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Commit da8adda5 authored by Helge Deller's avatar Helge Deller Committed by Greg Kroah-Hartman
Browse files

parisc: Allow to reboot machine after system halt 



commit 2028315cf59bb899a5ac7e87dc48ecb8fac7ac24 upstream.

In case a machine can't power-off itself on system shutdown,
allow the user to reboot it by pressing the RETURN key.

Cc: <stable@vger.kernel.org> # v4.14+
Signed-off-by: default avatarHelge Deller <deller@gmx.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 43ffe982

arch/parisc/kernel/process.c

+8 −3
Original line number Diff line number Diff line
@@ -124,13 +124,18 @@ void machine_power_off(void) 
	/* It seems we have no way to power the system off via

	 * software. The user has to press the button himself. */



	printk(KERN_EMERG "System shut down completed.\n"

	       "Please power this system off now.");

	printk("Power off or press RETURN to reboot.\n");



	/* prevent soft lockup/stalled CPU messages for endless loop. */

	rcu_sysrq_start();

	lockup_detector_soft_poweroff();

	for (;;);

	while (1) {

		/* reboot if user presses RETURN key */

		if (pdc_iodc_getc() == 13) {

			printk("Rebooting...\n");

			machine_restart(NULL);

		}

	}

}



void (*pm_power_off)(void);