From: Alexandre Torgue <alexandre.torgue@st.com>
To: <robh+dt@kernel.org>, Frank Rowand <frowand.list@gmail.com>,
Masahiro Yamada <masahiroy@kernel.org>,
Michal Marek <michal.lkml@markovi.net>,
<david@gibson.dropbear.id.au>, <sjg@chromium.org>
Cc: <devicetree@vger.kernel.org>,
Alexandre Torgue <alexandre.torgue@st.com>,
<linux-kernel@vger.kernel.org>, <linux-kbuild@vger.kernel.org>,
<devicetree-compiler@vger.kernel.org>,
Ian Lepore <ian@freebsd.org>
Subject: [RFC PATCH v2 2/4] of: fdt: print dtb build information
Date: Fri, 21 Feb 2020 17:14:16 +0100 [thread overview]
Message-ID: <20200221161418.20225-3-alexandre.torgue@st.com> (raw)
In-Reply-To: <20200221161418.20225-1-alexandre.torgue@st.com>
This commit prints out DTB build information (build time, dts source
version used, ...) if "Build-info" property exists in DTB root node.
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 2cdf64d2456f..aa5989039746 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -1224,9 +1224,18 @@ bool __init early_init_dt_scan(void *params)
*/
void __init unflatten_device_tree(void)
{
+ const char *build_info;
+ unsigned long dt_root;
+
__unflatten_device_tree(initial_boot_params, NULL, &of_root,
early_init_dt_alloc_memory_arch, false);
+ /* If available, provide dtb build information */
+ dt_root = of_get_flat_dt_root();
+ build_info = of_get_flat_dt_prop(dt_root, "build-info", NULL);
+ if (build_info)
+ pr_info("%s\n", build_info);
+
/* Get pointer to "/chosen" and "/aliases" nodes for use everywhere */
of_alias_scan(early_init_dt_alloc_memory_arch);
--
2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Alexandre Torgue <alexandre.torgue@st.com>
To: robh+dt@kernel.org, Frank Rowand <frowand.list@gmail.com>,
Masahiro Yamada <masahiroy@kernel.org>,
Michal Marek <michal.lkml@markovi.net>,
david@gibson.dropbear.id.au, sjg@chromium.org
Cc: devicetree@vger.kernel.org,
Alexandre Torgue <alexandre.torgue@st.com>,
linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org,
devicetree-compiler@vger.kernel.org, Ian Lepore <ian@freebsd.org>
Subject: [RFC PATCH v2 2/4] of: fdt: print dtb build information
Date: Fri, 21 Feb 2020 17:14:16 +0100 [thread overview]
Message-ID: <20200221161418.20225-3-alexandre.torgue@st.com> (raw)
In-Reply-To: <20200221161418.20225-1-alexandre.torgue@st.com>
This commit prints out DTB build information (build time, dts source
version used, ...) if "Build-info" property exists in DTB root node.
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 2cdf64d2456f..aa5989039746 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -1224,9 +1224,18 @@ bool __init early_init_dt_scan(void *params)
*/
void __init unflatten_device_tree(void)
{
+ const char *build_info;
+ unsigned long dt_root;
+
__unflatten_device_tree(initial_boot_params, NULL, &of_root,
early_init_dt_alloc_memory_arch, false);
+ /* If available, provide dtb build information */
+ dt_root = of_get_flat_dt_root();
+ build_info = of_get_flat_dt_prop(dt_root, "build-info", NULL);
+ if (build_info)
+ pr_info("%s\n", build_info);
+
/* Get pointer to "/chosen" and "/aliases" nodes for use everywhere */
of_alias_scan(early_init_dt_alloc_memory_arch);
--
2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Alexandre Torgue <alexandre.torgue-qxv4g6HH51o@public.gmane.org>
To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
Frank Rowand
<frowand.list-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Masahiro Yamada
<masahiroy-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Michal Marek
<michal.lkml-yyZNWGI4GtDR7s880joybQ@public.gmane.org>,
david-xT8FGy+AXnRB3Ne2BGzF6laj5H9X9Tb+@public.gmane.org,
sjg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Alexandre Torgue <alexandre.torgue-qxv4g6HH51o@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kbuild-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-compiler-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Ian Lepore <ian-h+KGxgPPiopAfugRpC6u6w@public.gmane.org>
Subject: [RFC PATCH v2 2/4] of: fdt: print dtb build information
Date: Fri, 21 Feb 2020 17:14:16 +0100 [thread overview]
Message-ID: <20200221161418.20225-3-alexandre.torgue@st.com> (raw)
In-Reply-To: <20200221161418.20225-1-alexandre.torgue-qxv4g6HH51o@public.gmane.org>
This commit prints out DTB build information (build time, dts source
version used, ...) if "Build-info" property exists in DTB root node.
