diff options
Diffstat (limited to 'include/linux/libata.h')
-rw-r--r-- | include/linux/libata.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h index 505160ab472b..1f7e2039a04e 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h | |||
@@ -584,6 +584,13 @@ static inline void scr_write(struct ata_port *ap, unsigned int reg, u32 val) | |||
584 | ap->ops->scr_write(ap, reg, val); | 584 | ap->ops->scr_write(ap, reg, val); |
585 | } | 585 | } |
586 | 586 | ||
587 | static inline void scr_write_flush(struct ata_port *ap, unsigned int reg, | ||
588 | u32 val) | ||
589 | { | ||
590 | ap->ops->scr_write(ap, reg, val); | ||
591 | (void) ap->ops->scr_read(ap, reg); | ||
592 | } | ||
593 | |||
587 | static inline unsigned int sata_dev_present(struct ata_port *ap) | 594 | static inline unsigned int sata_dev_present(struct ata_port *ap) |
588 | { | 595 | { |
589 | return ((scr_read(ap, SCR_STATUS) & 0xf) == 0x3) ? 1 : 0; | 596 | return ((scr_read(ap, SCR_STATUS) & 0xf) == 0x3) ? 1 : 0; |