linux-kernel - [PATCH 5/6] crypto: sa2ul - Use devm_platform_ioremap

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Date:   Fri, 14 May 2021 11:12:45 -0500
From:   Suman Anna <s-anna@...com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>
CC:     Deepak Saxena <dsaxena@...xity.net>,
        Tero Kristo <kristo@...nel.org>, Keerthy <j-keerthy@...com>,
        Gowtham Tammana <g-tammana@...com>,
        Vaibhav Gupta <v_gupta@...com>, <linux-crypto@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Suman Anna <s-anna@...com>
Subject: [PATCH 5/6] crypto: sa2ul - Use devm_platform_ioremap_resource()

Simplify the platform_get_resource() and devm_ioremap_resource()
calls with devm_platform_ioremap_resource(). Also add error checking
and move up this block to simplify the cleanup in sa_ul_probe().

Signed-off-by: Suman Anna <s-anna@...com>
---
 drivers/crypto/sa2ul.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/sa2ul.c b/drivers/crypto/sa2ul.c
index 9f077ec9dbb7..216702fef945 100644
--- a/drivers/crypto/sa2ul.c
+++ b/drivers/crypto/sa2ul.c
@@ -2390,7 +2390,6 @@ static int sa_ul_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct device_node *node = dev->of_node;
-	struct resource *res;
 	static void __iomem *saul_base;
 	struct sa_crypto_data *dev_data;
 	int ret;
@@ -2403,9 +2402,14 @@ static int sa_ul_probe(struct platform_device *pdev)
 	if (!dev_data->match_data)
 		return -ENODEV;
 
+	saul_base = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(saul_base))
+		return PTR_ERR(saul_base);
+
 	sa_k3_dev = dev;
 	dev_data->dev = dev;
 	dev_data->pdev = pdev;
+	dev_data->base = saul_base;
 	platform_set_drvdata(pdev, dev_data);
 	dev_set_drvdata(sa_k3_dev, dev_data);
 
@@ -2424,10 +2428,6 @@ static int sa_ul_probe(struct platform_device *pdev)
 		goto destroy_dma_pool;
 
 	spin_lock_init(&dev_data->scid_lock);
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	saul_base = devm_ioremap_resource(dev, res);
-
-	dev_data->base = saul_base;
 
 	if (!dev_data->match_data->skip_engine_control) {
 		u32 val = SA_EEC_ENCSS_EN | SA_EEC_AUTHSS_EN | SA_EEC_CTXCACH_EN |
-- 
2.30.1