From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guenter Roeck Subject: [PATCH 24/44] power/reset: msm-powroff: Register with kernel poweroff handler Date: Mon, 6 Oct 2014 22:28:26 -0700 Message-ID: <1412659726-29957-25-git-send-email-linux@roeck-us.net> References: <1412659726-29957-1-git-send-email-linux@roeck-us.net> Return-path: In-Reply-To: <1412659726-29957-1-git-send-email-linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: adi-buildroot-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, devel-gWbeCf7V1WCQmaza687I9mD2FQJk+8+b@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, lguest-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-alpha-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-am33-list-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, linux-cris-kernel-VrBV9hrLPhE@public.gmane.org, linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-hexagon-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-m32r-ja-rQhvJZKUsGBRYuoOT4C5/9i2O/JbrIOy@public.gmane.org, linuxppc-dev-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, linux-s390-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-xtensa-PjhNF2WwrV/0Sa2dR60CXw@public.gmane.org, openipmi-developer-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, user-mode-linux-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-c6x-dev-jPsnJVOj+W6hPH1hqNUYSQ@public.gmane.org, linux-ia64-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-m68k-cunTk1MwBs8S/qaLPR03pWD2FQJk+8+b@public.gmane.org, linux-metag-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mips-6z/3iImG2C8G8FEW9MqTrA@public.gmane.org, linux-parisc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, xen-devel-GuqFBffKawtpuQazS67q72D2FQJk+8+b@public.gmane.org, Guenter Roeck List-Id: devicetree@vger.kernel.org Register with kernel poweroff handler instead of setting pm_power_off directly. Select proprity 0 since the code does not really poweroff the system. Signed-off-by: Guenter Roeck --- drivers/power/reset/msm-poweroff.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/power/reset/msm-poweroff.c b/drivers/power/reset/msm-poweroff.c index 774f9a3..189bcd3 100644 --- a/drivers/power/reset/msm-poweroff.c +++ b/drivers/power/reset/msm-poweroff.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include @@ -31,12 +32,19 @@ static void do_msm_restart(enum reboot_mode reboot_mode, const char *cmd) mdelay(10000); } -static void do_msm_poweroff(void) +static int do_msm_poweroff(struct notifier_block *this, + unsigned long unused1, void *unused2) { /* TODO: Add poweroff capability */ do_msm_restart(REBOOT_HARD, NULL); + + return NOTIFY_DONE; } +static struct notifier_block msm_powroff_nb = { + .notifier_call = do_msm_poweroff, +}; + static int msm_restart_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -47,7 +55,8 @@ static int msm_restart_probe(struct platform_device *pdev) if (IS_ERR(msm_ps_hold)) return PTR_ERR(msm_ps_hold); - pm_power_off = do_msm_poweroff; + if (register_poweroff_handler(&msm_powroff_nb)) + dev_err(&pdev->dev, "Failed to register poweroff handler\n"); arm_pm_restart = do_msm_restart; return 0; } -- 1.9.1