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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 Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Vinod Koul <vinod.koul@intel.com> |
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| .. | ||
| Kconfig | ||
| Makefile | ||
| rcar-dmac.c | ||
| shdma-arm.h | ||
| shdma-base.c | ||
| shdma-of.c | ||
| shdma-r8a73a4.c | ||
| shdma.h | ||
| shdmac.c | ||
| sudmac.c | ||
| usb-dmac.c | ||