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Date:   Mon, 17 Feb 2020 12:52:38 -0800
From:   Florian Fainelli <>
To:     Nicolas Saenz Julienne <>,
        Mathias Nyman <>,
        Ray Jui <>,
        Scott Branden <>,
        Greg Kroah-Hartman <>,,,,
Subject: Re: [PATCH] usb: xhci-pci: Raspberry Pi FW loader for VIA VL805

On 2/17/2020 2:07 AM, Nicolas Saenz Julienne wrote:
> On the Raspberry Pi 4, after a PCI reset, VL805's firmware may either be
> loaded directly from an EEPROM or, if not present, by the SoC's
> VideCore.  Inform VideCore that VL805 was just reset, or defer xhci's
> probe if not yet joinable trough the mailbox interface.
> Based on Tim Gover's downstream implementation.
> Signed-off-by: Nicolas Saenz Julienne <>

Would it work if you registered the firmware loading as pci fixup such
that you would not even have to mangle xhci-pci.c at all and all the
logic could be contained within drivers/firmware/raspberrypi.c?

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