Revision 646ebd4166ca00bdf682a36bd2e1c9a74d848ac6 authored by Leon Romanovsky on 08 February 2017, 15:04:09 UTC, committed by Doug Ledford on 08 February 2017, 17:28:49 UTC
Remove references to private kernel header and defines from exported ib_user_verb.h file. The code snippet below is used to reproduce the issue: #include <stdio.h> #include <rdma/ib_user_verb.h> int main(void) { printf("IB_USER_VERBS_ABI_VERSION = %d\n", IB_USER_VERBS_ABI_VERSION); return 0; } It fails during compilation phase with an error: ➜ /tmp gcc main.c main.c:2:31: fatal error: rdma/ib_user_verb.h: No such file or directory #include <rdma/ib_user_verb.h> ^ compilation terminated. Fixes: 189aba99e700 ("IB/uverbs: Extend modify_qp and support packet pacing") CC: Bodong Wang <bodong@mellanox.com> CC: Matan Barak <matanb@mellanox.com> CC: Christoph Hellwig <hch@infradead.org> Tested-by: Slava Shwartsman <slavash@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com>
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ac97_bus.c
/*
* Linux driver model AC97 bus interface
*
* Author: Nicolas Pitre
* Created: Jan 14, 2005
* Copyright: (C) MontaVista Software Inc.
*
* 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 <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/string.h>
#include <sound/ac97_codec.h>
/*
* snd_ac97_check_id() - Reads and checks the vendor ID of the device
* @ac97: The AC97 device to check
* @id: The ID to compare to
* @id_mask: Mask that is applied to the device ID before comparing to @id
*
* If @id is 0 this function returns true if the read device vendor ID is
* a valid ID. If @id is non 0 this functions returns true if @id
* matches the read vendor ID. Otherwise the function returns false.
*/
static bool snd_ac97_check_id(struct snd_ac97 *ac97, unsigned int id,
unsigned int id_mask)
{
ac97->id = ac97->bus->ops->read(ac97, AC97_VENDOR_ID1) << 16;
ac97->id |= ac97->bus->ops->read(ac97, AC97_VENDOR_ID2);
if (ac97->id == 0x0 || ac97->id == 0xffffffff)
return false;
if (id != 0 && id != (ac97->id & id_mask))
return false;
return true;
}
/**
* snd_ac97_reset() - Reset AC'97 device
* @ac97: The AC'97 device to reset
* @try_warm: Try a warm reset first
* @id: Expected device vendor ID
* @id_mask: Mask that is applied to the device ID before comparing to @id
*
* This function resets the AC'97 device. If @try_warm is true the function
* first performs a warm reset. If the warm reset is successful the function
* returns 1. Otherwise or if @try_warm is false the function issues cold reset
* followed by a warm reset. If this is successful the function returns 0,
* otherwise a negative error code. If @id is 0 any valid device ID will be
* accepted, otherwise only the ID that matches @id and @id_mask is accepted.
*/
int snd_ac97_reset(struct snd_ac97 *ac97, bool try_warm, unsigned int id,
unsigned int id_mask)
{
struct snd_ac97_bus_ops *ops = ac97->bus->ops;
if (try_warm && ops->warm_reset) {
ops->warm_reset(ac97);
if (snd_ac97_check_id(ac97, id, id_mask))
return 1;
}
if (ops->reset)
ops->reset(ac97);
if (ops->warm_reset)
ops->warm_reset(ac97);
if (snd_ac97_check_id(ac97, id, id_mask))
return 0;
return -ENODEV;
}
EXPORT_SYMBOL_GPL(snd_ac97_reset);
/*
* Let drivers decide whether they want to support given codec from their
* probe method. Drivers have direct access to the struct snd_ac97
* structure and may decide based on the id field amongst other things.
*/
static int ac97_bus_match(struct device *dev, struct device_driver *drv)
{
return 1;
}
struct bus_type ac97_bus_type = {
.name = "ac97",
.match = ac97_bus_match,
};
static int __init ac97_bus_init(void)
{
return bus_register(&ac97_bus_type);
}
subsys_initcall(ac97_bus_init);
static void __exit ac97_bus_exit(void)
{
bus_unregister(&ac97_bus_type);
}
module_exit(ac97_bus_exit);
EXPORT_SYMBOL(ac97_bus_type);
MODULE_LICENSE("GPL");
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