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authorIngo Molnar <mingo@elte.hu>2009-04-20 18:08:07 +0200
committerIngo Molnar <mingo@elte.hu>2009-04-20 18:08:12 +0200
commit62d170290979e0bb805d969cca4ea852bdd45260 (patch)
tree837372297501a2d144358b44e7db3f88c5612aa2 /drivers/acpi/proc.c
parent8b5b94e4e9813cdd77103827f48d58c806ab45c6 (diff)
parentd91dfbb41bb2e9bdbfbd2cc7078ed7436eab027a (diff)
Merge branch 'linus' into x86/urgent
Merge reason: We need the x86/uv updates from upstream, to queue up dependent fix. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/acpi/proc.c')
-rw-r--r--drivers/acpi/proc.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c
index 05dfdc96802..d0d550d22a6 100644
--- a/drivers/acpi/proc.c
+++ b/drivers/acpi/proc.c
@@ -343,9 +343,6 @@ acpi_system_write_alarm(struct file *file,
}
#endif /* HAVE_ACPI_LEGACY_ALARM */
-extern struct list_head acpi_wakeup_device_list;
-extern spinlock_t acpi_device_lock;
-
static int
acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
{
@@ -353,7 +350,7 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
seq_printf(seq, "Device\tS-state\t Status Sysfs node\n");
- spin_lock(&acpi_device_lock);
+ mutex_lock(&acpi_device_lock);
list_for_each_safe(node, next, &acpi_wakeup_device_list) {
struct acpi_device *dev =
container_of(node, struct acpi_device, wakeup_list);
@@ -361,7 +358,6 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
if (!dev->wakeup.flags.valid)
continue;
- spin_unlock(&acpi_device_lock);
ldev = acpi_get_physical_device(dev->handle);
seq_printf(seq, "%s\t S%d\t%c%-8s ",
@@ -376,9 +372,8 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
seq_printf(seq, "\n");
put_device(ldev);
- spin_lock(&acpi_device_lock);
}
- spin_unlock(&acpi_device_lock);
+ mutex_unlock(&acpi_device_lock);
return 0;
}
@@ -409,7 +404,7 @@ acpi_system_write_wakeup_device(struct file *file,
strbuf[len] = '\0';
sscanf(strbuf, "%s", str);
- spin_lock(&acpi_device_lock);
+ mutex_lock(&acpi_device_lock);
list_for_each_safe(node, next, &acpi_wakeup_device_list) {
struct acpi_device *dev =
container_of(node, struct acpi_device, wakeup_list);
@@ -446,7 +441,7 @@ acpi_system_write_wakeup_device(struct file *file,
}
}
}
- spin_unlock(&acpi_device_lock);
+ mutex_unlock(&acpi_device_lock);
return count;
}