diff options
Diffstat (limited to 'drivers/staging/rts5208/general.c')
| -rw-r--r-- | drivers/staging/rts5208/general.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/staging/rts5208/general.c b/drivers/staging/rts5208/general.c new file mode 100644 index 000000000..0f912b011 --- /dev/null +++ b/drivers/staging/rts5208/general.c @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Driver for Realtek PCI-Express card reader + * + * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved. + * + * 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; +} + |