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[49/58] clocksource/drivers: atmel-pit: allow unselecting ATMEL_PIT

Message ID 20170530215139.9983-50-alexandre.belloni@free-electrons.com (mailing list archive)
State New, archived
Headers show

Commit Message

Alexandre Belloni May 30, 2017, 9:51 p.m. UTC 
With the new TCB clocksource driver, atmel platforms are now able to boot
without the PIT driver. Allow unselecting it.

Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
---
 drivers/clocksource/Kconfig | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index cbd710db3c09..2777c29191e3 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -408,7 +408,14 @@  config ARMV7M_SYSTICK
 
 config ATMEL_PIT
 	select CLKSRC_OF if OF
-	def_bool SOC_AT91SAM9 || SOC_SAMA5
+	bool "Atmel Periodic Interval Timer (PIT)"
+	depends on SOC_AT91SAM9 || SOC_SAMA5
+	default SOC_AT91SAM9 || SOC_SAMA5
+	help
+	  Select this to get a clocksource based on the Atmel Periodic Interval
+	  Timer. It has a relatively low resolution and the TC Block clocksource
+	  should be preferred.
+	  It also provides a clock event device.
 
 config ATMEL_ST
 	bool "Atmel ST timer support" if COMPILE_TEST