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-rw-r--r--drivers/base/platform.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 1c958eb33ef4..f82691e1c26c 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -80,6 +80,24 @@ struct resource *platform_get_resource(struct platform_device *dev,
EXPORT_SYMBOL_GPL(platform_get_resource);
/**
+ * devm_platform_ioremap_resource - call devm_ioremap_resource() for a platform
+ * device
+ *
+ * @pdev: platform device to use both for memory resource lookup as well as
+ * resource managemend
+ * @index: resource index
+ */
+void __iomem *devm_platform_ioremap_resource(struct platform_device *pdev,
+ unsigned int index)
+{
+ struct resource *res;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, index);
+ return devm_ioremap_resource(&pdev->dev, res);
+}
+EXPORT_SYMBOL_GPL(devm_platform_ioremap_resource);
+
+/**
* platform_get_irq - get an IRQ for a device
* @dev: platform device
* @num: IRQ number index