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v4l: rcar-fcp: Add an API to retrieve the FCP device

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The new rcar_fcp_get_device() function retrieves the struct device
related to the FCP device. This is useful to handle DMA mapping through
the right device.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Acked-by: Mauro Cavalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Laurent Pinchart
2017-05-17 02:20:04 +03:00
committed by Kieran Bingham
parent 8c71a1a318
commit 02533540ef
2 changed files with 11 additions and 0 deletions
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6
drivers/media/platform/rcar-fcp.c
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@@ -78,6 +78,12 @@ void rcar_fcp_put(struct rcar_fcp_device *fcp)
}
EXPORT_SYMBOL_GPL(rcar_fcp_put);
struct device *rcar_fcp_get_device(struct rcar_fcp_device *fcp)
{
return fcp->dev;
}
EXPORT_SYMBOL_GPL(rcar_fcp_get_device);
/**
* rcar_fcp_enable - Enable an FCP
* @fcp: The FCP instance