ChangeSet 1.1111, 2003/03/13 12:16:52-08:00, greg at kroah.com
i2c: i2c-piix4.c: Clean up the ibm dma scan logic
Also export the is_unsafe_smbus variable, which is needed.
arch/i386/kernel/dmi_scan.c | 3 +++
drivers/i2c/busses/i2c-piix4.c | 20 ++------------------
2 files changed, 5 insertions(+), 18 deletions(-)
diff -Nru a/arch/i386/kernel/dmi_scan.c b/arch/i386/kernel/dmi_scan.c
--- a/arch/i386/kernel/dmi_scan.c Thu Mar 13 16:57:17 2003
+++ b/arch/i386/kernel/dmi_scan.c Thu Mar 13 16:57:17 2003
@@ -3,6 +3,7 @@
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/init.h>
+#include <linux/module.h>
#include <linux/apm_bios.h>
#include <linux/slab.h>
#include <asm/io.h>
@@ -893,3 +894,5 @@
if(err == 0)
dmi_check_blacklist();
}
+
+EXPORT_SYMBOL(is_unsafe_smbus);
diff -Nru a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c
--- a/drivers/i2c/busses/i2c-piix4.c Thu Mar 13 16:57:17 2003
+++ b/drivers/i2c/busses/i2c-piix4.c Thu Mar 13 16:57:17 2003
@@ -28,7 +28,6 @@
Note: we assume there can only be one device, with one SMBus interface.
*/
-#include <linux/version.h>
#include <linux/module.h>
#include <linux/config.h>
#include <linux/pci.h>
@@ -104,31 +103,18 @@
static unsigned short piix4_smba = 0;
-#ifdef CONFIG_X86
/*
* Get DMI information.
*/
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,34)
-void dmi_scan_mach(void);
-#endif
-
-static int __init ibm_dmi_probe(void)
+static int ibm_dmi_probe(void)
{
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,34)
+#ifdef CONFIG_X86
extern int is_unsafe_smbus;
return is_unsafe_smbus;
#else
-#define IBM_SIGNATURE "IBM"
- dmi_scan_mach();
- if(dmi_ident[DMI_SYS_VENDOR] == NULL)
- return 0;
- if(strncmp(dmi_ident[DMI_SYS_VENDOR], IBM_SIGNATURE,
- strlen(IBM_SIGNATURE)) == 0)
- return 1;
return 0;
#endif
}
-#endif
static int piix4_setup(struct pci_dev *PIIX4_dev, const struct pci_device_id *id)
{
@@ -141,7 +127,6 @@
printk(KERN_INFO "i2c-piix4.o: Found %s device\n", PIIX4_dev->dev.name);
-#ifdef CONFIG_X86
if(ibm_dmi_probe()) {
printk
(KERN_ERR "i2c-piix4.o: IBM Laptop detected; this module may corrupt\n");
@@ -150,7 +135,6 @@
error_return = -EPERM;
goto END;
}
-#endif
/* Determine the address of the SMBus areas */
if (force_addr) {
