[PATCH V5 04/21] ACPI: tables: Print RINTC information when MADT is parsed

Sunil V L
2023-05-08T11:53:38Z

When MADT is parsed, print RINTC information as below:

ACPI: RISC-V INTC (acpi_uid[0x0000] hart_id[0x0] enabled)
ACPI: RISC-V INTC (acpi_uid[0x0001] hart_id[0x1] enabled)
...
ACPI: RISC-V INTC (acpi_uid[0x000f] hart_id[0xf] enabled)

This debug information will be very helpful during bring up.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
---
drivers/acpi/tables.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 7b4680da57d7..8ab0a82b4da4 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -220,6 +220,16 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
}
break;

+ case ACPI_MADT_TYPE_RINTC:
+ {
+ struct acpi_madt_rintc *p = (struct acpi_madt_rintc *)header;
+
+ pr_debug("RISC-V INTC (acpi_uid[0x%04x] hart_id[0x%llx] %s)\n",
+ p->uid, p->hart_id,
+ (p->flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
+ }
+ break;
+
default:
pr_warn("Found unsupported MADT entry (type = 0x%x)\n",
header->type);