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authorMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-04-21 06:12:35 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-04-21 06:12:35 -0300
commit676ee36be04985062522804c2de04f0764212be6 (patch)
tree781df135c5a91a04decad1b7d53b5a925dc11522 /include/linux/kconfig.h
parentb18042a673e88c9457a6d1716219c2367ca447b0 (diff)
parente183201b9e917daf2530b637b2f34f1d5afb934d (diff)
downloadop-kernel-dev-676ee36be04985062522804c2de04f0764212be6.zip
op-kernel-dev-676ee36be04985062522804c2de04f0764212be6.tar.gz
Merge branch 'patchwork' into v4l_for_linus
* patchwork: (404 commits) [media] uvcvideo: add support for VIDIOC_QUERY_EXT_CTRL [media] uvcvideo: fix cropcap v4l2-compliance failure [media] media: omap3isp: remove unused clkdev [media] coda: Add tracing support [media] coda: drop dma_sync_single_for_device in coda_bitstream_queue [media] coda: fix fill bitstream errors in nonstreaming case [media] coda: call SEQ_END when the first queue is stopped [media] coda: fail to start streaming if userspace set invalid formats [media] coda: remove duplicate error messages for buffer allocations [media] coda: move parameter buffer in together with context buffer allocation [media] coda: allocate bitstream buffer from REQBUFS, size depends on the format [media] coda: allocate per-context buffers from REQBUFS [media] coda: use strlcpy instead of snprintf [media] coda: bitstream payload is unsigned [media] coda: fix double call to debugfs_remove [media] coda: check kasprintf return value in coda_open [media] coda: bitrate can only be set in kbps steps [media] v4l2-mem2mem: no need to initialize b in v4l2_m2m_next_buf and v4l2_m2m_buf_remove [media] s5p-mfc: set allow_zero_bytesused flag for vb2_queue_init [media] coda: set allow_zero_bytesused flag for vb2_queue_init ...
Diffstat (limited to 'include/linux/kconfig.h')
-rw-r--r--include/linux/kconfig.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/kconfig.h b/include/linux/kconfig.h
index be342b9..16cfb34 100644
--- a/include/linux/kconfig.h
+++ b/include/linux/kconfig.h
@@ -43,4 +43,13 @@
*/
#define IS_MODULE(option) config_enabled(option##_MODULE)
+/*
+ * IS_REACHABLE(CONFIG_FOO) evaluates to 1 if the currently compiled
+ * code can call a function defined in code compiled based on CONFIG_FOO.
+ * This is similar to IS_ENABLED(), but returns false when invoked from
+ * built-in code when CONFIG_FOO is set to 'm'.
+ */
+#define IS_REACHABLE(option) (config_enabled(option) || \
+ (config_enabled(option##_MODULE) && config_enabled(MODULE)))
+
#endif /* __LINUX_KCONFIG_H */
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