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path: root/drivers/scsi/libsas/sas_expander.c
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Diffstat (limited to 'drivers/scsi/libsas/sas_expander.c')
-rw-r--r--drivers/scsi/libsas/sas_expander.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 02e796ee027..30b8014bcc7 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -187,10 +187,10 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id,
phy->phy->identify.initiator_port_protocols = phy->attached_iproto;
phy->phy->identify.target_port_protocols = phy->attached_tproto;
phy->phy->identify.phy_identifier = phy_id;
- phy->phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
- phy->phy->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
- phy->phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
- phy->phy->maximum_linkrate = SAS_LINK_RATE_3_0_GBPS;
+ phy->phy->minimum_linkrate_hw = dr->hmin_linkrate;
+ phy->phy->maximum_linkrate_hw = dr->hmax_linkrate;
+ phy->phy->minimum_linkrate = dr->pmin_linkrate;
+ phy->phy->maximum_linkrate = dr->pmax_linkrate;
phy->phy->negotiated_linkrate = phy->linkrate;
if (!rediscover)
@@ -404,7 +404,8 @@ out:
#define PC_RESP_SIZE 8
int sas_smp_phy_control(struct domain_device *dev, int phy_id,
- enum phy_func phy_func)
+ enum phy_func phy_func,
+ struct sas_phy_linkrates *rates)
{
u8 *pc_req;
u8 *pc_resp;
@@ -423,6 +424,10 @@ int sas_smp_phy_control(struct domain_device *dev, int phy_id,
pc_req[1] = SMP_PHY_CONTROL;
pc_req[9] = phy_id;
pc_req[10]= phy_func;
+ if (rates) {
+ pc_req[32] = rates->minimum_linkrate << 4;
+ pc_req[33] = rates->maximum_linkrate << 4;
+ }
res = smp_execute_task(dev, pc_req, PC_REQ_SIZE, pc_resp,PC_RESP_SIZE);
@@ -436,7 +441,7 @@ static void sas_ex_disable_phy(struct domain_device *dev, int phy_id)
struct expander_device *ex = &dev->ex_dev;
struct ex_phy *phy = &ex->ex_phy[phy_id];
- sas_smp_phy_control(dev, phy_id, PHY_FUNC_DISABLE);
+ sas_smp_phy_control(dev, phy_id, PHY_FUNC_DISABLE, NULL);
phy->linkrate = SAS_PHY_DISABLED;
}
@@ -731,7 +736,7 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id)
/* Phy state */
if (ex_phy->linkrate == SAS_SATA_SPINUP_HOLD) {
- if (!sas_smp_phy_control(dev, phy_id, PHY_FUNC_LINK_RESET))
+ if (!sas_smp_phy_control(dev, phy_id, PHY_FUNC_LINK_RESET, NULL))
res = sas_ex_phy_discover(dev, phy_id);
if (res)
return res;
@@ -1706,6 +1711,7 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id)
SAS_ADDR(phy->attached_sas_addr)) {
SAS_DPRINTK("ex %016llx phy 0x%x broadcast flutter\n",
SAS_ADDR(dev->sas_addr), phy_id);
+ sas_ex_phy_discover(dev, phy_id);
} else
res = sas_discover_new(dev, phy_id);
out: