add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/arch/arm64/kernel/pci.c
..
..
@@ -1,13 +1,9 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
1
2
 /*
2
3
  * Code borrowed from powerpc/kernel/pci-common.c
3
4
  *
4
5
  * Copyright (C) 2003 Anton Blanchard <anton@au.ibm.com>, IBM
5
6
  * Copyright (C) 2014 ARM Ltd.
6
- *
7
- * This program is free software; you can redistribute it and/or
8
- * modify it under the terms of the GNU General Public License
9
- * version 2 as published by the Free Software Foundation.
10
- *
11
7
  */
12
8
 
13
9
 #include <linux/acpi.h>
..
..
@@ -121,7 +117,7 @@
121
117
 	struct device *dev = &root->device->dev;
122
118
 	struct resource *bus_res = &root->secondary;
123
119
 	u16 seg = root->segment;
124
-	struct pci_ecam_ops *ecam_ops;
120
+	const struct pci_ecam_ops *ecam_ops;
125
121
 	struct resource cfgres;
126
122
 	struct acpi_device *adev;
127
123
 	struct pci_config_window *cfg;
..
..
@@ -165,16 +161,16 @@
165
161
 /* Interface called from ACPI code to setup PCI host controller */
166
162
 struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
167
163
 {
168
-	int node = acpi_get_node(root->device->handle);
169
164
 	struct acpi_pci_generic_root_info *ri;
170
165
 	struct pci_bus *bus, *child;
171
166
 	struct acpi_pci_root_ops *root_ops;
167
+	struct pci_host_bridge *host;
172
168
 
173
-	ri = kzalloc_node(sizeof(*ri), GFP_KERNEL, node);
169
+	ri = kzalloc(sizeof(*ri), GFP_KERNEL);
174
170
 	if (!ri)
175
171
 		return NULL;
176
172
 
177
-	root_ops = kzalloc_node(sizeof(*root_ops), GFP_KERNEL, node);
173
+	root_ops = kzalloc(sizeof(*root_ops), GFP_KERNEL);
178
174
 	if (!root_ops) {
179
175
 		kfree(ri);
180
176
 		return NULL;
..
..
@@ -189,13 +185,21 @@
189
185
 
190
186
 	root_ops->release_info = pci_acpi_generic_release_info;
191
187
 	root_ops->prepare_resources = pci_acpi_root_prepare_resources;
192
-	root_ops->pci_ops = &ri->cfg->ops->pci_ops;
188
+	root_ops->pci_ops = (struct pci_ops *)&ri->cfg->ops->pci_ops;
193
189
 	bus = acpi_pci_root_create(root, root_ops, &ri->common, ri->cfg);
194
190
 	if (!bus)
195
191
 		return NULL;
196
192
 
197
-	pci_bus_size_bridges(bus);
198
-	pci_bus_assign_resources(bus);
193
+	/* If we must preserve the resource configuration, claim now */
194
+	host = pci_find_host_bridge(bus);
195
+	if (host->preserve_config)
196
+		pci_bus_claim_resources(bus);
197
+
198
+	/*
199
+	 * Assign whatever was left unassigned. If we didn't claim above,
200
+	 * this will reassign everything.
201
+	 */
202
+	pci_assign_unassigned_root_bus_resources(bus);
199
203
 
200
204
 	list_for_each_entry(child, &bus->children, node)
201
205
 		pcie_bus_configure_settings(child);