backports: add request_firmware_direct()

request_firmware_direct() was newly added and in some places it is
better to use request_firmware_direct(), but request_firmware() will
also work and result in 60 seconds waiting if the file is not there in
some situations.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

diff --git a/backport/backport-include/linux/firmware.h b/backport/backport-include/linux/firmware.h
new file mode 100644 (file)
index 0000000..4635512
--- /dev/null
+++ b/backport/backport-include/linux/firmware.h
@@ -0,0 +1,9 @@
+#ifndef __BACKPORT_LINUX_FIRMWARE_H
+#define __BACKPORT_LINUX_FIRMWARE_H
+#include_next <linux/firmware.h>
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0)
+#define request_firmware_direct(fw, name, device) request_firmware(fw, name, device)
+#endif
+
+#endif /* __BACKPORT_LINUX_FIRMWARE_H */