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kernel/linux-rt-4.4.41/arch/powerpc/include/asm/async_tx.h 1.64 KB
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  /*
   * Copyright (C) 2008-2009 DENX Software Engineering.
   *
   * Author: Yuri Tikhonov <yur@emcraft.com>
   *
   * 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.
   *
   * The full GNU General Public License is included in this distribution in the
   * file called COPYING.
   */
  #ifndef _ASM_POWERPC_ASYNC_TX_H_
  #define _ASM_POWERPC_ASYNC_TX_H_
  
  #if defined(CONFIG_440SPe) || defined(CONFIG_440SP)
  extern struct dma_chan *
  ppc440spe_async_tx_find_best_channel(enum dma_transaction_type cap,
  	struct page **dst_lst, int dst_cnt, struct page **src_lst,
  	int src_cnt, size_t src_sz);
  
  #define async_tx_find_channel(dep, cap, dst_lst, dst_cnt, src_lst, \
  			      src_cnt, src_sz) \
  	ppc440spe_async_tx_find_best_channel(cap, dst_lst, dst_cnt, src_lst, \
  					     src_cnt, src_sz)
  #else
  
  #define async_tx_find_channel(dep, type, dst, dst_count, src, src_count, len) \
  	__async_tx_find_channel(dep, type)
  
  struct dma_chan *
  __async_tx_find_channel(struct async_submit_ctl *submit,
  			enum dma_transaction_type tx_type);
  
  #endif
  
  #endif