clk: versatile: pass a name to ICST clock provider

When we have more than one of these clocks in a system (such as
on the IM-PD1) we need a mechanism to pass a name for the clock.
Refactor to add this as an argument.

Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/clk/versatile/clk-icst.c

@@ -119,6 +119,7 @@ static const struct clk_ops icst_ops = {
 
 struct clk *icst_clk_register(struct device *dev,
 			const struct clk_icst_desc *desc,
+			const char *name,
 			void __iomem *base)
 {
 	struct clk *clk;
@@ -130,7 +131,7 @@ struct clk *icst_clk_register(struct device *dev,
 		pr_err("could not allocate ICST clock!\n");
 		return ERR_PTR(-ENOMEM);
 	}
-	init.name = "icst";
+	init.name = name;
 	init.ops = &icst_ops;
 	init.flags = CLK_IS_ROOT;
 	init.parent_names = NULL;

drivers/clk/versatile/clk-icst.h

@@ -15,4 +15,5 @@ struct clk_icst_desc {
 
 struct clk *icst_clk_register(struct device *dev,
 			      const struct clk_icst_desc *desc,
+			      const char *name,
 			      void __iomem *base);

drivers/clk/versatile/clk-impd1.c

@@ -66,8 +66,8 @@ void integrator_impd1_clk_init(void __iomem *base, unsigned int id)
 	}
 	imc = &impd1_clks[id];
 
-	clk = icst_clk_register(NULL, &impd1_icst1_desc, base);
-	imc->vcoclk = clk;
+	clk = icst_clk_register(NULL, &impd1_icst1_desc, "icst1", base);
+	imc->vco1clk = clk;
 	imc->clks[0] = clkdev_alloc(clk, NULL, "lm%x:01000", id);
 
 	/* UART reference clock */

drivers/clk/versatile/clk-integrator.c

@@ -78,7 +78,7 @@ void __init integrator_clk_init(bool is_cp)
 	clk_register_clkdev(clk, NULL, "sp804");
 
 	/* ICST VCO clock used on the Integrator/CP CLCD */
-	clk = icst_clk_register(NULL, &cp_icst_desc,
+	clk = icst_clk_register(NULL, &cp_icst_desc, "icst",
 				__io_address(INTEGRATOR_HDR_BASE));
 	clk_register_clkdev(clk, NULL, "clcd");
 }

drivers/clk/versatile/clk-realview.c

@@ -84,9 +84,11 @@ void __init realview_clk_init(void __iomem *sysbase, bool is_pb1176)
 
 	/* ICST VCO clock */
 	if (is_pb1176)
-		clk = icst_clk_register(NULL, &realview_osc0_desc, sysbase);
+		clk = icst_clk_register(NULL, &realview_osc0_desc,
+					"osc0", sysbase);
 	else
-		clk = icst_clk_register(NULL, &realview_osc4_desc, sysbase);
+		clk = icst_clk_register(NULL, &realview_osc4_desc,
+					"osc4", sysbase);
 
 	clk_register_clkdev(clk, NULL, "dev:clcd");
 	clk_register_clkdev(clk, NULL, "issp:clcd");