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[PATCH 01/12] crypto: atmel-sha: create function to get an Atmel SHA device

From Cyrille Pitchen <cyrille.pitchen@atmel.com>
Newsgroups linux.kernel
Subject [PATCH 01/12] crypto: atmel-sha: create function to get an Atmel SHA device
Date 2016-12-22 17:20 +0100
Message-ID <sReg2-3hw-39@gated-at.bofh.it> (permalink)
References <sReg1-3hw-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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This is a transitional patch: it creates the atmel_sha_find_dev() function,
which will be used in further patches to share the source code responsible
for finding a Atmel SHA device.

Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
---
 drivers/crypto/atmel-sha.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index 97e34799e077..33a36e667547 100644
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -260,11 +260,8 @@ static void atmel_sha_fill_padding(struct atmel_sha_reqctx *ctx, int length)
 	}
 }
 
-static int atmel_sha_init(struct ahash_request *req)
+static struct atmel_sha_dev *atmel_sha_find_dev(struct atmel_sha_ctx *tctx)
 {
-	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
-	struct atmel_sha_ctx *tctx = crypto_ahash_ctx(tfm);
-	struct atmel_sha_reqctx *ctx = ahash_request_ctx(req);
 	struct atmel_sha_dev *dd = NULL;
 	struct atmel_sha_dev *tmp;
 
@@ -281,6 +278,16 @@ static int atmel_sha_init(struct ahash_request *req)
 
 	spin_unlock_bh(&atmel_sha.lock);
 
+	return dd;
+}
+
+static int atmel_sha_init(struct ahash_request *req)
+{
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct atmel_sha_ctx *tctx = crypto_ahash_ctx(tfm);
+	struct atmel_sha_reqctx *ctx = ahash_request_ctx(req);
+	struct atmel_sha_dev *dd = atmel_sha_find_dev(tctx);
+
 	ctx->dd = dd;
 
 	ctx->flags = 0;
-- 
2.7.4

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[PATCH 00/12] crypto: atmel-authenc: add support to authenc(hmac(shaX),Y(aes)) modes Cyrille Pitchen <cyrille.pitchen@atmel.com> - 2016-12-22 17:20 +0100
  [PATCH 06/12] crypto: atmel-sha: add SHA_MR_MODE_IDATAR0 Cyrille Pitchen <cyrille.pitchen@atmel.com> - 2016-12-22 17:20 +0100
  [PATCH 05/12] crypto: atmel-sha: add atmel_sha_wait_for_data_ready() Cyrille Pitchen <cyrille.pitchen@atmel.com> - 2016-12-22 17:20 +0100
  [PATCH 03/12] crypto: atmel-sha: make atmel_sha_done_task more generic Cyrille Pitchen <cyrille.pitchen@atmel.com> - 2016-12-22 17:20 +0100
  [PATCH 04/12] crypto: atmel-sha: redefine SHA_FLAGS_SHA* flags to match SHA_MR_ALGO_SHA* Cyrille Pitchen <cyrille.pitchen@atmel.com> - 2016-12-22 17:20 +0100
  [PATCH 11/12] crypto: atmel-authenc: add support to authenc(hmac(shaX),Y(aes)) modes Cyrille Pitchen <cyrille.pitchen@atmel.com> - 2016-12-22 17:20 +0100
  [PATCH 02/12] crypto: atmel-sha: update request queue management to make it more generic Cyrille Pitchen <cyrille.pitchen@atmel.com> - 2016-12-22 17:20 +0100
  [PATCH 12/12] crypto: atmel-sha: add verbose debug facilities to print hw register names Cyrille Pitchen <cyrille.pitchen@atmel.com> - 2016-12-22 17:20 +0100
  [PATCH 01/12] crypto: atmel-sha: create function to get an Atmel SHA device Cyrille Pitchen <cyrille.pitchen@atmel.com> - 2016-12-22 17:20 +0100

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