On Wed, May 26, 2021 at 02:12:58PM +0800, cy_huang wrote:> + /* xor checksum for bit 6 to 0 */> + bit_count = __sw_hweight8(code & RT6245_CODE_MASK);This doesn't compile with an x86 allmodconfig:ERROR: modpost: "__sw_hweight8" [drivers/regulator/rt6245-regulator.ko] undefined![unhandled content-type:application/pgp-signature]