Merge branch 'ec' into release

[linux-2.6-omap-h63xx.git] / drivers / acpi / system.c

diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index 11995b612ad72710d91bd3790fe0ed2e9beee772..6e4107f824039bdee65174c38dbcce06672ee119 100644 (file)
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -78,9 +78,15 @@ static ssize_t acpi_table_show(struct kobject *kobj,
            container_of(bin_attr, struct acpi_table_attr, attr);
        struct acpi_table_header *table_header = NULL;
        acpi_status status;
+       char name[ACPI_NAME_SIZE];
+
+       if (strncmp(table_attr->name, "NULL", 4))
+               memcpy(name, table_attr->name, ACPI_NAME_SIZE);
+       else
+               memcpy(name, "\0\0\0\0", 4);
 
        status =
-           acpi_get_table(table_attr->name, table_attr->instance,
+           acpi_get_table(name, table_attr->instance,
                           &table_header);
        if (ACPI_FAILURE(status))
                return -ENODEV;
@@ -95,21 +101,24 @@ static void acpi_table_attr_init(struct acpi_table_attr *table_attr,
        struct acpi_table_header *header = NULL;
        struct acpi_table_attr *attr = NULL;
 
-       memcpy(table_attr->name, table_header->signature, ACPI_NAME_SIZE);
+       if (table_header->signature[0] != '\0')
+               memcpy(table_attr->name, table_header->signature,
+                       ACPI_NAME_SIZE);
+       else
+               memcpy(table_attr->name, "NULL", 4);
 
        list_for_each_entry(attr, &acpi_table_attr_list, node) {
-               if (!memcmp(table_header->signature, attr->name,
-                           ACPI_NAME_SIZE))
+               if (!memcmp(table_attr->name, attr->name, ACPI_NAME_SIZE))
                        if (table_attr->instance < attr->instance)
                                table_attr->instance = attr->instance;
        }
        table_attr->instance++;
 
        if (table_attr->instance > 1 || (table_attr->instance == 1 &&
-                                        !acpi_get_table(table_header->
-                                                        signature, 2,
-                                                        &header)))
-               sprintf(table_attr->name + 4, "%d", table_attr->instance);
+                                       !acpi_get_table
+                                       (table_header->signature, 2, &header)))
+               sprintf(table_attr->name + ACPI_NAME_SIZE, "%d",
+                       table_attr->instance);
 
        table_attr->attr.size = 0;
        table_attr->attr.read = acpi_table_show;
@@ -167,7 +176,6 @@ static int acpi_system_sysfs_init(void)
 #define COUNT_ERROR 2  /* other */
 #define NUM_COUNTERS_EXTRA 3
 
-#define ACPI_EVENT_VALID       0x01
 struct event_counter {
        u32 count;
        u32 flags;
@@ -312,12 +320,6 @@ static int get_status(u32 index, acpi_event_status *status, acpi_handle *handle)
        } else if (index < (num_gpes + ACPI_NUM_FIXED_EVENTS))
                result = acpi_get_event_status(index - num_gpes, status);
 
-       /*
-        * sleep/power button GPE/Fixed Event is enabled after acpi_system_init,
-        * check the status at runtime and mark it as valid once it's enabled
-        */
-       if (!result && (*status & ACPI_EVENT_FLAG_ENABLED))
-               all_counters[index].flags |= ACPI_EVENT_VALID;
 end:
        return result;
 }
@@ -346,12 +348,14 @@ static ssize_t counter_show(struct kobject *kobj,
        if (result)
                goto end;
 
-       if (!(all_counters[index].flags & ACPI_EVENT_VALID))
-               size += sprintf(buf + size, "  invalid");
+       if (!(status & ACPI_EVENT_FLAG_HANDLE))
+               size += sprintf(buf + size, "   invalid");
        else if (status & ACPI_EVENT_FLAG_ENABLED)
-               size += sprintf(buf + size, "   enable");
+               size += sprintf(buf + size, "   enabled");
+       else if (status & ACPI_EVENT_FLAG_WAKE_ENABLED)
+               size += sprintf(buf + size, "   wake_enabled");
        else
-               size += sprintf(buf + size, "  disable");
+               size += sprintf(buf + size, "   disabled");
 
 end:
        size += sprintf(buf + size, "\n");
@@ -385,7 +389,7 @@ static ssize_t counter_set(struct kobject *kobj,
        if (result)
                goto end;
 
-       if (!(all_counters[index].flags & ACPI_EVENT_VALID)) {
+       if (!(status & ACPI_EVENT_FLAG_HANDLE)) {
                printk(KERN_WARNING PREFIX
                        "Can not change Invalid GPE/Fixed Event status\n");
                return -EINVAL;