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SubjectRe: [build bug] drivers/built-in.o: In function `rt2x00leds_resume': : undefined reference to `led_classdev_resume'

* David Miller <davem@davemloft.net> wrote:

> Thanks for your report.
>
> This is a similar case to the iwlwifi build failure you reported
> earlier today (where the leds infrastructure knob is modular but the
> driver using the interfaces is built-in). Therefore, it likely should
> use select too.
>
> This should fix it:
>
> rt2x00: Select LEDS_CLASS instead of using 'depends'.

hm, it seems there's still some small hole left in its Kconfig
structure, overnight testing triggered this randconfig combination:

| drivers/built-in.o: In function `rt2x00leds_resume':
| : undefined reference to `led_classdev_resume'
| drivers/built-in.o: In function `rt2x00leds_resume':
| : undefined reference to `led_classdev_resume'
|
| http://redhat.com/~mingo/misc/config-Fri_Apr_25_08_50_47_CEST_2008.bad

... no biggie though, the usual distro configs build fine. I've
reinstated the quick hack below.

btw., for some reason LEDS was a source of various build problems in the
past too - we fought with it in the x86 tree as well in .25. It seems to
have problems much more so than other config options that get select-ed.
Perhaps there's something particularly fragile about LEDS?

Ingo

-------------->
Subject: rt2x00: turn off temporarily
From: Ingo Molnar <mingo@elte.hu>
Date: Sun Apr 20 10:18:45 CEST 2008

NOT-Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
drivers/net/wireless/rt2x00/Kconfig | 4 ++++
1 file changed, 4 insertions(+)

Index: linux/drivers/net/wireless/rt2x00/Kconfig
===================================================================
--- linux.orig/drivers/net/wireless/rt2x00/Kconfig
+++ linux/drivers/net/wireless/rt2x00/Kconfig
@@ -62,6 +62,7 @@ config RT2400PCI_LEDS
bool "RT2400 leds support"
depends on RT2400PCI
select LEDS_CLASS
+ depends on 0
select RT2X00_LIB_LEDS
---help---
This adds support for led triggers provided my mac80211.
@@ -89,6 +90,7 @@ config RT2500PCI_LEDS
bool "RT2500 leds support"
depends on RT2500PCI
select LEDS_CLASS
+ depends on 0
select RT2X00_LIB_LEDS
---help---
This adds support for led triggers provided my mac80211.
@@ -118,6 +120,7 @@ config RT61PCI_LEDS
bool "RT61 leds support"
depends on RT61PCI
select LEDS_CLASS
+ depends on 0
select RT2X00_LIB_LEDS
---help---
This adds support for led triggers provided my mac80211.
@@ -154,6 +157,7 @@ config RT73USB_LEDS
bool "RT73 leds support"
depends on RT73USB
select LEDS_CLASS
+ depends on 0
select RT2X00_LIB_LEDS
---help---
This adds support for led triggers provided my mac80211.

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