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| author | Simon Glass <sjg@chromium.org> | 2014-02-26 15:59:18 -0700 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-03-04 12:15:29 -0500 |
| commit | 6494d708bfc630ac0585d5a81707442ebf578eac (patch) | |
| tree | 09d66a1cd996b9843c644b8029496ddcfcdac1f5 /include/dm/util.h | |
| parent | 65c70539e5f1e63921a7fcb86c0ca1f838f96037 (diff) | |
| download | u-boot-imx-6494d708bfc630ac0585d5a81707442ebf578eac.zip u-boot-imx-6494d708bfc630ac0585d5a81707442ebf578eac.tar.gz u-boot-imx-6494d708bfc630ac0585d5a81707442ebf578eac.tar.bz2 | |
dm: Add base driver model support
Add driver model functionality for generic board.
This includes data structures and base code for registering devices and
uclasses (groups of devices with the same purpose, e.g. all I2C ports will
be in the same uclass).
The feature is enabled with CONFIG_DM.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Pavel Herrmann <morpheus.ibis@gmail.com>
Signed-off-by: Viktor Křivák <viktor.krivak@gmail.com>
Signed-off-by: Tomas Hlavacek <tmshlvck@gmail.com>
Diffstat (limited to 'include/dm/util.h')
| -rw-r--r-- | include/dm/util.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/dm/util.h b/include/dm/util.h new file mode 100644 index 0000000..8be64a9 --- /dev/null +++ b/include/dm/util.h @@ -0,0 +1,29 @@ +/* + * Copyright (c) 2013 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __DM_UTIL_H + +void dm_warn(const char *fmt, ...); + +#ifdef DEBUG +void dm_dbg(const char *fmt, ...); +#else +static inline void dm_dbg(const char *fmt, ...) +{ +} +#endif + +struct list_head; + +/** + * list_count_items() - Count number of items in a list + * + * @param head: Head of list + * @return number of items, or 0 if empty + */ +int list_count_items(struct list_head *head); + +#endif |