isdn: mISDN HFC PCI support depends on virt_to_bus()

On powerpc (allyesconfig build) we get this error:

drivers/isdn/hardware/mISDN/hfcpci.c:1991: error: implicit declaration of function 'virt_to_bus'

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

authored by

Stephen Rothwell and committed by
Linus Torvalds
13ffc32e 5995477a

+1
+1
drivers/isdn/hardware/mISDN/Kconfig
··· 7 7 tristate "Support for HFC PCI cards" 8 8 depends on MISDN 9 9 depends on PCI 10 + depends on VIRT_TO_BUS 10 11 help 11 12 Enable support for cards with Cologne Chip AG's 12 13 HFC PCI chip.