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clocksource: Select CLKSRC_MMIO where needed

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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@arndb.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: http://lkml.kernel.org/r/1453737776-1960372-1-git-send-email-arnd@arndb.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Arnd Bergmann 2016-01-25 17:02:49 +01:00 committed by Thomas Gleixner
parent 7809998ab1
commit 2be6d9bfef
1 changed files with 5 additions and 0 deletions
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5
drivers/clocksource/Kconfig
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@ -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.