PM / sleep: Drop unused `info' variable

Commit 32e8d689dc12 (PM / sleep: trace_device_pm_callback coverage in
dpm_prepare/complete) removed all users of this variable but forgot to
remove the variable itself.

Signed-off-by: Thierry Reding <treding@nvidia.com>
[ rjw: Subject ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 6e7c3ccea24bbd3d2c10e199fe4b2018477a8a0c..c81667d4bb6028cdaa73c12490100d5f5406cfc6 100644 (file)
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -1556,7 +1556,6 @@ int dpm_suspend(pm_message_t state)
 static int device_prepare(struct device *dev, pm_message_t state)
 {
        int (*callback)(struct device *) = NULL;
-       char *info = NULL;
        int ret = 0;
 
        if (dev->power.syscore)
@@ -1579,24 +1578,17 @@ static int device_prepare(struct device *dev, pm_message_t state)
                goto unlock;
        }
 
-       if (dev->pm_domain) {
-               info = "preparing power domain ";
+       if (dev->pm_domain)
                callback = dev->pm_domain->ops.prepare;
-       } else if (dev->type && dev->type->pm) {
-               info = "preparing type ";
+       else if (dev->type && dev->type->pm)
                callback = dev->type->pm->prepare;
-       } else if (dev->class && dev->class->pm) {
-               info = "preparing class ";
+       else if (dev->class && dev->class->pm)
                callback = dev->class->pm->prepare;
-       } else if (dev->bus && dev->bus->pm) {
-               info = "preparing bus ";
+       else if (dev->bus && dev->bus->pm)
                callback = dev->bus->pm->prepare;
-       }
 
-       if (!callback && dev->driver && dev->driver->pm) {
-               info = "preparing driver ";
+       if (!callback && dev->driver && dev->driver->pm)
                callback = dev->driver->pm->prepare;
-       }
 
        if (callback)
                ret = callback(dev);