1450N/A/*
1450N/A * Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
1450N/A *
1450N/A * Permission is hereby granted, free of charge, to any person obtaining a
1450N/A * copy of this software and associated documentation files (the "Software"),
1450N/A * to deal in the Software without restriction, including without limitation
1450N/A * the rights to use, copy, modify, merge, publish, distribute, sublicense,
1450N/A * and/or sell copies of the Software, and to permit persons to whom the
1450N/A * Software is furnished to do so, subject to the following conditions:
1450N/A *
1450N/A * The above copyright notice and this permission notice (including the next
1450N/A * paragraph) shall be included in all copies or substantial portions of the
1450N/A * Software.
1450N/A *
1450N/A * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
1450N/A * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
1450N/A * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
1450N/A * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
1450N/A * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
1450N/A * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
1450N/A * DEALINGS IN THE SOFTWARE.
1450N/A */
1450N/A
1450N/A/*
1450N/A * Copyright (c) 2012 Intel Corporation. All rights reserved.
1450N/A */
1450N/A
1450N/A#include "drm_linux.h"
1450N/A
1450N/Avoid
1450N/Akref_init(struct kref *kref)
1450N/A{
1450N/A atomic_set(&kref->refcount, 1);
1450N/A}
1450N/A
1450N/Avoid
1450N/Akref_get(struct kref *kref)
1450N/A{
1450N/A atomic_inc(&kref->refcount);
1450N/A}
1450N/A
1450N/Avoid
1450N/Akref_put(struct kref *kref, void (*release)(struct kref *kref))
1450N/A{
1450N/A if (!atomic_dec_uint_nv(&kref->refcount))
1450N/A release(kref);
1450N/A}
1450N/A
1450N/Aunsigned int
1450N/Ahweight16(unsigned int w)
1450N/A{
1450N/A w = (w & 0x5555) + ((w >> 1) & 0x5555);
1450N/A w = (w & 0x3333) + ((w >> 2) & 0x3333);
1450N/A w = (w & 0x0F0F) + ((w >> 4) & 0x0F0F);
1450N/A w = (w & 0x00FF) + ((w >> 8) & 0x00FF);
1450N/A return (w);
1450N/A}
1450N/A
1450N/Along
1450N/AIS_ERR(const void *ptr)
1450N/A{
1450N/A return ((unsigned long)ptr >= (unsigned long)-255);
1450N/A}
1450N/A
1450N/A#ifdef NEVER
1450N/A/*
1450N/A * kfree wrapper to Solaris VM.
1450N/A */
1450N/Avoid
1450N/Akfree(void *buf, size_t size) {
1450N/A}
1450N/A#endif