From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753971AbcK1Cpt (ORCPT ); Sun, 27 Nov 2016 21:45:49 -0500 Received: from relmlor3.renesas.com ([210.160.252.173]:35010 "EHLO relmlie2.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754091AbcK1Cpe (ORCPT ); Sun, 27 Nov 2016 21:45:34 -0500 X-IronPort-AV: E=Sophos;i="5.31,561,1473087600"; d="scan'";a="226430523" Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=kuninori.morimoto.gx@renesas.com; Message-ID: <87fumcwcg1.wl%kuninori.morimoto.gx@renesas.com> From: Kuninori Morimoto Subject: [PATCH v5 03/14] of_graph: add of_graph_port_type_is() User-Agent: Wanderlust/2.15.9 Emacs/24.3 Mule/6.0 To: Rob Herring , Mark Brown CC: Linux-ALSA , Liam Girdwood , Simon , Laurent , Guennadi , Grant Likely , Frank Rowand , Linux-DT , Linux-Kernel In-Reply-To: <87k2bowckx.wl%kuninori.morimoto.gx@renesas.com> References: <87k2bowckx.wl%kuninori.morimoto.gx@renesas.com> MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; 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But it doesn't support type of each port. For example HDMI case, it has video port and sound port in one device node. In this case, current driver can't handle each port correctly. This patch adds of_graph_port_type_is() for it, and adds of_graph_port_type_is_sound macro Signed-off-by: Kuninori Morimoto --- drivers/of/base.c | 14 ++++++++++++++ include/linux/of_graph.h | 8 ++++++++ 2 files changed, 22 insertions(+) diff --git a/drivers/of/base.c b/drivers/of/base.c index fed109d..d6237ba 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -2480,3 +2480,17 @@ struct device_node *of_graph_get_remote_port(const struct device_node *node) return of_get_next_parent(np); } EXPORT_SYMBOL(of_graph_get_remote_port); + +bool of_graph_port_type_is(struct device_node *port, char *type) +{ + const char *prop = NULL; + + of_property_read_string(port, "type", &prop); + + if (prop && + strcmp(prop, type) == 0) + return true; + + return false; +} +EXPORT_SYMBOL(of_graph_port_type_is); diff --git a/include/linux/of_graph.h b/include/linux/of_graph.h index d9d6d9c..0a06441 100644 --- a/include/linux/of_graph.h +++ b/include/linux/of_graph.h @@ -40,9 +40,12 @@ struct of_endpoint { for (child = of_graph_get_next_endpoint(parent, NULL); child != NULL; \ child = of_graph_get_next_endpoint(parent, child)) +#define of_graph_port_type_is_sound(n) of_graph_port_type_is(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); 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); @@ -61,6 +64,11 @@ static inline int of_graph_parse_endpoint(const struct device_node *node, return -ENOSYS; } +static bool of_graph_port_type_is(struct device_node *port, char *type) +{ + return false; +} + static inline struct device_node *of_graph_get_port_by_id( struct device_node *node, u32 id) { -- 1.9.1