netdev - Re: [PATCH 1/2] 8139too: Make PIO/MMIO a modparam

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Message-ID: <483EFD8F.2070407@garzik.org>
Date:	Thu, 29 May 2008 15:01:35 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Dave Jones <davej@...hat.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>, netdev@...r.kernel.org
Subject: Re: [PATCH 1/2] 8139too: Make PIO/MMIO a modparam

Dave Jones wrote:
> On Thu, May 29, 2008 at 02:18:45PM -0400, Jeff Garzik wrote:
>  > Dave Jones wrote:
>  > > Make PIO/MMIO a runtime thing via a module parameter.
>  > > This is needed to support devices that only work with PIO
>  > > without penalising devices that work fine with MMIO in
>  > > distro kernels.
>  > > 
>  > > Signed-off-by: Dave Jones <davej@...hat.com>
>  > 
>  > two comments:
>  > 
>  > 1) should use pci_iomap() for both PIO and MMIO
>  > 
>  > 2) modparam should be "use_io" mirroring existing drivers
> 
> Ok, I'll take a stab at those later today (and also your comment
> from the other mail).
> 
> One other thing: I wasn't sure about my changes to rtl8139_get_regs
> and rtl8139_get_regs_len.  Is what I did there safe?
> Obviously actually implementing support for PIO reg dumping would
> be better, but I think that's beyond the scope of what I'm trying
> to do for now.

Yeah, that should be reasonable

	Jeff



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