add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/ide/tx4939ide.c
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@@ -156,7 +156,6 @@
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 		u16 sysctl = tx4939ide_readw(base, TX4939IDE_Sys_Ctl);
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 		tx4939ide_writew(sysctl | 0x4000, base, TX4939IDE_Sys_Ctl);
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-		mmiowb();
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 		/* wait 12GBUSCLK (typ. 60ns @ GBUS200MHz, max 270ns) */
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 		ndelay(270);
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 		tx4939ide_writew(sysctl, base, TX4939IDE_Sys_Ctl);
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@@ -364,9 +363,9 @@
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 	case TX4939IDE_INT_HOST | TX4939IDE_INT_XFEREND:
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 		dma_stat = tx4939ide_readb(base, TX4939IDE_DMA_Stat);
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 		if (!(dma_stat & ATA_DMA_INTR))
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-			pr_warning("%s: weird interrupt status. "
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-				   "DMA_Stat %#02x int_ctl %#04x\n",
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-				   hwif->name, dma_stat, ctl);
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+			pr_warn("%s: weird interrupt status. "
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+				"DMA_Stat %#02x int_ctl %#04x\n",
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+				hwif->name, dma_stat, ctl);
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 		found = 1;
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 		break;
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 	}
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@@ -396,7 +395,6 @@
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 	/* Soft Reset */
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 	tx4939ide_writew(0x8000, base, TX4939IDE_Sys_Ctl);
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-	mmiowb();
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 	/* at least 20 GBUSCLK (typ. 100ns @ GBUS200MHz, max 450ns) */
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 	ndelay(450);
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 	tx4939ide_writew(0x0000, base, TX4939IDE_Sys_Ctl);
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@@ -551,7 +549,7 @@
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 		return -ENODEV;
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 	if (!devm_request_mem_region(&pdev->dev, res->start,
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-				     resource_size(res), "tx4938ide"))
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+				     resource_size(res), MODNAME))
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 		return -EBUSY;
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 	mapbase = (unsigned long)devm_ioremap(&pdev->dev, res->start,
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 					      resource_size(res));