Pull bugzilla-8171 into release branch

[linux-2.6-omap-h63xx.git] / drivers / crypto / geode-aes.c

diff --git a/drivers/crypto/geode-aes.c b/drivers/crypto/geode-aes.c
index 31ea405f2eeb5fbe8d8fdb94b0f785f58729208f..711e246e1ef021ee66fd297105482328580b0cd8 100644 (file)
--- a/drivers/crypto/geode-aes.c
+++ b/drivers/crypto/geode-aes.c
@@ -8,7 +8,6 @@
 
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/sched.h>
 #include <linux/pci.h>
 #include <linux/pci_ids.h>
 #include <linux/crypto.h>
@@ -100,15 +99,18 @@ do_crypt(void *src, void *dst, int len, u32 flags)
 static unsigned int
 geode_aes_crypt(struct geode_aes_op *op)
 {
-
        u32 flags = 0;
-       int iflags;
+       unsigned long iflags;
 
-       if (op->len == 0 || op->src == op->dst)
+       if (op->len == 0)
                return 0;
 
-       if (op->flags & AES_FLAGS_COHERENT)
-               flags |= (AES_CTRL_DCA | AES_CTRL_SCA);
+       /* If the source and destination is the same, then
+        * we need to turn on the coherent flags, otherwise
+        * we don't need to worry
+        */
+
+       flags |= (AES_CTRL_DCA | AES_CTRL_SCA);
 
        if (op->dir == AES_DIR_ENCRYPT)
                flags |= AES_CTRL_ENCRYPT;
@@ -122,7 +124,7 @@ geode_aes_crypt(struct geode_aes_op *op)
                _writefield(AES_WRITEIV0_REG, op->iv);
        }
 
-       if (op->flags & AES_FLAGS_USRKEY) {
+       if (!(op->flags & AES_FLAGS_HIDDENKEY)) {
                flags |= AES_CTRL_WRKEY;
                _writefield(AES_WRITEKEY0_REG, op->key);
        }
@@ -291,6 +293,7 @@ static struct crypto_alg geode_cbc_alg = {
                        .setkey                 =       geode_setkey,
                        .encrypt                =       geode_cbc_encrypt,
                        .decrypt                =       geode_cbc_decrypt,
+                       .ivsize                 =       AES_IV_LENGTH,
                }
        }
 };
@@ -469,6 +472,7 @@ geode_aes_exit(void)
 MODULE_AUTHOR("Advanced Micro Devices, Inc.");
 MODULE_DESCRIPTION("Geode LX Hardware AES driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("aes");
 
 module_init(geode_aes_init);
 module_exit(geode_aes_exit);