linux-kernel - [PATCH] arm: footbridge: Netwinder: Add KConfig select CLKEVT

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Message-Id: <1313422280-21942-1-git-send-email-peterhuewe@gmx.de>
Date:	Mon, 15 Aug 2011 17:31:20 +0200
From:	Peter Huewe <peterhuewe@....de>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Russell King <linux@....linux.org.uk>,
	Ralf Baechle <ralf@...ux-mips.org>,
	John Stultz <john.stultz@...aro.org>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	peterhuewe@....de
Subject: [PATCH] arm: footbridge: Netwinder: Add KConfig select CLKEVT_I8253 to fix build failure

This patch fixes a build failure for the netwinder_defconfig by adding
the necessary select CLKEVT_I8253 statement to the KCONFIG option.

Without this patch the build fails with this linker error:
isa-rtc.c:(.init.text+0x11d4): undefined reference to
`clockevent_i8253_init'
isa-rtc.c:(.init.text+0x11dc): undefined reference to `i8253_clockevent'
arch/arm/mach-footbridge/built-in.o:(.data+0x18c): undefined reference
to `i8253_clockevent'

This is because the functions are guarded by a #ifdef
CONFIG_CLKEVT_I8253

KernelVersion: Linux-next 20110812
but this is also present in Linus' current tree since July 1st.
(since commit e6220bd "i8253: Create common clockevent implementation")

Signed-off-by: Peter Huewe <peterhuewe@....de>
---
 arch/arm/mach-footbridge/Kconfig |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-footbridge/Kconfig b/arch/arm/mach-footbridge/Kconfig
index dc26fff..c8e7afc 100644
--- a/arch/arm/mach-footbridge/Kconfig
+++ b/arch/arm/mach-footbridge/Kconfig
@@ -62,6 +62,7 @@ config ARCH_EBSA285_HOST
 config ARCH_NETWINDER
 	bool "NetWinder"
 	select CLKSRC_I8253
+	select CLKEVT_I8253
 	select FOOTBRIDGE_HOST
 	select ISA
 	select ISA_DMA
-- 
1.7.3.4

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