linux-kernel - Re: [PATCH] pinctrl: pass -DDEBUG in subdirs

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Date:	Fri, 9 Jan 2015 18:22:36 +0800
From:	Yingjoe Chen <yingjoe.chen@...iatek.com>
To:	Linus Walleij <linus.walleij@...aro.org>
CC:	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-gpio@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: pass -DDEBUG in subdirs


On Fri, 2015-01-09 at 10:41 +0100, Linus Walleij wrote:
> When drivers are compiled in subdirectories the -DDEBUG flag need
> to be passed in the individual Makefiles.

Hi,

It will be easy to forget adding this when adding new subdirectories.
Can we do this instead?

diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile
index af365c5..36f1d620 100644
--- a/drivers/pinctrl/Makefile
+++ b/drivers/pinctrl/Makefile
@@ -1,6 +1,6 @@
 # generic pinmux support

-ccflags-$(CONFIG_DEBUG_PINCTRL)        += -DDEBUG
+subdir-ccflags-$(CONFIG_DEBUG_PINCTRL) += -DDEBUG

Joe.C



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