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path: root/drivers/crypto/amcc/crypto4xx_core.c
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Diffstat (limited to 'drivers/crypto/amcc/crypto4xx_core.c')
-rw-r--r--drivers/crypto/amcc/crypto4xx_core.c103
1 files changed, 22 insertions, 81 deletions
diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c
index 6006703fb6d7..8cdc66d520c9 100644
--- a/drivers/crypto/amcc/crypto4xx_core.c
+++ b/drivers/crypto/amcc/crypto4xx_core.c
@@ -485,18 +485,6 @@ static void crypto4xx_copy_pkt_to_dst(struct crypto4xx_device *dev,
}
}
-static void crypto4xx_copy_digest_to_dst(void *dst,
- struct pd_uinfo *pd_uinfo,
- struct crypto4xx_ctx *ctx)
-{
- struct dynamic_sa_ctl *sa = (struct dynamic_sa_ctl *) ctx->sa_in;
-
- if (sa->sa_command_0.bf.hash_alg == SA_HASH_ALG_SHA1) {
- memcpy(dst, pd_uinfo->sr_va->save_digest,
- SA_HASH_ALG_SHA1_DIGEST_SIZE);
- }
-}
-
static void crypto4xx_ret_sg_desc(struct crypto4xx_device *dev,
struct pd_uinfo *pd_uinfo)
{
@@ -549,23 +537,6 @@ static void crypto4xx_cipher_done(struct crypto4xx_device *dev,
skcipher_request_complete(req, 0);
}
-static void crypto4xx_ahash_done(struct crypto4xx_device *dev,
- struct pd_uinfo *pd_uinfo)
-{
- struct crypto4xx_ctx *ctx;
- struct ahash_request *ahash_req;
-
- ahash_req = ahash_request_cast(pd_uinfo->async_req);
- ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(ahash_req));
-
- crypto4xx_copy_digest_to_dst(ahash_req->result, pd_uinfo, ctx);
- crypto4xx_ret_sg_desc(dev, pd_uinfo);
-
- if (pd_uinfo->state & PD_ENTRY_BUSY)
- ahash_request_complete(ahash_req, -EINPROGRESS);
- ahash_request_complete(ahash_req, 0);
-}
-
static void crypto4xx_aead_done(struct crypto4xx_device *dev,
struct pd_uinfo *pd_uinfo,
struct ce_pd *pd)
@@ -642,9 +613,6 @@ static void crypto4xx_pd_done(struct crypto4xx_device *dev, u32 idx)
case CRYPTO_ALG_TYPE_AEAD:
crypto4xx_aead_done(dev, pd_uinfo, pd);
break;
- case CRYPTO_ALG_TYPE_AHASH:
- crypto4xx_ahash_done(dev, pd_uinfo);
- break;
}
}
@@ -653,9 +621,6 @@ static void crypto4xx_stop_all(struct crypto4xx_core_device *core_dev)
crypto4xx_destroy_pdr(core_dev->dev);
crypto4xx_destroy_gdr(core_dev->dev);
crypto4xx_destroy_sdr(core_dev->dev);
- iounmap(core_dev->dev->ce_base);
- kfree(core_dev->dev);
- kfree(core_dev);
}
static u32 get_next_gd(u32 current)
@@ -679,7 +644,7 @@ int crypto4xx_build_pd(struct crypto_async_request *req,
struct scatterlist *src,
struct scatterlist *dst,
const unsigned int datalen,
- const __le32 *iv, const u32 iv_len,
+ const void *iv, const u32 iv_len,
const struct dynamic_sa_ctl *req_sa,
const unsigned int sa_len,
const unsigned int assoclen,
@@ -915,8 +880,7 @@ int crypto4xx_build_pd(struct crypto_async_request *req,
}
pd->pd_ctl.w = PD_CTL_HOST_READY |
- ((crypto_tfm_alg_type(req->tfm) == CRYPTO_ALG_TYPE_AHASH) ||
- (crypto_tfm_alg_type(req->tfm) == CRYPTO_ALG_TYPE_AEAD) ?
+ ((crypto_tfm_alg_type(req->tfm) == CRYPTO_ALG_TYPE_AEAD) ?
