linux-kernel - [PATCH -next] crypto: atmel-{aes,sha,tdes} - Use devm_platform_get_and_ioremap

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Date:   Fri, 18 Sep 2020 16:14:34 +0800
From:   Wang ShaoBo <bobo.shaobowang@...wei.com>
To:     unlisted-recipients:; (no To-header on input)
CC:     <cj.chengjian@...wei.com>, <huawei.libin@...wei.com>,
        <herbert@...dor.apana.org.au>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH -next] crypto: atmel-{aes,sha,tdes} - Use devm_platform_get_and_ioremap_resource()

Make use of devm_platform_get_and_ioremap_resource() provided by
driver core platform instead of duplicated analogue, dev_err() is
removed because it has been done in devm_ioremap_resource().

Signed-off-by: Wang ShaoBo <bobo.shaobowang@...wei.com>
---
 drivers/crypto/atmel-aes.c  | 16 +++++-----------
 drivers/crypto/atmel-sha.c  | 16 +++++-----------
 drivers/crypto/atmel-tdes.c | 16 +++++-----------
 3 files changed, 15 insertions(+), 33 deletions(-)

diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index a6e14491e080..7895d37319a0 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -2507,12 +2507,13 @@ static int atmel_aes_probe(struct platform_device *pdev)
 	crypto_init_queue(&aes_dd->queue, ATMEL_AES_QUEUE_LENGTH);
 
 	/* Get the base address */
-	aes_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!aes_res) {
-		dev_err(dev, "no MEM resource info\n");
-		err = -ENODEV;
+	aes_dd->io_base = devm_platform_get_and_ioremap_resource(pdev, 0,
+					&aes_res);
+	if (IS_ERR(aes_dd->io_base)) {
+		err = PTR_ERR(aes_dd->io_base);
 		goto err_tasklet_kill;
 	}
+
 	aes_dd->phys_base = aes_res->start;
 
 	/* Get the IRQ */
@@ -2537,13 +2538,6 @@ static int atmel_aes_probe(struct platform_device *pdev)
 		goto err_tasklet_kill;
 	}
 
-	aes_dd->io_base = devm_ioremap_resource(&pdev->dev, aes_res);
-	if (IS_ERR(aes_dd->io_base)) {
-		dev_err(dev, "can't ioremap\n");
-		err = PTR_ERR(aes_dd->io_base);
-		goto err_tasklet_kill;
-	}
-
 	err = clk_prepare(aes_dd->iclk);
 	if (err)
 		goto err_tasklet_kill;
diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index 75ccf41a7cb9..d7233311d836 100644
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -2578,12 +2578,13 @@ static int atmel_sha_probe(struct platform_device *pdev)
 	crypto_init_queue(&sha_dd->queue, ATMEL_SHA_QUEUE_LENGTH);
 
 	/* Get the base address */
-	sha_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!sha_res) {
-		dev_err(dev, "no MEM resource info\n");
-		err = -ENODEV;
+	sha_dd->io_base = devm_platform_get_and_ioremap_resource(pdev, 0,
+					&sha_res);
+	if (IS_ERR(sha_dd->io_base)) {
+		err = PTR_ERR(sha_dd->io_base);
 		goto err_tasklet_kill;
 	}
+
 	sha_dd->phys_base = sha_res->start;
 
 	/* Get the IRQ */
@@ -2608,13 +2609,6 @@ static int atmel_sha_probe(struct platform_device *pdev)
 		goto err_tasklet_kill;
 	}
 
-	sha_dd->io_base = devm_ioremap_resource(&pdev->dev, sha_res);
-	if (IS_ERR(sha_dd->io_base)) {
-		dev_err(dev, "can't ioremap\n");
-		err = PTR_ERR(sha_dd->io_base);
-		goto err_tasklet_kill;
-	}
-
 	err = clk_prepare(sha_dd->iclk);
 	if (err)
 		goto err_tasklet_kill;
diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c
index ed40dbb98c6b..5b894cb80490 100644
--- a/drivers/crypto/atmel-tdes.c
+++ b/drivers/crypto/atmel-tdes.c
@@ -1185,12 +1185,13 @@ static int atmel_tdes_probe(struct platform_device *pdev)
 	crypto_init_queue(&tdes_dd->queue, ATMEL_TDES_QUEUE_LENGTH);
 
 	/* Get the base address */
-	tdes_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!tdes_res) {
-		dev_err(dev, "no MEM resource info\n");
-		err = -ENODEV;
+	tdes_dd->io_base = devm_platform_get_and_ioremap_resource(pdev, 0,
+					&tdes_res);
+	if (IS_ERR(tdes_dd->io_base)) {
+		err = PTR_ERR(tdes_dd->io_base);
 		goto err_tasklet_kill;
 	}
+
 	tdes_dd->phys_base = tdes_res->start;
 
 	/* Get the IRQ */
@@ -1215,13 +1216,6 @@ static int atmel_tdes_probe(struct platform_device *pdev)
 		goto err_tasklet_kill;
 	}
 
-	tdes_dd->io_base = devm_ioremap_resource(&pdev->dev, tdes_res);
-	if (IS_ERR(tdes_dd->io_base)) {
-		dev_err(dev, "can't ioremap\n");
-		err = PTR_ERR(tdes_dd->io_base);
-		goto err_tasklet_kill;
-	}
-
 	err = atmel_tdes_hw_version_init(tdes_dd);
 	if (err)
 		goto err_tasklet_kill;
-- 
2.17.1