diff mbox series

[4/4] staging: comedi: Use subdir-ccflags-* to inherit debug flag

Message ID 1612518255-23052-5-git-send-email-yangyicong@hisilicon.com (mailing list archive)
State New
Headers show
Series Use subdir-ccflags-* to inherit debug flag | expand

Commit Message

Yicong Yang Feb. 5, 2021, 9:44 a.m. UTC
From: Junhao He <hejunhao2@hisilicon.com>

Use subdir-ccflags-* instead of ccflags-* to inherit the debug
settings from Kconfig when traversing subdirectories.

Suggested-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Junhao He <hejunhao2@hisilicon.com>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
---
 drivers/staging/comedi/Makefile               | 2 +-
 drivers/staging/comedi/drivers/Makefile       | 1 -
 drivers/staging/comedi/drivers/tests/Makefile | 2 --
 drivers/staging/comedi/kcomedilib/Makefile    | 2 --
 4 files changed, 1 insertion(+), 6 deletions(-)

Comments

Greg KH Feb. 5, 2021, 9:54 a.m. UTC | #1
On Fri, Feb 05, 2021 at 05:44:15PM +0800, Yicong Yang wrote:
> From: Junhao He <hejunhao2@hisilicon.com>
> 
> Use subdir-ccflags-* instead of ccflags-* to inherit the debug
> settings from Kconfig when traversing subdirectories.

Again, explain _why_.

Please read the section entitled "The canonical patch format" in the
kernel file, Documentation/SubmittingPatches for what a proper changelog
should look like.

thanks,

greg k-h
Masahiro Yamada Feb. 6, 2021, 12:52 a.m. UTC | #2
On Fri, Feb 5, 2021 at 6:54 PM Greg KH <gregkh@linuxfoundation.org> wrote:
>
> On Fri, Feb 05, 2021 at 05:44:15PM +0800, Yicong Yang wrote:
> > From: Junhao He <hejunhao2@hisilicon.com>
> >
> > Use subdir-ccflags-* instead of ccflags-* to inherit the debug
> > settings from Kconfig when traversing subdirectories.
>
> Again, explain _why_.
>
> Please read the section entitled "The canonical patch format" in the
> kernel file, Documentation/SubmittingPatches for what a proper changelog
> should look like.
>
> thanks,
>
> greg k-h


I think this is a good clean-up,
assuming CONFIG_COMEDI_DEBUG intends to
give the DEBUG flag to all source files
under drivers/staging/comedi/.
diff mbox series

Patch

diff --git a/drivers/staging/comedi/Makefile b/drivers/staging/comedi/Makefile
index 072ed83..f51cc14 100644
--- a/drivers/staging/comedi/Makefile
+++ b/drivers/staging/comedi/Makefile
@@ -1,5 +1,5 @@ 
 # SPDX-License-Identifier: GPL-2.0
-ccflags-$(CONFIG_COMEDI_DEBUG)		:= -DDEBUG
+subdir-ccflags-$(CONFIG_COMEDI_DEBUG)	:= -DDEBUG
 
 comedi-y				:= comedi_fops.o range.o drivers.o \
 					   comedi_buf.o
diff --git a/drivers/staging/comedi/drivers/Makefile b/drivers/staging/comedi/drivers/Makefile
index b24ac00..7cafc36 100644
--- a/drivers/staging/comedi/drivers/Makefile
+++ b/drivers/staging/comedi/drivers/Makefile
@@ -1,7 +1,6 @@ 
 # SPDX-License-Identifier: GPL-2.0
 # Makefile for individual comedi drivers
 #
-ccflags-$(CONFIG_COMEDI_DEBUG)		:= -DDEBUG
 
 # Comedi "helper" modules
 obj-$(CONFIG_COMEDI_8254)		+= comedi_8254.o
diff --git a/drivers/staging/comedi/drivers/tests/Makefile b/drivers/staging/comedi/drivers/tests/Makefile
index b5d8e13..44ac13d 100644
--- a/drivers/staging/comedi/drivers/tests/Makefile
+++ b/drivers/staging/comedi/drivers/tests/Makefile
@@ -1,7 +1,5 @@ 
 # SPDX-License-Identifier: GPL-2.0
 # Makefile for comedi drivers unit tests
 #
-ccflags-$(CONFIG_COMEDI_DEBUG)		:= -DDEBUG
-
 obj-$(CONFIG_COMEDI_TESTS)		+= example_test.o ni_routes_test.o
 CFLAGS_ni_routes_test.o			:= -DDEBUG
diff --git a/drivers/staging/comedi/kcomedilib/Makefile b/drivers/staging/comedi/kcomedilib/Makefile
index 8031142..9f20318 100644
--- a/drivers/staging/comedi/kcomedilib/Makefile
+++ b/drivers/staging/comedi/kcomedilib/Makefile
@@ -1,6 +1,4 @@ 
 # SPDX-License-Identifier: GPL-2.0
-ccflags-$(CONFIG_COMEDI_DEBUG)		:= -DDEBUG
-
 obj-$(CONFIG_COMEDI_KCOMEDILIB)	+= kcomedilib.o
 
 kcomedilib-objs := kcomedilib_main.o