[PATCH][MTD] mtdpart.c: allow other drivers to get physical address of partition

[Carsten Otte]

David Woodhouse wrote:
> Alternatively, just wait for the chip to become available. Or increment
> a count of 'waiters' and only interrupt the erase when there are a
> certain number of people waiting.
Sounds reasonable to me. Maybe we should even think about the block 
device plug approach: set up a timer when the first reader shows up, 
and suspend when either a certain amount of readers shows up or the 
timer has run down.