From be168a3b89b43b8bb4ef71066e91439d400e20a6 Mon Sep 17 00:00:00 2001 From: Jeff Skirvin Date: Wed, 4 Jan 2012 01:33:00 -0800 Subject: [SCSI] isci: link speeds default to gen 2 Gen-3 operation is marginal, default to gen-2 for now. Signed-off-by: Jeff Skirvin Signed-off-by: Dan Williams Signed-off-by: James Bottomley --- drivers/scsi/isci/host.c | 5 +++-- drivers/scsi/isci/init.c | 2 +- 2 files changed, 4 insertions(+), 3 deletions(-) (limited to 'drivers/scsi/isci') diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c index 670ecb456d48..7e4d709dc201 100644 --- a/drivers/scsi/isci/host.c +++ b/drivers/scsi/isci/host.c @@ -1676,8 +1676,9 @@ static void sci_controller_set_default_config_parameters(struct isci_host *ihost /* Initialize all of the phy parameter information. */ for (index = 0; index < SCI_MAX_PHYS; index++) { - /* Default to 6G (i.e. Gen 3) for now. */ - ihost->user_parameters.phys[index].max_speed_generation = 3; + /* Default to 3G (i.e. Gen 2). */ + ihost->user_parameters.phys[index].max_speed_generation = + SCIC_SDS_PARM_GEN2_SPEED; /* the frequencies cannot be 0 */ ihost->user_parameters.phys[index].align_insertion_frequency = 0x7f; diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c index 3c4ddad97053..2bcfb40ae9ad 100644 --- a/drivers/scsi/isci/init.c +++ b/drivers/scsi/isci/init.c @@ -114,7 +114,7 @@ u16 stp_inactive_to = 5; module_param(stp_inactive_to, ushort, 0); MODULE_PARM_DESC(stp_inactive_to, "STP inactivity timeout (100us incr)"); -unsigned char phy_gen = 3; +unsigned char phy_gen = SCIC_SDS_PARM_GEN2_SPEED; module_param(phy_gen, byte, 0); MODULE_PARM_DESC(phy_gen, "PHY generation (1: 1.5Gbps 2: 3.0Gbps 3: 6.0Gbps)"); -- cgit v1.2.2