---

yaml
---
r: 57299
b: refs/heads/master
c: 20c4856
h: refs/heads/master
i:
  57297: b2772a4
  57295: fd21aba
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 627aa944a17ba82ca3ba87dc1d6ee85bd314ec79
+refs/heads/master: 20c4856b1d1939647f71dce5e54fe69fde80013f

trunk/Documentation/kernel-parameters.txt

@@ -170,7 +170,10 @@ and is between 256 and 4096 characters. It is defined in the file
 	acpi_os_name=	[HW,ACPI] Tell ACPI BIOS the name of the OS
 			Format: To spoof as Windows 98: ="Microsoft Windows"
 
-	acpi_osi=	[HW,ACPI] empty param disables _OSI
+	acpi_osi=	[HW,ACPI] Modify list of supported OS interface strings
+			acpi_osi="string1"	# add string1 -- only one string
+			acpi_osi="!string2"	# remove built-in string2
+			acpi_osi=		# disable all strings
 
 	acpi_serialize	[HW,ACPI] force serialization of AML methods
 

trunk/Documentation/thinkpad-acpi.txt

@@ -138,7 +138,7 @@ Hot keys
 --------
 
 procfs: /proc/acpi/ibm/hotkey
-sysfs device attribute: hotkey/*
+sysfs device attribute: hotkey_*
 
 Without this driver, only the Fn-F4 key (sleep button) generates an
 ACPI event. With the driver loaded, the hotkey feature enabled and the
@@ -196,30 +196,27 @@ The following commands can be written to the /proc/acpi/ibm/hotkey file:
 
 sysfs notes:
 
-	The hot keys attributes are in a hotkey/ subdirectory off the
-	thinkpad device.
-
-	bios_enabled:
+	hotkey_bios_enabled:
 		Returns the status of the hot keys feature when
 		thinkpad-acpi was loaded.  Upon module unload, the hot
 		key feature status will be restored to this value.
 
 		0: hot keys were disabled
 		1: hot keys were enabled
 
-	bios_mask:
+	hotkey_bios_mask:
 		Returns the hot keys mask when thinkpad-acpi was loaded.
 		Upon module unload, the hot keys mask will be restored
 		to this value.
 
-	enable:
+	hotkey_enable:
 		Enables/disables the hot keys feature, and reports
 		current status of the hot keys feature.
 
 		0: disables the hot keys feature / feature disabled
 		1: enables the hot keys feature / feature enabled
 
-	mask:
+	hotkey_mask:
 		bit mask to enable ACPI event generation for each hot
 		key (see above).  Returns the current status of the hot
 		keys mask, and allows one to modify it.
@@ -229,7 +226,7 @@ Bluetooth
 ---------
 
 procfs: /proc/acpi/ibm/bluetooth
-sysfs device attribute: bluetooth/enable
+sysfs device attribute: bluetooth_enable
 
 This feature shows the presence and current state of a ThinkPad
 Bluetooth device in the internal ThinkPad CDC slot.
@@ -244,15 +241,15 @@ If Bluetooth is installed, the following commands can be used:
 Sysfs notes:
 
 	If the Bluetooth CDC card is installed, it can be enabled /
-	disabled through the "bluetooth/enable" thinkpad-acpi device
+	disabled through the "bluetooth_enable" thinkpad-acpi device
 	attribute, and its current status can also be queried.
 
 	enable:
 		0: disables Bluetooth / Bluetooth is disabled
 		1: enables Bluetooth / Bluetooth is enabled.
 
 	Note: this interface will be probably be superseeded by the
-	generic rfkill class.
+	generic rfkill class, so it is NOT to be considered stable yet.
 
 Video output control -- /proc/acpi/ibm/video
 --------------------------------------------
@@ -898,7 +895,7 @@ EXPERIMENTAL: WAN
 -----------------
 
 procfs: /proc/acpi/ibm/wan
-sysfs device attribute: wwan/enable
+sysfs device attribute: wwan_enable
 
 This feature is marked EXPERIMENTAL because the implementation
 directly accesses hardware registers and may not work as expected. USE
@@ -921,15 +918,15 @@ If the W-WAN card is installed, the following commands can be used:
 Sysfs notes:
 
 	If the W-WAN card is installed, it can be enabled /
-	disabled through the "wwan/enable" thinkpad-acpi device
+	disabled through the "wwan_enable" thinkpad-acpi device
 	attribute, and its current status can also be queried.
 
 	enable:
 		0: disables WWAN card / WWAN card is disabled
 		1: enables WWAN card / WWAN card is enabled.
 
