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From: Marcin Niestroj <m.niestroj@grinn-global.com>
To: barebox@lists.infradead.org
Cc: Marcin Niestroj <m.niestroj@grinn-global.com>
Subject: [PATCH 05/18] crypto: caam - add support for iMX6UL
Date: Mon,  3 Sep 2018 13:23:55 +0200	[thread overview]
Message-ID: <20180903112408.2086-6-m.niestroj@grinn-global.com> (raw)
In-Reply-To: <20180903112408.2086-1-m.niestroj@grinn-global.com>

Pick commit 4e518816a938187b3bfe1b62fa291d4e38dca06e from Linux
upstream.

    crypto: caam - add support for iMX6UL

    i.MX6UL does only require three clocks to enable CAAM module.

    Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
    Acked-by: Rob Herring <robh@kernel.org>
    Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
---
 drivers/crypto/caam/ctrl.c | 29 +++++++++++++++++------------
 1 file changed, 17 insertions(+), 12 deletions(-)

diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index 0baddf733..55193f6ef 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -224,7 +224,8 @@ static void caam_remove(struct device_d *dev)
 	clk_disable(ctrlpriv->caam_ipg);
 	clk_disable(ctrlpriv->caam_mem);
 	clk_disable(ctrlpriv->caam_aclk);
-	clk_disable(ctrlpriv->caam_emi_slow);
+	if (ctrlpriv->caam_emi_slow)
+		clk_disable(ctrlpriv->caam_emi_slow);
 }
 
 /*
@@ -341,12 +342,14 @@ static int caam_probe(struct device_d *dev)
 		return -ENODEV;
 	}
 
-	ctrlpriv->caam_emi_slow = clk_get(dev, "emi_slow");
-	if (IS_ERR(ctrlpriv->caam_emi_slow)) {
-		ret = PTR_ERR(ctrlpriv->caam_emi_slow);
-		dev_err(dev,
-			"can't identify CAAM emi slow clk: %d\n", ret);
-		return -ENODEV;
+	if (!of_machine_is_compatible("fsl,imx6ul")) {
+		ctrlpriv->caam_emi_slow = clk_get(dev, "emi_slow");
+		if (IS_ERR(ctrlpriv->caam_emi_slow)) {
+			ret = PTR_ERR(ctrlpriv->caam_emi_slow);
+			dev_err(dev,
+				"can't identify CAAM emi slow clk: %d\n", ret);
+			return -ENODEV;
+		}
 	}
 
 	ret = clk_enable(ctrlpriv->caam_ipg);
@@ -368,11 +371,13 @@ static int caam_probe(struct device_d *dev)
 		return -ENODEV;
 	}
 
-	ret = clk_enable(ctrlpriv->caam_emi_slow);
-	if (ret < 0) {
-		dev_err(dev, "can't enable CAAM emi slow clock: %d\n",
-			ret);
-		return -ENODEV;
+	if (ctrlpriv->caam_emi_slow) {
+		ret = clk_enable(ctrlpriv->caam_emi_slow);
+		if (ret < 0) {
+			dev_err(dev, "can't enable CAAM emi slow clock: %d\n",
+				ret);
+			return -ENODEV;
+		}
 	}
 
