From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 11 Oct 2007 09:13:18 +0000 (+0200)
Subject: i386: prepare shared kernel/acpi/earlyquirk.c
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=84629d8d3695cab7177e9a04ccc212727280bdd8;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git
i386: prepare shared kernel/acpi/earlyquirk.c
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
diff --git a/arch/i386/kernel/acpi/Makefile b/arch/i386/kernel/acpi/Makefile
index cfbc7d8d66e2..a4852a2e9190 100644
--- a/arch/i386/kernel/acpi/Makefile
+++ b/arch/i386/kernel/acpi/Makefile
@@ -1,6 +1,6 @@
obj-$(CONFIG_ACPI) += boot.o
ifneq ($(CONFIG_PCI),)
-obj-$(CONFIG_X86_IO_APIC) += earlyquirk.o
+obj-$(CONFIG_X86_IO_APIC) += earlyquirk_32.o
endif
obj-$(CONFIG_ACPI_SLEEP) += sleep_32.o wakeup_32.o
diff --git a/arch/i386/kernel/acpi/earlyquirk.c b/arch/i386/kernel/acpi/earlyquirk.c
deleted file mode 100644
index 23f78efc577d..000000000000
--- a/arch/i386/kernel/acpi/earlyquirk.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Do early PCI probing for bug detection when the main PCI subsystem is
- * not up yet.
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/acpi.h>
-
-#include <asm/pci-direct.h>
-#include <asm/acpi.h>
-#include <asm/apic.h>
-
-#ifdef CONFIG_ACPI
-
-static int __init nvidia_hpet_check(struct acpi_table_header *header)
-{
- return 0;
-}
-#endif
-
-static int __init check_bridge(int vendor, int device)
-{
-#ifdef CONFIG_ACPI
- static int warned;
- /* According to Nvidia all timer overrides are bogus unless HPET
- is enabled. */
- if (!acpi_use_timer_override && vendor == PCI_VENDOR_ID_NVIDIA) {
- if (!warned && acpi_table_parse(ACPI_SIG_HPET,
- nvidia_hpet_check)) {
- warned = 1;
- acpi_skip_timer_override = 1;
- printk(KERN_INFO "Nvidia board "
- "detected. Ignoring ACPI "
- "timer override.\n");
- printk(KERN_INFO "If you got timer trouble "
- "try acpi_use_timer_override\n");
-
- }
- }
-#endif
- if (vendor == PCI_VENDOR_ID_ATI && timer_over_8254 == 1) {
- timer_over_8254 = 0;
- printk(KERN_INFO "ATI board detected. Disabling timer routing "
- "over 8254.\n");
- }
- return 0;
-}
-
-void __init check_acpi_pci(void)
-{
- int num, slot, func;
-
- /* Assume the machine supports type 1. If not it will
- always read ffffffff and should not have any side effect.
- Actually a few buggy systems can machine check. Allow the user
- to disable it by command line option at least -AK */
- if (!early_pci_allowed())
- return;
-
- /* Poor man's PCI discovery */
- for (num = 0; num < 32; num++) {
- for (slot = 0; slot < 32; slot++) {
- for (func = 0; func < 8; func++) {
- u32 class;
- u32 vendor;
- class = read_pci_config(num, slot, func,
- PCI_CLASS_REVISION);
- if (class == 0xffffffff)
- break;
-
- if ((class >> 16) != PCI_CLASS_BRIDGE_PCI)
- continue;
-
- vendor = read_pci_config(num, slot, func,
- PCI_VENDOR_ID);
-
- if (check_bridge(vendor & 0xffff, vendor >> 16))
- return;
- }
-
- }
- }
-}
diff --git a/arch/i386/kernel/acpi/earlyquirk_32.c b/arch/i386/kernel/acpi/earlyquirk_32.c
new file mode 100644
index 000000000000..23f78efc577d
--- /dev/null
+++ b/arch/i386/kernel/acpi/earlyquirk_32.c
@@ -0,0 +1,84 @@
+/*
+ * Do early PCI probing for bug detection when the main PCI subsystem is
+ * not up yet.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/acpi.h>
+
+#include <asm/pci-direct.h>
+#include <asm/acpi.h>
+#include <asm/apic.h>
+
+#ifdef CONFIG_ACPI
+
+static int __init nvidia_hpet_check(struct acpi_table_header *header)
+{
+ return 0;
+}
+#endif
+
+static int __init check_bridge(int vendor, int device)
+{
+#ifdef CONFIG_ACPI
+ static int warned;
+ /* According to Nvidia all timer overrides are bogus unless HPET
+ is enabled. */
+ if (!acpi_use_timer_override && vendor == PCI_VENDOR_ID_NVIDIA) {
+ if (!warned && acpi_table_parse(ACPI_SIG_HPET,
+ nvidia_hpet_check)) {
+ warned = 1;
+ acpi_skip_timer_override = 1;
+ printk(KERN_INFO "Nvidia board "
+ "detected. Ignoring ACPI "
+ "timer override.\n");
+ printk(KERN_INFO "If you got timer trouble "
+ "try acpi_use_timer_override\n");
+
+ }
+ }
+#endif
+ if (vendor == PCI_VENDOR_ID_ATI && timer_over_8254 == 1) {
+ timer_over_8254 = 0;
+ printk(KERN_INFO "ATI board detected. Disabling timer routing "
+ "over 8254.\n");
+ }
+ return 0;
+}
+
+void __init check_acpi_pci(void)
+{
+ int num, slot, func;
+
+ /* Assume the machine supports type 1. If not it will
+ always read ffffffff and should not have any side effect.
+ Actually a few buggy systems can machine check. Allow the user
+ to disable it by command line option at least -AK */
+ if (!early_pci_allowed())
+ return;
+
+ /* Poor man's PCI discovery */
+ for (num = 0; num < 32; num++) {
+ for (slot = 0; slot < 32; slot++) {
+ for (func = 0; func < 8; func++) {
+ u32 class;
+ u32 vendor;
+ class = read_pci_config(num, slot, func,
+ PCI_CLASS_REVISION);
+ if (class == 0xffffffff)
+ break;
+
+ if ((class >> 16) != PCI_CLASS_BRIDGE_PCI)
+ continue;
+
+ vendor = read_pci_config(num, slot, func,
+ PCI_VENDOR_ID);
+
+ if (check_bridge(vendor & 0xffff, vendor >> 16))
+ return;
+ }
+
+ }
+ }
+}