linux-kernel - Re: [ 29/52] xHCI: add aborting command ring function

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Date:	Mon, 8 Oct 2012 13:48:44 -0700
From:	Sarah Sharp <sarah.a.sharp@...ux.intel.com>
To:	Ben Hutchings <ben@...adent.org.uk>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	alan@...rguk.ukuu.org.uk, Elric Fu <elricfu1@...il.com>,
	Miroslav Sabljic <miroslav.sabljic@....com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [ 29/52] xHCI: add aborting command ring function

On Sun, Oct 07, 2012 at 02:02:08AM +0100, Ben Hutchings wrote:
> On Thu, 2012-10-04 at 14:21 -0700, Greg Kroah-Hartman wrote:
> [...]
> > --- a/drivers/usb/host/xhci.c
> > +++ b/drivers/usb/host/xhci.c
> > @@ -52,7 +52,7 @@ MODULE_PARM_DESC(link_quirk, "Don't clea
> >   * handshake done).  There are two failure modes:  "usec" have passed (major
> >   * hardware flakeout), or the register reads as all-ones (hardware removed).
> >   */
> > -static int handshake(struct xhci_hcd *xhci, void __iomem *ptr,
> > +int handshake(struct xhci_hcd *xhci, void __iomem *ptr,
> >  		      u32 mask, u32 done, int usec)
> >  {
> >  	u32	result;
> [...]
> 
> I don't think it matters for stable, but since this function is now
> extern it should have an 'xhci_' prefix.

Is it a non-issue?  I know several other drivers have a handshake
function, including the EHCI driver.  If both xHCI and EHCI is built-in,
will the EHCI driver compile?  I'll have to double check this...

Thanks for catching this!

Sarah Sharp
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