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