[v7 PATCH 4/8] crypto: stm32 - Remove unused hdev->err field

From: Herbert Xu
Date: Sat Mar 11 2023 - 04:42:32 EST


The variable hdev->err is never read so it can be removed.

Also remove a spurious inclusion of linux/crypto.h.

Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Tested-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
---

drivers/crypto/stm32/stm32-hash.c | 3 ---
1 file changed, 3 deletions(-)

diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c
index e16f9aaec6bf..e35fee945371 100644
--- a/drivers/crypto/stm32/stm32-hash.c
+++ b/drivers/crypto/stm32/stm32-hash.c
@@ -7,7 +7,6 @@
*/

#include <linux/clk.h>
-#include <linux/crypto.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>
@@ -183,7 +182,6 @@ struct stm32_hash_dev {
struct ahash_request *req;
struct crypto_engine *engine;

- int err;
unsigned long flags;

struct dma_chan *dma_lch;
@@ -894,7 +892,6 @@ static int stm32_hash_hw_init(struct stm32_hash_dev *hdev,
stm32_hash_write(hdev, HASH_STR, 0);
stm32_hash_write(hdev, HASH_DIN, 0);
stm32_hash_write(hdev, HASH_IMR, 0);
- hdev->err = 0;
}

return 0;