Messages in this thread | | | Subject | Re: 2.3 wish: integrate pcmcia into mainstream kernel | Date | Fri, 4 Jun 1999 00:05:26 +0100 (BST) | From | Alan Cox <> |
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> Welcome to my world, Linus. These are MAJOR pains. Actually, for me, > since DMA over PCMCIA is so hopelessly broken as to be irrelevant, I > find that #1 is the biggest pain, followed by #4, followed by #3. On > #3, a 32-bit address space is big enough that if you just close your > eyes and hope for the best, things usually work out ok, sadly enough.
#3 I have to fix anyway. And just guessing won't work for I2O because it could easily be 4Mb, and the GART could be 64Mb or so.
> Support for ISA PnP hardware isn't the issue. What I need is support > for PnP BIOS calls: the calls to retrieve PCI interrupt routing > information and hardware resource tables, specifically.
Where are these documented BTW ?
> And IO ports? I try probing for "free" IO space, because again, the > resources known to the Linux kernel are too incomplete to be depended
Is that down to Linux devices not claiming space, or to the general issue of stuff hiding ?
Alan
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