Merge tag 'perf-core-for-mingo-5.1-20190311' of git://git.kernel.org/pub/scm/linux...

[linux-2.6-block.git] / drivers / base / platform.c

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 4e45ac21d672140348d474ec7a5a29a8851a2109..dab0a5abc3912872154600555368ee6ed12e8b16 100644 (file)
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -79,6 +79,26 @@ 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
+ */
+#ifdef CONFIG_HAS_IOMEM
+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);
+#endif /* CONFIG_HAS_IOMEM */
+
 /**
  * platform_get_irq - get an IRQ for a device
  * @dev: platform device