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Add a flash_eraseall() function

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3918 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2011-08-27 16:31:41 +00:00
parent 25d421cdaf
commit 767975d882
5 changed files with 164 additions and 10 deletions
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drivers/mtd/ftl.c
+34 -9
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@@ -420,21 +420,46 @@ static int ftl_geometry(FAR struct inode *inode, struct geometry *geometry)
static int ftl_ioctl(FAR struct inode *inode, int cmd, unsigned long arg)
{
struct ftl_struct_s *dev ;
int ret = -ENOTTY;
int ret;
fvdbg("Entry\n");
/* Only one ioctl command is supported (and that is just passed on to MTD */
DEBUGASSERT(inode && inode->i_private);
if (cmd == BIOC_XIPBASE && arg != 0)
/* Only one block driver ioctl command is supported by this driver (and
* that command is just passed on to the MTD driver in a slightly
* different form).
*/
if (cmd == BIOC_XIPBASE)
{
dev = (struct ftl_struct_s *)inode->i_private;
ret = MTD_IOCTL(dev->mtd, MTDIOC_XIPBASE, arg);
if (ret < 0)
/* The argument accompanying the BIOC_XIPBASE should be non-NULL. If
* DEBUG is enabled, we will catch it here instead of in the MTD
* driver.
*/
#ifdef CONFIG_DEBUG
if (arg == 0)
{
fdbg("MTD ioctl(MTDIOC_XIPBASE) failed: %d\n", ret);
fdbg("ERROR: BIOC_XIPBASE argument is NULL\n");
return -EINVAL;
}
#endif
/* Just change the BIOC_XIPBASE command to the MTDIOC_XIPBASE command. */
cmd = MTDIOC_XIPBASE;
}
/* No other block driver ioctl commmands are not recognized by this
* driver. Other possible MTD driver ioctl commands are passed through
* to the MTD driver (unchanged).
*/
dev = (struct ftl_struct_s *)inode->i_private;
ret = MTD_IOCTL(dev->mtd, cmd, arg);
if (ret < 0)
{
fdbg("ERROR: MTD ioctl(%04x) failed: %d\n", cmd, ret);
}
return ret;