LXR linux/drivers/staging/rts5208/general.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Driver for Realtek PCI-Express card reader
   4 *
   5 * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
   6 *
   7 * Author:
   8 *   Wei WANG (wei_wang@realsil.com.cn)
   9 *   Micky Ching (micky_ching@realsil.com.cn)
  10 */
  11
  12#include "general.h"
  13
  14int bit1cnt_long(u32 data)
  15{
  16        int i, cnt = 0;
  17
  18        for (i = 0; i < 32; i++) {
  19                if (data & 0x01)
  20                        cnt++;
  21                data >>= 1;
  22        }
  23        return cnt;
  24}
  25
  26