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Fix mount problem 

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@1835 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo 2009-05-29 13:32:00 +00:00
parent 8dc817f27d
commit f9b21e721f
6 changed files with 50 additions and 15 deletions
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2
nuttx/ChangeLog
View File

@ -749,5 +749,7 @@
* configs/mcu123-lpc214x/src: Corrected some logic in the LPC2148 SPI receive block
logic. Re-verified SDC ver1.x support with 1Gb Toshiba SDC, 1Gb PNY SDC, 2Gb SanDisk SDC,
and 4Gb Kingston SDHC.
* fs/fs_mount.c: Corrected error handling that could cause a deadlock on certain
mount() failures.

4
nuttx/Documentation/NuttX.html
View File

@ -8,7 +8,7 @@
<tr align="center" bgcolor="#e4e4e4">
<td>
<h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
<p>Last Updated: May 28, 2009</p>
<p>Last Updated: May 29, 2009</p>
</td>
</tr>
</table>
@ -1439,6 +1439,8 @@ nuttx-0.4.7 2009-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
* configs/mcu123-lpc214x/src: Corrected some logic in the LPC2148 SPI receive block
logic. Re-verified SDC ver1.x support with 1Gb Toshiba SDC, 1Gb PNY SDC, 2Gb SanDisk SDC,
and 4Gb Kingston SDHC.
* fs/fs_mount.c: Corrected error handling that could cause a deadlock on certain
mount() failures.
pascal-0.1.3 2009-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;

42
nuttx/drivers/mmcsd/mmcsd_spi.c
View File

@ -431,8 +431,17 @@ static uint32 mmcsd_sendcmd(FAR struct mmcsd_slot_s *slot,
FAR struct spi_dev_s *spi = slot->spi;
uint32 result;
ubyte response = 0xff;
int ret;
int i;
/* Wait until the card is not busy */
ret = mmcsd_waitready(slot);
if (ret != OK)
{
return ret;
}
/* Send command code */
SPI_SEND(spi, cmd->cmd);
@ -1012,15 +1021,34 @@ static int mmcsd_open(FAR struct inode *inode)
}
#endif
/* Select the slave */
/* Verify that an MMC/SD card has been inserted */
ret = -ENODEV;
mmcsd_semtake(&slot->sem);
SPI_SELECT(spi, SPIDEV_MMCSD, TRUE);
if ((SPI_STATUS(spi, SPIDEV_MMCSD) & SPI_STATUS_PRESENT) != 0)
{
/* Yes.. a card is present. Has it been initialized? */
/* Verify that the MMC/SD card is alive and ready for business */
if (slot->type == MMCSD_CARDTYPE_UNKNOWN)
{
/* Ininitialize for the media in the slot */
ret = mmcsd_waitready(slot);
SPI_SELECT(spi, SPIDEV_MMCSD, FALSE);
ret = mmcsd_mediainitialize(slot);
if (ret < 0)
{
fvdbg("Failed to initialize card\n");
goto errout_with_sem;
}
}
/* Make sure that the card is ready */
SPI_SELECT(spi, SPIDEV_MMCSD, TRUE);
ret = mmcsd_waitready(slot);
SPI_SELECT(spi, SPIDEV_MMCSD, FALSE);
}
errout_with_sem:
mmcsd_semgive(&slot->sem);
return ret;
}
@ -1084,7 +1112,7 @@ static ssize_t mmcsd_read(FAR struct inode *inode, unsigned char *buffer,
}
#endif
/* Verify that card is availabled */
/* Verify that card is available */
if (slot->state & MMCSD_SLOTSTATUS_NOTREADY)
{
@ -1237,7 +1265,7 @@ static ssize_t mmcsd_write(FAR struct inode *inode, const unsigned char *buffer,
}
#endif
/* Verify that card is availabled */
/* Verify that card is available */
if (slot->state & MMCSD_SLOTSTATUS_NOTREADY)
{

2
nuttx/examples/nsh/nsh_fscmds.c
View File

@ -1,7 +1,7 @@
/****************************************************************************
* examples/nsh/nsh_fscmds.c
*
* Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
* Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without

4
nuttx/fs/fat/fs_fat32.c
View File

@ -1,7 +1,7 @@
/****************************************************************************
* fs_fat32.c
*
* Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
* Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* References:
@ -1482,7 +1482,7 @@ static int fat_bind(FAR struct inode *blkdriver, const void *data,
}
if (blkdriver->u.i_bops->open &&
blkdriver->u.i_bops->open(blkdriver) != OK)
blkdriver->u.i_bops->open(blkdriver) != OK)
{
return -ENODEV;
}

11
nuttx/fs/fs_mount.c
View File

@ -1,7 +1,7 @@
/****************************************************************************
* fs/fs_mount.c
*
* Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
* Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
@ -231,7 +231,7 @@ int mount(const char *source, const char *target,
fdbg("Bind method failed: %d\n", status);
errcode = -status;
goto errout_with_blkdrvr;
goto errout_with_mountpt;
}
/* We have it, now populate it with driver specific information. */
@ -256,13 +256,16 @@ int mount(const char *source, const char *target,
/* A lot of goto's! But they make the error handling much simpler */
errout_with_blkdrvr:
inode_release(blkdrvr_inode);
errout_with_mountpt:
inode_semgive();
inode_release(blkdrvr_inode);
inode_release(mountpt_inode);
goto errout;
errout_with_semaphore:
inode_semgive();
inode_release(blkdrvr_inode);
errout:
errno = errcode;
return ERROR;