[HIFN]: Fix max queue length value
All but the last element of the command and result descriptor rings can be
used for crypto requests, fix HIFN_QUEUE_LENGTH.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Acked-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c
index a4b1cea..d6f0423 100644
--- a/drivers/crypto/hifn_795x.c
+++ b/drivers/crypto/hifn_795x.c
@@ -371,7 +371,7 @@
#define HIFN_D_DST_DALIGN 4
-#define HIFN_QUEUE_LENGTH HIFN_D_CMD_RSIZE-5
+#define HIFN_QUEUE_LENGTH HIFN_D_CMD_RSIZE-1
#define AES_MIN_KEY_SIZE 16
#define AES_MAX_KEY_SIZE 32