 	Note: this interface will be probably be superseeded by the
-	generic rfkill class.
+	generic rfkill class, so it is NOT to be considered stable yet.
 
 Multiple Commands, Module Parameters
 ------------------------------------

trunk/drivers/acpi/numa.c

@@ -59,7 +59,7 @@ int node_to_pxm(int node)
 	return node_to_pxm_map[node];
 }
 
-int __cpuinit acpi_map_pxm_to_node(int pxm)
+int acpi_map_pxm_to_node(int pxm)
 {
 	int node = pxm_to_node_map[pxm];
 

trunk/drivers/acpi/osl.c

@@ -33,6 +33,7 @@
 #include <linux/interrupt.h>
 #include <linux/kmod.h>
 #include <linux/delay.h>
+#include <linux/dmi.h>
 #include <linux/workqueue.h>
 #include <linux/nmi.h>
 #include <linux/acpi.h>
@@ -73,6 +74,21 @@ static void *acpi_irq_context;
 static struct workqueue_struct *kacpid_wq;
 static struct workqueue_struct *kacpi_notify_wq;
 
+#define	OSI_STRING_LENGTH_MAX 64	/* arbitrary */
+static char osi_additional_string[OSI_STRING_LENGTH_MAX];
+
+#define OSI_LINUX_ENABLED
+#ifdef	OSI_LINUX_ENABLED
+int osi_linux = 1;	/* enable _OSI(Linux) by default */
+#else
+int osi_linux;		/* disable _OSI(Linux) by default */
+#endif
+
+
+#ifdef CONFIG_DMI
+static struct __initdata dmi_system_id acpi_osl_dmi_table[];
+#endif
+
 static void __init acpi_request_region (struct acpi_generic_address *addr,
 	unsigned int length, char *desc)
 {
@@ -121,8 +137,9 @@ static int __init acpi_reserve_resources(void)
 }
 device_initcall(acpi_reserve_resources);
 
-acpi_status acpi_os_initialize(void)
+acpi_status __init acpi_os_initialize(void)
 {
+	dmi_check_system(acpi_osl_dmi_table);
 	return AE_OK;
 }
 
@@ -960,20 +977,38 @@ static int __init acpi_os_name_setup(char *str)
 
 __setup("acpi_os_name=", acpi_os_name_setup);
 
+static void enable_osi_linux(int enable) {
+
+	if (osi_linux != enable)
+		printk(KERN_INFO PREFIX "%sabled _OSI(Linux)\n",
+			enable ? "En": "Dis");
+
+	osi_linux = enable;
+	return;
+}
+
 /*
- * _OSI control
+ * Modify the list of "OS Interfaces" reported to BIOS via _OSI
+ *
  * empty string disables _OSI
- * TBD additional string adds to _OSI
+ * string starting with '!' disables that string
+ * otherwise string is added to list, augmenting built-in strings
  */
 static int __init acpi_osi_setup(char *str)
 {
 	if (str == NULL || *str == '\0') {
 		printk(KERN_INFO PREFIX "_OSI method disabled\n");
 		acpi_gbl_create_osi_method = FALSE;
-	} else {
-		/* TBD */
-		printk(KERN_ERR PREFIX "_OSI additional string ignored -- %s\n",
-		       str);
+	} else if (*str == '!') {
+		if (acpi_osi_invalidate(++str) == AE_OK)
+			printk(KERN_INFO PREFIX "Deleted _OSI(%s)\n", str);
+	} else if (!strcmp("!Linux", str)) {
+		enable_osi_linux(0);
+	} else if (!strcmp("Linux", str)) {
+		enable_osi_linux(1);
+	} else if (*osi_additional_string == '\0') {
+		strncpy(osi_additional_string, str, OSI_STRING_LENGTH_MAX);
+		printk(KERN_INFO PREFIX "Added _OSI(%s)\n", str);
 	}
 
 	return 1;
@@ -1143,11 +1178,28 @@ acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object)
 acpi_status
 acpi_os_validate_interface (char *interface)
 {
-
-    return AE_SUPPORT;
+	if (!strncmp(osi_additional_string, interface, OSI_STRING_LENGTH_MAX))
+		return AE_OK;
+	if (!strcmp("Linux", interface)) {
+		printk(KERN_WARNING PREFIX
+			"System BIOS is requesting _OSI(Linux)\n");
+#ifdef	OSI_LINUX_ENABLED
+		printk(KERN_WARNING PREFIX
+			"Please test with \"acpi_osi=!Linux\"\n"
+			"Please send dmidecode "
+			"to linux-acpi@vger.kernel.org\n");
+#else
+		printk(KERN_WARNING PREFIX
+			"If \"acpi_osi=Linux\" works better,\n"
+			"Please send dmidecode "
+			"to linux-acpi@vger.kernel.org\n");
+#endif
+		if(osi_linux)
+			return AE_OK;
+	}
+	return AE_SUPPORT;
 }
 
