1 files changed, 58 insertions, 0 deletions
diff --git a/backport-include/linux/platform_device.h b/backport-include/linux/platform_device.h
new file mode 100644
index 0000000..87142d7
--- /dev/null
+++ b/backport-include/linux/platform_device.h
@@ -0,0 +1,58 @@
+#ifndef __BACKPORT_PLATFORM_DEVICE_H
+#define __BACKPORT_PLATFORM_DEVICE_H
+
+#include_next <linux/platform_device.h>
+#include <linux/version.h>
+
+#ifndef module_platform_driver_probe
+#define module_platform_driver_probe(__platform_driver, __platform_probe) \
+static int __init __platform_driver##_init(void) \
+{ \
+	return platform_driver_probe(&(__platform_driver), \
+				     __platform_probe);    \
+} \
+module_init(__platform_driver##_init); \
+static void __exit __platform_driver##_exit(void) \
+{ \
+	platform_driver_unregister(&(__platform_driver)); \
+} \
+module_exit(__platform_driver##_exit);
+#endif
+
+#ifndef PLATFORM_DEVID_NONE
+#define PLATFORM_DEVID_NONE	(-1)
+#endif
+
+#ifndef PLATFORM_DEVID_AUTO
+#define PLATFORM_DEVID_AUTO	(-1)
+#endif
+
+#ifndef module_platform_driver
+#define module_platform_driver(__platform_driver) \
+        module_driver(__platform_driver, platform_driver_register, \
+                        platform_driver_unregister)
+#endif
+
+#if LINUX_VERSION_IS_LESS(5,1,0)
+/**
+ * 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 management
+ * @index: resource index
+ */
+#ifdef CONFIG_HAS_IOMEM
+#define devm_platform_ioremap_resource LINUX_BACKPORT(devm_platform_ioremap_resource)
+static inline 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);
+}
+#endif /* CONFIG_HAS_IOMEM */
+#endif
+
+#endif /* __BACKPORT_PLATFORM_DEVICE_H */