Commit a0ab51ce authored by Tejun Heo's avatar Tejun Heo
Browse files

[PATCH] libata: kill old SCR functions and sata_dev_present() 



Kill now unused scr_{read|write|write_flush}() and sata_dev_present().

Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
parent 81952c54

include/linux/libata.h

+0 −22
Original line number Diff line number Diff line
@@ -939,28 +939,6 @@ static inline u8 ata_irq_ack(struct ata_port *ap, unsigned int chk_drq) 
	return status;

}



static inline u32 scr_read(struct ata_port *ap, unsigned int reg)

{

	return ap->ops->scr_read(ap, reg);

}



static inline void scr_write(struct ata_port *ap, unsigned int reg, u32 val)

{

	ap->ops->scr_write(ap, reg, val);

}



static inline void scr_write_flush(struct ata_port *ap, unsigned int reg,

				   u32 val)

{

	ap->ops->scr_write(ap, reg, val);

	(void) ap->ops->scr_read(ap, reg);

}



static inline unsigned int sata_dev_present(struct ata_port *ap)

{

	return ((scr_read(ap, SCR_STATUS) & 0xf) == 0x3) ? 1 : 0;

}



static inline int ata_try_flush_cache(const struct ata_device *dev)

{

	return ata_id_wcache_enabled(dev->id) ||