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author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-08 20:31:16 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-08 20:31:16 +0200 |
commit | 3f17ea6dea8ba5668873afa54628a91aaa3fb1c0 (patch) | |
tree | afbeb2accd4c2199ddd705ae943995b143a0af02 /include/acpi/platform/aclinuxex.h | |
parent | Linux 3.15 (diff) | |
parent | Merge tag 'clk-for-linus-3.16' of git://git.linaro.org/people/mike.turquette/... (diff) | |
download | linux-3f17ea6dea8ba5668873afa54628a91aaa3fb1c0.tar.xz linux-3f17ea6dea8ba5668873afa54628a91aaa3fb1c0.zip |
Merge branch 'next' (accumulated 3.16 merge window patches) into master
Now that 3.15 is released, this merges the 'next' branch into 'master',
bringing us to the normal situation where my 'master' branch is the
merge window.
* accumulated work in next: (6809 commits)
ufs: sb mutex merge + mutex_destroy
powerpc: update comments for generic idle conversion
cris: update comments for generic idle conversion
idle: remove cpu_idle() forward declarations
nbd: zero from and len fields in NBD_CMD_DISCONNECT.
mm: convert some level-less printks to pr_*
MAINTAINERS: adi-buildroot-devel is moderated
MAINTAINERS: add linux-api for review of API/ABI changes
mm/kmemleak-test.c: use pr_fmt for logging
fs/dlm/debug_fs.c: replace seq_printf by seq_puts
fs/dlm/lockspace.c: convert simple_str to kstr
fs/dlm/config.c: convert simple_str to kstr
mm: mark remap_file_pages() syscall as deprecated
mm: memcontrol: remove unnecessary memcg argument from soft limit functions
mm: memcontrol: clean up memcg zoneinfo lookup
mm/memblock.c: call kmemleak directly from memblock_(alloc|free)
mm/mempool.c: update the kmemleak stack trace for mempool allocations
lib/radix-tree.c: update the kmemleak stack trace for radix tree allocations
mm: introduce kmemleak_update_trace()
mm/kmemleak.c: use %u to print ->checksum
...
Diffstat (limited to 'include/acpi/platform/aclinuxex.h')
-rw-r--r-- | include/acpi/platform/aclinuxex.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/include/acpi/platform/aclinuxex.h b/include/acpi/platform/aclinuxex.h new file mode 100644 index 000000000000..191e741cfa0e --- /dev/null +++ b/include/acpi/platform/aclinuxex.h @@ -0,0 +1,112 @@ +/****************************************************************************** + * + * Name: aclinuxex.h - Extra OS specific defines, etc. for Linux + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#ifndef __ACLINUXEX_H__ +#define __ACLINUXEX_H__ + +#ifdef __KERNEL__ + +/* + * Overrides for in-kernel ACPICA + */ +acpi_status __init acpi_os_initialize(void); + +acpi_status acpi_os_terminate(void); + +/* + * The irqs_disabled() check is for resume from RAM. + * Interrupts are off during resume, just like they are for boot. + * However, boot has (system_state != SYSTEM_RUNNING) + * to quiet __might_sleep() in kmalloc() and resume does not. + */ +static inline void *acpi_os_allocate(acpi_size size) +{ + return kmalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL); +} + +static inline void *acpi_os_allocate_zeroed(acpi_size size) +{ + return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL); +} + +static inline void acpi_os_free(void *memory) +{ + kfree(memory); +} + +static inline void *acpi_os_acquire_object(acpi_cache_t * cache) +{ + return kmem_cache_zalloc(cache, + irqs_disabled()? GFP_ATOMIC : GFP_KERNEL); +} + +static inline acpi_thread_id acpi_os_get_thread_id(void) +{ + return (acpi_thread_id) (unsigned long)current; +} + +/* + * When lockdep is enabled, the spin_lock_init() macro stringifies it's + * argument and uses that as a name for the lock in debugging. + * By executing spin_lock_init() in a macro the key changes from "lock" for + * all locks to the name of the argument of acpi_os_create_lock(), which + * prevents lockdep from reporting false positives for ACPICA locks. + */ +#define acpi_os_create_lock(__handle) \ + ({ \ + spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock)); \ + if (lock) { \ + *(__handle) = lock; \ + spin_lock_init(*(__handle)); \ + } \ + lock ? AE_OK : AE_NO_MEMORY; \ + }) + +/* + * OSL interfaces added by Linux + */ +void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size); + +#endif /* __KERNEL__ */ + +#endif /* __ACLINUXEX_H__ */ |