Hi, Reading the Intel VSC and AHCI it seems like writing 0x302 is incorrect. The only valid values are 4, 1 and 0. Writing 4 disables the PHY. Signed-off-by: Martin Hicks <mort@xxxxxxxx> --- drivers/scsi/libata-core.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) 99377743755ef015100ab52fd79ee950a783141b diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 6c66877..577fbcc 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -2705,7 +2705,7 @@ int sata_std_hardreset(struct ata_port * if ((rc = sata_scr_read(ap, SCR_CONTROL, &scontrol))) return rc; - scontrol = (scontrol & 0x0f0) | 0x302; + scontrol = (scontrol & 0x0f0) | 0x304; if ((rc = sata_scr_write(ap, SCR_CONTROL, scontrol))) return rc; -- 1.3.2 - : send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html