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-rw-r--r--include/linux/libata.h7
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
587static 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
587static inline unsigned int sata_dev_present(struct ata_port *ap) 594static 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;