diff options
| author | John Garry <john.garry@huawei.com> | 2016-04-15 15:36:38 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-04-15 22:53:23 +0200 |
| commit | b2bdaf2bde16537cbdbd5376acecc555f428603f (patch) | |
| tree | dc61537eb83e8dfa73cd49641592ade61d73fb77 /drivers/scsi | |
| parent | hisi_sas: add slot_index_alloc_quirk_v2_hw() (diff) | |
| download | linux-b2bdaf2bde16537cbdbd5376acecc555f428603f.tar.xz linux-b2bdaf2bde16537cbdbd5376acecc555f428603f.zip | |
hisi_sas: add alloc_dev_quirk_v2_hw()
Add custom version of function to allocate device,
alloc_dev_quirk_v2_hw(). For sata devices the device id bit0 should be
0.
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Hannes Reinicke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index f2966d8cde07..bbe98ecea0bc 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -492,6 +492,35 @@ slot_index_alloc_quirk_v2_hw(struct hisi_hba *hisi_hba, int *slot_idx, return 0; } +static struct +hisi_sas_device *alloc_dev_quirk_v2_hw(struct domain_device *device) +{ + struct hisi_hba *hisi_hba = device->port->ha->lldd_ha; + struct hisi_sas_device *sas_dev = NULL; + int i, sata_dev = dev_is_sata(device); + + spin_lock(&hisi_hba->lock); + for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) { + /* + * SATA device id bit0 should be 0 + */ + if (sata_dev && (i & 1)) + continue; + if (hisi_hba->devices[i].dev_type == SAS_PHY_UNUSED) { + hisi_hba->devices[i].device_id = i; + sas_dev = &hisi_hba->devices[i]; + sas_dev->dev_status = HISI_SAS_DEV_NORMAL; + sas_dev->dev_type = device->dev_type; + sas_dev->hisi_hba = hisi_hba; + sas_dev->sas_device = device; + break; + } + } + spin_unlock(&hisi_hba->lock); + + return sas_dev; +} + static void config_phy_opt_mode_v2_hw(struct hisi_hba *hisi_hba, int phy_no) { u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG); @@ -2195,6 +2224,7 @@ static const struct hisi_sas_hw hisi_sas_v2_hw = { .hw_init = hisi_sas_v2_init, .setup_itct = setup_itct_v2_hw, .slot_index_alloc = slot_index_alloc_quirk_v2_hw, + .alloc_dev = alloc_dev_quirk_v2_hw, .sl_notify = sl_notify_v2_hw, .get_wideport_bitmap = get_wideport_bitmap_v2_hw, .free_device = free_device_v2_hw, |