add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/scsi/sgiwd93.c
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@@ -95,7 +95,7 @@
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 	 */
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 	hcp->desc.pbuf = 0;
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 	hcp->desc.cntinfo = HPCDMA_EOX;
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-	dma_cache_sync(hd->dev, hd->cpu,
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+	dma_sync_single_for_device(hd->dev, hd->dma,
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 		       (unsigned long)(hcp + 1) - (unsigned long)hd->cpu,
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 		       DMA_TO_DEVICE);
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 }
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@@ -187,7 +187,7 @@
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 		hcp++;
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 		dma += sizeof(struct hpc_chunk);
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 		start += sizeof(struct hpc_chunk);
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-	};
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+	}
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 	hcp--;
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 	hcp->desc.pnext = hdata->dma;
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 }
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@@ -208,7 +208,7 @@
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 	.this_id		= 7,
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 	.sg_tablesize		= SG_ALL,
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 	.cmd_per_lun		= 8,
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-	.use_clustering		= DISABLE_CLUSTERING,
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+	.dma_boundary		= PAGE_SIZE - 1,
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 };
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 static int sgiwd93_probe(struct platform_device *pdev)
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@@ -234,8 +234,8 @@
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 	hdata = host_to_hostdata(host);
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 	hdata->dev = &pdev->dev;
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-	hdata->cpu = dma_alloc_attrs(&pdev->dev, HPC_DMA_SIZE, &hdata->dma,
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-				     GFP_KERNEL, DMA_ATTR_NON_CONSISTENT);
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+	hdata->cpu = dma_alloc_noncoherent(&pdev->dev, HPC_DMA_SIZE,
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+				&hdata->dma, DMA_TO_DEVICE, GFP_KERNEL);
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 	if (!hdata->cpu) {
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 		printk(KERN_WARNING "sgiwd93: Could not allocate memory for "
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 		       "host %d buffer.\n", unit);
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@@ -274,8 +274,8 @@
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 out_irq:
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 	free_irq(irq, host);
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 out_free:
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-	dma_free_attrs(&pdev->dev, HPC_DMA_SIZE, hdata->cpu, hdata->dma,
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-		       DMA_ATTR_NON_CONSISTENT);
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+	dma_free_noncoherent(&pdev->dev, HPC_DMA_SIZE, hdata->cpu, hdata->dma,
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+			DMA_TO_DEVICE);
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 out_put:
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 	scsi_host_put(host);
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 out:
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@@ -291,8 +291,8 @@
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 	scsi_remove_host(host);
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 	free_irq(pd->irq, host);
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-	dma_free_attrs(&pdev->dev, HPC_DMA_SIZE, hdata->cpu, hdata->dma,
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-		       DMA_ATTR_NON_CONSISTENT);
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+	dma_free_noncoherent(&pdev->dev, HPC_DMA_SIZE, hdata->cpu, hdata->dma,
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+			DMA_TO_DEVICE);
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 	scsi_host_put(host);
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 	return 0;
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 }