dmaengine: rcar-dmac: Add helpers for clearing DMA channel status

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Extract the code to clear the status of one or all channels into their
own helpers, to prepare for the different handling of the R-Car V3U SoC.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20210128084455.2237256-4-geert+renesas@glider.be
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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Geert Uytterhoeven 2021-01-28 09:44:54 +01:00 • committed by Vinod Koul

parent d249b5fb37

commit 245bbd16b7

1 changed files with 13 additions and 2 deletions

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15

drivers/dma/sh/rcar-dmac.c

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