From: Zhou Zhu <zzhu3-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org> To: linux-fbdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Tomi Valkeinen <tomi.valkeinen-l0cyMroinI0@public.gmane.org>, Jean-Christophe Plagniol-Villard <plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org>, Haojian Zhuang <haojian.zhuang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Sascha Hauer <s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>, Jingoo Han <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Chao Xie <chao.xie-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>, Guoqing Li <ligq-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>, Zhou Zhu <zzhu3-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org> Subject: [PATCH v2 3/4] video: mmp: add devm_mmp_get_path_by_phandle for DT Date: Tue, 14 Jan 2014 19:16:23 +0800 [thread overview] Message-ID: <1389698184-28761-4-git-send-email-zzhu3@marvell.com> (raw) In-Reply-To: <1389698184-28761-1-git-send-email-zzhu3-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org> add devm_mmp_get_path_by_phandle to replace mmp_get_path for DT usage Signed-off-by: Zhou Zhu <zzhu3-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org> --- drivers/video/mmp/core.c | 35 +++++++++++++++++++++++++++++++++++ include/video/mmp_disp.h | 2 ++ 2 files changed, 37 insertions(+) diff --git a/drivers/video/mmp/core.c b/drivers/video/mmp/core.c index b563b92..0538458 100644 --- a/drivers/video/mmp/core.c +++ b/drivers/video/mmp/core.c @@ -23,6 +23,7 @@ #include <linux/slab.h> #include <linux/dma-mapping.h> #include <linux/export.h> +#include <linux/of.h> #include <video/mmp_disp.h> static struct mmp_overlay *path_get_overlay(struct mmp_path *path, @@ -156,6 +157,40 @@ struct mmp_path *mmp_get_path(const char *name) EXPORT_SYMBOL_GPL(mmp_get_path); /* + * devm_mmp_get_path_by_phandle - get path by phandle + * @dev: device that want to get path + * @phandle: name of phandle in device node that want to get path + * + * this function gets path according to node pointed by phandle + * return NULL if no matching path + */ +struct mmp_path *devm_mmp_get_path_by_phandle(struct device *dev, + const char *phandle) +{ + struct mmp_path *path; + struct device_node *node; + + if (!dev->of_node) { + dev_err(dev, "device does not have a device node entry\n"); + return NULL; + } + + node = of_parse_phandle(dev->of_node, phandle, 0); + if (!node) { + dev_err(dev, "failed to get %s phandle in %s node\n", phandle, + dev->of_node->name); + return NULL; + } + + path = mmp_get_path(node->name); + + of_node_put(node); + + return path; +} +EXPORT_SYMBOL_GPL(devm_mmp_get_path_by_phandle); + +/* * mmp_register_path - init and register path by path_info * @p: path info provided by display controller * diff --git a/include/video/mmp_disp.h b/include/video/mmp_disp.h index 05a3a60..63138b8 100644 --- a/include/video/mmp_disp.h +++ b/include/video/mmp_disp.h @@ -248,6 +248,8 @@ struct mmp_path { }; extern struct mmp_path *mmp_get_path(const char *name); +struct mmp_path *devm_mmp_get_path_by_phandle(struct device *dev, + const char *phandle); static inline void mmp_path_set_mode(struct mmp_path *path, struct mmp_mode *mode) { -- 1.7.9.5 -- 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
WARNING: multiple messages have this Message-ID (diff)
From: Zhou Zhu <zzhu3@marvell.com> To: linux-fbdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Tomi Valkeinen <tomi.valkeinen-l0cyMroinI0@public.gmane.org>, Jean-Christophe Plagniol-Villard <plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org>, Haojian Zhuang <haojian.zhuang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Sascha Hauer <s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>, Jingoo Han <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Chao Xie <chao.xie-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>, Guoqing Li <ligq-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>, Zhou Zhu <zzhu3-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org> Subject: [PATCH v2 3/4] video: mmp: add devm_mmp_get_path_by_phandle for DT Date: Tue, 14 Jan 2014 11:16:23 +0000 [thread overview] Message-ID: <1389698184-28761-4-git-send-email-zzhu3@marvell.com> (raw) In-Reply-To: <1389698184-28761-1-git-send-email-zzhu3-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org> add devm_mmp_get_path_by_phandle to replace mmp_get_path for DT usage Signed-off-by: Zhou Zhu <zzhu3@marvell.com> --- drivers/video/mmp/core.c | 35 +++++++++++++++++++++++++++++++++++ include/video/mmp_disp.h | 2 ++ 2 files changed, 37 insertions(+) diff --git a/drivers/video/mmp/core.c b/drivers/video/mmp/core.c index b563b92..0538458 100644 --- a/drivers/video/mmp/core.c +++ b/drivers/video/mmp/core.c @@ -23,6 +23,7 @@ #include <linux/slab.h> #include <linux/dma-mapping.h> #include <linux/export.h> +#include <linux/of.h> #include <video/mmp_disp.h> static struct mmp_overlay *path_get_overlay(struct mmp_path *path, @@ -156,6 +157,40 @@ struct mmp_path *mmp_get_path(const char *name) EXPORT_SYMBOL_GPL(mmp_get_path); /* + * devm_mmp_get_path_by_phandle - get path by phandle + * @dev: device that want to get path + * @phandle: name of phandle in device node that want to get path + * + * this function gets path according to node pointed by phandle + * return NULL if no matching path + */ +struct mmp_path *devm_mmp_get_path_by_phandle(struct device *dev, + const char *phandle) +{ + struct mmp_path *path; + struct device_node *node; + + if (!dev->of_node) { + dev_err(dev, "device does not have a device node entry\n"); + return NULL; + } + + node = of_parse_phandle(dev->of_node, phandle, 0); + if (!node) { + dev_err(dev, "failed to get %s phandle in %s node\n", phandle, + dev->of_node->name); + return NULL; + } + + path = mmp_get_path(node->name); + + of_node_put(node); + + return path; +} +EXPORT_SYMBOL_GPL(devm_mmp_get_path_by_phandle); + +/* * mmp_register_path - init and register path by path_info * @p: path info provided by display controller * diff --git a/include/video/mmp_disp.h b/include/video/mmp_disp.h index 05a3a60..63138b8 100644 --- a/include/video/mmp_disp.h +++ b/include/video/mmp_disp.h @@ -248,6 +248,8 @@ struct mmp_path { }; extern struct mmp_path *mmp_get_path(const char *name); +struct mmp_path *devm_mmp_get_path_by_phandle(struct device *dev, + const char *phandle); static inline void mmp_path_set_mode(struct mmp_path *path, struct mmp_mode *mode) { -- 1.7.9.5
next prev parent reply other threads:[~2014-01-14 11:16 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-01-14 11:16 [PATCH v2 0/4] video: mmp: add device tree suppport Zhou Zhu 2014-01-14 11:16 ` Zhou Zhu [not found] ` <1389698184-28761-1-git-send-email-zzhu3-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org> 2014-01-14 11:16 ` [PATCH v2 1/4] arm: mmp: remove not used disp clk_name in ttc_dkb Zhou Zhu 2014-01-14 11:16 ` Zhou Zhu 2014-01-14 11:16 ` [PATCH v2 2/4] video: mmp: no need to get clk_name from mach_info Zhou Zhu 2014-01-14 11:16 ` Zhou Zhu 2014-01-14 11:16 ` Zhou Zhu [this message] 2014-01-14 11:16 ` [PATCH v2 3/4] video: mmp: add devm_mmp_get_path_by_phandle for DT Zhou Zhu [not found] ` <1389698184-28761-4-git-send-email-zzhu3-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org> 2014-02-10 12:32 ` Tomi Valkeinen 2014-02-10 12:32 ` Tomi Valkeinen [not found] ` <52F8C6F6.5000200-l0cyMroinI0@public.gmane.org> 2014-02-11 1:03 ` Zhou Zhu 2014-02-11 1:03 ` Zhou Zhu 2014-01-14 11:16 ` [PATCH v2 4/4] video: mmp: add device tree support Zhou Zhu 2014-01-14 11:16 ` Zhou Zhu [not found] ` <1389698184-28761-5-git-send-email-zzhu3-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org> 2014-02-10 12:43 ` Tomi Valkeinen 2014-02-10 12:43 ` Tomi Valkeinen [not found] ` <52F8C96F.7050107-l0cyMroinI0@public.gmane.org> 2014-02-11 3:27 ` Zhou Zhu 2014-02-11 3:27 ` Zhou Zhu [not found] ` <52F998B7.7060203-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org> 2014-02-12 10:11 ` Tomi Valkeinen 2014-02-12 10:11 ` Tomi Valkeinen 2014-02-17 14:37 ` Mark Rutland 2014-02-17 14:37 ` Mark Rutland [not found] ` <20140217143736.GC19308-NuALmloUBlrZROr8t4l/smS4ubULX0JqMm0uRHvK7Nw@public.gmane.org> 2014-03-04 11:28 ` Zhou Zhu 2014-03-04 11:28 ` Zhou Zhu [not found] ` <CAJATT-5sQc7vsUhoFKdDnstqjj2R_yQ+Wk1NRf20UTM4-ndMSA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2014-03-05 9:33 ` Tomi Valkeinen 2014-03-05 9:33 ` Tomi Valkeinen [not found] ` <5316EF76.1050304-l0cyMroinI0@public.gmane.org> 2014-03-14 10:43 ` Zhou Zhu 2014-03-14 10:43 ` Zhou Zhu 2014-01-20 1:58 ` [PATCH v2 0/4] video: mmp: add device tree suppport Zhou Zhu 2014-01-20 1:58 ` Zhou Zhu
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=1389698184-28761-4-git-send-email-zzhu3@marvell.com \ --to=zzhu3-eyqppykdwxrbdgjk7y7tuq@public.gmane.org \ --cc=chao.xie-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org \ --cc=devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \ --cc=haojian.zhuang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \ --cc=jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org \ --cc=ligq-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org \ --cc=linux-fbdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \ --cc=plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org \ --cc=s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org \ --cc=tomi.valkeinen-l0cyMroinI0@public.gmane.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.