staging: ks7010: remove unused spin_lock

Driver SDIO private data structure description includes a spin_lock
that is never used. This data structure only contains a pointer to the
sdio_func and a pointer to the main device private data. A spin_lock
is not required here.

Remove unused spin_lock.

Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/ks7010/ks7010_sdio.c b/drivers/staging/ks7010/ks7010_sdio.c
index 5f14fd0..59451f8 100644 (file)
--- a/drivers/staging/ks7010/ks7010_sdio.c
+++ b/drivers/staging/ks7010/ks7010_sdio.c
@@ -892,7 +892,6 @@ static int ks7010_sdio_probe(struct sdio_func *func,
                return -ENOMEM;
 
        card->func = func;
-       spin_lock_init(&card->lock);
 
        /*** Initialize  SDIO ***/
        sdio_claim_host(func);

diff --git a/drivers/staging/ks7010/ks7010_sdio.h b/drivers/staging/ks7010/ks7010_sdio.h
index d1d16fa..c01a020 100644 (file)
--- a/drivers/staging/ks7010/ks7010_sdio.h
+++ b/drivers/staging/ks7010/ks7010_sdio.h
@@ -98,7 +98,6 @@ struct hw_info_t {
 struct ks_sdio_card {
        struct sdio_func *func;
        struct ks_wlan_private *priv;
-       spinlock_t lock;
 };
 
 /* Tx Device struct */