diff options
Diffstat (limited to 'drivers/usb/dwc3/host.c')
| -rw-r--r-- | drivers/usb/dwc3/host.c | 67 | 
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c new file mode 100644 index 00000000000..32db328cc76 --- /dev/null +++ b/drivers/usb/dwc3/host.c @@ -0,0 +1,67 @@ +/** + * host.c - DesignWare USB3 DRD Controller Host Glue + * + * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com + * + * Authors: Felipe Balbi <balbi@ti.com>, + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2  of + * the License as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + */ + +#include <linux/platform_device.h> + +#include "core.h" + +int dwc3_host_init(struct dwc3 *dwc) +{ +	struct platform_device	*xhci; +	int			ret; + +	xhci = platform_device_alloc("xhci-hcd", PLATFORM_DEVID_AUTO); +	if (!xhci) { +		dev_err(dwc->dev, "couldn't allocate xHCI device\n"); +		ret = -ENOMEM; +		goto err0; +	} + +	dma_set_coherent_mask(&xhci->dev, dwc->dev->coherent_dma_mask); + +	xhci->dev.parent	= dwc->dev; +	xhci->dev.dma_mask	= dwc->dev->dma_mask; +	xhci->dev.dma_parms	= dwc->dev->dma_parms; + +	dwc->xhci = xhci; + +	ret = platform_device_add_resources(xhci, dwc->xhci_resources, +						DWC3_XHCI_RESOURCES_NUM); +	if (ret) { +		dev_err(dwc->dev, "couldn't add resources to xHCI device\n"); +		goto err1; +	} + +	ret = platform_device_add(xhci); +	if (ret) { +		dev_err(dwc->dev, "failed to register xHCI device\n"); +		goto err1; +	} + +	return 0; + +err1: +	platform_device_put(xhci); + +err0: +	return ret; +} + +void dwc3_host_exit(struct dwc3 *dwc) +{ +	platform_device_unregister(dwc->xhci); +}  | 
