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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:17:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:17:38 +0000
commit9db339b27f903add3e85b6448c6ca4681450c187 (patch)
tree2e9f25d374e0b322841a7cabe8100b5b52c0e69d /drivers/base/platform.c
parentAdding upstream version 4.19.282. (diff)
downloadlinux-upstream/4.19.289.tar.xz
linux-upstream/4.19.289.zip
Adding upstream version 4.19.289.upstream/4.19.289
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/base/platform.c')
-rw-r--r--drivers/base/platform.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 349c2754e..2f89e618b 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -81,6 +81,26 @@ 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
* @num: IRQ number index