linux-kernel - [PATCH] spi: amd: Use devm_platform_ioremap_resource() in amd_spi

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Message-Id: <1605930231-19448-1-git-send-email-zhangqing@loongson.cn>
Date:   Sat, 21 Nov 2020 11:43:51 +0800
From:   Qing Zhang <zhangqing@...ngson.cn>
To:     Sanjay R Mehta <sanju.mehta@....com>,
        Mark Brown <broonie@...nel.org>
Cc:     linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] spi: amd: Use devm_platform_ioremap_resource() in amd_spi_probe

Simplify this function implementation by using a known wrapper function.

Signed-off-by: Qing Zhang <zhangqing@...ngson.cn>
---
 drivers/spi/spi-amd.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/spi/spi-amd.c b/drivers/spi/spi-amd.c
index 7f62954..3cf7609 100644
--- a/drivers/spi/spi-amd.c
+++ b/drivers/spi/spi-amd.c
@@ -250,7 +250,6 @@ static int amd_spi_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct spi_master *master;
 	struct amd_spi *amd_spi;
-	struct resource *res;
 	int err = 0;
 
 	/* Allocate storage for spi_master and driver private data */
@@ -261,9 +260,7 @@ static int amd_spi_probe(struct platform_device *pdev)
 	}
 
 	amd_spi = spi_master_get_devdata(master);
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	amd_spi->io_remap_addr = devm_ioremap_resource(&pdev->dev, res);
+	amd_spi->io_remap_addr = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(amd_spi->io_remap_addr)) {
 		err = PTR_ERR(amd_spi->io_remap_addr);
 		dev_err(dev, "error %d ioremap of SPI registers failed\n", err);
-- 
2.1.0