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parisc/power: Fix power soft-off when running on qemu

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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>
This commit is contained in:
Helge Deller
2023-11-17 16:43:52 +01:00
committed by Greg Kroah-Hartman
parent 40b6914f42
commit 72a90e7eb4
1 changed files with 1 additions and 1 deletions
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2
drivers/parisc/power.c
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@@ -201,7 +201,7 @@ static struct notifier_block parisc_panic_block = {
static int qemu_power_off(struct sys_off_data *data) static int qemu_power_off(struct sys_off_data *data)
{ {
/* this turns the system off via SeaBIOS */ /* 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); pdc_soft_power_button(1);
return NOTIFY_DONE; return NOTIFY_DONE;
} }