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| author | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2020-03-26 16:58:22 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-03-26 10:28:20 -0600 |
| commit | bf89b0bf3038cdc972b563b16c68cee1b8eefb31 (patch) | |
| tree | be86a8998acf9ec4eb3f982acb07f8087a0581bb /drivers/ata/libata.h | |
| parent | a0ccd2511b6f70394b30f8290da8bfc723d6bc07 (diff) | |
| download | linux-bf89b0bf3038cdc972b563b16c68cee1b8eefb31.tar.bz2 | |
ata: make "libata.force" kernel parameter optional
Add ATA_FORCE config option (visible only if EXPERT config
option is enabled) and make "libata.force" kernel parameter
optional.
Code size savings on m68k arch using (modified) atari_defconfig:
text data bss dec hex filename
w/ CONFIG_ATA_FORCE=y:
31983 572 40 32595 7f53 drivers/ata/libata-core.o
w/ CONFIG_ATA_FROCE=n:
28958 316 32 29306 727a drivers/ata/libata-core.o
Suggested-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/ata/libata.h')
| -rw-r--r-- | drivers/ata/libata.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index 6c808cf39135..68cdd81d747c 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -37,7 +37,11 @@ extern int libata_noacpi; extern int libata_allow_tpm; extern const struct device_type ata_port_type; extern struct ata_link *ata_dev_phys_link(struct ata_device *dev); +#ifdef CONFIG_ATA_FORCE extern void ata_force_cbl(struct ata_port *ap); +#else +static inline void ata_force_cbl(struct ata_port *ap) { } +#endif extern u64 ata_tf_to_lba(const struct ata_taskfile *tf); extern u64 ata_tf_to_lba48(const struct ata_taskfile *tf); extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev, int tag); |