modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/staging/comedi/drivers/s626.c
..
..
@@ -108,7 +108,6 @@
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 {
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 	unsigned int val = (cmd << 16) | cmd;
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-	mmiowb();
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 	writel(val, dev->mmio + reg);
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 }
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113
 
..
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@@ -116,7 +115,6 @@
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 			    unsigned int cmd, unsigned int reg)
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 {
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 	writel(cmd << 16, dev->mmio + reg);
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-	mmiowb();
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 }
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 static bool s626_mc_test(struct comedi_device *dev,
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@@ -1894,8 +1892,7 @@
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 		if (cmd->scan_begin_src == TRIG_TIMER) {
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 			arg = cmd->convert_arg * cmd->scan_end_arg;
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 			err |= comedi_check_trigger_arg_min(
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-				&cmd->scan_begin_arg,
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-				arg);
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+					&cmd->scan_begin_arg, arg);
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 		}
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 	}
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..
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@@ -2133,13 +2130,15 @@
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 	void *addr;
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 	dma_addr_t appdma;
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-	addr = pci_alloc_consistent(pcidev, S626_DMABUF_SIZE, &appdma);
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+	addr = dma_alloc_coherent(&pcidev->dev, S626_DMABUF_SIZE, &appdma,
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+				  GFP_KERNEL);
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 	if (!addr)
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 		return -ENOMEM;
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 	devpriv->ana_buf.logical_base = addr;
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 	devpriv->ana_buf.physical_base = appdma;
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-	addr = pci_alloc_consistent(pcidev, S626_DMABUF_SIZE, &appdma);
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+	addr = dma_alloc_coherent(&pcidev->dev, S626_DMABUF_SIZE, &appdma,
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+				  GFP_KERNEL);
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 	if (!addr)
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 		return -ENOMEM;
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 	devpriv->rps_buf.logical_base = addr;
..
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@@ -2157,13 +2156,13 @@
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 		return;
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 	if (devpriv->rps_buf.logical_base)
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-		pci_free_consistent(pcidev, S626_DMABUF_SIZE,
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-				    devpriv->rps_buf.logical_base,
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-				    devpriv->rps_buf.physical_base);
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+		dma_free_coherent(&pcidev->dev, S626_DMABUF_SIZE,
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+				  devpriv->rps_buf.logical_base,
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+				  devpriv->rps_buf.physical_base);
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 	if (devpriv->ana_buf.logical_base)
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-		pci_free_consistent(pcidev, S626_DMABUF_SIZE,
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-				    devpriv->ana_buf.logical_base,
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-				    devpriv->ana_buf.physical_base);
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+		dma_free_coherent(&pcidev->dev, S626_DMABUF_SIZE,
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+				  devpriv->ana_buf.logical_base,
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+				  devpriv->ana_buf.physical_base);
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 }
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2167
 
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 static int s626_initialize(struct comedi_device *dev)