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-rw-r--r--arch/i386/Kconfig4
-rw-r--r--arch/i386/kernel/dmi_scan.c16
-rw-r--r--arch/i386/kernel/setup.c2
-rw-r--r--arch/x86_64/Kconfig4
-rw-r--r--arch/x86_64/kernel/Makefile5
-rw-r--r--arch/x86_64/kernel/setup.c9
-rw-r--r--include/asm-i386/io.h5
-rw-r--r--include/asm-x86_64/io.h5
-rw-r--r--include/linux/dmi.h5
9 files changed, 44 insertions, 11 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index 815878ebd30..81ae9627701 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -41,6 +41,10 @@ config ARCH_MAY_HAVE_PC_FDC
bool
default y
+config DMI
+ bool
+ default y
+
source "init/Kconfig"
menu "Processor type and features"
diff --git a/arch/i386/kernel/dmi_scan.c b/arch/i386/kernel/dmi_scan.c
index 58516e2ac17..6a93d75db43 100644
--- a/arch/i386/kernel/dmi_scan.c
+++ b/arch/i386/kernel/dmi_scan.c
@@ -4,7 +4,7 @@
#include <linux/module.h>
#include <linux/dmi.h>
#include <linux/bootmem.h>
-
+#include <linux/slab.h>
static char * __init dmi_string(struct dmi_header *dm, u8 s)
{
@@ -19,7 +19,7 @@ static char * __init dmi_string(struct dmi_header *dm, u8 s)
}
if (*bp != 0) {
- str = alloc_bootmem(strlen(bp) + 1);
+ str = dmi_alloc(strlen(bp) + 1);
if (str != NULL)
strcpy(str, bp);
else
@@ -40,7 +40,7 @@ static int __init dmi_table(u32 base, int len, int num,
u8 *buf, *data;
int i = 0;
- buf = bt_ioremap(base, len);
+ buf = dmi_ioremap(base, len);
if (buf == NULL)
return -1;
@@ -65,7 +65,7 @@ static int __init dmi_table(u32 base, int len, int num,
data += 2;
i++;
}
- bt_iounmap(buf, len);
+ dmi_iounmap(buf, len);
return 0;
}
@@ -112,7 +112,7 @@ static void __init dmi_save_devices(struct dmi_header *dm)
if ((*d & 0x80) == 0)
continue;
- dev = alloc_bootmem(sizeof(*dev));
+ dev = dmi_alloc(sizeof(*dev));
if (!dev) {
printk(KERN_ERR "dmi_save_devices: out of memory.\n");
break;
@@ -131,7 +131,7 @@ static void __init dmi_save_ipmi_device(struct dmi_header *dm)
struct dmi_device *dev;
void * data;
- data = alloc_bootmem(dm->length);
+ data = dmi_alloc(dm->length);
if (data == NULL) {
printk(KERN_ERR "dmi_save_ipmi_device: out of memory.\n");
return;
@@ -139,7 +139,7 @@ static void __init dmi_save_ipmi_device(struct dmi_header *dm)
memcpy(data, dm, dm->length);
- dev = alloc_bootmem(sizeof(*dev));
+ dev = dmi_alloc(sizeof(*dev));
if (!dev) {
printk(KERN_ERR "dmi_save_ipmi_device: out of memory.\n");
return;
@@ -221,7 +221,7 @@ void __init dmi_scan_machine(void)
}
}
-out: printk(KERN_INFO "DMI not present.\n");
+out: printk(KERN_INFO "DMI not present or invalid.\n");
}
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index f685637a100..a720f743ea6 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -45,6 +45,7 @@
#include <linux/nodemask.h>
#include <linux/kexec.h>
#include <linux/crash_dump.h>
+#include <linux/dmi.h>
#include <video/edid.h>
@@ -146,7 +147,6 @@ EXPORT_SYMBOL(ist_info);
struct e820map e820;
extern void early_cpu_init(void);
-extern void dmi_scan_machine(void);
extern void generic_apic_probe(char *);
extern int root_mountflags;
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index 348b4a0d0d6..150e1ac0bfe 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -69,6 +69,10 @@ config ARCH_MAY_HAVE_PC_FDC
bool
default y
+config DMI
+ bool
+ default y
+
source "init/Kconfig"
diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile
index 12bc54005e2..4601fdafb7c 100644
--- a/arch/x86_64/kernel/Makefile
+++ b/arch/x86_64/kernel/Makefile
@@ -7,7 +7,8 @@ EXTRA_AFLAGS := -traditional
obj-y := process.o signal.o entry.o traps.o irq.o \
ptrace.o time.o ioport.o ldt.o setup.o i8259.o sys_x86_64.o \
x8664_ksyms.o i387.o syscall.o vsyscall.o \
- setup64.o bootflag.o e820.o reboot.o quirks.o i8237.o
+ setup64.o bootflag.o e820.o reboot.o quirks.o i8237.o \
+ dmi_scan.o
obj-$(CONFIG_X86_MCE) += mce.o
obj-$(CONFIG_X86_MCE_INTEL) += mce_intel.o
@@ -47,3 +48,5 @@ intel_cacheinfo-y += ../../i386/kernel/cpu/intel_cacheinfo.o
quirks-y += ../../i386/kernel/quirks.o
i8237-y += ../../i386/kernel/i8237.o
msr-$(subst m,y,$(CONFIG_X86_MSR)) += ../../i386/kernel/msr.o
+dmi_scan-y += ../../i386/kernel/dmi_scan.o
+
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 33e77ec8da2..6810690d604 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -44,6 +44,7 @@
#include <linux/mmzone.h>
#include <linux/kexec.h>
#include <linux/cpufreq.h>
+#include <linux/dmi.h>
#include <asm/mtrr.h>
#include <asm/uaccess.h>
@@ -1392,3 +1393,11 @@ struct seq_operations cpuinfo_op = {
.stop = c_stop,
.show = show_cpuinfo,
};
+
+static int __init run_dmi_scan(void)
+{
+ dmi_scan_machine();
+ return 0;
+}
+core_initcall(run_dmi_scan);
+
diff --git a/include/asm-i386/io.h b/include/asm-i386/io.h
index 7babb97a02e..03233c2ab82 100644
--- a/include/asm-i386/io.h
+++ b/include/asm-i386/io.h
@@ -131,6 +131,11 @@ extern void iounmap(volatile void __iomem *addr);
extern void *bt_ioremap(unsigned long offset, unsigned long size);
extern void bt_iounmap(void *addr, unsigned long size);
+/* Use early IO mappings for DMI because it's initialized early */
+#define dmi_ioremap bt_ioremap
+#define dmi_iounmap bt_iounmap
+#define dmi_alloc alloc_bootmem
+
/*
* ISA I/O bus memory addresses are 1:1 with the physical address.
*/
diff --git a/include/asm-x86_64/io.h b/include/asm-x86_64/io.h
index 52ff269fe05..9dac18db829 100644
--- a/include/asm-x86_64/io.h
+++ b/include/asm-x86_64/io.h
@@ -143,6 +143,11 @@ static inline void __iomem * ioremap (unsigned long offset, unsigned long size)
extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size);
extern void iounmap(volatile void __iomem *addr);
+/* Use normal IO mappings for DMI */
+#define dmi_ioremap ioremap
+#define dmi_iounmap(x,l) iounmap(x)
+#define dmi_alloc(l) kmalloc(l, GFP_ATOMIC)
+
/*
* ISA I/O bus memory addresses are 1:1 with the physical address.
*/
diff --git a/include/linux/dmi.h b/include/linux/dmi.h
index 05f4132622f..2e6bbe01415 100644
--- a/include/linux/dmi.h
+++ b/include/linux/dmi.h
@@ -2,6 +2,7 @@
#define __DMI_H__
#include <linux/list.h>
+#include <linux/config.h>
enum dmi_field {
DMI_NONE,
@@ -60,12 +61,14 @@ struct dmi_device {
void *device_data; /* Type specific data */
};
-#if defined(CONFIG_X86_32)
+#ifdef CONFIG_DMI
extern int dmi_check_system(struct dmi_system_id *list);
extern char * dmi_get_system_info(int field);
extern struct dmi_device * dmi_find_device(int type, const char *name,
struct dmi_device *from);
+extern void dmi_scan_machine(void);
+
#else
static inline int dmi_check_system(struct dmi_system_id *list) { return 0; }
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-24 22:43:12 +0000