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2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/usb/host/ehci-pmcmsp.c
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@@ -107,7 +107,7 @@
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 	if (!request_mem_region(res->start, res_len, "mab regs"))
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 		return -EBUSY;
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-	dev->mab_regs = ioremap_nocache(res->start, res_len);
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+	dev->mab_regs = ioremap(res->start, res_len);
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 	if (dev->mab_regs == NULL) {
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 		retval = -ENOMEM;
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 		goto err1;
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@@ -124,7 +124,7 @@
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 		retval = -EBUSY;
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 		goto err2;
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 	}
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-	dev->usbid_regs = ioremap_nocache(res->start, res_len);
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+	dev->usbid_regs = ioremap(res->start, res_len);
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 	if (dev->usbid_regs == NULL) {
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 		retval = -ENOMEM;
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 		goto err3;
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@@ -178,7 +178,7 @@
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 		retval = -EBUSY;
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 		goto err1;
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 	}
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-	hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len);
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+	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
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 	if (!hcd->regs) {
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 		pr_debug("ioremap failed");
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 		retval = -ENOMEM;
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@@ -250,7 +250,7 @@
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 	 * generic hardware linkage
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 	 */
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 	.irq =			ehci_irq,
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-	.flags =		HCD_MEMORY | HCD_USB2 | HCD_BH,
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+	.flags =		HCD_MEMORY | HCD_DMA | HCD_USB2 | HCD_BH,
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 	/*
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 	 * basic lifecycle operations