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From: Gerd Hoffmann <kraxel@redhat.com>
To: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
Cc: "Edgar E . Iglesias" <edgar.iglesias@xilinx.com>,
	"Peter Maydell" <peter.maydell@linaro.org>,
	"Eduardo Habkost" <ehabkost@redhat.com>,
	"Vikram Garhwal" <fnuv@xilinx.com>,
	"Markus Armbruster" <armbru@redhat.com>,
	qemu-devel@nongnu.org,
	"Francisco Iglesias" <francisco.iglesias@xilinx.com>,
	"Alistair Francis" <alistair.francis@wdc.com>,
	"'Marc-André Lureau'" <marcandre.lureau@redhat.com>,
	"Ying Fang" <fangying1@huawei.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Paul Zimmerman" <pauldzim@gmail.com>,
	"'Philippe Mathieu-Daudé'" <philmd@redhat.com>
Subject: Re: [PATCH v4 5/7] misc: Add versal-usb2-regs module
Date: Mon, 31 Aug 2020 09:02:34 +0200	[thread overview]
Message-ID: <20200831070234.bke5kwujclbxcggy@sirius.home.kraxel.org> (raw)
In-Reply-To: <1598642380-27817-6-git-send-email-sai.pavan.boddu@xilinx.com>

On Sat, Aug 29, 2020 at 12:49:38AM +0530, Sai Pavan Boddu wrote:
> This is a dummy module to emulate control registers of versal usb2
> controller.

--verbose please.  xhci supports all usb speeds, including usb2.

So why this hardware is here, what does it on a real device and what is
the emulation doing?  "dummy" sounds like it does just enough to make
the guest driver happy, probably pretending nothing is connected?

thanks,
  Gerd



  reply	other threads:[~2020-08-31  7:03 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-28 19:19 [PATCH v4 0/7] Make hcd-xhci independent of pci hooks Sai Pavan Boddu
2020-08-28 19:19 ` [PATCH v4 1/7] usb/hcd-xhci: Make dma read/writes hooks pci free Sai Pavan Boddu
2020-09-01 16:34   ` Philippe Mathieu-Daudé
2020-09-08  9:58     ` Sai Pavan Boddu
2020-09-08 10:30       ` Philippe Mathieu-Daudé
2020-09-08 10:34         ` Philippe Mathieu-Daudé
2020-09-08 11:35           ` Sai Pavan Boddu
2020-09-08 12:26             ` Philippe Mathieu-Daudé
2020-09-09 10:50               ` Sai Pavan Boddu
2020-09-10 23:42           ` David Gibson
2020-09-10 23:41         ` David Gibson
2020-08-28 19:19 ` [PATCH v4 2/7] usb/hcd-xhci: Move qemu-xhci device to hcd-xhci-pci.c Sai Pavan Boddu
2020-09-01 16:38   ` Philippe Mathieu-Daudé
2020-09-02 18:26     ` Sai Pavan Boddu
2020-08-28 19:19 ` [PATCH v4 3/7] usb/hcd-xhci: Split pci wrapper for xhci base model Sai Pavan Boddu
2020-08-28 19:19 ` [PATCH v4 4/7] usb: hcd-xhci-sysbus: Attach xhci to sysbus device Sai Pavan Boddu
2020-09-01 16:42   ` Philippe Mathieu-Daudé
2020-08-28 19:19 ` [PATCH v4 5/7] misc: Add versal-usb2-regs module Sai Pavan Boddu
2020-08-31  7:02   ` Gerd Hoffmann [this message]
2020-09-01  7:36     ` Sai Pavan Boddu
2020-08-28 19:19 ` [PATCH v4 6/7] usb: Add DWC3 model Sai Pavan Boddu
2020-08-31  7:05   ` Gerd Hoffmann
2020-09-01 10:58     ` Sai Pavan Boddu
2020-08-28 19:19 ` [PATCH v4 7/7] Versal: Connect DWC3 controller with virt-versal Sai Pavan Boddu
2020-08-31  7:12   ` Gerd Hoffmann
2020-09-01 10:59     ` Sai Pavan Boddu
2020-09-02  7:49       ` Gerd Hoffmann
2020-08-31 11:58 ` [PATCH v4 0/7] Make hcd-xhci independent of pci hooks Gerd Hoffmann
2020-09-01 11:00   ` Sai Pavan Boddu

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