From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> To: linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org Subject: [PATCH 4/6] v4l: rcar-fcp: Add an API to retrieve the FCP device Date: Fri, 19 Aug 2016 11:39:32 +0300 [thread overview] Message-ID: <1471595974-28960-5-git-send-email-laurent.pinchart+renesas@ideasonboard.com> (raw) In-Reply-To: <1471595974-28960-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> 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> --- 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 7427be1c3741..60e7ec17d4e2 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 8723f05c6321..b60a7b176c37 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; -- Regards, Laurent Pinchart
WARNING: multiple messages have this Message-ID (diff)
From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> To: linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org Subject: [PATCH 4/6] v4l: rcar-fcp: Add an API to retrieve the FCP device Date: Fri, 19 Aug 2016 11:39:32 +0300 [thread overview] Message-ID: <1471595974-28960-5-git-send-email-laurent.pinchart+renesas@ideasonboard.com> (raw) In-Reply-To: <1471595974-28960-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> 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> --- 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 7427be1c3741..60e7ec17d4e2 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 8723f05c6321..b60a7b176c37 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; -- Regards, Laurent Pinchart _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2016-08-19 8:39 UTC|newest] Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-08-19 8:39 [PATCH 0/6] R-Car DU: Fix IOMMU operation when connected to VSP Laurent Pinchart 2016-08-19 8:39 ` Laurent Pinchart 2016-08-19 8:39 ` [PATCH 1/6] drm: Don't implement empty prepare_fb()/cleanup_fb() Laurent Pinchart 2016-08-19 8:39 ` Laurent Pinchart 2016-08-19 8:59 ` Daniel Vetter 2016-08-19 8:59 ` Daniel Vetter 2016-08-19 8:39 ` [PATCH 2/6] drm: Unconstify state argument to prepare_fb()/cleanup_fb() Laurent Pinchart 2016-08-19 8:39 ` Laurent Pinchart 2016-08-19 8:39 ` [PATCH 3/6] v4l: rcar-fcp: Don't get/put module reference Laurent Pinchart 2016-08-19 8:39 ` Laurent Pinchart 2016-08-19 8:44 ` Geert Uytterhoeven 2016-08-19 8:44 ` Geert Uytterhoeven 2016-08-19 8:39 ` Laurent Pinchart [this message] 2016-08-19 8:39 ` [PATCH 4/6] v4l: rcar-fcp: Add an API to retrieve the FCP device Laurent Pinchart 2016-08-19 8:39 ` [PATCH 5/6] v4l: vsp1: Add API to map and unmap DRM buffers through the VSP Laurent Pinchart 2016-08-19 8:39 ` Laurent Pinchart 2016-08-19 8:39 ` [PATCH 6/6] drm: rcar-du: Map memory through the VSP device Laurent Pinchart 2016-08-19 8:39 ` Laurent Pinchart 2016-09-07 8:01 ` [PATCH 0/6] R-Car DU: Fix IOMMU operation when connected to VSP Magnus Damm 2016-09-07 8:01 ` Magnus Damm 2017-05-14 17:01 ` Laurent Pinchart 2017-05-14 17:01 ` Laurent Pinchart 2017-01-10 10:09 ` Geert Uytterhoeven
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