From: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxx>
---
drivers/media/platform/rcar-fcp.c | 6 ++++++
include/media/rcar-fcp.h | 5 +++++
2 files changed, 11 insertions(+)
diff --git a/drivers/media/platform/rcar-fcp.c b/drivers/media/platform/rcar-fcp.c
index e9f609e..2988031 100644
--- a/drivers/media/platform/rcar-fcp.c
+++ b/drivers/media/platform/rcar-fcp.c
@@ -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
diff --git a/include/media/rcar-fcp.h b/include/media/rcar-fcp.h
index 8723f05..b60a7b1 100644
--- a/include/media/rcar-fcp.h
+++ b/include/media/rcar-fcp.h
@@ -19,6 +19,7 @@ struct rcar_fcp_device;
#if IS_ENABLED(CONFIG_VIDEO_RENESAS_FCP)
struct rcar_fcp_device *rcar_fcp_get(const struct device_node *np);
void rcar_fcp_put(struct rcar_fcp_device *fcp);
+struct device *rcar_fcp_get_device(struct rcar_fcp_device *fcp);
int rcar_fcp_enable(struct rcar_fcp_device *fcp);
void rcar_fcp_disable(struct rcar_fcp_device *fcp);
#else
@@ -27,6 +28,10 @@ static inline struct rcar_fcp_device *rcar_fcp_get(const struct device_node *np)
return ERR_PTR(-ENOENT);
}
static inline void rcar_fcp_put(struct rcar_fcp_device *fcp) { }
+static inline struct device *rcar_fcp_get_device(struct rcar_fcp_device *fcp)
+{
+ return NULL;
+}
static inline int rcar_fcp_enable(struct rcar_fcp_device *fcp)
{
return 0;
--
2.7.4
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