From b57e254d5ef4074e6534babde99c2b00266c5f1d Mon Sep 17 00:00:00 2001
From: Helge Deller <deller@gmx.de>
Date: Fri, 17 Nov 2023 16:43:52 +0100
Subject: [PATCH] parisc/power: Fix power soft-off when running on qemu
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@gmx.de>
Cc: stable@vger.kernel.org # v6.0+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/parisc/power.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/parisc/power.c b/drivers/parisc/power.c
index 6ee0717e34ec..332bcc0053a5 100644
--- a/drivers/parisc/power.c
+++ b/drivers/parisc/power.c
@@ -201,7 +201,7 @@ static struct notifier_block parisc_panic_block = {
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;
}
--
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