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crypto: omap-des - add IV output handling 

Currently omap-des driver does not copy end result IV out at all. This
is evident with the additional checks done at the crypto test manager.
Fix by copying out the IV values from HW.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Tero Kristo 2019-11-05 16:00:53 +02:00 committed by Herbert Xu
parent e7508ef2a6
commit eb5818aa08
1 changed files with 6 additions and 0 deletions
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6
drivers/crypto/omap-des.c
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@ -597,6 +597,7 @@ static int omap_des_crypt_req(struct crypto_engine *engine,
static void omap_des_done_task(unsigned long data)
{
struct omap_des_dev *dd = (struct omap_des_dev *)data;
int i;
pr_debug("enter done_task\n");
@ -615,6 +616,11 @@ static void omap_des_done_task(unsigned long data)
omap_crypto_cleanup(&dd->out_sgl, dd->orig_out, 0, dd->total_save,
FLAGS_OUT_DATA_ST_SHIFT, dd->flags);
if ((dd->flags & FLAGS_CBC) && dd->req->iv)
for (i = 0; i < 2; i++)
((u32 *)dd->req->iv)[i] =
omap_des_read(dd, DES_REG_IV(dd, i));
omap_des_finish_req(dd, 0);
pr_debug("exit\n");