linux-kernel - Re: [PATCH v13 0/5] usb: xhci: Add support for Renesas USB controllers

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Date:   Wed, 13 May 2020 14:52:31 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Mathias Nyman <mathias.nyman@...ux.intel.com>
Cc:     Vinod Koul <vkoul@...nel.org>,
        Mathias Nyman <mathias.nyman@...el.com>,
        linux-arm-msm@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Christian Lamparter <chunkeey@...glemail.com>,
        John Stultz <john.stultz@...aro.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Andreas Böhler <dev@...ehler.at>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v13 0/5] usb: xhci: Add support for Renesas USB
 controllers

On Wed, May 13, 2020 at 03:51:28PM +0300, Mathias Nyman wrote:
> On 13.5.2020 15.40, Greg Kroah-Hartman wrote:
> > On Wed, May 13, 2020 at 03:19:29PM +0300, Mathias Nyman wrote:
> >> On 6.5.2020 9.00, 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 patches from Christian which supported these controllers w/o
> >>> ROM and later my patches for ROM support and debugfs hook for rom erase and
> >>> export of xhci-pci functions.
> >>>
> >>
> >> First four patches look ok to me, but 5/5 that adds rom erase debugfs support
> >> still needs some work.
> >>
> >> If you prefer I can take the first four, maybe we can get them to 5.8, and then
> >> later add that debugs rom erase support.
> >>
> >> Let me know what you prefer
> > 
> > Oops, I just added all of these to my testing tree :)
> > 
> > What's wrong with the debugfs patch?  I can drop it, but it seemed
> > simple enough to me.
> 
> Added "usb_renesas" directory under debugfs root when we have easily accessible
> debugfs/usb/xhci directory to use as parent. 

I've responded to the patch now, sorry I missed that.

> Also not checking if adding directory failed (if debufs not supported)

That's fine and encouraged to do :)

thanks,

greg k-h