[MTD] NAND Initialize controller lock and wq only once

The lock simplifying patch did not move the lock and waitqueue
initialization into the controller allocation patch.
This reinitializes waitqueue and spinlocks also for driver
supplied controller stuctures. Move it into the allocation path.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c
index 481541a683ca..4d70dd16cf5d 100644
--- a/drivers/mtd/nand/ndfc.c
+++ b/drivers/mtd/nand/ndfc.c
@@ -293,8 +293,12 @@ static struct platform_driver ndfc_nand_driver = {
 
 static int __init ndfc_nand_init(void)
 {
-        int ret = platform_driver_register(&ndfc_nand_driver);
+        int ret;
 
+        spin_lock_init(&ndfc_ctrl.ndfc_control.lock);
+        init_waitqueue_head(&ndfc_ctrl.ndfc_control.wq);
+
+        ret = platform_driver_register(&ndfc_nand_driver);
         if (!ret)
                 ret = platform_driver_register(&ndfc_chip_driver);
         return ret;