From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/include/linux/of_platform.h | 93 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 kernel/include/linux/of_platform.h (limited to 'kernel/include/linux/of_platform.h') diff --git a/kernel/include/linux/of_platform.h b/kernel/include/linux/of_platform.h new file mode 100644 index 000000000..611a69114 --- /dev/null +++ b/kernel/include/linux/of_platform.h @@ -0,0 +1,93 @@ +#ifndef _LINUX_OF_PLATFORM_H +#define _LINUX_OF_PLATFORM_H +/* + * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp. + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + */ + +#include +#include +#include +#include +#include + +/** + * struct of_dev_auxdata - lookup table entry for device names & platform_data + * @compatible: compatible value of node to match against node + * @phys_addr: Start address of registers to match against node + * @name: Name to assign for matching nodes + * @platform_data: platform_data to assign for matching nodes + * + * This lookup table allows the caller of of_platform_populate() to override + * the names of devices when creating devices from the device tree. The table + * should be terminated with an empty entry. It also allows the platform_data + * pointer to be set. + * + * The reason for this functionality is that some Linux infrastructure uses + * the device name to look up a specific device, but the Linux-specific names + * are not encoded into the device tree, so the kernel needs to provide specific + * values. + * + * Note: Using an auxdata lookup table should be considered a last resort when + * converting a platform to use the DT. Normally the automatically generated + * device name will not matter, and drivers should obtain data from the device + * node instead of from an anonymous platform_data pointer. + */ +struct of_dev_auxdata { + char *compatible; + resource_size_t phys_addr; + char *name; + void *platform_data; +}; + +/* Macro to simplify populating a lookup table */ +#define OF_DEV_AUXDATA(_compat,_phys,_name,_pdata) \ + { .compatible = _compat, .phys_addr = _phys, .name = _name, \ + .platform_data = _pdata } + +extern const struct of_device_id of_default_bus_match_table[]; + +/* Platform drivers register/unregister */ +extern struct platform_device *of_device_alloc(struct device_node *np, + const char *bus_id, + struct device *parent); +extern struct platform_device *of_find_device_by_node(struct device_node *np); + +/* Platform devices and busses creation */ +extern struct platform_device *of_platform_device_create(struct device_node *np, + const char *bus_id, + struct device *parent); + +extern int of_platform_bus_probe(struct device_node *root, + const struct of_device_id *matches, + struct device *parent); +#ifdef CONFIG_OF_ADDRESS +extern int of_platform_populate(struct device_node *root, + const struct of_device_id *matches, + const struct of_dev_auxdata *lookup, + struct device *parent); +extern void of_platform_depopulate(struct device *parent); +#else +static inline int of_platform_populate(struct device_node *root, + const struct of_device_id *matches, + const struct of_dev_auxdata *lookup, + struct device *parent) +{ + return -ENODEV; +} +static inline void of_platform_depopulate(struct device *parent) { } +#endif + +#if defined(CONFIG_OF_DYNAMIC) && defined(CONFIG_OF_ADDRESS) +extern void of_platform_register_reconfig_notifier(void); +#else +static inline void of_platform_register_reconfig_notifier(void) { } +#endif + +#endif /* _LINUX_OF_PLATFORM_H */ -- cgit 1.2.3-korg