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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2010-06-28 10:21:57 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-07-05 13:00:02 +0200 |
| commit | acc46ca4f0e1332fb5dd47f4c24b4f71bdb99df5 (patch) | |
| tree | 1461f8fef2a9f81c2dd1cbf0802d7fc1554a29fe /fs | |
| parent | a33bc77bddf4b01b42383b65ce97f51465d51a00 (diff) | |
| download | barebox-acc46ca4f0e1332fb5dd47f4c24b4f71bdb99df5.tar.gz barebox-acc46ca4f0e1332fb5dd47f4c24b4f71bdb99df5.tar.xz | |
add partition mtd support
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/Kconfig | 3 | ||||
| -rw-r--r-- | fs/devfs.c | 31 |
2 files changed, 34 insertions, 0 deletions
diff --git a/fs/Kconfig b/fs/Kconfig index 3e9de96fad..d05797ab1f 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -16,4 +16,7 @@ config FS_DEVFS default y prompt "devfs support" +config PARTITION_NEED_MTD + bool + endmenu diff --git a/fs/devfs.c b/fs/devfs.c index 7478ef9f76..9ce9117672 100644 --- a/fs/devfs.c +++ b/fs/devfs.c @@ -31,6 +31,8 @@ #include <linux/stat.h> #include <ioctl.h> #include <nand.h> +#include <linux/err.h> +#include <linux/mtd/mtd.h> #include <linux/mtd/mtd-abi.h> #include <partition.h> @@ -170,6 +172,7 @@ static int devfs_close(struct device_d *_dev, FILE *f) static int partition_ioctl(struct cdev *cdev, int request, void *buf) { size_t offset; + struct mtd_info_user *user = buf; switch (request) { case MEMSETBADBLOCK: @@ -178,6 +181,18 @@ static int partition_ioctl(struct cdev *cdev, int request, void *buf) offset += cdev->offset; return cdev->ops->ioctl(cdev, request, (void *)offset); case MEMGETINFO: + if (cdev->mtd) { + user->type = cdev->mtd->type; + user->flags = cdev->mtd->flags; + user->size = cdev->mtd->size; + user->erasesize = cdev->mtd->erasesize; + user->oobsize = cdev->mtd->oobsize; + user->mtd = cdev->mtd; + /* The below fields are obsolete */ + user->ecctype = -1; + user->eccsize = 0; + return 0; + } return cdev->ops->ioctl(cdev, request, buf); default: return -EINVAL; @@ -351,6 +366,17 @@ int devfs_add_partition(const char *devname, unsigned long offset, size_t size, new->dev = cdev->dev; new->flags = flags | DEVFS_IS_PARTITION; +#ifdef CONFIG_PARTITION_NEED_MTD + if (cdev->mtd) { + new->mtd = mtd_add_partition(cdev->mtd, offset, size, flags, name); + if (IS_ERR(new->mtd)) { + int ret = PTR_ERR(new->mtd); + free(new); + return ret; + } + } +#endif + devfs_create(new); return 0; @@ -370,6 +396,11 @@ int devfs_del_partition(const char *name) if (cdev->flags & DEVFS_PARTITION_FIXED) return -EPERM; +#ifdef CONFIG_PARTITION_NEED_MTD + if (cdev->mtd) + mtd_del_partition(cdev->mtd); +#endif + ret = devfs_remove(cdev); if (ret) return ret; |