[deliverable/linux.git] / drivers / staging / rts5208 / general.c

/* Driver for Realtek PCI-Express card reader
 *
 * Copyright(c) 2009-2013 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 <http://www.gnu.org/licenses/>.
 *
 * Author:
 *   Wei WANG (wei_wang@realsil.com.cn)
 *   Micky Ching (micky_ching@realsil.com.cn)
 */

#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;
}
Commit	Line	Data
fa590c22 MC	1	/* Driver for Realtek PCI-Express card reader
	2	*
	3	* Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
	4	*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms of the GNU General Public License as published by the
	7	* Free Software Foundation; either version 2, or (at your option) any
	8	* later version.
	9	*
	10	* This program is distributed in the hope that it will be useful, but
	11	* WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	* General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License along
	16	* with this program; if not, see <http://www.gnu.org/licenses/>.
	17	*
	18	* Author:
	19	* Wei WANG (wei_wang@realsil.com.cn)
	20	* Micky Ching (micky_ching@realsil.com.cn)
	21	*/
	22
	23	#include "general.h"
	24
	25	int bit1cnt_long(u32 data)
	26	{
	27	int i, cnt = 0;
4a8e3076	28
fa590c22 MC	29	for (i = 0; i < 32; i++) {
	30	if (data & 0x01)
	31	cnt++;
	32	data >>= 1;
	33	}
	34	return cnt;
	35	}
	36