Revision 66745863ecdec7abbfc3325c2d917eecb739c069 authored by Linus Torvalds on 08 August 2021, 17:41:49 UTC, committed by Linus Torvalds on 08 August 2021, 17:41:49 UTC
Pull char/misc driver fixes from Greg KH: "Here are some small char/misc driver fixes for 5.14-rc5. They resolve a few regressions that people reported: - acrn driver fix - fpga driver fix - interconnect tiny driver fixes All have been in linux-next for a while with no reported issues" * tag 'char-misc-5.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: interconnect: Fix undersized devress_alloc allocation interconnect: qcom: icc-rpmh: Add BCMs to commit list in pre_aggregate interconnect: qcom: icc-rpmh: Ensure floor BW is enforced for all nodes fpga: dfl: fme: Fix cpu hotplug issue in performance reporting virt: acrn: Do hcall_destroy_vm() before resource release interconnect: Always call pre_aggregate before aggregate interconnect: Zero initial BW after sync-state
clz_ctz.c
// SPDX-License-Identifier: GPL-2.0-only
/*
* lib/clz_ctz.c
*
* Copyright (C) 2013 Chanho Min <chanho.min@lge.com>
*
* The functions in this file aren't called directly, but are required by
* GCC builtins such as __builtin_ctz, and therefore they can't be removed
* despite appearing unreferenced in kernel source.
*
* __c[lt]z[sd]i2 can be overridden by linking arch-specific versions.
*/
#include <linux/export.h>
#include <linux/kernel.h>
int __weak __ctzsi2(int val);
int __weak __ctzsi2(int val)
{
return __ffs(val);
}
EXPORT_SYMBOL(__ctzsi2);
int __weak __clzsi2(int val);
int __weak __clzsi2(int val)
{
return 32 - fls(val);
}
EXPORT_SYMBOL(__clzsi2);
int __weak __clzdi2(long val);
int __weak __ctzdi2(long val);
#if BITS_PER_LONG == 32
int __weak __clzdi2(long val)
{
return 32 - fls((int)val);
}
EXPORT_SYMBOL(__clzdi2);
int __weak __ctzdi2(long val)
{
return __ffs((u32)val);
}
EXPORT_SYMBOL(__ctzdi2);
#elif BITS_PER_LONG == 64
int __weak __clzdi2(long val)
{
return 64 - fls64((u64)val);
}
EXPORT_SYMBOL(__clzdi2);
int __weak __ctzdi2(long val)
{
return __ffs64((u64)val);
}
EXPORT_SYMBOL(__ctzdi2);
#else
#error BITS_PER_LONG not 32 or 64
#endif
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