linux-kernel - Re: [PATCH v3] usb: dwc2: fix regression on big-endian PowerPC/ARM systems

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Message-ID: <5706100.G8QoS78uJd@wuerfel>
Date:	Fri, 13 May 2016 15:48:14 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	John Youn <John.Youn@...opsys.com>
Cc:	Christian Lamparter <chunkeey@...glemail.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Felipe Balbi <felipe.balbi@...ux.intel.com>,
	"linux-mips@...ux-mips.org" <linux-mips@...ux-mips.org>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"a.seppala@...il.com" <a.seppala@...il.com>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	Felipe Balbi <balbi@...com>,
	Douglas Anderson <dianders@...omium.org>,
	Gregory Herrero <gregory.herrero@...el.com>,
	Mian Yousaf Kaukab <yousaf.kaukab@...el.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH v3] usb: dwc2: fix regression on big-endian PowerPC/ARM systems

On Thursday 12 May 2016 23:32:18 John Youn wrote:
> 
> Hi Arnd,
> 
> The capitalization issue is still there in this patch.
> 
> There's also a few checkpatch issues.

Fixed now, thanks. I'll send a v4 in a bit.

> And should the barrier be moved after the write like it says in the
> comment? That seems to have been removed since earlier versions of
> the patch.

I've clarified the comment, so we refer to the __raw_writel
not the writel. It's also possible that this was just another
bug in the patch that broke powerpc, but I don't know anything
about MIPS barrier semantics, so I prefer not to touch that.

	Arnd