PD_CTL_HASH_FINAL : 0);
pd->pd_ctl_len.w = 0x00400000 | (assoclen + datalen);
pd_uinfo->state = PD_ENTRY_INUSE | (is_busy ? PD_ENTRY_BUSY : 0);
@@ -1022,10 +986,6 @@ static int crypto4xx_register_alg(struct crypto4xx_device *sec_dev,
rc = crypto_register_aead(&alg->alg.u.aead);
break;
- case CRYPTO_ALG_TYPE_AHASH:
- rc = crypto_register_ahash(&alg->alg.u.hash);
- break;
-
case CRYPTO_ALG_TYPE_RNG:
rc = crypto_register_rng(&alg->alg.u.rng);
break;
@@ -1051,10 +1011,6 @@ static void crypto4xx_unregister_alg(struct crypto4xx_device *sec_dev)
list_for_each_entry_safe(alg, tmp, &sec_dev->alg_list, entry) {
list_del(&alg->entry);
switch (alg->alg.type) {
- case CRYPTO_ALG_TYPE_AHASH:
- crypto_unregister_ahash(&alg->alg.u.hash);
- break;
-
case CRYPTO_ALG_TYPE_AEAD:
crypto_unregister_aead(&alg->alg.u.aead);
break;
@@ -1333,17 +1289,12 @@ static struct crypto4xx_alg_common crypto4xx_alg[] = {
static int crypto4xx_probe(struct platform_device *ofdev)
{
int rc;
- struct resource res;
struct device *dev = &ofdev->dev;
struct crypto4xx_core_device *core_dev;
struct device_node *np;
u32 pvr;
bool is_revb = true;
- rc = of_address_to_resource(ofdev->dev.of_node, 0, &res);
- if (rc)
- return -ENODEV;
-
np = of_find_compatible_node(NULL, NULL, "amcc,ppc460ex-crypto");
if (np) {
mtdcri(SDR0, PPC460EX_SDR0_SRST,
@@ -1374,16 +1325,17 @@ static int crypto4xx_probe(struct platform_device *ofdev)
of_node_put(np);
- core_dev = kzalloc(sizeof(struct crypto4xx_core_device), GFP_KERNEL);
+ core_dev = devm_kzalloc(
+ &ofdev->dev, sizeof(struct crypto4xx_core_device), GFP_KERNEL);
if (!core_dev)
return -ENOMEM;
dev_set_drvdata(dev, core_dev);
core_dev->ofdev = ofdev;
- core_dev->dev = kzalloc(sizeof(struct crypto4xx_device), GFP_KERNEL);
- rc = -ENOMEM;
+ core_dev->dev = devm_kzalloc(
+ &ofdev->dev, sizeof(struct crypto4xx_device), GFP_KERNEL);
if (!core_dev->dev)
- goto err_alloc_dev;
+ return -ENOMEM;
/*
* Older version of 460EX/GT have a hardware bug.
@@ -1402,7 +1354,9 @@ static int crypto4xx_probe(struct platform_device *ofdev)
core_dev->dev->core_dev = core_dev;
core_dev->dev->is_revb = is_revb;
core_dev->device = dev;
- mutex_init(&core_dev->rng_lock);
+ rc = devm_mutex_init(&ofdev->dev, &core_dev->rng_lock);
+ if (rc)
+ return rc;
spin_lock_init(&core_dev->lock);
INIT_LIST_HEAD(&core_dev->dev->alg_list);
ratelimit_default_init(&core_dev->dev->aead_ratelimit);
@@ -1421,21 +1375,21 @@ static int crypto4xx_probe(struct platform_device *ofdev)
tasklet_init(&core_dev->tasklet, crypto4xx_bh_tasklet_cb,
(unsigned long) dev);
- core_dev->dev->ce_base = of_iomap(ofdev->dev.of_node, 0);
- if (!core_dev->dev->ce_base) {
- dev_err(dev, "failed to of_iomap\n");
- rc = -ENOMEM;
- goto err_iomap;
+ core_dev->dev->ce_base = devm_platform_ioremap_resource(ofdev, 0);
+ if (IS_ERR(core_dev->dev->ce_base)) {
+ dev_err(&ofdev->dev, "failed to ioremap resource");
+ rc = PTR_ERR(core_dev->dev->ce_base);
+ goto err_build_sdr;
}
/* Register for Crypto isr, Crypto Engine IRQ */
core_dev->irq = irq_of_parse_and_map(ofdev->dev.of_node, 0);
- rc = request_irq(core_dev->irq, is_revb ?
- crypto4xx_ce_interrupt_handler_revb :
- crypto4xx_ce_interrupt_handler, 0,
- KBUILD_MODNAME, dev);
+ rc = devm_request_irq(&ofdev->dev, core_dev->irq,
+ is_revb ? crypto4xx_ce_interrupt_handler_revb :
+ crypto4xx_ce_interrupt_handler,
+ 0, KBUILD_MODNAME, dev);
if (rc)
- goto err_request_irq;
+ goto err_iomap;
/* need to setup pdr, rdr, gdr and sdr before this */
crypto4xx_hw_init(core_dev->dev);
@@ -1444,26 +1398,17 @@ static int crypto4xx_probe(struct platform_device *ofdev)
rc = crypto4xx_register_alg(core_dev->dev, crypto4xx_alg,
ARRAY_SIZE(crypto4xx_alg));
if (rc)
- goto err_start_dev;
+ goto err_iomap;
ppc4xx_trng_probe(core_dev);
return 0;
-err_start_dev:
- free_irq(core_dev->irq, dev);
-err_request_irq:
- irq_dispose_mapping(core_dev->irq);
- iounmap(core_dev->dev->ce_base);
err_iomap:
tasklet_kill(&core_dev->tasklet);
err_build_sdr:
crypto4xx_destroy_sdr(core_dev->dev);
crypto4xx_destroy_gdr(core_dev->dev);
crypto4xx_destroy_pdr(core_dev->dev);
- kfree(core_dev->dev);
-err_alloc_dev:
- kfree(core_dev);
-
return rc;
}
@@ -1474,13 +1419,9 @@ static void crypto4xx_remove(struct platform_device *ofdev)
ppc4xx_trng_remove(core_dev);
- free_irq(core_dev->irq, dev);
- irq_dispose_mapping(core_dev->irq);
-
tasklet_kill(&core_dev->tasklet);
/* Un-register with Linux CryptoAPI */
crypto4xx_unregister_alg(core_dev->dev);
- mutex_destroy(&core_dev->rng_lock);
/* Free all allocated memory */
crypto4xx_stop_all(core_dev);
}
@@ -1497,7 +1438,7 @@ static struct platform_driver crypto4xx_driver = {
.of_match_table = crypto4xx_match,
},
.probe = crypto4xx_probe,
- .remove_new = crypto4xx_remove,
+ .remove = crypto4xx_remove,
};
module_platform_driver(crypto4xx_driver);
generated by cgit (git 2.34.1) at 2025-07-25 19:01:48 +0000