diff mbox series

PRESERVE_BOOT_CONFIG function rev id doesn't match with spec.

Message ID 20241104061342.106865-1-zhoushengqing@ttyinfo.com
State Superseded
Headers show
Series PRESERVE_BOOT_CONFIG function rev id doesn't match with spec. | expand

Commit Message

Zhou Shengqing Nov. 4, 2024, 6:13 a.m. UTC
Per PCI Firmware Specification Revision 3.3 Table 4-7 _DSM Definitions
for PCI. Preserve PCI Boot Configuration Initial Revision ID is 2. But
the code is 1.

Signed-off-by: Zhou Shengqing <zhoushengqing@ttyinfo.com>
---
 drivers/pci/pci-acpi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index af370628e583..7a4cad0c1f00 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -132,7 +132,7 @@  bool pci_acpi_preserve_config(struct pci_host_bridge *host_bridge)
 		 */
 		obj = acpi_evaluate_dsm_typed(ACPI_HANDLE(&host_bridge->dev),
 					      &pci_acpi_dsm_guid,
-					      1, DSM_PCI_PRESERVE_BOOT_CONFIG,
+					      2, DSM_PCI_PRESERVE_BOOT_CONFIG,
 					      NULL, ACPI_TYPE_INTEGER);
 		if (obj && obj->integer.value == 0)
 			return true;