACPI support for X-Gene DMA engine driver | From | Rameshwar Sahu <> |
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Hi Arnd,
On Wed, Jul 29, 2015 at 8:04 PM, Arnd Bergmann <arnd@arndb.de> wrote: > On Tuesday 21 July 2015 18:44:39 Rameshwar Prasad Sahu wrote: >> This patch adds ACPI support for the APM X-Gene DMA engine driver. >> >> Signed-off-by: Rameshwar Prasad Sahu <rsahu@apm.com> >> > > How does a slave driver refer to a channel in case of ACPI?
We don't support slave dma here. This driver supports only memcp, xor, pq, scatter-gather offloading, so, client driver can use linux dmaengine APIs like dma_request_channel() etc to request channel.
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