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| author | Helge Deller <deller@gmx.de> | 2023-05-22 22:57:30 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-05-30 12:44:09 +0100 |
| commit | da8adda579846ffa36700c0a12739e96e18831b6 (patch) | |
| tree | 2acd1a2b93f455f217a95b8b68575158a35c66cf | |
| parent | 43ffe982a304edd2f89b37498b3cdc635c79b3d9 (diff) | |
| download | linux-da8adda579846ffa36700c0a12739e96e18831b6.tar.gz linux-da8adda579846ffa36700c0a12739e96e18831b6.tar.bz2 linux-da8adda579846ffa36700c0a12739e96e18831b6.zip | |
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: Helge Deller <deller@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/parisc/kernel/process.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index 230a6422b99f..0e67ab681b4e 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -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); |