[PATCH] PM / sleep: Remove unused `info' variable

[Thierry Reding]

From: Thierry Reding <tred...@nvidia.com>

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.

Cc: Todd Brandt <todd.e.bra...@linux.intel.com>
Signed-off-by: Thierry Reding <tred...@nvidia.com>
---
 drivers/base/power/main.c | 18 +++++-------------
 1 file changed, 5 insertions(+), 13 deletions(-)

diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 6e7c3ccea24b..c81667d4bb60 100644
--- 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);
-- 
2.8.0