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Diffstat (limited to 'drivers/acpi/osl.c')
-rw-r--r--drivers/acpi/osl.c40
1 files changed, 2 insertions, 38 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 00d53c2fd1e8..12c09fafce9a 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -77,13 +77,7 @@ static struct workqueue_struct *kacpi_notify_wq;
77#define OSI_STRING_LENGTH_MAX 64 /* arbitrary */ 77#define OSI_STRING_LENGTH_MAX 64 /* arbitrary */
78static char osi_additional_string[OSI_STRING_LENGTH_MAX]; 78static char osi_additional_string[OSI_STRING_LENGTH_MAX];
79 79
80#define OSI_LINUX_ENABLED 80static int osi_linux; /* disable _OSI(Linux) by default */
81#ifdef OSI_LINUX_ENABLED
82int osi_linux = 1; /* enable _OSI(Linux) by default */
83#else
84int osi_linux; /* disable _OSI(Linux) by default */
85#endif
86
87 81
88#ifdef CONFIG_DMI 82#ifdef CONFIG_DMI
89static struct __initdata dmi_system_id acpi_osl_dmi_table[]; 83static struct __initdata dmi_system_id acpi_osl_dmi_table[];
@@ -1183,17 +1177,10 @@ acpi_os_validate_interface (char *interface)
1183 if (!strcmp("Linux", interface)) { 1177 if (!strcmp("Linux", interface)) {
1184 printk(KERN_WARNING PREFIX 1178 printk(KERN_WARNING PREFIX
1185 "System BIOS is requesting _OSI(Linux)\n"); 1179 "System BIOS is requesting _OSI(Linux)\n");
1186#ifdef OSI_LINUX_ENABLED
1187 printk(KERN_WARNING PREFIX
1188 "Please test with \"acpi_osi=!Linux\"\n"
1189 "Please send dmidecode "
1190 "to linux-acpi@vger.kernel.org\n");
1191#else
1192 printk(KERN_WARNING PREFIX 1180 printk(KERN_WARNING PREFIX
1193 "If \"acpi_osi=Linux\" works better,\n" 1181 "If \"acpi_osi=Linux\" works better,\n"
1194 "Please send dmidecode " 1182 "Please send dmidecode "
1195 "to linux-acpi@vger.kernel.org\n"); 1183 "to linux-acpi@vger.kernel.org\n");
1196#endif
1197 if(osi_linux) 1184 if(osi_linux)
1198 return AE_OK; 1185 return AE_OK;
1199 } 1186 }
@@ -1227,36 +1214,14 @@ acpi_os_validate_address (
1227} 1214}
1228 1215
1229#ifdef CONFIG_DMI 1216#ifdef CONFIG_DMI
1230#ifdef OSI_LINUX_ENABLED
1231static int dmi_osi_not_linux(struct dmi_system_id *d)
1232{
1233 printk(KERN_NOTICE "%s detected: requires not _OSI(Linux)\n", d->ident);
1234 enable_osi_linux(0);
1235 return 0;
1236}
1237#else
1238static int dmi_osi_linux(struct dmi_system_id *d) 1217static int dmi_osi_linux(struct dmi_system_id *d)
1239{ 1218{
1240 printk(KERN_NOTICE "%s detected: requires _OSI(Linux)\n", d->ident); 1219 printk(KERN_NOTICE "%s detected: enabling _OSI(Linux)\n", d->ident);
1241 enable_osi_linux(1); 1220 enable_osi_linux(1);
1242 return 0; 1221 return 0;
1243} 1222}
1244#endif
1245 1223
1246static struct dmi_system_id acpi_osl_dmi_table[] __initdata = { 1224static struct dmi_system_id acpi_osl_dmi_table[] __initdata = {
1247#ifdef OSI_LINUX_ENABLED
1248 /*
1249 * Boxes that need NOT _OSI(Linux)
1250 */
1251 {
1252 .callback = dmi_osi_not_linux,
1253 .ident = "Toshiba Satellite P100",
1254 .matches = {
1255 DMI_MATCH(DMI_BOARD_VENDOR, "TOSHIBA"),
1256 DMI_MATCH(DMI_BOARD_NAME, "Satellite P100"),
1257 },
1258 },
1259#else
1260 /* 1225 /*
1261 * Boxes that need _OSI(Linux) 1226 * Boxes that need _OSI(Linux)
1262 */ 1227 */
@@ -1268,7 +1233,6 @@ static struct dmi_system_id acpi_osl_dmi_table[] __initdata = {
1268 DMI_MATCH(DMI_BOARD_NAME, "MPAD-MSAE Customer Reference Boards"), 1233 DMI_MATCH(DMI_BOARD_NAME, "MPAD-MSAE Customer Reference Boards"),
1269 }, 1234 },
1270 }, 1235 },
1271#endif
1272 {} 1236 {}
1273}; 1237};
1274#endif /* CONFIG_DMI */ 1238#endif /* CONFIG_DMI */