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Subject[PATCHv8 17/17] ACPI: tables: Print MULTIPROC_WAKEUP when MADT is parsed
Date
When MADT is parsed, print MULTIPROC_WAKEUP information:

ACPI: MP Wakeup (version[1], mailbox[0x7fffd000], reset[0x7fffe068])

This debug information will be very helpful during bring up.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Baoquan He <bhe@redhat.com>
---
drivers/acpi/tables.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index b07f7d091d13..c59a3617bca7 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -198,6 +198,20 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
}
break;

+ case ACPI_MADT_TYPE_MULTIPROC_WAKEUP:
+ {
+ struct acpi_madt_multiproc_wakeup *p =
+ (struct acpi_madt_multiproc_wakeup *)header;
+ u64 reset_vector = 0;
+
+ if (p->version >= ACPI_MADT_MP_WAKEUP_VERSION_V1)
+ reset_vector = p->reset_vector;
+
+ pr_debug("MP Wakeup (version[%d], mailbox[%#llx], reset[%#llx])\n",
+ p->version, p->mailbox_address, reset_vector);
+ }
+ break;
+
case ACPI_MADT_TYPE_CORE_PIC:
{
struct acpi_madt_core_pic *p = (struct acpi_madt_core_pic *)header;
--
2.43.0

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