clk: bcm/kona: Remove ccu_list

This list doesn't look to be used. Let's remove it and any
associated code that would be manipulating this list. This also
silences this error:

drivers/clk/bcm/clk-kona-setup.c:24:1: warning: symbol 'ccu_list' was not declared. Should it be static?
Reviewed-by: Alex Elder <elder@linaro.org>
Cc: Tim Kryger <tim.kryger@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

drivers/clk/bcm/clk-kona-setup.c

@@ -21,8 +21,6 @@
 #define selector_clear_exists(sel)	((sel)->width = 0)
 #define trigger_clear_exists(trig)	FLAG_CLEAR(trig, TRIG, EXISTS)
 
-LIST_HEAD(ccu_list);	/* The list of set up CCUs */
-
 /* Validity checking */
 
 static bool ccu_data_offsets_valid(struct ccu_data *ccu)
@@ -773,7 +771,6 @@ static void kona_ccu_teardown(struct ccu_data *ccu)
 
 	of_clk_del_provider(ccu->node);	/* safe if never added */
 	ccu_clks_teardown(ccu);
-	list_del(&ccu->links);
 	of_node_put(ccu->node);
 	ccu->node = NULL;
 	iounmap(ccu->base);
@@ -847,7 +844,6 @@ void __init kona_dt_ccu_setup(struct ccu_data *ccu,
 		goto out_err;
 	}
 	ccu->node = of_node_get(node);
-	list_add_tail(&ccu->links, &ccu_list);
 
 	/*
 	 * Set up each defined kona clock and save the result in

drivers/clk/bcm/clk-kona.h

@@ -480,7 +480,6 @@ struct ccu_data {
 	spinlock_t lock;	/* serialization lock */
 	bool write_enabled;	/* write access is currently enabled */
 	struct ccu_policy policy;
-	struct list_head links;	/* for ccu_list */
 	struct device_node *node;
 	struct clk_onecell_data clk_data;
 	const char *name;
@@ -492,7 +491,6 @@ struct ccu_data {
 #define KONA_CCU_COMMON(_prefix, _name, _ccuname)			    \
 	.name		= #_name "_ccu",				    \
 	.lock		= __SPIN_LOCK_UNLOCKED(_name ## _ccu_data.lock),    \
-	.links		= LIST_HEAD_INIT(_name ## _ccu_data.links),	    \
 	.clk_data	= {						    \
 		.clk_num = _prefix ## _ ## _ccuname ## _CCU_CLOCK_COUNT,    \
 	}