From: Guenter Roeck <linux@roeck-us.net>
To: Russell King <linux@arm.linux.org.uk>,
Catalin Marinas <catalin.marinas@arm.com>
Cc: Wolfram Sang <wsa@the-dreams.de>,
Geert Uytterhoeven <geert@linux-m68k.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Guenter Roeck <linux@roeck-us.net>
Subject: [PATCH 4/6] ARM: Register with kernel restart handler
Date: Fri, 8 Apr 2016 05:53:57 -0700 [thread overview]
Message-ID: <1460120039-2497-5-git-send-email-linux@roeck-us.net> (raw)
In-Reply-To: <1460120039-2497-1-git-send-email-linux@roeck-us.net>
By making use of the kernel restart handler, board specific restart
handlers can be prioritized amongst available mechanisms for a particular
board or system.
Select the default priority of 128 to indicate that the restart callback
in the machine description is the default restart mechanism.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
arch/arm/kernel/setup.c | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 139791ed473d..232dba199702 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -1002,6 +1002,20 @@ void __init hyp_mode_check(void)
#endif
}
+static void (*__arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
+
+static int arm_restart(struct notifier_block *nb, unsigned long action,
+ void *data)
+{
+ __arm_pm_restart(action, data);
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block arm_restart_nb = {
+ .notifier_call = arm_restart,
+ .priority = 128,
+};
+
void __init setup_arch(char **cmdline_p)
{
const struct machine_desc *mdesc;
@@ -1044,8 +1058,10 @@ void __init setup_arch(char **cmdline_p)
paging_init(mdesc);
request_standard_resources(mdesc);
- if (mdesc->restart)
- arm_pm_restart = mdesc->restart;
+ if (mdesc->restart) {
+ __arm_pm_restart = mdesc->restart;
+ register_restart_handler(&arm_restart_nb);
+ }
unflatten_device_tree();
--
2.5.0
next prev parent reply other threads:[~2016-04-08 12:54 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-08 12:53 [PATCH 0/6] ARM/ARM64: Drop arm_pm_restart Guenter Roeck
2016-04-08 12:53 ` [PATCH 1/6] ARM: prima2: Register with kernel restart handler Guenter Roeck
2016-04-08 12:53 ` [PATCH 2/6] ARM: xen: " Guenter Roeck
[not found] ` <20160408152257.GJ15411@char.us.oracle.com>
2016-04-08 18:20 ` [Xen-devel] " Guenter Roeck
2016-04-09 23:46 ` Stefano Stabellini
2016-04-09 23:56 ` Stefano Stabellini
2016-04-08 12:53 ` [PATCH 3/6] ARM: PSCI: " Guenter Roeck
2016-04-12 15:36 ` Wolfram Sang
2016-04-13 11:05 ` Mark Rutland
2016-04-13 11:24 ` Jisheng Zhang
2016-04-13 13:10 ` Guenter Roeck
2016-04-13 13:22 ` Geert Uytterhoeven
2016-04-14 0:42 ` Guenter Roeck
2016-04-14 8:52 ` Wolfram Sang
2016-04-14 13:21 ` Guenter Roeck
2016-04-14 14:31 ` Wolfram Sang
2016-04-08 12:53 ` Guenter Roeck [this message]
2016-04-08 12:53 ` [PATCH 5/6] ARM64: Remove arm_pm_restart Guenter Roeck
2016-04-12 13:10 ` Catalin Marinas
2016-04-08 12:53 ` [PATCH 6/6] ARM: " Guenter Roeck
2016-04-08 15:44 ` [PATCH 0/6] ARM/ARM64: Drop arm_pm_restart Wolfram Sang
2016-04-08 20:46 ` Arnd Bergmann
2016-04-12 15:41 ` Wolfram Sang
2017-01-30 11:05 [PATCH 0/6] ARM, arm64: Remove arm_pm_restart() Thierry Reding
2017-01-30 11:05 ` [PATCH 4/6] ARM: Register with kernel restart handler Thierry Reding
2019-10-15 14:51 [PATCH 0/6] ARM/arm64: arm_pm_restart removal Thierry Reding
2019-10-15 14:51 ` [PATCH 4/6] ARM: Register with kernel restart handler Thierry Reding
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=1460120039-2497-5-git-send-email-linux@roeck-us.net \
--to=linux@roeck-us.net \
--cc=catalin.marinas@arm.com \
--cc=geert@linux-m68k.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@arm.linux.org.uk \
--cc=wsa@the-dreams.de \
/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: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).