[omap]: replace the TI patch with a smaller patchset

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>



git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38816 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 113 insertions, 0 deletions

diff --git a/target/linux/omap/patches-3.12/602-crypto-omap-des-Add-triple-DES-des3_ede-support-to-driver.patch b/target/linux/omap/patches-3.12/602-crypto-omap-des-Add-triple-DES-des3_ede-support-to-driver.patch
new file mode 100644
index 0000000000..f94e0f52bf
--- /dev/null
+++ b/target/linux/omap/patches-3.12/602-crypto-omap-des-Add-triple-DES-des3_ede-support-to-driver.patch
@@ -0,0 +1,113 @@
+From patchwork Thu Aug 29 23:27:53 2013
+Content-Type: text/plain; charset="utf-8"
+MIME-Version: 1.0
+Content-Transfer-Encoding: 7bit
+Subject: [3/3] crypto: omap-des: Add triple DES (des3_ede) support to driver
+From: Joel Fernandes <joelf@ti.com>
+X-Patchwork-Id: 2851679
+Message-Id: <1377818873-21174-4-git-send-email-joelf@ti.com>
+To: Herbert Xu <herbert@gondor.hengli.com.au>, "David S. Miller"
+	<davem@davemloft.net>, Mark Greer <mgreer@animalcreek.com>, Tony Lindgren
+	<tony@atomide.com>, Lokesh Vutla <lokeshvutla@ti.com>
+Cc: Joel Fernandes <joelf@ti.com>,
+	Linux OMAP List <linux-omap@vger.kernel.org>, 
+	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
+	Linux ARM Kernel List <linux-arm-kernel@lists.infradead.org>,
+	Linux Crypto Mailing List <linux-crypto@vger.kernel.org>
+Date: Thu, 29 Aug 2013 18:27:53 -0500
+
+OMAP DES module supports 3DES operation where 3 64-bit keys are used to
+perform a DES encrypt-decrypt-encrypt (ede) operation on a buffer.
+
+Signed-off-by: Joel Fernandes <joelf@ti.com>
+
+---
+drivers/crypto/omap-des.c | 53 ++++++++++++++++++++++++++++++++++++++++++++---
+ 1 file changed, 50 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/crypto/omap-des.c b/drivers/crypto/omap-des.c
+index 6a9a25f..0df60cb 100644
+--- a/drivers/crypto/omap-des.c
++++ b/drivers/crypto/omap-des.c
+@@ -83,7 +83,7 @@ struct omap_des_ctx {
+ 	struct omap_des_dev *dd;
+ 
+ 	int		keylen;
+-	u32		key[DES_KEY_SIZE / sizeof(u32)];
++	u32		key[(3 * DES_KEY_SIZE) / sizeof(u32)];
+ 	unsigned long	flags;
+ };
+ 
+@@ -265,8 +265,10 @@ static int omap_des_write_ctrl(struct omap_des_dev *dd)
+ 		val |= DES_REG_CTRL_CBC;
+ 	if (dd->flags & FLAGS_ENCRYPT)
+ 		val |= DES_REG_CTRL_DIRECTION;
++	if (key32 == 6)
++		val |= DES_REG_CTRL_TDES;
+ 
+-	mask |= DES_REG_CTRL_CBC | DES_REG_CTRL_DIRECTION;
++	mask |= DES_REG_CTRL_CBC | DES_REG_CTRL_DIRECTION | DES_REG_CTRL_TDES;
+ 
+ 	omap_des_write_mask(dd, DES_REG_CTRL(dd), val, mask);
+ 
+@@ -725,7 +727,7 @@ static int omap_des_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
+ {
+ 	struct omap_des_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ 
+-	if (keylen != DES_KEY_SIZE)
++	if (keylen != DES_KEY_SIZE && keylen != (3*DES_KEY_SIZE))
+ 		return -EINVAL;
+ 
+ 	pr_debug("enter, keylen: %d\n", keylen);
+@@ -817,6 +819,51 @@ static struct crypto_alg algs_ecb_cbc[] = {
+ 		.encrypt	= omap_des_cbc_encrypt,
+ 		.decrypt	= omap_des_cbc_decrypt,
+ 	}
++},
++{
++	.cra_name		= "ecb(des3_ede)",
++	.cra_driver_name	= "ecb-des3-omap",
++	.cra_priority		= 100,
++	.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER |
++				  CRYPTO_ALG_KERN_DRIVER_ONLY |
++				  CRYPTO_ALG_ASYNC,
++	.cra_blocksize		= DES_BLOCK_SIZE,
++	.cra_ctxsize		= sizeof(struct omap_des_ctx),
++	.cra_alignmask		= 0,
++	.cra_type		= &crypto_ablkcipher_type,
++	.cra_module		= THIS_MODULE,
++	.cra_init		= omap_des_cra_init,
++	.cra_exit		= omap_des_cra_exit,
++	.cra_u.ablkcipher = {
++		.min_keysize	= 3*DES_KEY_SIZE,
++		.max_keysize	= 3*DES_KEY_SIZE,
++		.setkey		= omap_des_setkey,
++		.encrypt	= omap_des_ecb_encrypt,
++		.decrypt	= omap_des_ecb_decrypt,
++	}
++},
++{
++	.cra_name		= "cbc(des3_ede)",
++	.cra_driver_name	= "cbc-des3-omap",
++	.cra_priority		= 100,
++	.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER |
++				  CRYPTO_ALG_KERN_DRIVER_ONLY |
++				  CRYPTO_ALG_ASYNC,
++	.cra_blocksize		= DES_BLOCK_SIZE,
++	.cra_ctxsize		= sizeof(struct omap_des_ctx),
++	.cra_alignmask		= 0,
++	.cra_type		= &crypto_ablkcipher_type,
++	.cra_module		= THIS_MODULE,
++	.cra_init		= omap_des_cra_init,
++	.cra_exit		= omap_des_cra_exit,
++	.cra_u.ablkcipher = {
++		.min_keysize	= 3*DES_KEY_SIZE,
++		.max_keysize	= 3*DES_KEY_SIZE,
++		.ivsize		= DES_BLOCK_SIZE,
++		.setkey		= omap_des_setkey,
++		.encrypt	= omap_des_cbc_encrypt,
++		.decrypt	= omap_des_cbc_decrypt,
++	}
+ }
+ };
+