linux-kernel - Re: [PATCH v2 0/5] usb: xhci: Add support for Renesas USB controllers

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Date:   Fri, 21 Jun 2019 21:41:33 +0200
From:   Christian Lamparter <chunkeey@...il.com>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     Mathias Nyman <mathias.nyman@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-arm-msm@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Christian Lamparter <chunkeey@...glemail.com>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/5]  usb: xhci: Add support for Renesas USB controllers

On Friday, June 21, 2019 10:59:08 AM CEST Vinod Koul wrote:
> This series add support for Renesas USB controllers uPD720201 and uPD720202.
> These require firmware to be loaded and in case devices have ROM those can
> also be programmed if empty. If ROM is programmed, it runs from ROM as well.
> 
> This includes two patches from Christian which supported these controllers
> w/o ROM and later my patches for ROM support and multiple firmware versions.
> 
> Changes in v2:
>   used macros for timeout count and delay
>   removed renesas_fw_alive_check
>   cleaned renesas_fw_callback
>   removed recurion for renesas_fw_download
>   added MODULE_FIRMWARE
>   added comment for multiple fw order
> 
> Christian Lamparter (2):
>   usb: xhci: add firmware loader for uPD720201 and uPD720202 w/o ROM
>   usb: xhci: handle uPD720201 and uPD720202 w/o ROM
> 
> Vinod Koul (3):
>   usb: xhci: Use register defined and field names
>   usb: xhci: Add ROM loader for uPD720201
>   usb: xhci: allow multiple firmware versions
> 
>  drivers/usb/host/xhci-pci.c | 942 ++++++++++++++++++++++++++++++++++++
>  1 file changed, 942 insertions(+)
> 

bootlog from a Netgear WNDR4700 with a 32GiB USB3 Stick attached to the 
Renesas uPD720202K8-711-BAA-A chip.

[   13.523094] xhci_hcd 0000:45:00.0: firmware size is not a multiple of 8.
[   13.868071] xhci_hcd 0000:45:00.0: xHCI Host Controller
[   13.873325] xhci_hcd 0000:45:00.0: new USB bus registered, assigned bus number 2
[   13.886296] xhci_hcd 0000:45:00.0: hcc params 0x014051cf hci version 0x100 quirks 0x0000000101000090
[   13.902719] usbcore: registered new interface driver usb-storage
[   13.909277] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[   13.917336] hub 2-0:1.0: USB hub found
[   13.921432] init: - preinit -
[   13.930356] hub 2-0:1.0: 2 ports detected
[   13.942869] xhci_hcd 0000:45:00.0: xHCI Host Controller
[   13.948122] xhci_hcd 0000:45:00.0: new USB bus registered, assigned bus number 3
[   13.955514] xhci_hcd 0000:45:00.0: Host supports USB 3.0  SuperSpeed
[   13.981227] usb usb3: We don't know the algorithms for LPM for this host, disabling LPM.
[   13.997141] hub 3-0:1.0: USB hub found
[   14.004375] hub 3-0:1.0: 2 ports detected
[   14.375644] usb-storage 1-1:1.0: USB Mass Storage device detected
[   14.382247] scsi host1: usb-storage 1-1:1.0
[   14.438959] usb 3-2: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd
[   14.467746] usb-storage 3-2:1.0: USB Mass Storage device detected
[   14.474241] scsi host2: usb-storage 3-2:1.0
[   15.394562] scsi 1:0:0:0: Direct-Access     Generic  STORAGE DEVICE   9454 PQ: 0 ANSI: 0
[   15.405183] sd 1:0:0:0: [sda] Attached SCSI removable disk
[   15.522448] scsi 2:0:0:0: Direct-Access     SanDisk  Ultra            1.00 PQ: 0 ANSI: 6
[   15.531952] sd 2:0:0:0: [sdb] 60063744 512-byte logical blocks: (30.8 GB/28.6 GiB)
[   15.541007] sd 2:0:0:0: [sdb] Write Protect is off
[   15.546808] sd 2:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[   15.574567]  sdb: sdb1
[   15.580581] sd 2:0:0:0: [sdb] Attached SCSI removable disk

This is working.

Tested-by: Christian Lamparter <chunkeey@...il.com>