From: Arnd Bergmann Date: Wed, 18 Feb 2015 19:48:54 +0000 (+0100) Subject: net/appletalk: LTPC needs virt_to_bus X-Git-Tag: v4.9.8~4698^2~76 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bf60e50cb3ed50ae536f7655c8af1acda137ea5b;p=platform%2Fkernel%2Flinux-rpi3.git net/appletalk: LTPC needs virt_to_bus The ltpc driver is rather outdated and does not get built on most platforms because it requires the ISA_DMA_API symbol. However there are some ARM platforms that have ISA_DMA_API but no virt_to_bus, and they get this build error when enabling the ltpc driver. drivers/net/appletalk/ltpc.c: In function 'handlefc': drivers/net/appletalk/ltpc.c:380:2: error: implicit declaration of function 'virt_to_bus' [-Werror=implicit-function-declaration] set_dma_addr(dma,virt_to_bus(ltdmacbuf)); ^ This adds another dependency in Kconfig to avoid that configuration. Signed-off-by: Arnd Bergmann Signed-off-by: David S. Miller --- diff --git a/drivers/net/appletalk/Kconfig b/drivers/net/appletalk/Kconfig index 4ce6ca5..dc6b78e 100644 --- a/drivers/net/appletalk/Kconfig +++ b/drivers/net/appletalk/Kconfig @@ -40,7 +40,7 @@ config DEV_APPLETALK config LTPC tristate "Apple/Farallon LocalTalk PC support" - depends on DEV_APPLETALK && (ISA || EISA) && ISA_DMA_API + depends on DEV_APPLETALK && (ISA || EISA) && ISA_DMA_API && VIRT_TO_BUS help This allows you to use the AppleTalk PC card to connect to LocalTalk networks. The card is also known as the Farallon PhoneNet PC card.