diff options
Diffstat (limited to 'drivers/usb/host/shost/shost_transfer.h')
| -rw-r--r-- | drivers/usb/host/shost/shost_transfer.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/usb/host/shost/shost_transfer.h b/drivers/usb/host/shost/shost_transfer.h new file mode 100644 index 0000000..397fdae --- /dev/null +++ b/drivers/usb/host/shost/shost_transfer.h @@ -0,0 +1,52 @@ +/**************************************************************************** + * (C) Copyright 2008 Samsung Electronics Co., Ltd., All rights reserved + * + * [File Name] : s3c-otg-transfer-transfer.h + * [Description] : The Header file defines the external + * and internal functions of Transfer. + * [Author] : Yang Soon Yeal { syatom.yang@samsung.com } + * [Department] : System LSI Division/System SW Lab + * [Created Date]: 2008/06/03 + * [Revision History] + * (1) 2008/06/03 by Yang Soon Yeal { syatom.yang@samsung.com } + * - Created this file and defines functions of Transfer + * -# Jul 15,2008 v1.2 by SeungSoo Yang (ss1.yang@samsung.com) + * : Optimizing for performance + * + ****************************************************************************/ +/**************************************************************************** + * 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 of the License, 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + ****************************************************************************/ + +#ifndef _TRANSFER_H +#define _TRANSFER_H + +/* + transfer-common.c + transferchecker_common.c + */ +int delete_td(struct sec_otghost *otghost, struct td * delete_td); + +static inline u32 calc_packet_cnt(u32 data_size, u16 max_packet_size) +{ + if (data_size != 0) { + return (data_size % max_packet_size == 0) ? + data_size/max_packet_size : + data_size/max_packet_size + 1; + } + return 1; +} +#endif + |