Messages in this thread Patch in this message | | | From | Thierry Reding <> | Subject | [PATCH 1/6] ARM: prima2: Register with kernel restart handler | Date | Mon, 30 Jan 2017 12:05:07 +0100 |
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From: Guenter Roeck <linux@roeck-us.net>
Register with kernel restart handler instead of setting arm_pm_restart directly. By doing this, the prima2 reset handler can be prioritized among other restart methods available on a particular board.
Select a high priority of 192 since the original code overwrites the default arm restart handler.
Acked-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Thierry Reding <treding@nvidia.com> --- arch/arm/mach-prima2/rstc.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-prima2/rstc.c b/arch/arm/mach-prima2/rstc.c index 7c251eb11d01..1639997c5b49 100644 --- a/arch/arm/mach-prima2/rstc.c +++ b/arch/arm/mach-prima2/rstc.c @@ -65,11 +65,18 @@ static struct reset_controller_dev sirfsoc_reset_controller = { #define SIRFSOC_SYS_RST_BIT BIT(31) -static void sirfsoc_restart(enum reboot_mode mode, const char *cmd) +static int sirfsoc_restart(struct notifier_block *nb, unsigned long action, + void *data) { writel(SIRFSOC_SYS_RST_BIT, sirfsoc_rstc_base); + return NOTIFY_DONE; } +static struct notifier_block sirfsoc_restart_nb = { + .notifier_call = sirfsoc_restart, + .priority = 192, +}; + static int sirfsoc_rstc_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; @@ -80,7 +87,7 @@ static int sirfsoc_rstc_probe(struct platform_device *pdev) } sirfsoc_reset_controller.of_node = np; - arm_pm_restart = sirfsoc_restart; + register_restart_handler(&sirfsoc_restart_nb); if (IS_ENABLED(CONFIG_RESET_CONTROLLER)) reset_controller_register(&sirfsoc_reset_controller); -- 2.11.0
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