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crypto: caam - refactor RSA private key _done callbacks 

Create a common rsa_priv_f_done function, which based
on private key form calls the specific unmap function.

Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Reviewed-by: Horia Geanta <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Iuliana Prodan 2020-02-12 19:55:19 +02:00 committed by Herbert Xu
parent 2ba1e79831
commit d53e44fe98
1 changed files with 18 additions and 43 deletions
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61
drivers/crypto/caam/caampkc.c
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@ -132,10 +132,13 @@ static void rsa_pub_done(struct device *dev, u32 *desc, u32 err, void *context)
akcipher_request_complete(req, ecode);
}
static void rsa_priv_f1_done(struct device *dev, u32 *desc, u32 err,
void *context)
static void rsa_priv_f_done(struct device *dev, u32 *desc, u32 err,
void *context)
{
struct akcipher_request *req = context;
struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);
struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm);
struct caam_rsa_key *key = &ctx->key;
struct rsa_edesc *edesc;
int ecode = 0;
@ -144,45 +147,17 @@ static void rsa_priv_f1_done(struct device *dev, u32 *desc, u32 err,
edesc = container_of(desc, struct rsa_edesc, hw_desc[0]);
rsa_priv_f1_unmap(dev, edesc, req);
rsa_io_unmap(dev, edesc, req);
kfree(edesc);
switch (key->priv_form) {
case FORM1:
rsa_priv_f1_unmap(dev, edesc, req);
break;
case FORM2:
rsa_priv_f2_unmap(dev, edesc, req);
break;
case FORM3:
rsa_priv_f3_unmap(dev, edesc, req);
}
akcipher_request_complete(req, ecode);
}
static void rsa_priv_f2_done(struct device *dev, u32 *desc, u32 err,
void *context)
{
struct akcipher_request *req = context;
struct rsa_edesc *edesc;
int ecode = 0;
if (err)
ecode = caam_jr_strstatus(dev, err);
edesc = container_of(desc, struct rsa_edesc, hw_desc[0]);
rsa_priv_f2_unmap(dev, edesc, req);
rsa_io_unmap(dev, edesc, req);
kfree(edesc);
akcipher_request_complete(req, ecode);
}
static void rsa_priv_f3_done(struct device *dev, u32 *desc, u32 err,
void *context)
{
struct akcipher_request *req = context;
struct rsa_edesc *edesc;
int ecode = 0;
if (err)
ecode = caam_jr_strstatus(dev, err);
edesc = container_of(desc, struct rsa_edesc, hw_desc[0]);
rsa_priv_f3_unmap(dev, edesc, req);
rsa_io_unmap(dev, edesc, req);
kfree(edesc);
@ -691,7 +666,7 @@ static int caam_rsa_dec_priv_f1(struct akcipher_request *req)
/* Initialize Job Descriptor */
init_rsa_priv_f1_desc(edesc->hw_desc, &edesc->pdb.priv_f1);
ret = caam_jr_enqueue(jrdev, edesc->hw_desc, rsa_priv_f1_done, req);
ret = caam_jr_enqueue(jrdev, edesc->hw_desc, rsa_priv_f_done, req);
if (!ret)
return -EINPROGRESS;
@ -724,7 +699,7 @@ static int caam_rsa_dec_priv_f2(struct akcipher_request *req)
/* Initialize Job Descriptor */
init_rsa_priv_f2_desc(edesc->hw_desc, &edesc->pdb.priv_f2);
ret = caam_jr_enqueue(jrdev, edesc->hw_desc, rsa_priv_f2_done, req);
ret = caam_jr_enqueue(jrdev, edesc->hw_desc, rsa_priv_f_done, req);
if (!ret)
return -EINPROGRESS;
@ -757,7 +732,7 @@ static int caam_rsa_dec_priv_f3(struct akcipher_request *req)
/* Initialize Job Descriptor */
init_rsa_priv_f3_desc(edesc->hw_desc, &edesc->pdb.priv_f3);
ret = caam_jr_enqueue(jrdev, edesc->hw_desc, rsa_priv_f3_done, req);
ret = caam_jr_enqueue(jrdev, edesc->hw_desc, rsa_priv_f_done, req);
if (!ret)
return -EINPROGRESS;