media: ipu3: shut up warnings produced with W=1

There are lots of warnings produced by this driver. It is not
as much as atomisp, but it is still a lot.

So, use the same solution to hide most of them.
Those need to be fixed before promoting it out of staging,
so add it at the TODO list.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

diff --git a/drivers/staging/media/ipu3/Makefile b/drivers/staging/media/ipu3/Makefile
index fb146d1..fa7fa33 100644 (file)
--- a/drivers/staging/media/ipu3/Makefile
+++ b/drivers/staging/media/ipu3/Makefile
@@ -9,3 +9,9 @@ ipu3-imgu-objs += \
                ipu3-css.o ipu3-v4l2.o ipu3.o
 
 obj-$(CONFIG_VIDEO_IPU3_IMGU) += ipu3-imgu.o
+
+# HACK! While this driver is in bad shape, don't enable several warnings
+#       that would be otherwise enabled with W=1
+ccflags-y += $(call cc-disable-warning, packed-not-aligned)
+ccflags-y += $(call cc-disable-warning, type-limits)
+ccflags-y += $(call cc-disable-warning, unused-const-variable)

diff --git a/drivers/staging/media/ipu3/TODO b/drivers/staging/media/ipu3/TODO
index 8b95e74..5e55bae 100644 (file)
--- a/drivers/staging/media/ipu3/TODO
+++ b/drivers/staging/media/ipu3/TODO
@@ -27,3 +27,5 @@ staging directory.
 - Document different operation modes, and which buffer queues are relevant
   in each mode. To process an image, which queues require a buffer an in
   which ones is it optional?
+
+- Make sure it builds fine with no warnings with W=1