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3 Commits

Author SHA1 Message Date
Bartlomiej Zolnierkiewicz ab4117cf24 ata: move *sata_set_spd*() to libata-sata.c 
* 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>
 2020-03-26 10:28:19 -06:00
Bartlomiej Zolnierkiewicz 6eab1bc0ee ata: move sata_scr_*() to libata-sata.c 
* move sata_scr_*() 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:
  35642     572      40   36254    8d9e drivers/ata/libata-core.o
  16607      18       0   16625    40f1 drivers/ata/libata-eh.o
after:
  32846     572      40   33458    82b2 drivers/ata/libata-core.o
  16243      18       0   16261    3f85 drivers/ata/libata-eh.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>
 2020-03-26 10:28:19 -06:00
Bartlomiej Zolnierkiewicz 7fe183c773 ata: start separating SATA specific code from libata-core.c 
Start separating SATA specific code from libata-core.c:

* move following functions to libata-sata.c:
  - ata_tf_to_fis()
  - ata_tf_from_fis()
  - sata_link_scr_lpm()
  - ata_slave_link_init()
  - sata_lpm_ignore_phy_events()

* group above functions together in <linux/libata.h>

* include libata-sata.c in the build when CONFIG_SATA_HOST=y

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

   text    data     bss     dec     hex filename
before:
  37582     572      40   38194    9532 drivers/ata/libata-core.o
after:
  36762     572      40   37374    91fe 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>
 2020-03-26 10:28:19 -06:00