 	/* Get configuration properties from device tree */
-- 
2.18.0


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  parent reply	other threads:[~2018-09-03 11:25 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-03 11:23 [PATCH 00/18] crypto: caam: Pull CAAM support improvements from Linux Marcin Niestroj
2018-09-03 11:23 ` [PATCH 01/18] crypto: caam - fix RNG init descriptor ret. code checking Marcin Niestroj
2018-09-03 11:23 ` [PATCH 02/18] crypto: caam - fix warning in APPEND_MATH_IMM_u64 Marcin Niestroj
2018-09-03 11:23 ` [PATCH 03/18] crypto: caam - fix writing to JQCR_MS when using service interface Marcin Niestroj
2018-09-03 11:23 ` [PATCH 04/18] crypto: caam - handle core endianness != caam endianness Marcin Niestroj
2018-09-03 11:23 ` Marcin Niestroj [this message]
2018-09-03 11:23 ` [PATCH 06/18] crypto: caam - fix sparse warnings Marcin Niestroj
2018-09-03 11:23 ` [PATCH 07/18] crypto: caam - trivial code clean-up Marcin Niestroj
2018-09-03 11:23 ` [PATCH 08/18] crypto: caam - remove unreachable code in report_ccb_status() Marcin Niestroj
2018-09-03 11:23 ` [PATCH 09/18] crypto: caam - constify pointer to descriptor buffer Marcin Niestroj
2018-09-03 11:24 ` [PATCH 10/18] crypto: caam - avoid double inclusion in desc_constr.h Marcin Niestroj
2018-09-03 11:24 ` [PATCH 11/18] crypto: caam - clean-up in caam_init_rng() Marcin Niestroj
2018-09-03 11:24 ` [PATCH 12/18] crypto: caam - fix incorrect define Marcin Niestroj
2018-09-03 11:24 ` [PATCH 13/18] crypto: caam - constify key data Marcin Niestroj
2018-09-03 11:24 ` [PATCH 14/18] crypto: caam - fix endless loop when DECO acquire fails Marcin Niestroj
2018-09-03 11:24 ` [PATCH 15/18] crypto: caam - do not use mem and emi_slow clock for imx7x Marcin Niestroj
2018-09-03 11:24 ` [PATCH 16/18] crypto: caam - sync desc.h with Linux Marcin Niestroj
2018-09-03 11:24 ` [PATCH 17/18] crypto: caam - staticize caam_get_era() Marcin Niestroj
2018-09-03 11:24 ` [PATCH 18/18] crypto: caam - allow retrieving 'era' from register Marcin Niestroj
2018-09-03 11:44 ` [PATCH 10/18] crypto: caam - avoid double inclusion in desc_constr.h Marcin Niestroj
2018-09-03 11:44   ` [PATCH 11/18] crypto: caam - clean-up in caam_init_rng() Marcin Niestroj
2018-09-03 11:44   ` [PATCH 12/18] crypto: caam - fix incorrect define Marcin Niestroj
2018-09-03 11:44   ` [PATCH 13/18] crypto: caam - constify key data Marcin Niestroj
2018-09-03 11:44   ` [PATCH 14/18] crypto: caam - fix endless loop when DECO acquire fails Marcin Niestroj
2018-09-03 11:44   ` [PATCH 15/18] crypto: caam - do not use mem and emi_slow clock for imx7x Marcin Niestroj
2018-09-03 11:44   ` [PATCH 16/18] crypto: caam - sync desc.h with Linux Marcin Niestroj
2018-09-03 11:44   ` [PATCH 17/18] crypto: caam - staticize caam_get_era() Marcin Niestroj
2018-09-03 11:44   ` [PATCH 18/18] crypto: caam - allow retrieving 'era' from register Marcin Niestroj
2018-09-03 11:44   ` [PATCH 00/18] crypto: caam: Pull CAAM support improvements from Linux Marcin Niestroj
2018-09-03 11:44   ` [PATCH 01/18] crypto: caam - fix RNG init descriptor ret. code checking Marcin Niestroj
2018-09-03 11:44   ` [PATCH 02/18] crypto: caam - fix warning in APPEND_MATH_IMM_u64 Marcin Niestroj
2018-09-03 11:44   ` [PATCH 03/18] crypto: caam - fix writing to JQCR_MS when using service interface Marcin Niestroj
2018-09-03 11:44   ` [PATCH 04/18] crypto: caam - handle core endianness != caam endianness Marcin Niestroj
2018-09-03 11:44   ` [PATCH 05/18] crypto: caam - add support for iMX6UL Marcin Niestroj
2018-09-03 11:44   ` [PATCH 06/18] crypto: caam - fix sparse warnings Marcin Niestroj
2018-09-03 11:44   ` [PATCH 07/18] crypto: caam - trivial code clean-up Marcin Niestroj
2018-09-03 11:44   ` [PATCH 08/18] crypto: caam - remove unreachable code in report_ccb_status() Marcin Niestroj
2018-09-03 11:44   ` [PATCH 09/18] crypto: caam - constify pointer to descriptor buffer Marcin Niestroj
2018-09-03 11:44   ` [PATCH 10/18] crypto: caam - avoid double inclusion in desc_constr.h Marcin Niestroj
2018-09-03 11:44   ` [PATCH 11/18] crypto: caam - clean-up in caam_init_rng() Marcin Niestroj
2018-09-03 11:44   ` [PATCH 12/18] crypto: caam - fix incorrect define Marcin Niestroj
2018-09-03 11:44   ` [PATCH 13/18] crypto: caam - constify key data Marcin Niestroj
2018-09-03 11:44   ` [PATCH 14/18] crypto: caam - fix endless loop when DECO acquire fails Marcin Niestroj
2018-09-03 11:44   ` [PATCH 15/18] crypto: caam - do not use mem and emi_slow clock for imx7x Marcin Niestroj
2018-09-03 11:44   ` [PATCH 16/18] crypto: caam - sync desc.h with Linux Marcin Niestroj
2018-09-03 11:44   ` [PATCH 17/18] crypto: caam - staticize caam_get_era() Marcin Niestroj
2018-09-03 11:44   ` [PATCH 18/18] crypto: caam - allow retrieving 'era' from register Marcin Niestroj
2018-09-04  8:05 ` [PATCH 00/18] crypto: caam: Pull CAAM support improvements from Linux Sascha Hauer

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