Re: ISA "struct device"

[Takashi Iwai <tiwai@suse.de>]

At Mon, 13 Mar 2006 14:32:46 -0500,
Simon White wrote:
> 
> Hi,
> 
> I am supporting various hardsid/catweasel cards that provide _probe
> calls.  These _probe calls are called with struct pci_device and
> friends that contain various information about bus, slot, id,
> resources, etc.
> 
> I see that isa pnp does something similar and all this information is
> appears via /sys presumably for utitilies to pick up and do nice
> things with.
> 
> Am wondering what happens with non pnp isa (unfortunately nolonger
> have an ISA machine to experiment with).  Currently in the driver I
> just use request_region with a few known addresses, with a challange
> respone mechanism to see if it is the right thing.  How does one go
> about getting that into a nice, sensibly filled out "struct device"
> object and register it with /sys, for it to do the right thing.
> Are there any existing examples to follow?

platform_device is the easiest solution for non-PnP ISA drivers.

You can find many drivers when you grep with platform_device
(including 2.6.16-rc* ALSA ISA drivers :)


Takashi