[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20120905134621.73afe48a@pyramind.ukuu.org.uk>
Date: Wed, 5 Sep 2012 13:46:21 +0100
From: Alan Cox <alan@...rguk.ukuu.org.uk>
To: Matthew Garrett <mjg@...hat.com>
Cc: Don Dutile <ddutile@...hat.com>, linux-kernel@...r.kernel.org,
linux-pci@...r.kernel.org, linux-efi@...r.kernel.org,
mfleming@...el.com, dwmw2@...radead.org, bhelgaas@...gle.com
Subject: Re: [PATCH V3 3/4] PCI: Add support for non-BAR ROMs
On Wed, 5 Sep 2012 03:29:32 +0100
Matthew Garrett <mjg@...hat.com> wrote:
> On Tue, Sep 04, 2012 at 10:18:48PM -0400, Don Dutile wrote:
> > > /*
> > >+ * Some devices may provide ROMs via a source other than the BAR
> > >+ */
> > >+ if (pdev->rom&& pdev->romlen) {
> > >+ *size = pdev->romlen;
> > >+ return phys_to_virt((phys_addr_t)pdev->rom);
> > ^^^^^
> > ioremap_nocache() ? ... or is caching rom ok?
>
> If it's appearing through this pathway then it's not actually in ROM,
> the platform has pulled it out of somewhere else.
If that somewhere else is on the PCI bus then it should be a bus not a
virt translation surely ?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists