This is a note to let you know that I've just added the patch titled
parisc/power: Fix power soft-off when running on qemu
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
parisc-power-fix-power-soft-off-when-running-on-qemu.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 6ad6e15a9c46b8f0932cd99724f26f3db4db1cdf Mon Sep 17 00:00:00 2001
From: Helge Deller <deller@xxxxxx>
Date: Fri, 17 Nov 2023 16:43:52 +0100
Subject: parisc/power: Fix power soft-off when running on qemu
From: Helge Deller <deller@xxxxxx>
commit 6ad6e15a9c46b8f0932cd99724f26f3db4db1cdf upstream.
Firmware returns the physical address of the power switch,
so need to use gsc_writel() instead of direct memory access.
Fixes: d0c219472980 ("parisc/power: Add power soft-off when running on qemu")
Signed-off-by: Helge Deller <deller@xxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # v6.0+
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/parisc/power.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/parisc/power.c
+++ b/drivers/parisc/power.c
@@ -196,7 +196,7 @@ static struct notifier_block parisc_pani
static int qemu_power_off(struct sys_off_data *data)
{
/* this turns the system off via SeaBIOS */
- *(int *)data->cb_data = 0;
+ gsc_writel(0, (unsigned long) data->cb_data);
pdc_soft_power_button(1);
return NOTIFY_DONE;
}
Patches currently in stable-queue which might be from deller@xxxxxx are
queue-5.4/parisc-power-fix-power-soft-off-when-running-on-qemu.patch
queue-5.4/parisc-power-add-power-soft-off-when-running-on-qemu.patch
queue-5.4/parisc-pgtable-do-not-drop-upper-5-address-bits-of-physical-address.patch
queue-5.4/parisc-pdc-add-width-field-to-struct-pdc_model.patch
queue-5.4/parisc-prevent-booting-64-bit-kernels-on-pa1.x-machines.patch
