[PATCH] USB: set device dma_mask without reference to global data

[Peter Chen]

On Wed, May 8, 2013 at 6:53 AM, Stephen Warren <swarren at wwwdotorg.org> wrote:
> From: Stephen Warren <swarren at nvidia.com>
>
> Many USB host drivers contain code such as:
>
> if (!pdev->dev.dma_mask)
>         pdev->dev.dma_mask = &tegra_ehci_dma_mask;
>
> ... where tegra_ehci_dma_mask is a global. I suspect this code originated
> in commit 4a53f4e "USB: ehci-tegra: add probing through device tree" and
> was simply copied everywhere else.
>

One question: why device tree can't do this when create device?