linux-kernel - [PATCH 4/5] crypto: atmel-sha - Use devm_platform_get_and_ioremap

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Message-Id: <20230705072159.77221-4-frank.li@vivo.com>
Date:   Wed,  5 Jul 2023 15:21:57 +0800
From:   Yangtao Li <frank.li@...o.com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>
Cc:     Yangtao Li <frank.li@...o.com>, linux-crypto@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 4/5] crypto: atmel-sha - Use devm_platform_get_and_ioremap_resource()

Convert platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_get_and_ioremap_resource(), as this is exactly
what this function does.

Signed-off-by: Yangtao Li <frank.li@...o.com>
---
 drivers/crypto/atmel-sha.c | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index 6bef634d3c86..f2031f934be9 100644
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -2604,11 +2604,9 @@ 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;
@@ -2635,13 +2633,6 @@ 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;
-- 
2.39.0