#ifndef _ASM_GENERIC_BITOPS_FLS64_H_ #define _ASM_GENERIC_BITOPS_FLS64_H_ #include /** * fls64 - find last set bit in a 64-bit word * @x: the word to search * * This is defined in a similar way as the libc and compiler builtin * ffsll, but returns the position of the most significant set bit. * * fls64(value) returns 0 if value is 0 or the position of the last * set bit if value is nonzero. The last (most significant) bit is * at position 64. */ #if BITS_PER_LONG == 32 static __always_inline int fls64(__u64 x) { __u32 h = x >> 32; if (h) return fls(h) + 32; return fls(x); } #elif BITS_PER_LONG == 64 static __always_inline int fls64(__u64 x) { if (x == 0) return 0; return __fls(x) + 1; } #else #error BITS_PER_LONG not 32 or 64 #endif #endif /* _ASM_GENERIC_BITOPS_FLS64_H_ */ git net-next plumbingsTobias Klauser

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author	Charles Keepax <ckeepax@opensource.wolfsonmicro.com>	2016-11-10 10:45:18 +0000
committer	Mark Brown <broonie@kernel.org>	2016-11-10 17:28:32 +0000
commit	85b037442e3f0e84296ab1010fd6b057eee18496 (patch)
tree	b745f3f22cbd45af2039a004eb3f21d530afdc8b /include/net/af_rxrpc.h
parent	1001354ca34179f3db924eb66672442a173147dc (diff)

regulators: helpers: Fix handling of bypass_val_on in get_bypass_regmap

The handling of bypass_val_on that was added in regulator_get_bypass_regmap is done unconditionally however several drivers don't define a value for bypass_val_on. This results in those drivers reporting bypass being enabled when it is not. In regulator_set_bypass_regmap we use bypass_mask if bypass_val_on is zero. This patch adds similar handling in regulator_get_bypass_regmap. Fixes: commit dd1a571daee7 ("regulator: helpers: Ensure bypass register field matches ON value") Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@kernel.org>

Diffstat (limited to 'include/net/af_rxrpc.h')