From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Mon, 14 Apr 2008 22:40:37 +0000 (-0700)
Subject: x86 PCI: call dmi_check_pciprobe()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0df18ff366853cdf31e5238764ec5c63e6b5a398;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

x86 PCI: call dmi_check_pciprobe()

this change:

| commit 08f1c192c3c32797068bfe97738babb3295bbf42
| Author: Muli Ben-Yehuda <muli@il.ibm.com>
| Date:   Sun Jul 22 00:23:39 2007 +0300
|
|    x86-64: introduce struct pci_sysdata to facilitate sharing of ->sysdata
|
|    This patch introduces struct pci_sysdata to x86 and x86-64, and
|    converts the existing two users (NUMA, Calgary) to use it.
|
|    This lays the groundwork for having other users of sysdata, such as
|    the PCI domains work.
|
|    The Calgary bits are tested, the NUMA bits just look ok.

replaces pcibios_scan_root with pci_scan_bus_parented...

but in pcibios_scan_root we have a DMI check:

    dmi_check_system(pciprobe_dmi_table);

when when have several peer root buses this could be called multiple
times (which is bad), so move that call to pci_access_init().

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---

diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index a6d27797ef47..bfa72a9475b3 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -362,13 +362,16 @@ static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
 	{}
 };
 
+void __init dmi_check_pciprobe(void)
+{
+	dmi_check_system(pciprobe_dmi_table);
+}
+
 struct pci_bus * __devinit pcibios_scan_root(int busnum)
 {
 	struct pci_bus *bus = NULL;
 	struct pci_sysdata *sd;
 
-	dmi_check_system(pciprobe_dmi_table);
-
 	while ((bus = pci_find_next_bus(bus)) != NULL) {
 		if (bus->number == busnum) {
 			/* Already scanned */
diff --git a/arch/x86/pci/init.c b/arch/x86/pci/init.c
index b394b2a4b912..e70b9c57b88e 100644
--- a/arch/x86/pci/init.c
+++ b/arch/x86/pci/init.c
@@ -33,6 +33,8 @@ static __init int pci_access_init(void)
 		printk(KERN_ERR
 		"PCI: Fatal: No config space access function found\n");
 
+	dmi_check_pciprobe();
+
 	dmi_check_skip_isa_align();
 
 	return 0;
diff --git a/arch/x86/pci/pci.h b/arch/x86/pci/pci.h
index 101982027881..f3972b12c60a 100644
--- a/arch/x86/pci/pci.h
+++ b/arch/x86/pci/pci.h
@@ -38,6 +38,7 @@ enum pci_bf_sort_state {
 	pci_dmi_bf,
 };
 
+extern void __init dmi_check_pciprobe(void);
 extern void __init dmi_check_skip_isa_align(void);
 
 /* pci-i386.c */