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scsi: hisi_sas: Set .phy_attached before notifing phyup event HISI_PHYE_PHY_UP_PM 

[ Upstream commit ce26497c745d0541aec930d5211b431a1c26af97 ]

Currently in directly attached scenario, the phyup event
HISI_PHYE_PHY_UP_PM is notified before .phy_attached is set - this may
cause the phyup work hisi_sas_bytes_dmaed() execution failed and the
attached device will not be found.

To fix it, set .phy_attached before notifing phyup event.

Signed-off-by: Yihang Li <liyihang9@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Link: https://lore.kernel.org/r/1702525516-51258-2-git-send-email-chenxiang66@hisilicon.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yihang Li 2023-12-14 11:45:12 +08:00 committed by Greg Kroah-Hartman
parent dc15b313f3
commit d4560c11c3
1 changed files with 5 additions and 5 deletions
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10
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
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@ -1565,6 +1565,11 @@ static irqreturn_t phy_up_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
} }
phy->port_id = port_id; phy->port_id = port_id;
spin_lock(&phy->lock);
/* Delete timer and set phy_attached atomically */
del_timer(&phy->timer);
phy->phy_attached = 1;
spin_unlock(&phy->lock);
/* /*
* Call pm_runtime_get_noresume() which pairs with * Call pm_runtime_get_noresume() which pairs with
@ -1578,11 +1583,6 @@ static irqreturn_t phy_up_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
res = IRQ_HANDLED; res = IRQ_HANDLED;
spin_lock(&phy->lock);
/* Delete timer and set phy_attached atomically */
del_timer(&phy->timer);
phy->phy_attached = 1;
spin_unlock(&phy->lock);
end: end:
if (phy->reset_completion) if (phy->reset_completion)
complete(phy->reset_completion); complete(phy->reset_completion);