diff options
Diffstat (limited to 'nuttx/drivers/bch/bchdev_register.c')
-rw-r--r-- | nuttx/drivers/bch/bchdev_register.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/nuttx/drivers/bch/bchdev_register.c b/nuttx/drivers/bch/bchdev_register.c new file mode 100644 index 000000000..924977371 --- /dev/null +++ b/nuttx/drivers/bch/bchdev_register.c @@ -0,0 +1,104 @@ +/**************************************************************************** + * drivers/bch/bchdev_register.c + * + * Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <stdbool.h> +#include <errno.h> +#include <assert.h> +#include <debug.h> + +#include "bch_internal.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: bchdev_register + * + * Description: + * Setup so that it exports the block driver referenced by 'blkdev' as a + * character device 'chardev' + * + ****************************************************************************/ + +int bchdev_register(FAR const char *blkdev, FAR const char *chardev, + bool readonly) +{ + FAR void *handle; + int ret; + + /* Setup the BCH lib functions */ + + ret = bchlib_setup(blkdev, readonly, &handle); + if (ret < 0) + { + fdbg("bchlib_setup failed: %d\n", -ret); + return ret; + } + + /* Then setup the character device */ + + ret = register_driver(chardev, &bch_fops, 0666, handle); + if (ret < 0) + { + fdbg("register_driver failed: %d\n", -ret); + bchlib_teardown(handle); + handle = NULL; + } + + return ret; +} |