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Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas_main.c')
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_main.c43
1 files changed, 32 insertions, 11 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 0835ba7c0ac2..5b091388c095 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -1146,9 +1146,17 @@ static int hisi_sas_phy_set_linkrate(struct hisi_hba *hisi_hba, int phy_no,
static int hisi_sas_control_phy(struct asd_sas_phy *sas_phy, enum phy_func func,
void *funcdata)
{
+ struct hisi_sas_phy *phy = container_of(sas_phy,
+ struct hisi_sas_phy, sas_phy);
struct sas_ha_struct *sas_ha = sas_phy->ha;
struct hisi_hba *hisi_hba = sas_ha->lldd_ha;
+ struct device *dev = hisi_hba->dev;
+ DECLARE_COMPLETION_ONSTACK(completion);
int phy_no = sas_phy->id;
+ u8 sts = phy->phy_attached;
+ int ret = 0;
+
+ phy->reset_completion = &completion;
switch (func) {
case PHY_FUNC_HARD_RESET:
@@ -1163,21 +1171,35 @@ static int hisi_sas_control_phy(struct asd_sas_phy *sas_phy, enum phy_func func,
case PHY_FUNC_DISABLE:
hisi_sas_phy_enable(hisi_hba, phy_no, 0);
- break;
+ goto out;
case PHY_FUNC_SET_LINK_RATE:
- return hisi_sas_phy_set_linkrate(hisi_hba, phy_no, funcdata);
+ ret = hisi_sas_phy_set_linkrate(hisi_hba, phy_no, funcdata);
+ break;
+
case PHY_FUNC_GET_EVENTS:
if (hisi_hba->hw->get_events) {
hisi_hba->hw->get_events(hisi_hba, phy_no);
- break;
+ goto out;
}
fallthrough;
case PHY_FUNC_RELEASE_SPINUP_HOLD:
default:
- return -EOPNOTSUPP;
+ ret = -EOPNOTSUPP;
+ goto out;
}
- return 0;
+
+ if (sts && !wait_for_completion_timeout(&completion, 2 * HZ)) {
+ dev_warn(dev, "phy%d wait phyup timed out for func %d\n",
+ phy_no, func);
+ if (phy->in_reset)
+ ret = -ETIMEDOUT;
+ }
+
+out:
+ phy->reset_completion = NULL;
+
+ return ret;
}
static void hisi_sas_task_done(struct sas_task *task)
@@ -1783,7 +1805,6 @@ static int hisi_sas_debug_I_T_nexus_reset(struct domain_device *device)
struct hisi_sas_device *sas_dev = device->lldd_dev;
struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
struct sas_ha_struct *sas_ha = &hisi_hba->sha;
- DECLARE_COMPLETION_ONSTACK(phyreset);
int rc, reset_type;
if (!local_phy->enabled) {
@@ -1796,8 +1817,11 @@ static int hisi_sas_debug_I_T_nexus_reset(struct domain_device *device)
sas_ha->sas_phy[local_phy->number];
struct hisi_sas_phy *phy =
container_of(sas_phy, struct hisi_sas_phy, sas_phy);
+ unsigned long flags;
+
+ spin_lock_irqsave(&phy->lock, flags);
phy->in_reset = 1;
- phy->reset_completion = &phyreset;
+ spin_unlock_irqrestore(&phy->lock, flags);
}
reset_type = (sas_dev->dev_status == HISI_SAS_DEV_INIT ||
@@ -1811,17 +1835,14 @@ static int hisi_sas_debug_I_T_nexus_reset(struct domain_device *device)
sas_ha->sas_phy[local_phy->number];
struct hisi_sas_phy *phy =
container_of(sas_phy, struct hisi_sas_phy, sas_phy);
- int ret = wait_for_completion_timeout(&phyreset,
- I_T_NEXUS_RESET_PHYUP_TIMEOUT);
unsigned long flags;
spin_lock_irqsave(&phy->lock, flags);
- phy->reset_completion = NULL;
phy->in_reset = 0;
spin_unlock_irqrestore(&phy->lock, flags);
/* report PHY down if timed out */
- if (!ret)
+ if (rc == -ETIMEDOUT)
hisi_sas_phy_down(hisi_hba, sas_phy->id, 0, GFP_KERNEL);
} else if (sas_dev->dev_status != HISI_SAS_DEV_INIT) {
/*