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authorIru Cai <mytbk920423@gmail.com>2019-10-30 14:21:52 +0800
committerIru Cai <mytbk920423@gmail.com>2019-10-30 14:48:38 +0800
commitae51f41d14f548d494ac41e0d21137c5a4c3f59c (patch)
tree6ddb9d1aaa7bd5bad5bbf8497edc2e08ff208d79 /include/hwconfig.h
downloaduext4-ae51f41d14f548d494ac41e0d21137c5a4c3f59c.tar.xz
import the U-Boot code and make it compile
Diffstat (limited to 'include/hwconfig.h')
-rw-r--r--include/hwconfig.h99
1 files changed, 99 insertions, 0 deletions
diff --git a/include/hwconfig.h b/include/hwconfig.h
new file mode 100644
index 0000000..cf47210
--- /dev/null
+++ b/include/hwconfig.h
@@ -0,0 +1,99 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * An inteface for configuring a hardware via u-boot environment.
+ *
+ * Copyright (c) 2009 MontaVista Software, Inc.
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ *
+ * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
+ */
+
+#ifndef _HWCONFIG_H
+#define _HWCONFIG_H
+
+#include <linux/types.h>
+#include <linux/errno.h>
+
+#ifdef CONFIG_HWCONFIG
+
+extern int hwconfig_f(const char *opt, char *buf);
+extern const char *hwconfig_arg_f(const char *opt, size_t *arglen, char *buf);
+extern int hwconfig_arg_cmp_f(const char *opt, const char *arg, char *buf);
+extern int hwconfig_sub_f(const char *opt, const char *subopt, char *buf);
+extern const char *hwconfig_subarg_f(const char *opt, const char *subopt,
+ size_t *subarglen, char *buf);
+extern int hwconfig_subarg_cmp_f(const char *opt, const char *subopt,
+ const char *subarg, char *buf);
+#else
+
+static inline int hwconfig_f(const char *opt, char *buf)
+{
+ return -ENOSYS;
+}
+
+static inline const char *hwconfig_arg_f(const char *opt, size_t *arglen,
+ char *buf)
+{
+ *arglen = 0;
+ return "";
+}
+
+static inline int hwconfig_arg_cmp_f(const char *opt, const char *arg,
+ char *buf)
+{
+ return -ENOSYS;
+}
+
+static inline int hwconfig_sub_f(const char *opt, const char *subopt, char *buf)
+{
+ return -ENOSYS;
+}
+
+static inline const char *hwconfig_subarg_f(const char *opt, const char *subopt,
+ size_t *subarglen, char *buf)
+{
+ *subarglen = 0;
+ return "";
+}
+
+static inline int hwconfig_subarg_cmp_f(const char *opt, const char *subopt,
+ const char *subarg, char *buf)
+{
+ return -ENOSYS;
+}
+
+#endif /* CONFIG_HWCONFIG */
+
+static inline int hwconfig(const char *opt)
+{
+ return hwconfig_f(opt, NULL);
+}
+
+static inline const char *hwconfig_arg(const char *opt, size_t *arglen)
+{
+ return hwconfig_arg_f(opt, arglen, NULL);
+}
+
+static inline int hwconfig_arg_cmp(const char *opt, const char *arg)
+{
+ return hwconfig_arg_cmp_f(opt, arg, NULL);
+}
+
+static inline int hwconfig_sub(const char *opt, const char *subopt)
+{
+ return hwconfig_sub_f(opt, subopt, NULL);
+}
+
+static inline const char *hwconfig_subarg(const char *opt, const char *subopt,
+ size_t *subarglen)
+{
+ return hwconfig_subarg_f(opt, subopt, subarglen, NULL);
+}
+
+static inline int hwconfig_subarg_cmp(const char *opt, const char *subopt,
+ const char *subarg)
+{
+ return hwconfig_subarg_cmp_f(opt, subopt, subarg, NULL);
+}
+
+#endif /* _HWCONFIG_H */