prepare_refcnt 33 drivers/clk/clk.c static int prepare_refcnt; prepare_refcnt 137 drivers/clk/clk.c prepare_refcnt++; prepare_refcnt 143 drivers/clk/clk.c WARN_ON_ONCE(prepare_refcnt != 0); prepare_refcnt 145 drivers/clk/clk.c prepare_refcnt = 1; prepare_refcnt 151 drivers/clk/clk.c WARN_ON_ONCE(prepare_refcnt == 0); prepare_refcnt 153 drivers/clk/clk.c if (--prepare_refcnt)