Re: [RFC 2/8] mailbox: Add NVIDIA Tegra XUSB mailbox driver

From: Jassi Brar
Date: Sun Nov 08 2015 - 23:00:05 EST

On Mon, Nov 2, 2015 at 5:25 PM, Martyn Welch
<martyn.welch@xxxxxxxxxxxxxxx> wrote:
> From: Andrew Bresticker <abrestic@xxxxxxxxxxxx>
> The Tegra xHCI controller's firmware communicates requests to the host
> processor through a mailbox interface. While there is only a single
> physical channel, messages sent by the controller can be divided
> into two groups: those intended for the PHY driver and those intended
> for the host-controller driver. The requesting driver is assigned
> one of two virtual channels when the single physical channel is
> requested. All incoming messages are sent to both virtual channels.
IIRC Andrew wanted to redo the driver and in fact asked me to not pick it.
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