Re: [PATCH v3 0/5] Add support for Fujitsu USB host controller

Felipe Balbi
2015-01-29T16:24:28Z

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On Tue, Jan 27, 2015 at 09:22:50AM -0600, Felipe Balbi wrote:
> Hi,
>
> On Sun, Jan 25, 2015 at 04:13:23PM +0800, Sneeker Yeh wrote:
> > These patches add support for XHCI compliant Host controller found
> > on Fujitsu Socs, and are based on http://lwn.net/Articles/629162/
> > The first patch is to add Fujitsu glue layer of Synopsis DesignWare USB3 driver
> > and last four patch is about quirk implementation of errata in Synopsis
> > DesignWare USB3 IP.
> >
> > Patch 1 introduces a quirk with device disconnection management necessary
> > Synopsys Designware USB3 IP with versions < 3.00a and hardware configuration
> > DWC_USB3_SUSPEND_ON_DISCONNECT_EN=1. It solves a problem where without the
> > quirk, that host controller will die after a usb device is disconnected from
> > port of root hub.
> >
> > Patch 2 is to set Synopsis quirk in xhci platform driver based on xhci platform
> > data.
> >
> > Patch 3 is to add a revison number 2.90a and 3.00a of Synopsis DesignWare USB3
> > IP core driver.
> >
> > Patch 4 introduces using a quirk based on a errata of Synopsis
> > DesignWare USB3 IP which is versions < 3.00a and has hardware configuration
> > DWC_USB3_SUSPEND_ON_DISCONNECT_EN=1, which cannot be read from software. As a
> > result this quirk has to be enabled via platform data or device tree.
> >
> > Patch 5 introduces Fujitsu Specific Glue layer in Synopsis DesignWare USB3 IP
> > driver.
> >
>
> Mathias, let me know how you want to handle this. Either I take them
> all, or you take them all. What do you prefer ?

Mathias ?

--
balbi

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