linux-kernel - [PATCH v2 15/34] crypto: ccree - use of_device_get_match

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Message-Id: <20200211181928.15178-16-geert+renesas@glider.be>
Date:   Tue, 11 Feb 2020 19:19:09 +0100
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Gilad Ben-Yossef <gilad@...yossef.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        linux-crypto@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH v2 15/34] crypto: ccree - use of_device_get_match_data()

If the driver is probed, it means a match was found in
arm_ccree_dev_of_match[].  Hence we can just use the
of_device_get_match_data() helper.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
v2:
  - New.

 drivers/crypto/ccree/cc_driver.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/crypto/ccree/cc_driver.c b/drivers/crypto/ccree/cc_driver.c
index c7e44f212d4b0ac5..e365ede32cc0e6a0 100644
--- a/drivers/crypto/ccree/cc_driver.c
+++ b/drivers/crypto/ccree/cc_driver.c
@@ -14,6 +14,7 @@
 #include <linux/of.h>
 #include <linux/clk.h>
 #include <linux/of_address.h>
+#include <linux/of_device.h>
 #include <linux/pm_runtime.h>
 
 #include "cc_driver.h"
@@ -270,7 +271,6 @@ static int init_cc_resources(struct platform_device *plat_dev)
 	u32 val, hw_rev_pidr, sig_cidr;
 	u64 dma_mask;
 	const struct cc_hw_data *hw_rev;
-	const struct of_device_id *dev_id;
 	struct clk *clk;
 	int irq;
 	int rc = 0;
@@ -279,11 +279,7 @@ static int init_cc_resources(struct platform_device *plat_dev)
 	if (!new_drvdata)
 		return -ENOMEM;
 
-	dev_id = of_match_node(arm_ccree_dev_of_match, np);
-	if (!dev_id)
-		return -ENODEV;
-
-	hw_rev = (struct cc_hw_data *)dev_id->data;
+	hw_rev = of_device_get_match_data(dev);
 	new_drvdata->hw_rev_name = hw_rev->name;
 	new_drvdata->hw_rev = hw_rev->rev;
 	new_drvdata->std_bodies = hw_rev->std_bodies;
-- 
2.17.1