84 	struct efa_com_mmio_read *mmio_read = &edev->mmio_read;  in efa_com_reg_read32()  local
90 	read_resp = mmio_read->read_resp;  in efa_com_reg_read32()
92 	spin_lock(&mmio_read->lock);  in efa_com_reg_read32()
93 	mmio_read->seq_num++;  in efa_com_reg_read32()
96 	read_resp->req_id = mmio_read->seq_num + 0x9aL;  in efa_com_reg_read32()
99 	mmio_read_reg |= mmio_read->seq_num &  in efa_com_reg_read32()
104 	exp_time = jiffies + usecs_to_jiffies(mmio_read->mmio_read_timeout);  in efa_com_reg_read32()
106 		if (READ_ONCE(read_resp->req_id) == mmio_read->seq_num)  in efa_com_reg_read32()
111 	if (read_resp->req_id != mmio_read->seq_num) {  in efa_com_reg_read32()
115 			mmio_read->seq_num, offset, read_resp->req_id,  in efa_com_reg_read32()
131 	spin_unlock(&mmio_read->lock);  in efa_com_reg_read32()
898 	struct efa_com_mmio_read *mmio_read = &edev->mmio_read;  in efa_com_mmio_reg_read_resp_addr_init()  local
903 	addr_high = (mmio_read->read_resp_dma_addr >> 32) & GENMASK(31, 0);  in efa_com_mmio_reg_read_resp_addr_init()
904 	addr_low = mmio_read->read_resp_dma_addr & GENMASK(31, 0);  in efa_com_mmio_reg_read_resp_addr_init()
912 	struct efa_com_mmio_read *mmio_read = &edev->mmio_read;  in efa_com_mmio_reg_read_init()  local
914 	spin_lock_init(&mmio_read->lock);  in efa_com_mmio_reg_read_init()
915 	mmio_read->read_resp =  in efa_com_mmio_reg_read_init()
916 		dma_alloc_coherent(edev->dmadev, sizeof(*mmio_read->read_resp),  in efa_com_mmio_reg_read_init()
917 				   &mmio_read->read_resp_dma_addr, GFP_KERNEL);  in efa_com_mmio_reg_read_init()
918 	if (!mmio_read->read_resp)  in efa_com_mmio_reg_read_init()
923 	mmio_read->read_resp->req_id = 0;  in efa_com_mmio_reg_read_init()
924 	mmio_read->seq_num = 0;  in efa_com_mmio_reg_read_init()
925 	mmio_read->mmio_read_timeout = EFA_REG_READ_TIMEOUT_US;  in efa_com_mmio_reg_read_init()
932 	struct efa_com_mmio_read *mmio_read = &edev->mmio_read;  in efa_com_mmio_reg_read_destroy()  local
934 	dma_free_coherent(edev->dmadev, sizeof(*mmio_read->read_resp),  in efa_com_mmio_reg_read_destroy()
935 			  mmio_read->read_resp, mmio_read->read_resp_dma_addr);  in efa_com_mmio_reg_read_destroy()