diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index 74bd599dfb0ceeac53346c0d07241593a5e74c57..8a70a9edabdafd1d0e4795793e625ca2e645a3e8 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -88,10 +88,16 @@ config CRYPTO_DEV_HIFN_795X select CRYPTO_DES select CRYPTO_ALGAPI select CRYPTO_BLKCIPHER + select HW_RANDOM if CRYPTO_DEV_HIFN_795X_RNG depends on PCI help This option allows you to have support for HIFN 795x crypto adapters. - +config CRYPTO_DEV_HIFN_795X_RNG + bool "HIFN 795x random number generator" + depends on CRYPTO_DEV_HIFN_795X + help + Select this option if you want to enable the random number generator + on the HIFN 795x crypto adapters. endif # CRYPTO_HW diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c index 16413e57597cb49a4894714a91faca62c3c4df72..dfbf24c4033c6fb7dbe0db204edf6aa3b244af0f 100644 --- a/drivers/crypto/hifn_795x.c +++ b/drivers/crypto/hifn_795x.c @@ -463,7 +463,7 @@ struct hifn_device unsigned int pk_clk_freq; -#if defined(CONFIG_HW_RANDOM) || defined(CONFIG_HW_RANDOM_MODULE) +#ifdef CRYPTO_DEV_HIFN_795X_RNG unsigned int rng_wait_time; ktime_t rngtime; struct hwrng rng; @@ -795,7 +795,7 @@ static struct pci2id { } }; -#if defined(CONFIG_HW_RANDOM) || defined(CONFIG_HW_RANDOM_MODULE) +#ifdef CRYPTO_DEV_HIFN_795X_RNG static int hifn_rng_data_present(struct hwrng *rng, int wait) { struct hifn_device *dev = (struct hifn_device *)rng->priv; @@ -880,7 +880,7 @@ static int hifn_init_pubrng(struct hifn_device *dev) dprintk("Chip %s: RNG engine has been successfully initialised.\n", dev->name); -#if defined(CONFIG_HW_RANDOM) || defined(CONFIG_HW_RANDOM_MODULE) +#ifdef CRYPTO_DEV_HIFN_795X_RNG /* First value must be discarded */ hifn_read_1(dev, HIFN_1_RNG_DATA); dev->rngtime = ktime_get();