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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2011-04-07 17:18:33 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-04-11 15:57:51 +0200 |
| commit | 99b9ca240ddccf63ab0e3eefbcf5e466220bb7c0 (patch) | |
| tree | fadcf7b5d832189bdd3110909f0f957a32c39bd9 | |
| parent | ec441a536ef4480e70df5dc58d050e78f38db804 (diff) | |
| download | barebox-99b9ca240ddccf63ab0e3eefbcf5e466220bb7c0.tar.gz barebox-99b9ca240ddccf63ab0e3eefbcf5e466220bb7c0.tar.xz | |
ata: make write support optional
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | drivers/ata/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/ata/disk_drive.c | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 05cba70be2..d7f4dcbfe3 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -8,6 +8,10 @@ if ATA comment "drive types" +config ATA_WRITE + select BLOCK_WRITE + bool "support writing to ATA drives" + config ATA_DISK bool "disk drives" help diff --git a/drivers/ata/disk_drive.c b/drivers/ata/disk_drive.c index 4ad5a7a827..f526b1e102 100644 --- a/drivers/ata/disk_drive.c +++ b/drivers/ata/disk_drive.c @@ -137,6 +137,7 @@ static int atablk_read(struct block_device *blk, void *buf, int block, return atablk->intf->read(atablk->dev, block, num_blocks, buf); } +#ifdef CONFIG_ATA_WRITE static int atablk_write(struct block_device *blk, const void *buf, int block, int num_blocks) { @@ -144,10 +145,13 @@ static int atablk_write(struct block_device *blk, const void *buf, int block, return atablk->intf->write(atablk->dev, block, num_blocks, buf); } +#endif static struct block_device_ops ataops = { .read = atablk_read, +#ifdef CONFIG_ATA_WRITE .write = atablk_write, +#endif }; /** |