Man page 9 : sata_scr_write_flush

sata_scr_write_flush - write SCR register of the specified port and flush

int sata_scr_write_flush(struct ata_link *  link , int  reg , u32  val );

link
    ATA link to write SCR for

reg
    SCR to write

val
    value to write

This function is identical to sata_scr_write except that this function performs flush after writing to the register.

None if link is ap->link. Kernel thread context otherwise.

0 on success, negative errno on failure.

Jeff Garzik
    Author.