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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, 5 Sep 2012 03:29:32 +0100
Matthew Garrett <mjg@xxxxxxxxxx> 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-efi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux