linux-kernel - Re: linux-next: build failure after merge of the final tree (battery tree related)

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Message-ID: <20110421232703.GA16294@oksana.dev.rtsoft.ru>
Date:	Fri, 22 Apr 2011 03:27:03 +0400
From:	Anton Vorontsov <cbouatmailru@...il.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	MyungJoo Ham <myungjoo.ham@...sung.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>
Subject: Re: linux-next: build failure after merge of the final tree
 (battery tree related)

Hi Stephen,

On Fri, Apr 22, 2011 at 08:05:55AM +1000, Stephen Rothwell wrote:
> Hi Anton,
> 
> After merging the final tree, today's linux-next build (s390 allyesconfig)
> failed like this:
> 
> drivers/built-in.o: In function `max8903_remove':
> drivers/power/max8903_charger.c:355: undefined reference to `free_irq'
> drivers/power/max8903_charger.c:357: undefined reference to `free_irq'
> drivers/power/max8903_charger.c:359: undefined reference to `free_irq'

I added the following patch to the battery-2.6.git, so this should be
fixed now. Thanks!

commit 6f9efe76cb213e9b0dd89e465efaf9725f4bf492
Author: Anton Vorontsov <cbouatmailru@...il.com>
Date:   Fri Apr 22 03:08:22 2011 +0400

    max8903_charger: Add GENERIC_HARDIRQS as a dependency (fixes S390 build)
    
    S390 is special as it doesn't have IRQ lines, so these errors pop up:
    
    drivers/built-in.o: In function 'max8903_remove':
    drivers/power/max8903_charger.c:355: undefined reference to 'free_irq'
    drivers/power/max8903_charger.c:357: undefined reference to 'free_irq'
    drivers/power/max8903_charger.c:359: undefined reference to 'free_irq'
    
    This commit fixes the issue by making the driver depend on
    GENERIC_HARDIRQS feature.
    
    Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
    Signed-off-by: Anton Vorontsov <cbouatmailru@...il.com>

diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index 1f50ebc..cc019c9 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -205,6 +205,7 @@ config CHARGER_ISP1704
 
 config CHARGER_MAX8903
 	tristate "MAX8903 Battery DC-DC Charger for USB and Adapter Power"
+	depends on GENERIC_HARDIRQS
 	help
 	  Say Y to enable support for the MAX8903 DC-DC charger and sysfs.
 	  The driver supports controlling charger-enable and current-limit
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