ossc/software/sys_controller_bsp/HAL/src/alt_flash_dev.c
2016-02-23 01:03:50 +02:00

70 lines
3.5 KiB
C

/******************************************************************************
* *
* License Agreement *
* *
* Copyright (c) 2004 Altera Corporation, San Jose, California, USA. *
* All rights reserved. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the "Software"), *
* to deal in the Software without restriction, including without limitation *
* the rights to use, copy, modify, merge, publish, distribute, sublicense, *
* and/or sell copies of the Software, and to permit persons to whom the *
* Software is furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included in *
* all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
* DEALINGS IN THE SOFTWARE. *
* *
* This agreement shall be governed in all respects by the laws of the State *
* of California and by the laws of the United States of America. *
* *
* Altera does not recommend, suggest or require that this reference design *
* file be used in conjunction or combination with any other product. *
******************************************************************************/
/******************************************************************************
* *
* Alt_flash.c - Functions to register a flash device to the "generic" flash *
* interface *
* *
* Author PRR *
* *
******************************************************************************/
#include <errno.h>
#include "sys/alt_llist.h"
#include "sys/alt_flash_dev.h"
#include "priv/alt_file.h"
ALT_LLIST_HEAD(alt_flash_dev_list);
alt_flash_fd* alt_flash_open_dev(const char* name)
{
alt_flash_dev* dev = (alt_flash_dev*)alt_find_dev(name, &alt_flash_dev_list);
if ((dev) && dev->open)
{
return dev->open(dev, name);
}
return dev;
}
void alt_flash_close_dev(alt_flash_fd* fd)
{
if (fd && fd->close)
{
fd->close(fd);
}
return;
}