clk: stm32mp2: use of STM32 access controller

Use an STM32 access controller to filter the registration of clocks.
If a clock is used by the security world, then it must not registered.

Signed-off-by: Gabriel Fernandez <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Stephen Boyd <[email protected]>

Author: Gabriel-Fernandz

drivers/clk/stm32/clk-stm32-core.c

@@ -46,7 +46,7 @@ static int stm32_rcc_clock_init(struct device *dev,
 		struct clk_hw *hw = ERR_PTR(-ENOENT);
 
 		if (data->check_security &&
-		    data->check_security(base, cfg_clock))
+		    data->check_security(dev->of_node, base, cfg_clock))
 			continue;
 
 		if (cfg_clock->func)

drivers/clk/stm32/clk-stm32-core.h

@@ -71,7 +71,7 @@ struct stm32_rcc_match_data {
 	unsigned int			maxbinding;
 	struct clk_stm32_clock_data	*clock_data;
 	struct clk_stm32_reset_data	*reset_data;
-	int (*check_security)(void __iomem *base,
+	int (*check_security)(struct device_node *np, void __iomem *base,
 			      const struct clock_config *cfg);
 	int (*multi_mux)(void __iomem *base, const struct clock_config *cfg);
 };

drivers/clk/stm32/clk-stm32mp13.c

@@ -1458,7 +1458,7 @@ static const struct clock_config stm32mp13_clock_cfg[] = {
 	STM32_COMPOSITE_CFG(CK_MCO2, ck_mco2, SECF_MCO2),
 };
 
-static int stm32mp13_clock_is_provided_by_secure(void __iomem *base,
+static int stm32mp13_clock_is_provided_by_secure(struct device_node *np, void __iomem *base,
 						 const struct clock_config *cfg)
 {
 	int sec_id = cfg->sec_id;