From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
To: Christian Lamparter <chunkeey@googlemail.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Mathias Nyman <mathias.nyman@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH] usb: xhci: handle uPD720201 and uPD720202 w/o ROM
Date: Tue, 21 Jun 2016 05:56:58 +0000 [thread overview]
Message-ID: <SG2PR06MB0919DCEFCE51C32A14E2A8C9D82B0@SG2PR06MB0919.apcprd06.prod.outlook.com> (raw)
In-Reply-To: <6381624.spqYdbfd9T@debian64>
Hello,
> From: Christian Lamparter
> Sent: Tuesday, June 21, 2016 12:32 AM
>
> On Wednesday, June 08, 2016 12:14:57 AM Christian Lamparter wrote:
> > This patch adds a firmware check for the uPD720201K8-711-BAC-A
> > and uPD720202K8-711-BAA-A variant. Both of these chips are listed
> > in Renesas' R19UH0078EJ0500 Rev.5.00 "User's Manual: Hardware" as
> > devices which need a firmware in order to work as they do not have
> > support to load the firmware from an external ROM.
> >
> > Currently, the xhci-pci driver is unable to initialize the hcd in
> > this case. Instead it will wait for 30 seconds and cause a timeout
> > in xhci_handshake() and fails.
> >
> > [ 5.116990] xhci_hcd 0000:45:00.0: new USB bus registered ...
> > [ 32.335215] xhci_hcd 0000:45:00.0: can't setup: -110
> > [ 32.340179] xhci_hcd 0000:45:00.0: USB bus 2 deregistered
> > [ 32.345587] xhci_hcd 0000:45:00.0: init 0000:45:00.0 fail, -110
> > [ 32.351496] xhci_hcd: probe of 0000:45:00.0 failed with error -110
> >
> > Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
> > Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
> Hello?
>
> Are there any news on this? Or is there anything else that I'm missing
> which blocks this patch? If it's because the device won't be working
> either with this patch, then please let me know.
Thank you for the patch with CC me.
However, I'm afraid but I don't know the detail of the Renesas xHCI PCI controller.
(My job is for R-Car environment for now.)
By the way, the issue seems similar with R-Car environment though :)
http://thread.gmane.org/gmane.linux.kernel.stable/175457/focus=140699
and fix patch for it:
http://thread.gmane.org/gmane.linux.kernel.stable/177524
Best regards,
Yoshihiro Shimoda
> either with this patch, then please let me know. If Renesas is willing
> to add the uPD720201/2 firmware (Like they did for their R-Car controllers)
> to linux-firmware, I can write the necessary firmware loader from
> the PDF for this device and put it into xhci-quirks.
>
> Regards,
> Christian
next prev parent reply other threads:[~2016-06-21 6:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-07 22:14 [PATCH] usb: xhci: handle uPD720201 and uPD720202 w/o ROM Christian Lamparter
2016-06-20 15:32 ` Christian Lamparter
2016-06-21 5:56 ` Yoshihiro Shimoda [this message]
2016-06-23 18:45 ` Christian Lamparter
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