net/spnic:Remove the code of polling mode

Ramaxel inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I4P01N
CVE: NA

Remove the code of polling mode
since the driver only use interrupt mode and not use poll mode.
Signed-off-by: NYanling Song <songyl@ramaxel.com>
Reviewed-by: NYang Gan <yanggan@ramaxel.com>
Acked-by: NXie XiuQi <xiexiuqi@huawei.com>
Acked-by: NXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/net/ethernet/ramaxel/spnic/hw/sphw_cmdq.c

@@ -533,22 +533,10 @@ static int cmdq_ceq_handler_status(struct sphw_cmdq *cmdq,
 {
 	ulong timeo;
 	int err;
-	ulong start = 0;
-	ulong end = timeout;
-
-	if (cmdq->hwdev->poll) {
-		while (start < end) {
-			sphw_cmdq_ceq_handler(cmdq->hwdev, 0);
-			if (saved_cmd_info->done->done != 0)
-				return 0;
-			usleep_range(900, 1000);
-			start++;
-		}
-	} else {
-		timeo = msecs_to_jiffies(timeout);
-		if (wait_for_completion_timeout(saved_cmd_info->done, timeo))
-			return 0;
-	}
+
+	timeo = msecs_to_jiffies(timeout);
+	if (wait_for_completion_timeout(saved_cmd_info->done, timeo))
+		return 0;
 
 	spin_lock_bh(&cmdq->cmdq_lock);
 

drivers/net/ethernet/ramaxel/spnic/hw/sphw_crm.h

@@ -335,8 +335,6 @@ struct sphw_init_para {
 	 * need to trasmit message ppf mbox to bmgw arm host.
 	 */
 	void *ppf_hwdev;
-	/* if use polling mode, set it true */
-	bool poll;
 };
 
 /* B200 config BAR45 4MB, DB & DWQE both 2MB */

drivers/net/ethernet/ramaxel/spnic/hw/sphw_eqs.c

@@ -392,12 +392,7 @@ static void set_eq_cons_idx(struct sphw_eq *eq, u32 arm_state)
 	u32 addr = EQ_CI_SIMPLE_INDIR_REG_ADDR(eq);
 
 	eq_wrap_ci = EQ_CONS_IDX(eq);
-
-	/* if use poll mode only eq0 use int_arm mode */
-	if (eq->q_id != 0 && eq->hwdev->poll)
-		val = EQ_CI_SIMPLE_INDIR_SET(SPHW_EQ_NOT_ARMED, ARMED);
-	else
-		val = EQ_CI_SIMPLE_INDIR_SET(arm_state, ARMED);
+	val = EQ_CI_SIMPLE_INDIR_SET(arm_state, ARMED);
 	if (eq->type == SPHW_AEQ) {
 		val = val |
 			EQ_CI_SIMPLE_INDIR_SET(eq_wrap_ci, CI) |

drivers/net/ethernet/ramaxel/spnic/hw/sphw_hwdev.c

@@ -938,7 +938,6 @@ int sphw_init_hwdev(struct sphw_init_para *para)
 	hwdev->pcidev_hdl = para->pcidev_hdl;
 	hwdev->dev_hdl = para->dev_hdl;
 	hwdev->chip_node = para->chip_node;
-	hwdev->poll = para->poll;
 
 	hwdev->chip_fault_stats = vzalloc(SPHW_CHIP_FAULT_SIZE);
 	if (!hwdev->chip_fault_stats)

drivers/net/ethernet/ramaxel/spnic/hw/sphw_hwdev.h

@@ -42,7 +42,6 @@ struct sphw_hwdev {
 
 	u32 wq_page_size;
 	int chip_present_flag;
-	bool poll;	   /*use polling mode or int mode*/
 
 	struct sphw_hwif *hwif; /* include void __iomem *bar */
 	struct comm_global_attr glb_attr;

drivers/net/ethernet/ramaxel/spnic/hw/sphw_mbox.c

@@ -1062,7 +1062,7 @@ static int send_mbox_msg(struct sphw_mbox *func_to_func, u8 mod, u16 cmd,
 	u8 *msg_seg = NULL;
 	u64 header = 0;
 
-	if (hwdev->poll || hwdev->hwif->attr.num_aeqs >= 2)
+	if (hwdev->hwif->attr.num_aeqs >= 2)
 		rsp_aeq_id = SPHW_MBOX_RSP_MSG_AEQ;
 	else
 		rsp_aeq_id = 0;