[PATCH] dmi_scan: port sonypi driver to new DMI probing

This patch ports sonypi driver to new DMI probing API and removes
is_sony_vaio_laptop global variable.
Signed-off-by: Andrey Panin <pazke@donpac.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/i386/kernel/dmi_scan.c

@@ -16,7 +16,6 @@
 unsigned long dmi_broken;
 EXPORT_SYMBOL(dmi_broken);
 
-int is_sony_vaio_laptop;
 int is_unsafe_smbus;
 int es7000_plat = 0;
 
@@ -336,24 +335,6 @@ static __init int broken_apm_power(struct dmi_blacklist *d)
 	return 0;
 }		
 
-/*
- * Check for a Sony Vaio system
- *
- * On a Sony system we want to enable the use of the sonypi
- * driver for Sony-specific goodies like the camera and jogdial.
- * We also want to avoid using certain functions of the PnP BIOS.
- */
-
-static __init int sony_vaio_laptop(struct dmi_blacklist *d)
-{
-	if (is_sony_vaio_laptop == 0)
-	{
-		is_sony_vaio_laptop = 1;
-		printk(KERN_INFO "%s laptop detected.\n", d->ident);
-	}
-	return 0;
-}
-
 /*
  * This bios swaps the APM minute reporting bytes over (Many sony laptops
  * have this problem).
@@ -639,11 +620,6 @@ static __initdata struct dmi_blacklist dmi_blacklist[]={
 			MATCH(DMI_BIOS_VERSION, "0AASNP05"), 
 			NO_MATCH, NO_MATCH,
 			} },
-	{ sony_vaio_laptop, "Sony Vaio", { /* This is a Sony Vaio laptop */
-			MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
-			MATCH(DMI_PRODUCT_NAME, "PCG-"),
-			NO_MATCH, NO_MATCH,
-			} },
 	{ swab_apm_power_in_minutes, "Sony VAIO", { /* Handle problems with APM on Sony Vaio PCG-N505X(DE) */
 			MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
 			MATCH(DMI_BIOS_VERSION, "R0206H"),

arch/i386/kernel/i386_ksyms.c

@@ -187,9 +187,6 @@ EXPORT_SYMBOL_NOVERS(memcmp);
 EXPORT_SYMBOL(atomic_dec_and_lock);
 #endif
 
-extern int is_sony_vaio_laptop;
-EXPORT_SYMBOL(is_sony_vaio_laptop);
-
 EXPORT_SYMBOL(__PAGE_KERNEL);
 
 #ifdef CONFIG_HIGHMEM

drivers/char/sonypi.c

@@ -43,6 +43,7 @@
 #include <linux/delay.h>
 #include <linux/wait.h>
 #include <linux/acpi.h>
+#include <linux/dmi.h>
 
 #include <asm/uaccess.h>
 #include <asm/io.h>
@@ -820,10 +821,21 @@ static void __devexit sonypi_remove(void) {
 	printk(KERN_INFO "sonypi: removed.\n");
 }
 
-static int __init sonypi_init_module(void) {
-	struct pci_dev *pcidev = NULL;
+static struct dmi_system_id __initdata sonypi_dmi_table[] = {
+	{
+		.ident = "Sony Vaio",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
+		},
+	},
+	{ }
+};
 
-	if (is_sony_vaio_laptop) {
+static int __init sonypi_init_module(void)
+{
+	struct pci_dev *pcidev = NULL;
+	if (dmi_check_system(sonypi_dmi_table)) {
 		pcidev = pci_find_device(PCI_VENDOR_ID_INTEL, 
 					 PCI_DEVICE_ID_INTEL_82371AB_3, 
 					 NULL);

include/asm-i386/system.h

@@ -466,7 +466,6 @@ void disable_hlt(void);
 void enable_hlt(void);
 
 extern unsigned long dmi_broken;
-extern int is_sony_vaio_laptop;
 extern int es7000_plat;
 
 #define BROKEN_ACPI_Sx		0x0001