Re: [PATCH V3 3/4] PCI: Add support for non-BAR ROMs

From: Matthew Garrett
Date: Tue Sep 04 2012 - 22:29:31 EST


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.

--
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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