root/drivers/staging/rts5208/general.c

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DEFINITIONS

This source file includes following definitions.
  1. bit1cnt_long

   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 

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