sata_scr_read(9)
NAME
sata_scr_read - read SCR register of the specified port
SYNOPSIS
int sata_scr_read(struct ata_link * link, int reg, u32 * val);
ARGUMENTS
- link
- ATA link to read SCR for
- reg
- SCR to read
- val
- Place to store read value
DESCRIPTION
Read SCR register reg of link into *val. 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.
RETURNS
0 on success, negative errno on failure.
AUTHOR
- Jeff Garzik
- Author.