26 lines · c
1// SPDX-License-Identifier: GPL-2.0+2/*3 * Driver for Realtek PCI-Express card reader4 *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