ACPI: tables: Print RINTC information when MADT is parsed

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>
Link: https://lore.kernel.org/r/20230515054928.2079268-5-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 7b4680da57d7c866f09aedeeb8b6f33d92e62edd..8ab0a82b4da41d2aad9f975db596e6d0a9375e20 100644 (file)
--- 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);