[PATCH 05/18] staging: ks7010: remove unused spin_lock

Tobin C. Harding me at tobin.cc
Tue Apr 11 23:56:50 UTC 2017


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 at tobin.cc>
---
 drivers/staging/ks7010/ks7010_sdio.c | 1 -
 drivers/staging/ks7010/ks7010_sdio.h | 1 -
 2 files changed, 2 deletions(-)

diff --git a/drivers/staging/ks7010/ks7010_sdio.c b/drivers/staging/ks7010/ks7010_sdio.c
index 5f14fd0..59451f8 100644
--- 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 5c697af..e18ce2b 100644
--- a/drivers/staging/ks7010/ks7010_sdio.h
+++ b/drivers/staging/ks7010/ks7010_sdio.h
@@ -106,7 +106,6 @@ struct hw_info_t {
 struct ks_sdio_card {
 	struct sdio_func *func;
 	struct ks_wlan_private *priv;
-	spinlock_t lock;
 };
 
 /* Tx Device struct */
-- 
2.7.4



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