1 files changed, 22 insertions, 1 deletions

diff --git a/include/linux/firmware.h b/include/linux/firmware.h
index 6c7eff2ebada..c8ecf5b2a207 100644
--- a/include/linux/firmware.h
+++ b/include/linux/firmware.h
@@ -1,18 +1,39 @@
 #ifndef _LINUX_FIRMWARE_H
 #define _LINUX_FIRMWARE_H
+
 #include <linux/module.h>
 #include <linux/types.h>
+#include <linux/compiler.h>
+
 #define FIRMWARE_NAME_MAX 30 
 #define FW_ACTION_NOHOTPLUG 0
 #define FW_ACTION_HOTPLUG 1
 
 struct firmware {
         size_t size;
-        u8 *data;
+        const u8 *data;
 };
 
 struct device;
 
+struct builtin_fw {
+        char *name;
+        void *data;
+        unsigned long size;
+};
+
+/* We have to play tricks here much like stringify() to get the
+   __COUNTER__ macro to be expanded as we want it */
+#define __fw_concat1(x, y) x##y
+#define __fw_concat(x, y) __fw_concat1(x, y)
+
+#define DECLARE_BUILTIN_FIRMWARE(name, blob)                                 \
+        DECLARE_BUILTIN_FIRMWARE_SIZE(name, &(blob), sizeof(blob))
+
+#define DECLARE_BUILTIN_FIRMWARE_SIZE(name, blob, size)                      \
+        static const struct builtin_fw __fw_concat(__builtin_fw,__COUNTER__) \
+        __used __section(.builtin_fw) = { name, blob, size }
+
 #if defined(CONFIG_FW_LOADER) || (defined(CONFIG_FW_LOADER_MODULE) && defined(MODULE))
 int request_firmware(const struct firmware **fw, const char *name,
                      struct device *device);