From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> To: Rob Herring <robh+dt@kernel.org>, Mark Brown <broonie@linaro.org>, Mark Brown <broonie@kernel.org>, Laurent <laurent.pinchart@ideasonboard.com>, Guennadi <g.liakhovetski@gmx.de>, Grant Likely <grant.likely@linaro.org>, Frank Rowand <frowand.list@gmail.com> Cc: Linux-Kernel <linux-kernel@vger.kernel.org>, Linux-DT <devicetree@vger.kernel.org>, Linux-ALSA <alsa-devel@alsa-project.org> Subject: [PATCH 4/7] of_graph: add of_graph_get_endpoint_count() Date: Fri, 24 Jun 2016 02:33:20 +0000 [thread overview] Message-ID: <87a8ibxqy6.wl%kuninori.morimoto.gx@renesas.com> (raw) In-Reply-To: <87fus3xr2q.wl%kuninori.morimoto.gx@renesas.com> From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> OF graph want to count its endpoint number, same as of_get_child_count(). This patch adds of_graph_get_endpoint_count() which can check specific type. It will count all endpoint if type was NULL. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> --- drivers/of/base.c | 16 ++++++++++++++++ include/linux/of_graph.h | 8 ++++++++ 2 files changed, 24 insertions(+) diff --git a/drivers/of/base.c b/drivers/of/base.c index a0fc63c..a39d470 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -2430,3 +2430,19 @@ bool of_graph_endpoint_type_is(struct device_node *ep, char *type) return of_graph_port_type_is(of_get_parent(ep), type); } EXPORT_SYMBOL(of_graph_endpoint_type_is); + +int of_graph_get_endpoint_count(const struct device_node *np, char *type) +{ + struct device_node *child; + int num = 0; + + for_each_endpoint_of_node(np, child) { + if (!type) + num++; + else + num += of_graph_endpoint_type_is(child, type); + } + + return num; +} +EXPORT_SYMBOL(of_graph_get_endpoint_count); diff --git a/include/linux/of_graph.h b/include/linux/of_graph.h index 1750d5c..86baae5 100644 --- a/include/linux/of_graph.h +++ b/include/linux/of_graph.h @@ -42,12 +42,14 @@ struct of_endpoint { #define of_graph_port_type_is_sound(n) of_graph_port_type_is(n, "sound") #define of_graph_endpoint_type_is_sound(n) of_graph_endpoint_type_is(n, "sound") +#define of_graph_get_sound_endpoint_count(n) of_graph_get_endpoint_count(n, "sound") #ifdef CONFIG_OF int of_graph_parse_endpoint(const struct device_node *node, struct of_endpoint *endpoint); bool of_graph_port_type_is(struct device_node *port, char *type); bool of_graph_endpoint_type_is(struct device_node *ep, char *type); +int of_graph_get_endpoint_count(const struct device_node *np, char *type); struct device_node *of_graph_get_port_by_id(struct device_node *node, u32 id); struct device_node *of_graph_get_next_endpoint(const struct device_node *parent, struct device_node *previous); @@ -76,6 +78,12 @@ static bool of_graph_endpoint_type_is(struct device_node *ep, char *type) return false; } +static inline int of_graph_get_endpoint_count(const struct device_node *np, + char *type) +{ + return 0; +} + static inline struct device_node *of_graph_get_port_by_id( struct device_node *node, u32 id) { -- 1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: Kuninori Morimoto <kuninori.morimoto.gx-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org> To: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Mark Brown <broonie-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Laurent <laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>, Guennadi <g.liakhovetski-Mmb7MZpHnFY@public.gmane.org>, Grant Likely <grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, Frank Rowand <frowand.list-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Cc: Linux-Kernel <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Linux-DT <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Linux-ALSA <alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org> Subject: [PATCH 4/7] of_graph: add of_graph_get_endpoint_count() Date: Fri, 24 Jun 2016 02:33:20 +0000 [thread overview] Message-ID: <87a8ibxqy6.wl%kuninori.morimoto.gx@renesas.com> (raw) In-Reply-To: <87fus3xr2q.wl%kuninori.morimoto.gx-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org> From: Kuninori Morimoto <kuninori.morimoto.gx-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org> OF graph want to count its endpoint number, same as of_get_child_count(). This patch adds of_graph_get_endpoint_count() which can check specific type. It will count all endpoint if type was NULL. