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Date: Thu, 11 Apr 2019 20:46:42 +0800 From: John Garry <john.garry@...wei.com> To: <jejb@...ux.vnet.ibm.com>, <martin.petersen@...cle.com> CC: <linuxarm@...wei.com>, <linux-kernel@...r.kernel.org>, <linux-scsi@...r.kernel.org>, Luo Jiaxing <luojiaxing@...wei.com>, John Garry <john.garry@...wei.com> Subject: [PATCH 7/9] scsi: hisi_sas: Don't hard reset disk during controller reset From: Luo Jiaxing <luojiaxing@...wei.com> In the function of hisi_sas_init_device(), we added ops->hardreset() to clear affiliation of STP target port or handle [STP pending] state. Function hisi_sas_init_device() will be called when a device is found or during controller reset. At controller reset, we call hisi_sas_init_device() to re-init the disks, so calling hardreset() is unnecessary and it also will cause some delay at controller reset. Signed-off-by: Luo Jiaxing <luojiaxing@...wei.com> Signed-off-by: John Garry <john.garry@...wei.com> --- drivers/scsi/hisi_sas/hisi_sas_main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index ede812759991..c02cf78a20c7 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -754,7 +754,8 @@ static int hisi_sas_init_device(struct domain_device *device) * STP target port */ local_phy = sas_get_local_phy(device); - if (!scsi_is_sas_phy_local(local_phy)) { + if (!scsi_is_sas_phy_local(local_phy) && + !test_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)) { unsigned long deadline = ata_deadline(jiffies, 20000); struct sata_device *sata_dev = &device->sata_dev; struct ata_host *ata_host = sata_dev->ata_host; -- 2.17.1
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