linux-kernel - [PATCH] crypto: caam: check caam_emi_slow instead of re-lookup platform

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Date:   Mon, 28 Nov 2016 12:53:28 -0500
From:   Marcus Folkesson <marcus.folkesson@...il.com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Horia Geanta <horia.geanta@....com>,
        Arnd Bergmann <arnd@...db.de>,
        Alex Porosanu <alexandru.porosanu@....com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Baoyou Xie <baoyou.xie@...aro.org>,
        Russell King <rmk+kernel@...linux.org.uk>
Cc:     linux-crypto@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] crypto: caam: check caam_emi_slow instead of re-lookup
 platform

Signed-off-by: Marcus Folkesson <marcus.folkesson@...il.com>
---

Russel King, sorry, I did not see your comment until now.

 drivers/crypto/caam/ctrl.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index 5abaf3743b86..4993c90ceb3f 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -329,7 +329,7 @@ static int caam_remove(struct platform_device *pdev)
 	clk_disable_unprepare(ctrlpriv->caam_ipg);
 	clk_disable_unprepare(ctrlpriv->caam_mem);
 	clk_disable_unprepare(ctrlpriv->caam_aclk);
-	if (!of_machine_is_compatible("fsl,imx6ul"))
+	if (ctrlpriv->caam_emi_slow)
 		clk_disable_unprepare(ctrlpriv->caam_emi_slow);
 	return 0;
 }
@@ -511,7 +511,7 @@ static int caam_probe(struct platform_device *pdev)
 		goto disable_caam_mem;
 	}
 
-	if (!of_machine_is_compatible("fsl,imx6ul")) {
+	if (ctrlpriv->caam_emi_slow) {
 		ret = clk_prepare_enable(ctrlpriv->caam_emi_slow);
 		if (ret < 0) {
 			dev_err(&pdev->dev, "can't enable CAAM emi slow clock: %d\n",
@@ -833,7 +833,7 @@ caam_remove:
 iounmap_ctrl:
 	iounmap(ctrl);
 disable_caam_emi_slow:
-	if (!of_machine_is_compatible("fsl,imx6ul"))
+	if (ctrlpriv->caam_emi_slow)
 		clk_disable_unprepare(ctrlpriv->caam_emi_slow);
 disable_caam_aclk:
 	clk_disable_unprepare(ctrlpriv->caam_aclk);
-- 
2.11.0.rc2