From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753735Ab3KTCPW (ORCPT ); Tue, 19 Nov 2013 21:15:22 -0500 Received: from mail-pa0-f42.google.com ([209.85.220.42]:48401 "EHLO mail-pa0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753695Ab3KTCPT (ORCPT ); Tue, 19 Nov 2013 21:15:19 -0500 Message-ID: <1384913711.13115.2.camel@phoenix> Subject: [PATCH] clocksource: time-efm32: Select CLKSRC_MMIO From: Axel Lin To: Daniel Lezcano , Thomas Gleixner Cc: Uwe =?ISO-8859-1?Q?Kleine-K=F6nig?= , linux-kernel@vger.kernel.org Date: Wed, 20 Nov 2013 10:15:11 +0800 Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.6.4-0ubuntu1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The time-efm32 driver uses the clocksource MMIO functions. Thus it needs to select CLKSRC_MMIO in Kconfig. Signed-off-by: Axel Lin --- 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