CVS commit: src/sys/dev/acpi

[Michael van Elst]

Module Name:    src
Committed By:   mlelstv
Date:           Sun Nov 10 10:45:37 UTC 2024

Modified Files:
        src/sys/dev/acpi: acpi_mcfg.c

Log Message:
Debug output.
Ignore an address range of size zero.


To generate a diff of this commit:
cvs rdiff -u -r1.29 -r1.30 src/sys/dev/acpi/acpi_mcfg.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.


Modified files:

Index: src/sys/dev/acpi/acpi_mcfg.c
diff -u src/sys/dev/acpi/acpi_mcfg.c:1.29 src/sys/dev/acpi/acpi_mcfg.c:1.30
--- src/sys/dev/acpi/acpi_mcfg.c:1.29	Sun Jun 23 00:53:34 2024
+++ src/sys/dev/acpi/acpi_mcfg.c	Sun Nov 10 10:45:37 2024
@@ -1,4 +1,4 @@
-/*	$NetBSD: acpi_mcfg.c,v 1.29 2024/06/23 00:53:34 riastradh Exp $	*/
+/*	$NetBSD: acpi_mcfg.c,v 1.30 2024/11/10 10:45:37 mlelstv Exp $	*/
 
 /*-
  * Copyright (C) 2015 NONAKA Kimihiro <non...@netbsd.org>
@@ -28,7 +28,7 @@
 #include "opt_pci.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_mcfg.c,v 1.29 2024/06/23 00:53:34 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_mcfg.c,v 1.30 2024/11/10 10:45:37 mlelstv Exp $");
 
 #include <sys/param.h>
 #include <sys/device.h>
@@ -678,7 +678,6 @@ acpimcfg_map_bus(device_t self, pci_chip
 
 	error = 0;
 out:
-	aprint_debug_dev(acpi_sc->sc_dev, "%s done", __func__);
 
 	return error;
 }
@@ -755,8 +754,10 @@ acpimcfg_configure_bus_cb(ACPI_RESOURCE 
 		return AE_OK;
 	}
 
-	pciinfo->ranges[type].start = addr;
-	pciinfo->ranges[type].end = addr + size - 1;
+	if (size > 0) {
+		pciinfo->ranges[type].start = addr;
+		pciinfo->ranges[type].end = addr + size - 1;
+	}
 
 	return AE_OK;
 }
@@ -776,6 +777,8 @@ acpimcfg_configure_bus(device_t self, pc
 
 	if (mapcfgspace) {
 		seg = acpimcfg_get_segment(pc, bus);
+		aprint_debug_dev(acpi_sc->sc_dev, "MCFG: Bus=%d, Seg=%p\n",
+		    bus, seg);
 		if (seg == NULL) {
 			return ENOENT;
 		}
@@ -826,6 +829,8 @@ acpimcfg_configure_bus(device_t self, pc
 	rv = AcpiWalkResources(handle, "_CRS", acpimcfg_configure_bus_cb,
 	    &pciinfo);
 	if (ACPI_FAILURE(rv)) {
+		aprint_debug_dev(acpi_sc->sc_dev, "MCFG: Walk _CRS: %ld\n",
+		    (long)rv);
 		error = ENXIO;
 		goto cleanup;
 	}