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-rw-r--r--backport-include/linux/firmware.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/backport-include/linux/firmware.h b/backport-include/linux/firmware.h
new file mode 100644
index 0000000..b5bc16b
--- /dev/null
+++ b/backport-include/linux/firmware.h
@@ -0,0 +1,20 @@
+#ifndef __BACKPORT_LINUX_FIRMWARE_H
+#define __BACKPORT_LINUX_FIRMWARE_H
+#include_next <linux/firmware.h>
+
+#if LINUX_VERSION_IS_LESS(3,14,0)
+#define request_firmware_direct(fw, name, device) request_firmware(fw, name, device)
+#endif
+#if LINUX_VERSION_IS_LESS(4,18,0)
+#define firmware_request_nowarn(fw, name, device) request_firmware(fw, name, device)
+#endif
+
+#if LINUX_VERSION_IS_LESS(4,17,0)
+#define firmware_request_cache LINUX_BACKPORT(firmware_request_cache)
+static inline int firmware_request_cache(struct device *device, const char *name)
+{
+ return 0;
+}
+#endif
+
+#endif /* __BACKPORT_LINUX_FIRMWARE_H */