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scsi: hisi_sas: move PHY init to hisi_sas_scan_start()

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Relocate the PHY init code from LLDD hw init path to
hisi_sas_scan_start().

Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
John Garry 2017-03-23 01:25:19 +08:00 committed by Martin K. Petersen
parent 06ec0fb97c
commit 396b80448f
4 changed files with 6 additions and 11 deletions
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2
drivers/scsi/hisi_sas/hisi_sas.h
View File

@ -167,6 +167,7 @@ struct hisi_sas_hw {
int device_id, int abort_flag, int tag_to_abort);
int (*slot_complete)(struct hisi_hba *hisi_hba,
struct hisi_sas_slot *slot, int abort);
void (*phys_init)(struct hisi_hba *hisi_hba);
void (*phy_enable)(struct hisi_hba *hisi_hba, int phy_no);
void (*phy_disable)(struct hisi_hba *hisi_hba, int phy_no);
void (*phy_hard_reset)(struct hisi_hba *hisi_hba, int phy_no);
@ -195,7 +196,6 @@ struct hisi_hba {
u8 sas_addr[SAS_ADDR_SIZE];
int n_phy;
int scan_finished;
spinlock_t lock;
struct timer_list timer;

9
drivers/scsi/hisi_sas/hisi_sas_main.c
View File

@ -493,12 +493,8 @@ static int hisi_sas_slave_configure(struct scsi_device *sdev)
static void hisi_sas_scan_start(struct Scsi_Host *shost)
{
struct hisi_hba *hisi_hba = shost_priv(shost);
int i;
for (i = 0; i < hisi_hba->n_phy; ++i)
hisi_sas_bytes_dmaed(hisi_hba, i);
hisi_hba->scan_finished = 1;
hisi_hba->hw->phys_init(hisi_hba);
}
static int hisi_sas_scan_finished(struct Scsi_Host *shost, unsigned long time)
@ -506,7 +502,8 @@ static int hisi_sas_scan_finished(struct Scsi_Host *shost, unsigned long time)
struct hisi_hba *hisi_hba = shost_priv(shost);
struct sas_ha_struct *sha = &hisi_hba->sha;
if (hisi_hba->scan_finished == 0)
/* Wait for PHY up interrupt to occur */
if (time < HZ)
return 0;
sas_drain_work(sha);

3
drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
View File

@ -1847,8 +1847,6 @@ static int hisi_sas_v1_init(struct hisi_hba *hisi_hba)
if (rc)
return rc;
phys_init_v1_hw(hisi_hba);
return 0;
}
@ -1862,6 +1860,7 @@ static const struct hisi_sas_hw hisi_sas_v1_hw = {
.get_free_slot = get_free_slot_v1_hw,
.start_delivery = start_delivery_v1_hw,
.slot_complete = slot_complete_v1_hw,
.phys_init = phys_init_v1_hw,
.phy_enable = enable_phy_v1_hw,
.phy_disable = disable_phy_v1_hw,
.phy_hard_reset = phy_hard_reset_v1_hw,

3
drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
View File

@ -2864,8 +2864,6 @@ static int hisi_sas_v2_init(struct hisi_hba *hisi_hba)
if (rc)
return rc;
phys_init_v2_hw(hisi_hba);
return 0;
}
@ -2965,6 +2963,7 @@ static const struct hisi_sas_hw hisi_sas_v2_hw = {
.get_free_slot = get_free_slot_v2_hw,
.start_delivery = start_delivery_v2_hw,
.slot_complete = slot_complete_v2_hw,
.phys_init = phys_init_v2_hw,
.phy_enable = enable_phy_v2_hw,
.phy_disable = disable_phy_v2_hw,
.phy_hard_reset = phy_hard_reset_v2_hw,