[v1] crypto: caam - use JobR's space to access page 0 regs

[PATCH] crypto: caam - use JobR's space to access page 0 regs

Gaurav Jain posted 1 patch 1 week, 5 days ago

Diff against v1
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drivers/crypto/caam/blob_gen.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

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[PATCH] crypto: caam - use JobR's space to access page 0 regs

Posted by Gaurav Jain 1 week, 5 days ago

Access to controller region is not permitted.
use JobR's register space to access page 0 registers.

Fixes: 6a83830f649a ("crypto: caam - warn if blob_gen key is insecure")
Signed-off-by: Gaurav Jain <gaurav.jain@nxp.com>
---
 drivers/crypto/caam/blob_gen.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/crypto/caam/blob_gen.c b/drivers/crypto/caam/blob_gen.c
index 87781c1534ee..079a22cc9f02 100644
--- a/drivers/crypto/caam/blob_gen.c
+++ b/drivers/crypto/caam/blob_gen.c
@@ -2,6 +2,7 @@
 /*
  * Copyright (C) 2015 Pengutronix, Steffen Trumtrar <kernel@pengutronix.de>
  * Copyright (C) 2021 Pengutronix, Ahmad Fatoum <kernel@pengutronix.de>
+ * Copyright 2024 NXP
  */
 
 #define pr_fmt(fmt) "caam blob_gen: " fmt
@@ -104,7 +105,7 @@ int caam_process_blob(struct caam_blob_priv *priv,
 	}
 
 	ctrlpriv = dev_get_drvdata(jrdev->parent);
-	moo = FIELD_GET(CSTA_MOO, rd_reg32(&ctrlpriv->ctrl->perfmon.status));
+	moo = FIELD_GET(CSTA_MOO, rd_reg32(&ctrlpriv->jr[0]->perfmon.status));
 	if (moo != CSTA_MOO_SECURE && moo != CSTA_MOO_TRUSTED)
 		dev_warn(jrdev,
 			 "using insecure test key, enable HAB to use unique device key!\n");
-- 
2.25.1