Re: [PATCH v1 2/2] mmc: sdhci-acpi: Use devm_platform_ioremap_resource()

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Le 12/04/2024 à 20:46, Andy Shevchenko a écrit :
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@xxxxxxxxxxxxxxx>
---
  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");

HI,

Was this test useful?
Should it be mentioned in the commit message?

CJ

-
-	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;
  	}





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