soc: microchip: sam: optimize clock name for sama75 programmable clock

Change the location of the names for programable clocks from the stack
to "static struct clk_programmable" array.

Signed-off-by: Tony Han <tony.han@microchip.com>

Author: TonyHan11

soc/microchip/sam/common/clk-programmable.c

@@ -25,6 +25,7 @@ struct clk_programmable {
 	uint8_t num_parents;
 	uint8_t parent;
 	const struct clk_programmable_layout *layout;
+	char name[8];
 };
 
 #define to_clk_programmable(ptr) CONTAINER_OF(ptr, struct clk_programmable, clk)
@@ -79,7 +80,7 @@ static DEVICE_API(clock_control, programmable_api) = {
 	.get_rate = clk_programmable_get_rate,
 };
 
-int clk_register_programmable(pmc_registers_t *const pmc, const char *name,
+int clk_register_programmable(pmc_registers_t *const pmc,
 			      const struct device **parents,
 			      uint8_t num_parents, uint8_t id,
 			      const struct clk_programmable_layout *layout,
@@ -102,9 +103,10 @@ int clk_register_programmable(pmc_registers_t *const pmc, const char *name,
 	}
 
 	memcpy(prog->parents, parents, sizeof(struct device *) * num_parents);
+	snprintf(prog->name, sizeof(prog->name), "prog%d", id);
 
 	*clk = &prog->clk;
-	(*clk)->name = name;
+	(*clk)->name = prog->name;
 	(*clk)->api = &programmable_api;
 	prog->num_parents = num_parents;
 	prog->id = id;

soc/microchip/sam/common/pmc.h

@@ -168,7 +168,7 @@ int sam9x60_clk_register_frac_pll(pmc_registers_t *const pmc, struct k_spinlock
 				  const struct clk_pll_characteristics *characteristics,
 				  const struct clk_pll_layout *layout, struct device **clk);
 
-int clk_register_programmable(pmc_registers_t *const pmc, const char *name,
+int clk_register_programmable(pmc_registers_t *const pmc,
 			      const struct device **parents,
 			      uint8_t num_parents, uint8_t id,
 			      const struct clk_programmable_layout *layout,

soc/microchip/sam/common/sama7g5.c

@@ -1154,11 +1154,7 @@ void sam_pmc_setup(const struct device *dev)
 	parents[7] = sama7g5_plls[PLL_ID_AUDIO][PLL_COMPID_DIV0].clk;
 	parents[8] = sama7g5_plls[PLL_ID_ETH][PLL_COMPID_DIV0].clk;
 	for (i = 0; i < 8; i++) {
-		char name[6];
-
-		snprintf(name, sizeof(name), "prog%d", i);
-
-		ret = clk_register_programmable(regmap, name, parents,
+		ret = clk_register_programmable(regmap, parents,
 						9, i,
 						&programmable_layout,
 						sama7g5_prog_mux_table, &clk);