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When COMEDI_NI_LABPC is built-in and COMEDI_NI_LABPC_ISA is a loadable module, thhe ISA DMA code is not reachable by the common module, causing a link error: drivers/staging/built-in.o: In function `labpc_interrupt': ni_labpc_common.c:(.text+0x1d178): undefined reference to `labpc_handle_dma_status' ni_labpc_common.c:(.text+0x1d1cb): undefined reference to `labpc_drain_dma' drivers/staging/built-in.o: In function `labpc_ai_cmd': ni_labpc_common.c:(.text+0x1d8ad): undefined reference to `labpc_setup_dma' This changes the definition of COMEDI_NI_LABPC_ISADMA so that it will also be builtin for that case. This looks like a rather old bug, but I have never seen this in randconfig testing until today. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.