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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2011-04-04 11:24:47 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-04-04 16:41:32 +0200 |
| commit | eb133335e6441e4dd6b69b7f14ea71abba593470 (patch) | |
| tree | abc9a3c4a99d870878780dd4db34a84cf6d4ed23 /commands/nand.c | |
| parent | 779ea89bafebdbb8f022fef44605bed37279589a (diff) | |
| download | barebox-eb133335e6441e4dd6b69b7f14ea71abba593470.tar.gz barebox-eb133335e6441e4dd6b69b7f14ea71abba593470.tar.xz | |
nand: Make write support optional
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'commands/nand.c')
| -rw-r--r-- | commands/nand.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/commands/nand.c b/commands/nand.c index d3921b9f2d..70e83aa7f8 100644 --- a/commands/nand.c +++ b/commands/nand.c @@ -86,6 +86,7 @@ static ssize_t nand_bb_read(struct cdev *cdev, void *buf, size_t count, /* Must be a multiple of the largest NAND page size */ #define BB_WRITEBUF_SIZE 4096 +#ifdef CONFIG_NAND_WRITE static int nand_bb_write_buf(struct nand_bb *bb, size_t count) { int ret, now; @@ -160,6 +161,7 @@ static int nand_bb_erase(struct cdev *cdev, size_t count, unsigned long offset) return erase(bb->fd, bb->raw_size, 0); } +#endif static int nand_bb_open(struct cdev *cdev, struct filep *f) { @@ -180,9 +182,10 @@ static int nand_bb_close(struct cdev *cdev, struct filep *f) { struct nand_bb *bb = cdev->priv; +#ifdef CONFIG_NAND_WRITE if (bb->needs_write) nand_bb_write_buf(bb, bb->offset % BB_WRITEBUF_SIZE); - +#endif bb->open = 0; free(bb->writebuf); @@ -211,8 +214,10 @@ static struct file_operations nand_bb_ops = { .open = nand_bb_open, .close = nand_bb_close, .read = nand_bb_read, +#ifdef CONFIG_NAND_WRITE .write = nand_bb_write, .erase = nand_bb_erase, +#endif }; /** |