Re: [PATCH v2 6/9] usb: xhci: Add NVIDIA Tegra xHCI host-controller driver

From: Greg Kroah-Hartman
Date: Sat Aug 30 2014 - 17:16:08 EST

On Mon, Aug 18, 2014 at 10:08:22AM -0700, Andrew Bresticker wrote:
> Add support for the on-chip xHCI host controller present on Tegra SoCs.
> The driver is currently very basic: it loads the controller with its
> firmware, starts the controller, and is able to service messages sent
> by the controller's firmware. The hardware supports device mode as
> well as lower-power operating modes, but support for these is not yet
> implemented here.

So you are saying the device doesn't really work? Can it handle USB
transactions properly?

I have a jetson board here, is this the controller for that hardware?
Can I test this series on that platform, or is it for something else?

> +static const struct tegra_xhci_soc_config tegra124_soc_config = {
> + .firmware_file = "nvidia/tegra124/xusb.bin",
> +};
> +MODULE_FIRMWARE("nvidia/tegra124/xusb.bin");

Has this file been submitted to the linux-firmware tree?


greg k-h
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