[PATCH v9 12/21] ACPI / table: Print GIC information when MADT is parsed
From: Rafael J. Wysocki <hidden>
Date: 2015-03-04 22:16:26
Also in:
linux-acpi, lkml
On Wednesday, February 25, 2015 04:39:52 PM Hanjun Guo wrote:
When MADT is parsed, print GIC information as debug message: ACPI: GICC (acpi_id[0x0000] address[00000000e112f000] MPIDR[0x0] enabled) ACPI: GICC (acpi_id[0x0001] address[00000000e112f000] MPIDR[0x1] enabled) ... ACPI: GICC (acpi_id[0x0201] address[00000000e112f000] MPIDR[0x201] enabled) Those debug information will be very helpful to bring up early systems to see if acpi_id and MPIDR are matched or not as spec defined. CC: Rafael J. Wysocki <redacted> Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> Tested-by: Yijing Wang <redacted> Tested-by: Mark Langsdorf <redacted> Tested-by: Jon Masters <redacted> Tested-by: Timur Tabi <redacted> Tested-by: Robert Richter <redacted> Acked-by: Robert Richter <redacted> Acked-by: Sudeep Holla <redacted> Signed-off-by: Hanjun Guo <redacted> Signed-off-by: Tomasz Nowicki <redacted>
Acked-by: Rafael J. Wysocki <redacted>
quoted hunk ↗ jump to hunk
--- drivers/acpi/tables.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+)diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index f4e5b88..2e19189 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c@@ -185,6 +185,28 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header) } break; + case ACPI_MADT_TYPE_GENERIC_INTERRUPT: + { + struct acpi_madt_generic_interrupt *p = + (struct acpi_madt_generic_interrupt *)header; + pr_debug("GICC (acpi_id[0x%04x] address[%llx] MPIDR[0x%llx] %s)\n", + p->uid, p->base_address, + p->arm_mpidr, + (p->flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled"); + + } + break; + + case ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR: + { + struct acpi_madt_generic_distributor *p = + (struct acpi_madt_generic_distributor *)header; + pr_debug("GIC Distributor (gic_id[0x%04x] address[%llx] gsi_base[%d])\n", + p->gic_id, p->base_address, + p->global_irq_base); + } + break; + default: pr_warn("Found unsupported MADT entry (type = 0x%x)\n", header->type);
-- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center.