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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	linux-mmc@vger.kernel.org,
	linux-kernel@vger.kernel.org
Cc: Adrian Hunter <adrian.hunter@intel.com>,
	Ulf Hansson <ulf.hansson@linaro.org>
Subject: [PATCH v1 2/2] mmc: sdhci-acpi: Use devm_platform_ioremap_resource()
Date: Fri, 12 Apr 2024 21:46:21 +0300
Message-ID: <20240412184706.366879-4-andriy.shevchenko@linux.intel.com>
In-Reply-To: <20240412184706.366879-2-andriy.shevchenko@linux.intel.com>
References: <20240412184706.366879-2-andriy.shevchenko@linux.intel.com>
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The struct resource is not used for anything else, so we can simplify
the code a bit by using the helper function.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/mmc/host/sdhci-acpi.c | 20 +++-----------------
 1 file changed, 3 insertions(+), 17 deletions(-)

diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index 32ae6f763c1d..b9c8eb87a01a 100644
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -779,8 +779,6 @@ static int sdhci_acpi_probe(struct platform_device *pdev)
 	struct acpi_device *device;
 	struct sdhci_acpi_host *c;
 	struct sdhci_host *host;
-	struct resource *iomem;
-	resource_size_t len;
 	size_t priv_size;
 	int quirks = 0;
 	int err;
@@ -801,17 +799,6 @@ static int sdhci_acpi_probe(struct platform_device *pdev)
 	if (sdhci_acpi_byt_defer(dev))
 		return -EPROBE_DEFER;
 
-	iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!iomem)
-		return -ENOMEM;
-
-	len = resource_size(iomem);
-	if (len < 0x100)
-		dev_err(dev, "Invalid iomem size!\n");
-
-	if (!devm_request_mem_region(dev, iomem->start, len, dev_name(dev)))
-		return -ENOMEM;
-
 	priv_size = slot ? slot->priv_size : 0;
 	host = sdhci_alloc_host(dev, sizeof(struct sdhci_acpi_host) + priv_size);
 	if (IS_ERR(host))
@@ -833,10 +820,9 @@ static int sdhci_acpi_probe(struct platform_device *pdev)
 		goto err_free;
 	}
 
-	host->ioaddr = devm_ioremap(dev, iomem->start,
-					    resource_size(iomem));
-	if (host->ioaddr == NULL) {
-		err = -ENOMEM;
+	host->ioaddr = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(host->ioaddr)) {
+		err = PTR_ERR(host->ioaddr);
 		goto err_free;
 	}
 
-- 
2.43.0.rc1.1336.g36b5255a03ac