linux-kernel - [PATCH] clocksource: time-efm32: Select CLKSRC

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Message-ID: <1384913711.13115.2.camel@phoenix>
Date:	Wed, 20 Nov 2013 10:15:11 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>
Cc:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>, linux-kernel@...r.kernel.org
Subject: [PATCH] clocksource: time-efm32: Select CLKSRC_MMIO

The time-efm32 driver uses the clocksource MMIO functions.
Thus it needs to select CLKSRC_MMIO in Kconfig.

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
This fixes build error when COMPILE_TEST=y.
drivers/built-in.o: In function `efm32_clocksource_init':
drivers/clocksource/time-efm32.c:162: undefined reference to `clocksource_mmio_init'
drivers/built-in.o: In function `efm32_timer_init':
drivers/clocksource/time-efm32.c:274: undefined reference to `clocksource_mmio_readl_up'
make: *** [vmlinux] Error 1

 drivers/clocksource/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index bdb953e..99763eb 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -75,6 +75,7 @@ config CLKSRC_DBX500_PRCMU_SCHED_CLOCK
 config CLKSRC_EFM32
 	bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32
 	depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST)
+	select CLKSRC_MMIO
 	default ARCH_EFM32
 	help
 	  Support to use the timers of EFM32 SoCs as clock source and clock
-- 
1.8.1.2



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