diff options
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/sa2ul.c | 15 | ||||
| -rw-r--r-- | drivers/crypto/sa2ul.h | 1 |
2 files changed, 8 insertions, 8 deletions
diff --git a/drivers/crypto/sa2ul.c b/drivers/crypto/sa2ul.c index 1d732113b81e..f4bc06c24ad8 100644 --- a/drivers/crypto/sa2ul.c +++ b/drivers/crypto/sa2ul.c @@ -86,7 +86,6 @@ struct sa_match_data { u8 priv; u8 priv_id; u32 supported_algos; - bool skip_engine_control; }; static struct device *sa_k3_dev; @@ -2380,7 +2379,6 @@ static struct sa_match_data am64_match_data = { BIT(SA_ALG_SHA256) | BIT(SA_ALG_SHA512) | BIT(SA_ALG_AUTHENC_SHA256_AES), - .skip_engine_control = true, }; static const struct of_device_id of_match[] = { @@ -2398,6 +2396,7 @@ static int sa_ul_probe(struct platform_device *pdev) struct device_node *node = dev->of_node; static void __iomem *saul_base; struct sa_crypto_data *dev_data; + u32 status, val; int ret; dev_data = devm_kzalloc(dev, sizeof(*dev_data), GFP_KERNEL); @@ -2434,13 +2433,13 @@ static int sa_ul_probe(struct platform_device *pdev) spin_lock_init(&dev_data->scid_lock); - if (!dev_data->match_data->skip_engine_control) { - u32 val = SA_EEC_ENCSS_EN | SA_EEC_AUTHSS_EN | SA_EEC_CTXCACH_EN | - SA_EEC_CPPI_PORT_IN_EN | SA_EEC_CPPI_PORT_OUT_EN | - SA_EEC_TRNG_EN; - + val = SA_EEC_ENCSS_EN | SA_EEC_AUTHSS_EN | SA_EEC_CTXCACH_EN | + SA_EEC_CPPI_PORT_IN_EN | SA_EEC_CPPI_PORT_OUT_EN | + SA_EEC_TRNG_EN; + status = readl_relaxed(saul_base + SA_ENGINE_STATUS); + /* Only enable engines if all are not already enabled */ + if (val & ~status) writel_relaxed(val, saul_base + SA_ENGINE_ENABLE_CONTROL); - } sa_register_algos(dev_data); diff --git a/drivers/crypto/sa2ul.h b/drivers/crypto/sa2ul.h index ed66d1f111db..92bf97232a29 100644 --- a/drivers/crypto/sa2ul.h +++ b/drivers/crypto/sa2ul.h @@ -16,6 +16,7 @@ #include <crypto/sha1.h> #include <crypto/sha2.h> +#define SA_ENGINE_STATUS 0x0008 #define SA_ENGINE_ENABLE_CONTROL 0x1000 struct sa_tfm_ctx; |