CONFIG_HAVE_CLK (not configurable)
configname: CONFIG_HAVE_CLK
Linux Kernel Configuration
└─>HAVE_CLK
In linux kernel since version 2.6.27 (release Date: 2008-10-09)
The <linux/clk.h> calls support software clock gating and
thus are a key power management tool on many systems.
thus are a key power management tool on many systems.