f99a4f557d
Gregory Nutt is has submitted the SGA Ken Pettit has submitted the ICLA as a result we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
/****************************************************************************
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* apps/fsutils/flash_eraseall/flash_eraseall.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/mtd/mtd.h>
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#include "fsutils/flash_eraseall.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: flash_eraseall
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*
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* Description:
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* Call a block driver with the MDIOC_BULKERASE ioctl command. This will
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* cause the MTD driver to erase all of the flash.
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*
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****************************************************************************/
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int flash_eraseall(FAR const char *driver)
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{
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int errcode;
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int fd;
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int ret;
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/* Open the block driver */
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fd = open(driver, O_RDONLY);
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if (fd < 0)
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{
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errcode = errno;
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ferr("ERROR: Failed to open '%s': %d\n", driver, errcode);
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ret = -errcode;
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}
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else
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{
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/* Invoke the block driver ioctl method */
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ret = ioctl(fd, MTDIOC_BULKERASE, 0);
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if (ret < 0)
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{
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errcode = errno;
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ferr("ERROR: MTD ioctl(%04x) failed: %d\n", MTDIOC_BULKERASE, errcode);
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ret = -errcode;
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}
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/* Close the block driver */
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close(fd);
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}
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return ret;
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}
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