netdev - Re: [PATCH 2/4] USB: XHCI: mark no_sg

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Message-ID: <20130801073049.GB5026@kroah.com>
Date:	Thu, 1 Aug 2013 15:30:49 +0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Sarah Sharp <sarah.a.sharp@...ux.intel.com>
Cc:	Ming Lei <ming.lei@...onical.com>,
	"David S. Miller" <davem@...emloft.net>,
	Oliver Neukum <oneukum@...e.de>,
	Freddy Xin <freddy@...x.com.tw>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Ben Hutchings <bhutchings@...arflare.com>,
	Grant Grundler <grundler@...gle.com>, netdev@...r.kernel.org,
	linux-usb@...r.kernel.org
Subject: Re: [PATCH 2/4] USB: XHCI: mark no_sg_limit

On Wed, Jul 31, 2013 at 09:40:26AM -0700, Sarah Sharp wrote:
> On Wed, Jul 31, 2013 at 06:51:47PM +0800, Ming Lei wrote:
> > This patch marks all xHCI controllers as no_sg_limit since
> > xHCI supports building packet from discontinuous buffers.
> > 
> > Cc: Sarah Sharp <sarah.a.sharp@...ux.intel.com>
> > Signed-off-by: Ming Lei <ming.lei@...onical.com>
> 
> Acked-by: Sarah Sharp <sarah.a.sharp@...ux.intel.com>

Is it a requirement that all xhci controllers support sg?  I know we are
starting to see other controllers (the platform code?) so would they
need to support this as well?

thanks,

greg k-h
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