change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/drivers/scsi/esas2r/esas2r_init.c
..
..
@@ -266,6 +266,7 @@
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 	int i;
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 	void *next_uncached;
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 	struct esas2r_request *first_request, *last_request;
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+	bool dma64 = false;
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270
 
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 	if (index >= MAX_ADAPTERS) {
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 		esas2r_log(ESAS2R_LOG_CRIT,
..
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@@ -286,42 +287,20 @@
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 	a->pcid = pcid;
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 	a->host = host;
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-	if (sizeof(dma_addr_t) > 4) {
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-		const uint64_t required_mask = dma_get_required_mask
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-						       (&pcid->dev);
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-		if (required_mask > DMA_BIT_MASK(32)
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-		    && !pci_set_dma_mask(pcid, DMA_BIT_MASK(64))
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-		    && !pci_set_consistent_dma_mask(pcid,
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-						    DMA_BIT_MASK(64))) {
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-			esas2r_log_dev(ESAS2R_LOG_INFO,
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-				       &(a->pcid->dev),
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-				       "64-bit PCI addressing enabled\n");
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-		} else if (!pci_set_dma_mask(pcid, DMA_BIT_MASK(32))
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-			   && !pci_set_consistent_dma_mask(pcid,
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-							   DMA_BIT_MASK(32))) {
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-			esas2r_log_dev(ESAS2R_LOG_INFO,
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-				       &(a->pcid->dev),
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-				       "32-bit PCI addressing enabled\n");
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-		} else {
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-			esas2r_log(ESAS2R_LOG_CRIT,
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-				   "failed to set DMA mask");
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-			esas2r_kill_adapter(index);
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-			return 0;
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-		}
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-	} else {
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-		if (!pci_set_dma_mask(pcid, DMA_BIT_MASK(32))
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-		    && !pci_set_consistent_dma_mask(pcid,
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-						    DMA_BIT_MASK(32))) {
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-			esas2r_log_dev(ESAS2R_LOG_INFO,
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-				       &(a->pcid->dev),
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-				       "32-bit PCI addressing enabled\n");
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-		} else {
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-			esas2r_log(ESAS2R_LOG_CRIT,
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-				   "failed to set DMA mask");
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-			esas2r_kill_adapter(index);
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-			return 0;
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-		}
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+	if (sizeof(dma_addr_t) > 4 &&
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+	    dma_get_required_mask(&pcid->dev) > DMA_BIT_MASK(32) &&
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+	    !dma_set_mask_and_coherent(&pcid->dev, DMA_BIT_MASK(64)))
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+		dma64 = true;
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+
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+	if (!dma64 && dma_set_mask_and_coherent(&pcid->dev, DMA_BIT_MASK(32))) {
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+		esas2r_log(ESAS2R_LOG_CRIT, "failed to set DMA mask");
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+		esas2r_kill_adapter(index);
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+		return 0;
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 	}
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+
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+	esas2r_log_dev(ESAS2R_LOG_INFO, &pcid->dev,
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+		       "%s-bit PCI addressing enabled\n", dma64 ? "64" : "32");
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+
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 	esas2r_adapters[index] = a;
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 	sprintf(a->name, ESAS2R_DRVR_NAME "_%02d", index);
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 	esas2r_debug("new adapter %p, name %s", a, a->name);
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@@ -783,14 +762,10 @@
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 static void esas2r_init_pci_cfg_space(struct esas2r_adapter *a)
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 {
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-	int pcie_cap_reg;
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-
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-	pcie_cap_reg = pci_find_capability(a->pcid, PCI_CAP_ID_EXP);
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-	if (pcie_cap_reg) {
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+	if (pci_is_pcie(a->pcid)) {
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 		u16 devcontrol;
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-		pci_read_config_word(a->pcid, pcie_cap_reg + PCI_EXP_DEVCTL,
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-				     &devcontrol);
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+		pcie_capability_read_word(a->pcid, PCI_EXP_DEVCTL, &devcontrol);
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 		if ((devcontrol & PCI_EXP_DEVCTL_READRQ) >
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 		     PCI_EXP_DEVCTL_READRQ_512B) {
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@@ -799,9 +774,8 @@
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 			devcontrol &= ~PCI_EXP_DEVCTL_READRQ;
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 			devcontrol |= PCI_EXP_DEVCTL_READRQ_512B;
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-			pci_write_config_word(a->pcid,
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-					      pcie_cap_reg + PCI_EXP_DEVCTL,
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-					      devcontrol);
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+			pcie_capability_write_word(a->pcid, PCI_EXP_DEVCTL,
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+						   devcontrol);
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 		}
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 	}
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 }
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@@ -1262,6 +1236,7 @@
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 			a->init_msg = ESAS2R_INIT_MSG_GET_INIT;
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 			break;
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 		}
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+		fallthrough;
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 	case ESAS2R_INIT_MSG_GET_INIT:
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 		if (msg == ESAS2R_INIT_MSG_GET_INIT) {
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@@ -1275,7 +1250,7 @@
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 				esas2r_hdebug("FAILED");
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 			}
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 		}
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-	/* fall through */
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+		fallthrough;
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 	default:
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 		rq->req_stat = RS_SUCCESS;