[RFC] drivers/clk/Kconfig: Change COMMON_CLK to tristate

[York Sun]

COMMON_CLK has been a bool value, selected by the platforms who need
common clock framework. If a CCF driver is needed on an add-on device
such as PCIe card, COMMON_CLK can be selected individually as a
tristate value.

Signed-off-by: York Sun <yorksun@xxxxxxxxxxxxx>
CC: Paul Bolle <pebolle@xxxxxxxxxx>
CC: Mike Turquette <mturquette@xxxxxxxxxxxx>
---
 drivers/clk/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 32b2219..07f0b2f 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -10,7 +10,7 @@ config HAVE_MACH_CLKDEV
 	bool
 
 config COMMON_CLK
-	bool
+	tristate "Common Clock"
 	select HAVE_CLK_PREPARE
 	select CLKDEV_LOOKUP
 	select SRCU
-- 
1.7.9.5

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