linux-kernel - [PATCH 6/7] crypto: caam - add more RNG hw error codes

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Date:   Wed, 22 Jul 2020 15:14:57 +0300
From:   Horia Geantă <horia.geanta@....com>
To:     Herbert Xu <herbert@...dor.apana.org.au>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Aymen Sghaier <aymen.sghaier@....com>,
        Franck Lenormand <franck.lenormand@....com>,
        Dan Douglass <dan.douglass@....com>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        NXP Linux Team <linux-imx@....com>
Subject: [PATCH 6/7] crypto: caam - add more RNG hw error codes

In some cases, e.g. when TRNG is not properly configured,
the RNG module could issue a "Hardware error" at runtime.

"Continuos check" error is emitted when some of the BISTs fail.

Signed-off-by: Horia Geantă <horia.geanta@...escale.com>
Signed-off-by: Horia Geantă <horia.geanta@....com>
---
 drivers/crypto/caam/error.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/crypto/caam/error.c b/drivers/crypto/caam/error.c
index 17c6108b6d41..72db90176b1a 100644
--- a/drivers/crypto/caam/error.c
+++ b/drivers/crypto/caam/error.c
@@ -212,6 +212,9 @@ static const char * const rng_err_id_list[] = {
 	"Prediction resistance and test request",
 	"Uninstantiate",
 	"Secure key generation",
+	"",
+	"Hardware error",
+	"Continuous check"
 };
 
 static int report_ccb_status(struct device *jrdev, const u32 status,
-- 
2.17.1