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| SATA_SCR_WRITE(9) | libata Library | SATA_SCR_WRITE(9) |
NAME¶
sata_scr_write - write SCR register of the specified port
SYNOPSIS¶
int sata_scr_write(struct ata_link * link, int reg, u32 val);
ARGUMENTS¶
struct ata_link * link
ATA link to write SCR for
int reg
SCR to write
u32 val
value to write
DESCRIPTION¶
Write val to SCR register reg of link. This function is guaranteed to succeed if link is ap->link, the cable type of the port is SATA and the port implements ->scr_read.
LOCKING: None if link is ap->link. Kernel thread context otherwise.
RETURN¶
0 on success, negative errno on failure.
AUTHOR¶
Jeff Garzik
Author.
COPYRIGHT¶
| July 2017 | Kernel Hackers Manual 4.12 |