1. 17 Mar, 2020 1 commit
    • Oscar Carter's avatar
      staging: vt6656: Use BIT_ULL() macro instead of bit shift operation · d8dd3645
      Oscar Carter authored
      Replace the bit left shift operation with the BIT_ULL() macro and remove
      the unnecessary mask off operation against the bit_nr variable.
      
      This mask is only there for legacy reasons. Originally it was 31 (0x1f)
      and the bit_nr variable spread across an mc_filter array with two u32
      elements. Now, this mask is not needed because its value is 0x3f and the
      mc_filter variable is an u64 type.
      
      In this situation, the 26 bit right shift operation against the value
      returned by the ether_crc function set the bit_nr variable to the
      following value:
      
      bit 31 to bit 6 -> All 0 (due to the bit shift operation happens over an
      unsigned type).
      
      bit 5 to bit 0 -> The 6 msb bits of the value returned by the ether_crc
      function.
      
      The purpose of the 0x3f mask against the bit_nr variable is to reset
      (set to 0) the 26 msb bits (bit 31 to bit 6), but these bits are yet 0.
      So, the mask off operation is now unnecessary.
      Signed-off-by: default avatarOscar Carter <oscar.carter@gmx.com>
      Link: https://lore.kernel.org/r/20200314161441.4870-1-oscar.carter@gmx.comSigned-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
      d8dd3645
  2. 12 Mar, 2020 9 commits
  3. 11 Mar, 2020 12 commits
  4. 10 Mar, 2020 18 commits