From 0185f850176201260e0f02c5bccca1defb8e0884 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Mon, 25 Apr 2016 10:17:21 -0300
Subject: [PATCH] [media] samples: v4l: from Documentation to samples directory
With the new autoksyms support, we can run into a situation where
the v4l pci skeleton module is the only one using some exported
symbols that get dropped because they are never referenced by
the kernel otherwise, causing a build problem:
ERROR: "vb2_dma_contig_memops" [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
ERROR: "vb2_dma_contig_init_ctx_attrs" [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
ERROR: "v4l2_match_dv_timings" [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
ERROR: "v4l2_find_dv_timings_cap" [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
ERROR: "v4l2_valid_dv_timings" [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
ERROR: "v4l2_enum_dv_timings_cap" [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
ERROR: "vb2_dma_contig_cleanup_ctx" [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
Specifically, we do look in the samples directory for users of
symbols, but not the Documentation directory.
This solves the build problem by moving the connector sample into
the same directory as the other samples.
Fixes: 23121ca2b56b ("kbuild: create/adjust generated/autoksyms.h")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
Documentation/Makefile | 3 +--
Documentation/video4linux/v4l2-framework.txt | 2 +-
samples/Makefile | 2 +-
{Documentation/video4linux => samples/v4l}/Makefile | 0
{Documentation/video4linux => samples/v4l}/v4l2-pci-skeleton.c | 0
5 files changed, 3 insertions(+), 4 deletions(-)
rename {Documentation/video4linux => samples/v4l}/Makefile (100%)
rename {Documentation/video4linux => samples/v4l}/v4l2-pci-skeleton.c (100%)
diff --git a/Documentation/Makefile b/Documentation/Makefile
index 1207d79076500..f3b04d22957c9 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -1,4 +1,3 @@
subdir-y := accounting auxdisplay blackfin connector \
filesystems filesystems ia64 laptops mic misc-devices \
- networking pcmcia prctl ptp timers vDSO video4linux \
- watchdog
+ networking pcmcia prctl ptp timers vDSO watchdog
diff --git a/Documentation/video4linux/v4l2-framework.txt b/Documentation/video4linux/v4l2-framework.txt
index fa41608ab2b4f..cbefc7902f5f0 100644
--- a/Documentation/video4linux/v4l2-framework.txt
+++ b/Documentation/video4linux/v4l2-framework.txt
@@ -35,7 +35,7 @@ need and this same framework should make it much easier to refactor
common code into utility functions shared by all drivers.
A good example to look at as a reference is the v4l2-pci-skeleton.c
-source that is available in this directory. It is a skeleton driver for
+source that is available in samples/v4l/. It is a skeleton driver for
a PCI capture card, and demonstrates how to use the V4L2 driver
framework. It can be used as a template for real PCI video capture driver.
diff --git a/samples/Makefile b/samples/Makefile
index 48001d7e23f04..ad440d670cdb2 100644
--- a/samples/Makefile
+++ b/samples/Makefile
@@ -2,4 +2,4 @@
obj-$(CONFIG_SAMPLES) += kobject/ kprobes/ trace_events/ livepatch/ \
hw_breakpoint/ kfifo/ kdb/ hidraw/ rpmsg/ seccomp/ \
- configfs/
+ configfs/ v4l/
diff --git a/Documentation/video4linux/Makefile b/samples/v4l/Makefile
similarity index 100%
rename from Documentation/video4linux/Makefile
rename to samples/v4l/Makefile
diff --git a/Documentation/video4linux/v4l2-pci-skeleton.c b/samples/v4l/v4l2-pci-skeleton.c
similarity index 100%
rename from Documentation/video4linux/v4l2-pci-skeleton.c
rename to samples/v4l/v4l2-pci-skeleton.c
--
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