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
14 int 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