usb: uhci-platform driver fails after patch changes during merge

[Tony Prisk]

On Thu, 2012-10-04 at 19:38 +1300, Tony Prisk wrote:
> Mike,
> 
> I see someone made changes to the uhci-platform.c driver I submitted
> during v3.7 which results in it not working on mach-vt8500.
> 
> Could you clarify why the changes were made, and what the suggested
> resolution would be to solve the problem that it introduced?
> 
> Lines indicated by ---> below were removed from the patch, which means
> that on arch-vt8500 there is no dma_mask set, and its fails to
> communicate with attached devices.
> 
> Regards
> 
> Tony P
> 
> 
> static int __devinit uhci_hcd_platform_probe(struct platform_device
> *pdev)
> ...
> 	if (usb_disabled())
> 		return -ENODEV;
> --->
> 	/* Right now device-tree probed devices don't get dma_mask set.
> 	 * Since shared usb code relies on it, set it here for now.
> 	 * Once we have dma capability bindings this can go away.
> 	 */
> 	if (!pdev->dev.dma_mask)
> 		pdev->dev.dma_mask = &platform_uhci_dma_mask;
> --->
> 	hcd = usb_create_hcd(&uhci_platform_hc_driver, &pdev->dev,
> 				pdev->name);
> ...
> 
> 
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Greg,

This message was intended for you rather than Mike. Could you clarify
what happened and the expected resolution?

Regards

Tony P