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From:   Gilad Ben-Yossef <gilad@benyossef.com>
To:     Herbert Xu <herbert@gondor.apana.org.au>,
        "David S. Miller" <davem@davemloft.net>
Cc:     Ofir Drang <ofir.drang@arm.com>, linux-crypto@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH 32/35] crypto: ccree: remove cc7x3 obsoleted AXIM configs
Date:   Thu, 18 Apr 2019 16:39:07 +0300
Message-Id: <20190418133913.9122-33-gilad@benyossef.com>
In-Reply-To: <20190418133913.9122-1-gilad@benyossef.com>
References: <20190418133913.9122-1-gilad@benyossef.com>
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From: Ofir Drang <ofir.drang@arm.com>

AXIM configuration register modified in cc7x3 and no longer
includes AXI interrupt masking fields.

Signed-off-by: Ofir Drang <ofir.drang@arm.com>
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
---
 drivers/crypto/ccree/cc_driver.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/ccree/cc_driver.c b/drivers/crypto/ccree/cc_driver.c
index a28548192211..902f196d4be1 100644
--- a/drivers/crypto/ccree/cc_driver.c
+++ b/drivers/crypto/ccree/cc_driver.c
@@ -193,11 +193,14 @@ int init_cc_regs(struct cc_drvdata *drvdata, bool is_probe)
 	unsigned int val, cache_params;
 	struct device *dev = drvdata_to_dev(drvdata);
 
-	/* Unmask all AXI interrupt sources AXI_CFG1 register */
-	val = cc_ioread(drvdata, CC_REG(AXIM_CFG));
-	cc_iowrite(drvdata, CC_REG(AXIM_CFG), val & ~CC_AXI_IRQ_MASK);
-	dev_dbg(dev, "AXIM_CFG=0x%08X\n",
-		cc_ioread(drvdata, CC_REG(AXIM_CFG)));
+	/* Unmask all AXI interrupt sources AXI_CFG1 register   */
+	/* AXI interrupt config are obsoleted startign at cc7x3 */
+	if (drvdata->hw_rev <= CC_HW_REV_712) {
+		val = cc_ioread(drvdata, CC_REG(AXIM_CFG));
+		cc_iowrite(drvdata, CC_REG(AXIM_CFG), val & ~CC_AXI_IRQ_MASK);
+		dev_dbg(dev, "AXIM_CFG=0x%08X\n",
+			cc_ioread(drvdata, CC_REG(AXIM_CFG)));
+	}
 
 	/* Clear all pending interrupts */
 	val = cc_ioread(drvdata, CC_REG(HOST_IRR));
-- 
2.21.0