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Commit e156ee56 authored by Mike Turquette's avatar Mike Turquette
Browse files

doc/kernel-parameters.txt: clarify clk_ignore_unused 

Refine the definition around clk_ignore_unused, which caused some
confusion recently on the linux-fbdev and linux-arm-kernel mailing
lists[0].

[0] http://lkml.kernel.org/r/<20140929135358.GC30998@ulmo

>

Signed-off-by: default avatarMike Turquette <mturquette@linaro.org>
parent 38bf3a79

Documentation/kernel-parameters.txt

+9 −5
Original line number Diff line number Diff line
@@ -605,11 +605,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted. 
			See Documentation/s390/CommonIO for details.

	clk_ignore_unused

			[CLK]

			Keep all clocks already enabled by bootloader on,

			even if no driver has claimed them. This is useful

			for debug and development, but should not be

			needed on a platform with proper driver support.

			For more information, see Documentation/clk.txt.

			Prevents the clock framework from automatically gating

			clocks that have not been explicitly enabled by a Linux

			device driver but are enabled in hardware at reset or

			by the bootloader/firmware. Note that this does not

			force such clocks to be always-on nor does it reserve

			those clocks in any way. This parameter is useful for

			debug and development, but should not be needed on a

			platform with proper driver support.  For more

			information, see Documentation/clk.txt.



	clock=		[BUGS=X86-32, HW] gettimeofday clocksource override.

			[Deprecated]