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author | Thomas Gleixner <tglx@linutronix.de> | 2017-03-09 12:06:41 +0100 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2017-03-09 12:06:41 +0100 |
commit | 920c634aff6cb66e7f352668521eb1313897e93c (patch) | |
tree | 0f2e2eb15756fdd93c8ea47f9080fc3c1abeeae6 /tools/testing/radix-tree/linux/bitops/__ffs.h | |
parent | b28ace12661fbcfd90959c1e84ff5a85113a82a1 (diff) | |
parent | 4b9de5da7e120c7f02395da729f0ec77ce7a6044 (diff) |
Merge tag 'irq-fixes-4.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull irqchip/irqdomain updates for 4.11-rc2 from Marc Zyngier
- irqchip/crossbar: Some type tidying up
- irqchip/gicv3-its: Workaround for a Qualcomm erratum
- irqdomain: Compile for for systems that don't use CONFIG_IRQ_DOMAIN
Fixed up minor conflict in the crossbar driver.
Diffstat (limited to 'tools/testing/radix-tree/linux/bitops/__ffs.h')
-rw-r--r-- | tools/testing/radix-tree/linux/bitops/__ffs.h | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/tools/testing/radix-tree/linux/bitops/__ffs.h b/tools/testing/radix-tree/linux/bitops/__ffs.h deleted file mode 100644 index 9a3274aecf83..000000000000 --- a/tools/testing/radix-tree/linux/bitops/__ffs.h +++ /dev/null @@ -1,43 +0,0 @@ -#ifndef _ASM_GENERIC_BITOPS___FFS_H_ -#define _ASM_GENERIC_BITOPS___FFS_H_ - -#include <asm/types.h> - -/** - * __ffs - find first bit in word. - * @word: The word to search - * - * Undefined if no bit exists, so code should check against 0 first. - */ -static inline unsigned long __ffs(unsigned long word) -{ - int num = 0; - -#if BITS_PER_LONG == 64 - if ((word & 0xffffffff) == 0) { - num += 32; - word >>= 32; - } -#endif - if ((word & 0xffff) == 0) { - num += 16; - word >>= 16; - } - if ((word & 0xff) == 0) { - num += 8; - word >>= 8; - } - if ((word & 0xf) == 0) { - num += 4; - word >>= 4; - } - if ((word & 0x3) == 0) { - num += 2; - word >>= 2; - } - if ((word & 0x1) == 0) - num += 1; - return num; -} - -#endif /* _ASM_GENERIC_BITOPS___FFS_H_ */ |