Re: RFC: kconfig select warnings bogus?

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On 5/20/07, Satyam Sharma <[email protected]> wrote:
On 5/19/07, Andrew Morton <[email protected]> wrote:
> On Sat, 19 May 2007 17:15:23 +0200 Sam Ravnborg <[email protected]> wrote:
>
> > We see a lot of these lately:
> >   GEN     /home/bor/build/linux-2.6.22/Makefile
> > scripts/kconfig/conf -s arch/i386/Kconfig
> > drivers/macintosh/Kconfig:116:warning: 'select' used by config symbol 'PMAC_APM_EMU' refers to undefined symbol 'SYS_SUPPORTS_APM_EMULATION'
> > drivers/net/Kconfig:2283:warning: 'select' used by config symbol 'UCC_GETH' refers to undefined symbol 'UCC_FAST'
> > drivers/input/keyboard/Kconfig:170:warning: 'select' used by config symbol 'KEYBOARD_ATARI' refers to undefined symbol 'ATARI_KBD_CORE'
> > drivers/input/mouse/Kconfig:182:warning: 'select' used by config symbol 'MOUSE_ATARI' refers to undefined symbol 'ATARI_KBD_CORE'
> >
> >
> > Do this warning really add any value or should we just ignore them like this?
> >
>
> They always indicate Kconfig bugs, don't they?  If so, we should keep the
> warning.
>
> We should also fix the Kconfig bugs but for some reason they tend to hang
> around for ages and ages.

I remember coming across a thread couple weeks back that contained
patches that eliminated all four of these .. perhaps nobody picked them
up. Adding the authors of those patches to CC list (those that I
remember, at least).

(later)

I think this is the thread, in any case:

http://groups.google.com/group/linux.kernel/browse_frm/thread/d46d5dcecb84424a/1b586d67a1205d86?tvc=1


A combined patch for all of those on top of 22-rc2 (adding Signed-off-by's
for original authors too):

Signed-off-by: Kumar Gala <[email protected]>
Signed-off-by: Simon Horman <[email protected]>
Signed-off-by: Satyam Sharma <[email protected]>

---

arch/m68k/Kconfig                  |    1 +
arch/powerpc/Kconfig               |    1 +
arch/powerpc/sysdev/qe_lib/Kconfig |    1 +
drivers/input/keyboard/Kconfig     |    1 -
drivers/input/mouse/Kconfig        |    1 -
drivers/macintosh/Kconfig          |    1 -
drivers/net/Kconfig                |    1 -
7 files changed, 3 insertions(+), 4 deletions(-)

---

diff -ruNp a/arch/m68k/Kconfig b/arch/m68k/Kconfig
--- a/arch/m68k/Kconfig	2007-05-20 04:11:47.000000000 +0530
+++ b/arch/m68k/Kconfig	2007-05-20 04:23:57.000000000 +0530
@@ -411,6 +411,7 @@ config STRAM_PROC

config ATARI_KBD_CORE
	bool
+	default y if KEYBOARD_ATARI || MOUSE_ATARI

config HEARTBEAT
	bool "Use power LED as a heartbeat" if AMIGA || APOLLO || ATARI || MAC ||Q40
diff -ruNp a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
--- a/arch/powerpc/Kconfig	2007-05-20 04:11:48.000000000 +0530
+++ b/arch/powerpc/Kconfig	2007-05-20 04:18:38.000000000 +0530
@@ -119,6 +119,7 @@ config GENERIC_BUG

config SYS_SUPPORTS_APM_EMULATION
	bool
+	default y if PMAC_APM_EMU

config DEFAULT_UIMAGE
	bool
diff -ruNp a/arch/powerpc/sysdev/qe_lib/Kconfig
b/arch/powerpc/sysdev/qe_lib/Kconfig
--- a/arch/powerpc/sysdev/qe_lib/Kconfig	2007-05-20 04:11:49.000000000 +0530
+++ b/arch/powerpc/sysdev/qe_lib/Kconfig	2007-05-20 04:20:43.000000000 +0530
@@ -12,6 +12,7 @@ config UCC_SLOW

config UCC_FAST
	bool
+	default y if UCC_GETH
	default n
	select UCC
	help
diff -ruNp a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
--- a/drivers/input/keyboard/Kconfig	2007-05-20 04:11:55.000000000 +0530
+++ b/drivers/input/keyboard/Kconfig	2007-05-20 04:24:54.000000000 +0530
@@ -167,7 +167,6 @@ config KEYBOARD_AMIGA
config KEYBOARD_ATARI
	tristate "Atari keyboard"
	depends on ATARI
-	select ATARI_KBD_CORE
	help
	  Say Y here if you are running Linux on any Atari and have a keyboard
	  attached.
diff -ruNp a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
--- a/drivers/input/mouse/Kconfig	2007-05-20 04:11:55.000000000 +0530
+++ b/drivers/input/mouse/Kconfig	2007-05-20 04:25:09.000000000 +0530
@@ -179,7 +179,6 @@ config MOUSE_AMIGA
config MOUSE_ATARI
	tristate "Atari mouse"
	depends on ATARI
-	select ATARI_KBD_CORE
	help
	  Say Y here if you have an Atari and want its native mouse
	  supported by the kernel.
diff -ruNp a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig
--- a/drivers/macintosh/Kconfig	2007-05-20 04:11:55.000000000 +0530
+++ b/drivers/macintosh/Kconfig	2007-05-20 04:18:57.000000000 +0530
@@ -113,7 +113,6 @@ config PMAC_SMU

config PMAC_APM_EMU
	tristate "APM emulation"
-	select SYS_SUPPORTS_APM_EMULATION
	select APM_EMULATION
	depends on ADB_PMU && PM

diff -ruNp a/drivers/net/Kconfig b/drivers/net/Kconfig
--- a/drivers/net/Kconfig	2007-05-20 04:11:56.000000000 +0530
+++ b/drivers/net/Kconfig	2007-05-20 04:22:15.000000000 +0530
@@ -2280,7 +2280,6 @@ config GFAR_NAPI
config UCC_GETH
	tristate "Freescale QE Gigabit Ethernet"
	depends on QUICC_ENGINE
-	select UCC_FAST
	help
	  This driver supports the Gigabit Ethernet mode of the QUICC Engine,
	  which is available on some Freescale SOCs.
-
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