-
 /******************************************************************************
  *
  * FUNCTION:    acpi_os_validate_address
@@ -1174,5 +1226,51 @@ acpi_os_validate_address (
     return AE_OK;
 }
 
+#ifdef CONFIG_DMI
+#ifdef	OSI_LINUX_ENABLED
+static int dmi_osi_not_linux(struct dmi_system_id *d)
+{
+	printk(KERN_NOTICE "%s detected: requires not _OSI(Linux)\n", d->ident);
+	enable_osi_linux(0);
+	return 0;
+}
+#else
+static int dmi_osi_linux(struct dmi_system_id *d)
+{
+	printk(KERN_NOTICE "%s detected: requires _OSI(Linux)\n", d->ident);
+	enable_osi_linux(1);
+	return 0;
+}
+#endif
+
+static struct dmi_system_id acpi_osl_dmi_table[] __initdata = {
+#ifdef	OSI_LINUX_ENABLED
+	/*
+	 * Boxes that need NOT _OSI(Linux)
+	 */
+	{
+	 .callback = dmi_osi_not_linux,
+	 .ident = "Toshiba Satellite P100",
+	 .matches = {
+		     DMI_MATCH(DMI_BOARD_VENDOR, "TOSHIBA"),
+		     DMI_MATCH(DMI_BOARD_NAME, "Satellite P100"),
+		     },
+	 },
+#else
+	/*
+	 * Boxes that need _OSI(Linux)
+	 */
+	{
+	 .callback = dmi_osi_linux,
+	 .ident = "Intel Napa CRB",
+	 .matches = {
+		     DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
+		     DMI_MATCH(DMI_BOARD_NAME, "MPAD-MSAE Customer Reference Boards"),
+		     },
+	 },
+#endif
+	{}
+};
+#endif /* CONFIG_DMI */
 
 #endif

trunk/drivers/acpi/tables/tbinstal.c

@@ -123,14 +123,14 @@ acpi_tb_add_table(struct acpi_table_desc *table_desc,
 		}
 	}
 
-	/* The table must be either an SSDT or a PSDT */
+	/* The table must be either an SSDT or a PSDT or an OEMx */
 
 	if ((!ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_PSDT))
 	    &&
-	    (!ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_SSDT)))
-	{
+	    (!ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_SSDT))
+	    && (strncmp(table_desc->pointer->signature, "OEM", 3))) {
 		ACPI_ERROR((AE_INFO,
-			    "Table has invalid signature [%4.4s], must be SSDT or PSDT",
+			    "Table has invalid signature [%4.4s], must be SSDT, PSDT or OEMx",
 			    table_desc->pointer->signature));
 		return_ACPI_STATUS(AE_BAD_SIGNATURE);
 	}

trunk/drivers/acpi/thermal.c

@@ -827,6 +827,7 @@ static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file)
 static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset)
 {
 	struct acpi_thermal *tz = seq->private;
+	struct acpi_device *device;
 	int i = 0;
 	int j = 0;
 
@@ -849,9 +850,8 @@ static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset)
 			   tz->trips.passive.tc1, tz->trips.passive.tc2,
 			   tz->trips.passive.tsp);
 		for (j = 0; j < tz->trips.passive.devices.count; j++) {
-
-			seq_printf(seq, "0x%p ",
-				   tz->trips.passive.devices.handles[j]);
+			acpi_bus_get_device(tz->trips.passive.devices.handles[j], &device);
+			seq_printf(seq, "%4.4s ", acpi_device_bid(device));
 		}
 		seq_puts(seq, "\n");
 	}
@@ -862,9 +862,10 @@ static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset)
 		seq_printf(seq, "active[%d]:               %ld C: devices=",
 			   i,
 			   KELVIN_TO_CELSIUS(tz->trips.active[i].temperature));
-		for (j = 0; j < tz->trips.active[i].devices.count; j++)
-			seq_printf(seq, "0x%p ",
-				   tz->trips.active[i].devices.handles[j]);
+		for (j = 0; j < tz->trips.active[i].devices.count; j++){
+			acpi_bus_get_device(tz->trips.active[i].devices.handles[j], &device);
+			seq_printf(seq, "%4.4s ", acpi_device_bid(device));
+		}
 		seq_puts(seq, "\n");
 	}