linux-kernel - Re: [PATCH v2] usb: introduce usb_ep_type

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Date:   Wed, 20 Mar 2019 15:49:42 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Felipe Balbi <balbi@...nel.org>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>,
        Matthias Brugger <matthias.bgg@...il.com>,
        "Yoshihiro Shimoda" <yoshihiro.shimoda.uh@...esas.com>,
        Arnd Bergmann <arnd@...db.de>, Roger Quadros <rogerq@...com>,
        Alan Stern <stern@...land.harvard.edu>,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        "Dmitry Torokhov" <dtor@...omium.org>,
        Johan Hovold <johan@...nel.org>,
        "Benjamin Herrenschmidt" <benh@...nel.crashing.org>,
        Colin Ian King <colin.king@...onical.com>,
        Matteo Croce <mcroce@...hat.com>, <linux-usb@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-aspeed@...ts.ozlabs.org>,
        <linux-mediatek@...ts.infradead.org>
Subject: Re: [PATCH v2] usb: introduce usb_ep_type_string() function

Hi Felipe,

On Wed, 2019-03-20 at 08:55 +0200, Felipe Balbi wrote:
> Chunfeng Yun <chunfeng.yun@...iatek.com> writes:
> 
> > Hi Greg,
> >
> > On Tue, 2019-03-19 at 10:23 +0100, Greg Kroah-Hartman wrote:
> >> On Tue, Mar 19, 2019 at 03:54:19PM +0800, Chunfeng Yun wrote:
> >> > 
> >> > Hi Felipe & Mathias,
> >> > 
> >> > Could you please comment this patch, if there is some-effect on dwc3 and
> >> > xhci, I'll remove its change.
> > typo: some-effect/side-effect
> 
> well, we don't really know if there are tools parsing the output. The
> side-effect _does_ exist (i.e. you change the string :-), what we don't
> know is if this will cause problems to possibly existing tools.
> 
> Personally, I don't mind the patch, but if it breaks existing parsers,
> that would be a little annoying.
Thank you for the feedback.

I'll abandon the changes about dwc3 & xhci
>