netdev - RE: Bug: mv643xxx fails with highmem

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Date:	Fri, 12 Dec 2014 05:34:01 +0000
From:	"fugang.duan@...escale.com" <fugang.duan@...escale.com>
To:	David Miller <davem@...emloft.net>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>
CC:	"Fabio.Estevam@...escale.com" <Fabio.Estevam@...escale.com>,
	"ezequiel.garcia@...e-electrons.com" 
	<ezequiel.garcia@...e-electrons.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: Bug: mv643xxx fails with highmem

From: David Miller <davem@...emloft.net> Sent: Friday, December 12, 2014 4:28 AM
> To: linux@....linux.org.uk
> Cc: Duan Fugang-B38611; Estevam Fabio-R49496; ezequiel.garcia@...e-
> electrons.com; netdev@...r.kernel.org
> Subject: Re: Bug: mv643xxx fails with highmem
> 
> From: Russell King - ARM Linux <linux@....linux.org.uk>
> Date: Thu, 11 Dec 2014 20:25:07 +0000
> 
> > Would other drivers need fixing for this as well?  Eg, fec_main.c does
> > the following, and this driver is used on iMX6 which can also have
> > highmem:
> >
> > static int
> > fec_enet_txq_submit_frag_skb(struct fec_enet_priv_tx_q *txq,
> >                              struct sk_buff *skb,
> >                              struct net_device *ndev) {
> >                 bufaddr = page_address(this_frag->page.p) +
> > this_frag->page_offset; ...
> >                 addr = dma_map_single(&fep->pdev->dev, bufaddr,
> frag_len,
> >                                       DMA_TO_DEVICE);
> 
> Probably, yes.

Hi, all,

I will submit one patch to fix the issue.

Regards,
Andy
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