clk: bcm: iproc: Make sure clk_init_data is fully initialized

The clk_init_data structure contains several mutually-exclusive members
for different methods to specify the possible parents of a clock,
prompting drivers to initialize only the members they need.  However,
not initializing all members may cause subtle issues, which are only
exposed when CONFIG_INIT_STACK_ALL_PATTERN or CONFIG_INIT_STACK_NONE is
enabled.

Make sure all members are fully initialized, to avoid such bugs, and to
prevent future breakage when converting drivers to a different method
for specifying the parents.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Message-ID: <28233748ddbdefe6a2eb18127d5cd5f72984ab62.1787239813.git.geert+renesas@glider.be>
Signed-off-by: Brian Masney <bmasney@redhat.com>

drivers/clk/bcm/clk-iproc-armpll.c

@@ -235,7 +235,7 @@ void __init iproc_armpll_setup(struct device_node *node)
 {
 	int ret;
 	struct iproc_arm_pll *pll;
-	struct clk_init_data init;
+	struct clk_init_data init = {};
 	const char *parent_name;
 
 	pll = kzalloc_obj(*pll);

drivers/clk/bcm/clk-iproc-asiu.c

@@ -206,7 +206,7 @@ void __init iproc_asiu_setup(struct device_node *node,
 		goto err_iomap_gate;
 
 	for (i = 0; i < num_clks; i++) {
-		struct clk_init_data init;
+		struct clk_init_data init = {};
 		const char *parent_name;
 		struct iproc_asiu_clk *asiu_clk;
 		const char *clk_name;

drivers/clk/bcm/clk-iproc-pll.c

@@ -722,7 +722,7 @@ void iproc_pll_clk_setup(struct device_node *node,
 	int i, ret;
 	struct iproc_pll *pll;
 	struct iproc_clk *iclk;
-	struct clk_init_data init;
+	struct clk_init_data init = {};
 	const char *parent_name;
 	struct iproc_clk *iclk_array;
 	struct clk_hw_onecell_data *clk_data;