crypto: caam - remove jr register/deregister

remove caam_jr_register and caam_jr_deregister
to allow sharing of job rings.

Signed-off-by: Yuan Kang <Yuan.Kang@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

2 files changed, 2 insertions, 30 deletions

diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index d0f8df1dcec3..a4e266f928c2 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -2228,7 +2228,7 @@ static int caam_cra_init(struct crypto_tfm *tfm)
          * distribute tfms across job rings to ensure in-order
          * crypto request processing per tfm
          */
-        ctx->jrdev = priv->algapi_jr[(tgt_jr / 2) % priv->num_jrs_for_algapi];
+        ctx->jrdev = priv->jrdev[(tgt_jr / 2) % priv->total_jobrs];
 
         /* copy descriptor header template value */
         ctx->class1_alg_type = OP_TYPE_CLASS1_ALG | caam_alg->class1_alg_type;
@@ -2265,7 +2265,6 @@ static void __exit caam_algapi_exit(void)
         struct device *ctrldev;
         struct caam_drv_private *priv;
         struct caam_crypto_alg *t_alg, *n;
-        int i, err;
 
         dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0");
         if (!dev_node) {
@@ -2290,13 +2289,6 @@ static void __exit caam_algapi_exit(void)
                 list_del(&t_alg->entry);
                 kfree(t_alg);
         }
-
-        for (i = 0; i < priv->total_jobrs; i++) {
-                err = caam_jr_deregister(priv->algapi_jr[i]);
-                if (err < 0)
-                        break;
-        }
-        kfree(priv->algapi_jr);
 }
 
 static struct caam_crypto_alg *caam_alg_alloc(struct device *ctrldev,
@@ -2349,7 +2341,7 @@ static int __init caam_algapi_init(void)
 {
         struct device_node *dev_node;
         struct platform_device *pdev;
-        struct device *ctrldev, **jrdev;
+        struct device *ctrldev;
         struct caam_drv_private *priv;
         int i = 0, err = 0;
 
@@ -2370,24 +2362,6 @@ static int __init caam_algapi_init(void)
 
         INIT_LIST_HEAD(&priv->alg_list);
 
-        jrdev = kmalloc(sizeof(*jrdev) * priv->total_jobrs, GFP_KERNEL);
-        if (!jrdev)
-                return -ENOMEM;
-
-        for (i = 0; i < priv->total_jobrs; i++) {
-                err = caam_jr_register(ctrldev, &jrdev[i]);
-                if (err < 0)
-                        break;
-        }
-        if (err < 0 && i == 0) {
-                dev_err(ctrldev, "algapi error in job ring registration: %d\n",
-                        err);
-                kfree(jrdev);
-                return err;
-        }
-
-        priv->num_jrs_for_algapi = i;
-        priv->algapi_jr = jrdev;
         atomic_set(&priv->tfm_count, -1);
 
         /* register crypto algorithms the device supports */
diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h
index a34be01b0b29..462be99d9a3c 100644
--- a/drivers/crypto/caam/intern.h
+++ b/drivers/crypto/caam/intern.h
@@ -86,8 +86,6 @@ struct caam_drv_private {
 
         /* which jr allocated to scatterlist crypto */
         atomic_t tfm_count ____cacheline_aligned;
-        int num_jrs_for_algapi;
-        struct device **algapi_jr;
         /* list of registered crypto algorithms (mk generic context handle?) */
         struct list_head alg_list;