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Subject: media: dvb: fix DVB_MMAP dependency
Author: Arnd Bergmann <a...@arndb.de>
Date: Thu Jan 4 05:31:31 2018 -0500
Enabling CONFIG_DVB_MMAP without CONFIG_VIDEOBUF2_VMALLOC results
in a link error:
drivers/media/dvb-core/dvb_vb2.o: In function `_stop_streaming':
dvb_vb2.c:(.text+0x894): undefined reference to `vb2_buffer_done'
drivers/media/dvb-core/dvb_vb2.o: In function `dvb_vb2_init':
dvb_vb2.c:(.text+0xbec): undefined reference to `vb2_vmalloc_memops'
dvb_vb2.c:(.text+0xc4c): undefined reference to `vb2_core_queue_init'
drivers/media/dvb-core/dvb_vb2.o: In function `dvb_vb2_release':
dvb_vb2.c:(.text+0xe14): undefined reference to `vb2_core_queue_release'
drivers/media/dvb-core/dvb_vb2.o: In function `dvb_vb2_stream_on':
dvb_vb2.c:(.text+0xeb8): undefined reference to `vb2_core_streamon'
drivers/media/dvb-core/dvb_vb2.o: In function `dvb_vb2_stream_off':
dvb_vb2.c:(.text+0xfe8): undefined reference to `vb2_core_streamoff'
drivers/media/dvb-core/dvb_vb2.o: In function `dvb_vb2_fill_buffer':
dvb_vb2.c:(.text+0x13ec): undefined reference to `vb2_plane_vaddr'
dvb_vb2.c:(.text+0x149c): undefined reference to `vb2_buffer_done'
This adds a 'select' statement for it, plus a dependency that
ensures that videobuf2 in turn works, as it in turn depends on
VIDEO_V4L2 to link, and that must not be a module if videobuf2
is built-in.
Signed-off-by: Arnd Bergmann <a...@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mche...@s-opensource.com>
drivers/media/Kconfig | 2 ++
1 file changed, 2 insertions(+)
---
diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig
index 145e12bfb819..372c074bb1b9 100644
--- a/drivers/media/Kconfig
+++ b/drivers/media/Kconfig
@@ -147,6 +147,8 @@ config DVB_CORE
config DVB_MMAP
bool "Enable DVB memory-mapped API (EXPERIMENTAL)"
depends on DVB_CORE
+ depends on VIDEO_V4L2=y || VIDEO_V4L2=DVB_CORE
+ select VIDEOBUF2_VMALLOC
default n
help
This option enables DVB experimental memory-mapped API, with
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