X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fdm%2Fplatdata.h;h=b73aa33093aad78ddd67a0e9f9784989a4fccc8b;hb=d167dd4883406ca852b1a2e75db5553279815f62;hp=0ef3353e74651e1e9b60066f43ee90ab9a48a021;hpb=6494d708bfc630ac0585d5a81707442ebf578eac;p=oweals%2Fu-boot.git

diff --git a/include/dm/platdata.h b/include/dm/platdata.h
index 0ef3353e74..b73aa33093 100644
--- a/include/dm/platdata.h
+++ b/include/dm/platdata.h
@@ -11,12 +11,37 @@
 #ifndef _DM_PLATDATA_H
 #define _DM_PLATDATA_H
 
+#include <linker_lists.h>
+
+/**
+ * struct driver_info - Information required to instantiate a device
+ *
+ * NOTE: Avoid using this except in extreme circumstances, where device tree
+ * is not feasible (e.g. serial driver in SPL where <8KB of SRAM is
+ * available). U-Boot's driver model uses device tree for configuration.
+ *
+ * @name:	Driver name
+ * @platdata:	Driver-specific platform data
+ * @platdata_size: Size of platform data structure
+ */
 struct driver_info {
-	const char	*name;
-	const void	*platdata;
+	const char *name;
+	const void *platdata;
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+	uint platdata_size;
+#endif
 };
 
+/**
+ * NOTE: Avoid using these except in extreme circumstances, where device tree
+ * is not feasible (e.g. serial driver in SPL where <8KB of SRAM is
+ * available). U-Boot's driver model uses device tree for configuration.
+ */
 #define U_BOOT_DEVICE(__name)						\
 	ll_entry_declare(struct driver_info, __name, driver_info)
 
+/* Declare a list of devices. The argument is a driver_info[] array */
+#define U_BOOT_DEVICES(__name)						\
+	ll_entry_declare_list(struct driver_info, __name, driver_info)
+
 #endif