From: Alan Tull <atull@kernel.org> To: Moritz Fischer <mdf@kernel.org>, Rob Herring <robh+dt@kernel.org>, Frank Rowand <frowand.list@gmail.com>, Pantelis Antoniou <pantelis.antoniou@konsulko.com> Cc: Alan Tull <atull@kernel.org>, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fpga@vger.kernel.org Subject: [PATCH 2/2] of: dynamic: add overlay-allowed DT property Date: Mon, 4 Dec 2017 13:13:57 -0600 [thread overview] Message-ID: <20171204191357.3211-3-atull@kernel.org> (raw) In-Reply-To: <20171204191357.3211-1-atull@kernel.org> Allow DT nodes to be marked as valid targets for DT overlays by the added "overlay-allowed" property. Signed-off-by: Alan Tull <atull@kernel.org> --- drivers/of/base.c | 4 ++-- drivers/of/dynamic.c | 3 +++ drivers/of/fdt.c | 3 +++ drivers/of/of_private.h | 2 ++ 4 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/of/base.c b/drivers/of/base.c index 26618ba..ac6b326 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -116,8 +116,8 @@ void __init of_core_init(void) proc_symlink("device-tree", NULL, "/sys/firmware/devicetree/base"); } -static struct property *__of_find_property(const struct device_node *np, - const char *name, int *lenp) +struct property *__of_find_property(const struct device_node *np, + const char *name, int *lenp) { struct property *pp; diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c index ab988d8..fae9b85 100644 --- a/drivers/of/dynamic.c +++ b/drivers/of/dynamic.c @@ -207,6 +207,9 @@ static void __of_attach_node(struct device_node *np) np->name = __of_get_property(np, "name", NULL) ? : "<NULL>"; np->type = __of_get_property(np, "device_type", NULL) ? : "<NULL>"; + if (__of_find_property(np, "overlay-allowed", NULL)) + of_node_set_flag(np, OF_OVERLAY_ENABLED); + phandle = __of_get_property(np, "phandle", &sz); if (!phandle) phandle = __of_get_property(np, "linux,phandle", &sz); diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 4675e5a..9237f30 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -323,6 +323,9 @@ static bool populate_node(const void *blob, np->name = "<NULL>"; if (!np->type) np->type = "<NULL>"; + + if (of_find_property(np, "overlay-allowed", NULL)) + of_node_set_flag(np, OF_OVERLAY_ENABLED); } *pnp = np; diff --git a/drivers/of/of_private.h b/drivers/of/of_private.h index 92a9a36..75fcba3 100644 --- a/drivers/of/of_private.h +++ b/drivers/of/of_private.h @@ -115,6 +115,8 @@ struct device_node *__of_find_node_by_path(struct device_node *parent, struct device_node *__of_find_node_by_full_path(struct device_node *node, const char *path); +extern struct property *__of_find_property(const struct device_node *np, + const char *name, int *lenp); extern const void *__of_get_property(const struct device_node *np, const char *name, int *lenp); extern int __of_add_property(struct device_node *np, struct property *prop); -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Alan Tull <atull-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> To: Moritz Fischer <mdf-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Frank Rowand <frowand.list-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Pantelis Antoniou <pantelis.antoniou-OWPKS81ov/FWk0Htik3J/w@public.gmane.org> Cc: Alan Tull <atull-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-fpga-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Subject: [PATCH 2/2] of: dynamic: add overlay-allowed DT property Date: Mon, 4 Dec 2017 13:13:57 -0600 [thread overview] Message-ID: <20171204191357.3211-3-atull@kernel.org> (raw) In-Reply-To: <20171204191357.3211-1-atull-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> Allow DT nodes to be marked as valid targets for DT overlays by the added "overlay-allowed" property. Signed-off-by: Alan Tull <atull-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> --- drivers/of/base.c | 4 ++-- drivers/of/dynamic.c | 3 +++ drivers/of/fdt.c | 3 +++ drivers/of/of_private.h | 2 ++ 4 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/of/base.c b/drivers/of/base.c index 26618ba..ac6b326 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -116,8 +116,8 @@ void __init of_core_init(void) proc_symlink("device-tree", NULL, "/sys/firmware/devicetree/base"); } -static struct property *__of_find_property(const struct device_node *np, - const char *name, int *lenp) +struct property *__of_find_property(const struct device_node *np, + const char *name, int *lenp) { struct property *pp; diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c index ab988d8..fae9b85 100644 --- a/drivers/of/dynamic.c +++ b/drivers/of/dynamic.c @@ -207,6 +207,9 @@ static void __of_attach_node(struct device_node *np) np->name = __of_get_property(np, "name", NULL) ? : "<NULL>"; np->type = __of_get_property(np, "device_type", NULL) ? : "<NULL>"; + if (__of_find_property(np, "overlay-allowed", NULL)) + of_node_set_flag(np, OF_OVERLAY_ENABLED); + phandle = __of_get_property(np, "phandle", &sz); if (!phandle) phandle = __of_get_property(np, "linux,phandle", &sz); diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 4675e5a..9237f30 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -323,6 +323,9 @@ static bool populate_node(const void *blob, np->name = "<NULL>"; if (!np->type) np->type = "<NULL>"; + + if (of_find_property(np, "overlay-allowed", NULL)) + of_node_set_flag(np, OF_OVERLAY_ENABLED); } *pnp = np; diff --git a/drivers/of/of_private.h b/drivers/of/of_private.h index 92a9a36..75fcba3 100644 --- a/drivers/of/of_private.h +++ b/drivers/of/of_private.h @@ -115,6 +115,8 @@ struct device_node *__of_find_node_by_path(struct device_node *parent, struct device_node *__of_find_node_by_full_path(struct device_node *node, const char *path); +extern struct property *__of_find_property(const struct device_node *np, + const char *name, int *lenp); extern const void *__of_get_property(const struct device_node *np, const char *name, int *lenp); extern int __of_add_property(struct device_node *np, struct property *prop); -- 2.7.4 -- 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:[~2017-12-04 19:14 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-12-04 19:13 [PATCH 0/2] of: dynamic: restrict overlay by targets Alan Tull 2017-12-04 19:13 ` [PATCH 1/2] of: overlay: add flag enabling overlays and enable fpga-region overlays Alan Tull 2017-12-04 19:13 ` Alan Tull 2017-12-04 19:13 ` Alan Tull [this message] 2017-12-04 19:13 ` [PATCH 2/2] of: dynamic: add overlay-allowed DT property Alan Tull 2017-12-04 20:04 ` Rob Herring 2017-12-04 20:04 ` Rob Herring 2017-12-04 20:12 ` Alan Tull 2017-12-04 20:12 ` Alan Tull 2017-12-04 19:18 ` [PATCH 0/2] of: dynamic: restrict overlay by targets Moritz Fischer 2017-12-04 19:18 ` Moritz Fischer 2017-12-04 19:20 ` Moritz Fischer 2017-12-05 1:14 ` Frank Rowand 2017-12-05 17:07 ` Alan Tull 2017-12-06 11:58 ` Frank Rowand 2017-12-06 11:58 ` Frank Rowand
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=20171204191357.3211-3-atull@kernel.org \ --to=atull@kernel.org \ --cc=devicetree@vger.kernel.org \ --cc=frowand.list@gmail.com \ --cc=linux-fpga@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=mdf@kernel.org \ --cc=pantelis.antoniou@konsulko.com \ --cc=robh+dt@kernel.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.