Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64with MCP51 laptops

From: Alan Cox
Date: Wed Dec 12 2007 - 18:07:35 EST


> Yes, it's now clear that all of this is so. Regrettably, it's used in
> dozens of drivers, most having nothing to do with an ISA/LPC bus.
>
> If it really is specific to the ISA architecture, then it should only be
> used in architecture specific code.

ISA/LPC is not architecture specific. In fact ISA/LPC bus components get
everywhere because the PC market drives the cost per unit for those
components down to nearly nothing.
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