Signed-off-by: Alexandre Torgue <alexandre.torgue-qxv4g6HH51o@public.gmane.org>
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 2cdf64d2456f..aa5989039746 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -1224,9 +1224,18 @@ bool __init early_init_dt_scan(void *params)
*/
void __init unflatten_device_tree(void)
{
+ const char *build_info;
+ unsigned long dt_root;
+
__unflatten_device_tree(initial_boot_params, NULL, &of_root,
early_init_dt_alloc_memory_arch, false);
+ /* If available, provide dtb build information */
+ dt_root = of_get_flat_dt_root();
+ build_info = of_get_flat_dt_prop(dt_root, "build-info", NULL);
+ if (build_info)
+ pr_info("%s\n", build_info);
+
/* Get pointer to "/chosen" and "/aliases" nodes for use everywhere */
of_alias_scan(early_init_dt_alloc_memory_arch);
--
2.17.1
next prev parent reply other threads:[~2020-02-21 16:14 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-21 16:14 [RFC PATCH v2 0/4] Add device tree build information Alexandre Torgue
2020-02-21 16:14 ` Alexandre Torgue
2020-02-21 16:14 ` [RFC PATCH v2 1/4] scripts: Add script to generate dtb " Alexandre Torgue
2020-02-21 16:14 ` Alexandre Torgue
2020-02-21 16:14 ` Alexandre Torgue
2020-02-21 17:52 ` Frank Rowand
2020-02-21 17:52 ` Frank Rowand
2020-02-21 19:38 ` Rob Herring
2020-02-21 19:38 ` Rob Herring
2020-03-02 12:40 ` Alexandre Torgue
2020-03-02 12:40 ` Alexandre Torgue
2020-02-23 21:59 ` David Gibson
2020-02-23 21:59 ` David Gibson
2020-02-24 0:57 ` Frank Rowand
2020-02-21 16:14 ` Alexandre Torgue [this message]
2020-02-21 16:14 ` [RFC PATCH v2 2/4] of: fdt: print " Alexandre Torgue
2020-02-21 16:14 ` Alexandre Torgue
2020-02-26 21:36 ` Rob Herring
2020-02-26 21:36 ` Rob Herring
2020-02-21 16:14 ` [RFC PATCH v2 3/4] ARM: dts: stm32: Add dtb build information entry for stm32mp157c-dk2 Alexandre Torgue
2020-02-21 16:14 ` Alexandre Torgue
2020-02-21 16:14 ` [RFC PATCH v2 4/4] script: make automatic dtb build info generation Alexandre Torgue
2020-02-21 16:14 ` Alexandre Torgue
2020-02-21 16:14 ` Alexandre Torgue
2020-02-21 17:59 ` Frank Rowand
2020-02-26 20:56 ` Rob Herring
2020-02-21 17:47 ` [RFC PATCH v2 0/4] Add device tree build information Frank Rowand
2020-02-21 17:47 ` Frank Rowand
2020-02-28 17:47 ` Frank Rowand
2020-03-02 12:55 ` Alexandre Torgue
2020-03-02 12:55 ` Alexandre Torgue
2020-03-31 1:03 ` Steve McIntyre
2020-03-31 1:03 ` Steve McIntyre
2020-03-31 15:00 ` Alexandre Torgue
2020-03-31 15:00 ` Alexandre Torgue
-- strict thread matches above, loose matches on Subject: below --
2020-02-21 16:12 [RFC PATCH v2 0/4] Alexandre Torgue
2020-02-21 16:12 ` [RFC PATCH v2 2/4] of: fdt: print dtb build information Alexandre Torgue
2020-02-21 16:12 ` Alexandre Torgue
2020-02-21 16:12 ` Alexandre Torgue
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