RFC: PCI SD host controller driver & mmc/mmcsd modules improvements

[Alexander Motin]

Thomas Hurst wrote:
>>> This is an integrated SD and MemoryStick reader; sadly it doesn't
>>> actually attach any usable devices.
>> At this moment driver creates mmc bus only on card insert and
>> destroyes on remove. Have you tried to insert something there? Do you
>> have any reaction on card insert?
> 
> Yup, I've tried a 1GB and 2GB SD card and a 1GB and 64MB MS with two
> different adaptors.  No combination of inserting, reloading mmc, or
> sdhci seems to make any usable device nodes.
> 
> I note it doesn't appear to be allocating any IRQ's according to vmstat
> -i.  Is it supposed to?

SD host should provide one IRQ and 256 bytes memory range per each slot.

-- 
Alexander Motin