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ata: move *sata_set_spd*() to libata-sata.c

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* move *sata_set_spd*() to libata-sata.c

* add static inlines for CONFIG_SATA_HOST=n case

Code size savings on m68k arch using (modified) atari_defconfig:

   text    data     bss     dec     hex filename
before:
  32842     572      40   33458    82ae drivers/ata/libata-core.o
after:
  32812     572      40   33428    8290 drivers/ata/libata-core.o

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2020-03-26 16:58:13 +01:00 • committed by Jens Axboe
parent 6eab1bc0ee
commit ab4117cf24
4 changed files with 90 additions and 82 deletions
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3
include/linux/libata.h
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@ -1074,7 +1074,6 @@ static inline int ata_port_is_dummy(struct ata_port *ap)
return ap->ops == &ata_dummy_port_ops;
}
extern int sata_set_spd(struct ata_link *link);
extern int ata_std_prereset(struct ata_link *link, unsigned long deadline);
extern int ata_wait_after_reset(struct ata_link *link, unsigned long deadline,
int (*check_ready)(struct ata_link *link));
@ -1194,6 +1193,7 @@ extern int sata_scr_valid(struct ata_link *link);
extern int sata_scr_read(struct ata_link *link, int reg, u32 *val);
extern int sata_scr_write(struct ata_link *link, int reg, u32 val);
extern int sata_scr_write_flush(struct ata_link *link, int reg, u32 val);
extern int sata_set_spd(struct ata_link *link);
#else
static inline int sata_scr_valid(struct ata_link *link) { return 0; }
static inline int sata_scr_read(struct ata_link *link, int reg, u32 *val)
@ -1208,6 +1208,7 @@ static inline int sata_scr_write_flush(struct ata_link *link, int reg, u32 val)
{
return -EOPNOTSUPP;
}
static inline int sata_set_spd(struct ata_link *link) { return -EOPNOTSUPP; }
#endif
extern int sata_link_scr_lpm(struct ata_link *link, enum ata_lpm_policy policy,
bool spm_wakeup);