Input: initialize device counter variables with -1

Let's initialize atomic_t variables keeping track of number of various
devices created so far with -1 in order to avoid extra subtraction
operation.

Signed-off-by: Aniroop Mathur <aniroop.mathur@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c
index 719410feb84b..69caee906ecd 100644
--- a/drivers/input/misc/ims-pcu.c
+++ b/drivers/input/misc/ims-pcu.c
@@ -1851,7 +1851,7 @@ static int ims_pcu_identify_type(struct ims_pcu *pcu, u8 *device_id)
 
 static int ims_pcu_init_application_mode(struct ims_pcu *pcu)
 {
-        static atomic_t device_no = ATOMIC_INIT(0);
+        static atomic_t device_no = ATOMIC_INIT(-1);
 
         const struct ims_pcu_device_info *info;
         int error;
@@ -1882,7 +1882,7 @@ static int ims_pcu_init_application_mode(struct ims_pcu *pcu)
         }
 
         /* Device appears to be operable, complete initialization */
-        pcu->device_no = atomic_inc_return(&device_no) - 1;
+        pcu->device_no = atomic_inc_return(&device_no);
 
         /*
          * PCU-B devices, both GEN_1 and GEN_2 do not have OFN sensor