/* Driver for Realtek PCI-Express card reader * * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2, or (at your option) any * later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, see . * * Author: * wwang (wei_wang@realsil.com.cn) * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China */ #include "general.h" int bit1cnt_long(u32 data) { int i, cnt = 0; for (i = 0; i < 32; i++) { if (data & 0x01) cnt++; data >>= 1; } return cnt; }