Re: Standard driver call to enable/disable PCI ROM

From: Jamie Lokier
Date: Tue Aug 19 2003 - 19:10:22 EST


David S. Miller wrote:
> On Tue, 19 Aug 2003 21:52:46 +0100
> Russell King <rmk@xxxxxxxxxxxxxxxx> wrote:
>
> > new |= res->flags & PCI_ROM_ADDRESS_ENABLE;
> > reg = dev->rom_base_reg;
>
> A word of caution, please do not enable PCI ROMs lightly.
>
> There are many devices which stop responding to MEM and IO
> space once their ROM is enabled, Qlogic-ISP chips are one
> such device and there are several others.

I take it the devices do respond to MEM and IO after the ROM is
disabled again?

-- Jamie

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