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hisi_sas: add alloc_dev_quirk_v2_hw()

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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>
This commit is contained in:
John Garry 2016-04-15 21:36:38 +08:00 committed by Martin K. Petersen
parent 330fa7f314
commit b2bdaf2bde
1 changed files with 30 additions and 0 deletions
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30
drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
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@ -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,