diff options
Diffstat (limited to 'drivers/crypto/nx/nx-842-powernv.c')
| -rw-r--r-- | drivers/crypto/nx/nx-842-powernv.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/crypto/nx/nx-842-powernv.c b/drivers/crypto/nx/nx-842-powernv.c index 7e474562058d..684ce51d2d68 100644 --- a/drivers/crypto/nx/nx-842-powernv.c +++ b/drivers/crypto/nx/nx-842-powernv.c @@ -26,6 +26,8 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Dan Streetman <ddstreet@ieee.org>"); MODULE_DESCRIPTION("842 H/W Compression driver for IBM PowerNV processors"); +MODULE_ALIAS_CRYPTO("842"); +MODULE_ALIAS_CRYPTO("842-nx"); #define WORKMEM_ALIGN (CRB_ALIGN) #define CSB_WAIT_MAX (5000) /* ms */ @@ -581,9 +583,29 @@ static struct nx842_driver nx842_powernv_driver = { .decompress = nx842_powernv_decompress, }; +static int nx842_powernv_crypto_init(struct crypto_tfm *tfm) +{ + return nx842_crypto_init(tfm, &nx842_powernv_driver); +} + +static struct crypto_alg nx842_powernv_alg = { + .cra_name = "842", + .cra_driver_name = "842-nx", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, + .cra_ctxsize = sizeof(struct nx842_crypto_ctx), + .cra_module = THIS_MODULE, + .cra_init = nx842_powernv_crypto_init, + .cra_exit = nx842_crypto_exit, + .cra_u = { .compress = { + .coa_compress = nx842_crypto_compress, + .coa_decompress = nx842_crypto_decompress } } +}; + static __init int nx842_powernv_init(void) { struct device_node *dn; + int ret; /* verify workmem size/align restrictions */ BUILD_BUG_ON(WORKMEM_ALIGN % CRB_ALIGN); @@ -600,7 +622,8 @@ static __init int nx842_powernv_init(void) if (!nx842_ct) return -ENODEV; - if (!nx842_platform_driver_set(&nx842_powernv_driver)) { + ret = crypto_register_alg(&nx842_powernv_alg); + if (ret) { struct nx842_coproc *coproc, *n; list_for_each_entry_safe(coproc, n, &nx842_coprocs, list) { @@ -608,7 +631,7 @@ static __init int nx842_powernv_init(void) kfree(coproc); } - return -EEXIST; + return ret; } return 0; @@ -619,7 +642,7 @@ static void __exit nx842_powernv_exit(void) { struct nx842_coproc *coproc, *n; - nx842_platform_driver_unset(&nx842_powernv_driver); + crypto_unregister_alg(&nx842_powernv_alg); list_for_each_entry_safe(coproc, n, &nx842_coprocs, list) { list_del(&coproc->list); |