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path: root/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
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Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas_v1_hw.c')
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_v1_hw.c36
1 files changed, 13 insertions, 23 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
index 1abbc2e162df..c0ac49d8bc8d 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
@@ -490,25 +490,17 @@ static void config_id_frame_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD0,
__swab32(identify_buffer[0]));
hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD1,
- identify_buffer[2]);
+ __swab32(identify_buffer[1]));
hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD2,
- identify_buffer[1]);
+ __swab32(identify_buffer[2]));
hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD3,
- identify_buffer[4]);
+ __swab32(identify_buffer[3]));
hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD4,
- identify_buffer[3]);
+ __swab32(identify_buffer[4]));
hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD5,
__swab32(identify_buffer[5]));
}
-static void init_id_frame_v1_hw(struct hisi_hba *hisi_hba)
-{
- int i;
-
- for (i = 0; i < hisi_hba->n_phy; i++)
- config_id_frame_v1_hw(hisi_hba, i);
-}
-
static void setup_itct_v1_hw(struct hisi_hba *hisi_hba,
struct hisi_sas_device *sas_dev)
{
@@ -774,8 +766,6 @@ static int hw_init_v1_hw(struct hisi_hba *hisi_hba)
msleep(100);
init_reg_v1_hw(hisi_hba);
- init_id_frame_v1_hw(hisi_hba);
-
return 0;
}
@@ -875,12 +865,13 @@ static int get_wideport_bitmap_v1_hw(struct hisi_hba *hisi_hba, int port_id)
static int get_free_slot_v1_hw(struct hisi_hba *hisi_hba, int *q, int *s)
{
struct device *dev = &hisi_hba->pdev->dev;
+ struct hisi_sas_dq *dq;
u32 r, w;
int queue = hisi_hba->queue;
while (1) {
- w = hisi_sas_read32_relaxed(hisi_hba,
- DLVRY_Q_0_WR_PTR + (queue * 0x14));
+ dq = &hisi_hba->dq[queue];
+ w = dq->wr_point;
r = hisi_sas_read32_relaxed(hisi_hba,
DLVRY_Q_0_RD_PTR + (queue * 0x14));
if (r == (w+1) % HISI_SAS_QUEUE_SLOTS) {
@@ -903,10 +894,11 @@ static void start_delivery_v1_hw(struct hisi_hba *hisi_hba)
{
int dlvry_queue = hisi_hba->slot_prep->dlvry_queue;
int dlvry_queue_slot = hisi_hba->slot_prep->dlvry_queue_slot;
+ struct hisi_sas_dq *dq = &hisi_hba->dq[dlvry_queue];
- hisi_sas_write32(hisi_hba,
- DLVRY_Q_0_WR_PTR + (dlvry_queue * 0x14),
- ++dlvry_queue_slot % HISI_SAS_QUEUE_SLOTS);
+ dq->wr_point = ++dlvry_queue_slot % HISI_SAS_QUEUE_SLOTS;
+ hisi_sas_write32(hisi_hba, DLVRY_Q_0_WR_PTR + (dlvry_queue * 0x14),
+ dq->wr_point);
}
static int prep_prd_sge_v1_hw(struct hisi_hba *hisi_hba,
@@ -1565,14 +1557,11 @@ static irqreturn_t cq_interrupt_v1_hw(int irq, void *p)
struct hisi_sas_complete_v1_hdr *complete_queue =
(struct hisi_sas_complete_v1_hdr *)
hisi_hba->complete_hdr[queue];
- u32 irq_value, rd_point, wr_point;
+ u32 irq_value, rd_point = cq->rd_point, wr_point;
irq_value = hisi_sas_read32(hisi_hba, OQ_INT_SRC);
hisi_sas_write32(hisi_hba, OQ_INT_SRC, 1 << queue);
-
- rd_point = hisi_sas_read32(hisi_hba,
- COMPL_Q_0_RD_PTR + (0x14 * queue));
wr_point = hisi_sas_read32(hisi_hba,
COMPL_Q_0_WR_PTR + (0x14 * queue));
@@ -1600,6 +1589,7 @@ static irqreturn_t cq_interrupt_v1_hw(int irq, void *p)
}
/* update rd_point */
+ cq->rd_point = rd_point;
hisi_sas_write32(hisi_hba, COMPL_Q_0_RD_PTR + (0x14 * queue), rd_point);
return IRQ_HANDLED;