int format, different type arg (arg 4)

Don't assume that dma_addr_t is 32-bit.

(dvb has quite a few such warnings.  Please compile it with a 64-bit compiler,
fix them up - some are oopsable).

Cc: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>