Commit-ID: 2be6d9bfef53d185975b44fd808aece36595e83e Gitweb: http://git.kernel.org/tip/2be6d9bfef53d185975b44fd808aece36595e83e Author: Arnd Bergmann <arnd@xxxxxxxx> AuthorDate: Mon, 25 Jan 2016 17:02:49 +0100 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitDate: Tue, 26 Jan 2016 16:26:07 +0100 clocksource: Select CLKSRC_MMIO where needed The Tegra clocksource implementation uses the clocksource_mmio helper functions, but currently can be configured without them, which fails: drivers/clocksource/built-in.o: In function `tegra20_init_timer': :(.init.text+0xac): undefined reference to `clocksource_mmio_init' :(.init.text+0x140): undefined reference to `clocksource_mmio_readl_up' The same problem exists for Digicolor: drivers/clocksource/built-in.o: In function `digicolor_timer_init': :(.init.text+0xfa): undefined reference to `clocksource_mmio_init' :(.init.text+0x14c): undefined reference to `clocksource_mmio_readl_down' I've inspected the Kconfig file to look for other cases that I have not yet run into, and added an explicit 'select' to each one to ensure we can successfully link the drivers. Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx Cc: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx> Link: http://lkml.kernel.org/r/1453737776-1960372-1-git-send-email-arnd@xxxxxxxx Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- drivers/clocksource/Kconfig | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 56777f0..f70b4f3 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -30,6 +30,7 @@ config CLKSRC_MMIO config DIGICOLOR_TIMER bool "Digicolor timer driver" if COMPILE_TEST depends on GENERIC_CLOCKEVENTS + select CLKSRC_MMIO help Enables the support for the digicolor timer driver. @@ -55,6 +56,7 @@ config ARMADA_370_XP_TIMER bool "Armada 370 and XP timer driver" if COMPILE_TEST depends on ARM select CLKSRC_OF + select CLKSRC_MMIO help Enables the support for the Armada 370 and XP timer driver. @@ -89,6 +91,7 @@ config SUN5I_HSTIMER config TEGRA_TIMER bool "Tegra timer driver" if COMPILE_TEST + select CLKSRC_MMIO depends on ARM help Enables support for the Tegra driver. @@ -263,6 +266,7 @@ config FSL_FTM_TIMER config VF_PIT_TIMER bool + select CLKSRC_MMIO help Support for Period Interrupt Timer on Freescale Vybrid Family SoCs. @@ -394,6 +398,7 @@ config CLKSRC_ST_LPC bool "Low power clocksource found in the LPC" if COMPILE_TEST select CLKSRC_OF if OF depends on HAS_IOMEM + select CLKSRC_MMIO help Enable this option to use the Low Power controller timer as clocksource. -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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