From: Helge Deller <deller@gmx.de>
Date: Fri, 17 Nov 2023 15:43:52 +0000 (+0100)
Subject: parisc/power: Fix power soft-off when running on qemu
X-Git-Tag: v6.5.13~111
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b57e254d5ef4074e6534babde99c2b00266c5f1d;p=thirdparty%2Fkernel%2Fstable.git

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>
---

diff --git a/drivers/parisc/power.c b/drivers/parisc/power.c
index 6ee0717e34eca..332bcc0053a5e 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;
 }