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org> --- drivers/of/base.c | 16 ++++++++++++++++ include/linux/of_graph.h | 8 ++++++++ 2 files changed, 24 insertions(+) diff --git a/drivers/of/base.c b/drivers/of/base.c index a0fc63c..a39d470 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -2430,3 +2430,19 @@ bool of_graph_endpoint_type_is(struct device_node *ep, char *type) return of_graph_port_type_is(of_get_parent(ep), type); } EXPORT_SYMBOL(of_graph_endpoint_type_is); + +int of_graph_get_endpoint_count(const struct device_node *np, char *type) +{ + struct device_node *child; + int num = 0; + + for_each_endpoint_of_node(np, child) { + if (!type) + num++; + else + num += of_graph_endpoint_type_is(child, type); + } + + return num; +} +EXPORT_SYMBOL(of_graph_get_endpoint_count); diff --git a/include/linux/of_graph.h b/include/linux/of_graph.h index 1750d5c..86baae5 100644 --- a/include/linux/of_graph.h +++ b/include/linux/of_graph.h @@ -42,12 +42,14 @@ struct of_endpoint { #define of_graph_port_type_is_sound(n) of_graph_port_type_is(n, "sound") #define of_graph_endpoint_type_is_sound(n) of_graph_endpoint_type_is(n, "sound") +#define of_graph_get_sound_endpoint_count(n) of_graph_get_endpoint_count(n, "sound") #ifdef CONFIG_OF int of_graph_parse_endpoint(const struct device_node *node, struct of_endpoint *endpoint); bool of_graph_port_type_is(struct device_node *port, char *type); bool of_graph_endpoint_type_is(struct device_node *ep, char *type); +int of_graph_get_endpoint_count(const struct device_node *np, char *type); struct device_node *of_graph_get_port_by_id(struct device_node *node, u32 id); struct device_node *of_graph_get_next_endpoint(const struct device_node *parent, struct device_node *previous); @@ -76,6 +78,12 @@ static bool of_graph_endpoint_type_is(struct device_node *ep, char *type) return false; } +static inline int of_graph_get_endpoint_count(const struct device_node *np, + char *type) +{ + return 0; +} + static inline struct device_node *of_graph_get_port_by_id( struct device_node *node, u32 id) { -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2016-06-24 2:33 UTC|newest] Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-06-24 2:30 [PATCH 0/7] of_graph: prepare for ALSA graph support Kuninori Morimoto 2016-06-24 2:32 ` [PATCH 1/7] Documentation: of: add type property Kuninori Morimoto 2016-06-24 2:32 ` Kuninori Morimoto 2016-06-24 17:41 ` Rob Herring 2016-06-27 0:09 ` Kuninori Morimoto 2016-06-27 0:09 ` Kuninori Morimoto 2016-06-27 1:14 ` [alsa-devel] " Kuninori Morimoto 2016-06-27 1:14 ` Kuninori Morimoto 2016-06-24 2:32 ` [PATCH 2/7] of_graph: add of_graph_get_remote_endpoint() Kuninori Morimoto 2017-05-17 9:53 ` Applied "of_graph: add of_graph_get_remote_endpoint()" to the asoc tree Mark Brown 2017-05-17 9:53 ` Mark Brown 2016-06-24 2:32 ` [PATCH 3/7] of_graph: add of_graph_port/endpoint_type_is() Kuninori Morimoto 2016-06-24 2:32 ` Kuninori Morimoto 2016-06-24 2:33 ` Kuninori Morimoto [this message] 2016-06-24 2:33 ` [PATCH 4/7] of_graph: add of_graph_get_endpoint_count() Kuninori Morimoto 2016-06-24 2:33 ` [PATCH 5/7] of_graph: add of_graph_get_port_parent() Kuninori Morimoto 2016-06-24 2:33 ` Kuninori Morimoto 2017-05-17 9:53 ` Applied "of_graph: add of_graph_get_port_parent()" to the asoc tree Mark Brown 2017-05-17 9:53 ` Mark Brown 2016-06-24 2:33 ` [PATCH 6/7] of_graph: add of_graph_get_top_port() Kuninori Morimoto 2016-06-24 2:33 ` Kuninori Morimoto 2016-06-24 4:39 ` kbuild test robot 2016-06-24 9:22 ` Kuninori Morimoto 2016-06-24 9:22 ` Kuninori Morimoto 2016-06-24 2:34 ` [PATCH 7/7] of_graph: add for_each_of_port() / for_each_of_endpoint_in_port() Kuninori Morimoto 2016-06-24 2:34 ` Kuninori Morimoto
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