[Linux-fbdev-devel] proper behavior with request_mem_region

[Romain D. <do...@ir...>]

Hello,

pm3fb use the 'request_mem_region' to be a good citizen in
the linux driver world. But I have a chicken-and-egg problem
I just found out:

1) if I detect memory *before* request_mem_region, I might
write and read in conflicting memory space. That's what is
done ATM.

2) if I detect memory *after* request_mem_region, I must
request the whole 64 MB of aperture space, just in case...

What is the proper behavior ? Or should I request 64 MB,
detect memory, release 64 MB, request the real size ?

TIA

-- 
DOLBEAU Romain               | l'histoire est entierement vraie, puisque
ENS Cachan / Ker Lann        |     je l'ai imaginee d'un bout a l'autre
do...@ir...             |           -- Boris Vian