On Tue, 11 Nov 2025 at 07:48, Heiko Schocher <[email protected]> wrote: > > sm3 crypto algorithm uses rol32 function from linux, so > import it. Linux base was: > > commit ca91b9500108:("Merge tag 'v6.15-rc4-ksmbd-server-fixes' of > git://git.samba.org/ksmbd") > > Signed-off-by: Heiko Schocher <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]> > --- > > Changes in v2: > rebase to > 6b27b688694: ("Merge branch 'master' of > https://source.denx.de/u-boot/custodians/u-boot-sh";) > add Ilias to Series-cc > > include/linux/bitops.h | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/include/linux/bitops.h b/include/linux/bitops.h > index f826d7f3b34..29e0da48de8 100644 > --- a/include/linux/bitops.h > +++ b/include/linux/bitops.h > @@ -148,6 +148,17 @@ static inline unsigned long hweight_long(unsigned long w) > return sizeof(w) == 4 ? generic_hweight32(w) : generic_hweight64(w); > } > > +/** > + * rol32 - rotate a 32-bit value left > + * @word: value to rotate > + * @shift: bits to roll > + */ > + > +static inline __u32 rol32(__u32 word, unsigned int shift) > +{ > + return (word << (shift & 31)) | (word >> ((-shift) & 31)); > +} > + > #include <asm/bitops.h> > > /* linux/include/asm-generic/bitops/non-atomic.h */ > -- > 2.20.1 >
