On 2/15/19 2:40 AM, Srinivas Kandagatla wrote: > Fastrpc is a dma buf exporter as well, so select the corresponding > DMA_SHARED_BUFFER config to fix below compilation errors on platforms > without this config. > > ld: drivers/misc/fastrpc.o: in function 'fastrpc_free_map': > fastrpc.c:(.text+0xbe): undefined reference to 'dma_buf_unmap_attachment' > ld: fastrpc.c:(.text+0xcb): undefined reference to 'dma_buf_detach' > ld: fastrpc.c:(.text+0xd4): undefined reference to 'dma_buf_put' > ld: drivers/misc/fastrpc.o: in function 'fastrpc_map_create': > fastrpc.c:(.text+0xb2b): undefined reference to 'dma_buf_get' > ld: fastrpc.c:(.text+0xb47): undefined reference to 'dma_buf_attach' > ld: fastrpc.c:(.text+0xb61): undefined reference to 'dma_buf_map_attachment' > ld: fastrpc.c:(.text+0xc36): undefined reference to 'dma_buf_put' > ld: fastrpc.c:(.text+0xc48): undefined reference to 'dma_buf_detach' > ld: drivers/misc/fastrpc.o: in function 'fastrpc_device_ioctl': > fastrpc.c:(.text+0x1756): undefined reference to 'dma_buf_get' > ld: fastrpc.c:(.text+0x1776): undefined reference to 'dma_buf_put' > ld: fastrpc.c:(.text+0x1780): undefined reference to 'dma_buf_put' > ld: fastrpc.c:(.text+0x1abf): undefined reference to 'dma_buf_export' > ld: fastrpc.c:(.text+0x1ae7): undefined reference to 'dma_buf_fd' > ld: fastrpc.c:(.text+0x1cb5): undefined reference to 'dma_buf_put' > ld: fastrpc.c:(.text+0x1cca): undefined reference to 'dma_buf_put' > > Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> > Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx> Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> # build-tested Thanks. > --- > drivers/misc/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig > index 7e0726253755..53cd16f795d6 100644 > --- a/drivers/misc/Kconfig > +++ b/drivers/misc/Kconfig > @@ -299,6 +299,7 @@ config QCOM_FASTRPC > tristate "Qualcomm FastRPC" > depends on ARCH_QCOM || COMPILE_TEST > depends on RPMSG > + select DMA_SHARED_BUFFER > help > Provides a communication mechanism that allows for clients to > make remote method invocations across processor boundary to > -- ~Randy
