bootloader: bl_boot: minor ifdef rework

Changing ifdef's for consistency improvement.
This also spares few bytes of flash.

Signed-off-by: Mateusz Michalek <[email protected]>

Author: michalek-no

samples/bootloader/src/main.c

@@ -9,15 +9,15 @@
 #include <zephyr/sys/printk.h>
 #include <pm_config.h>
 #include <fw_info.h>
-#ifdef CONFIG_FPROTECT
+#if defined(CONFIG_FPROTECT)
 #include <fprotect.h>
 #else
 #warning "FPROTECT not enabled, the bootloader will be unprotected."
 #endif
 #include <bl_storage.h>
 #include <bl_boot.h>
 #include <bl_validation.h>
-#ifdef CONFIG_NRFX_NVMC
+#if defined(CONFIG_NRFX_NVMC)
 #include <nrfx_nvmc.h>
 #elif defined(CONFIG_NRFX_RRAMC)
 #include <nrfx_rramc.h>
@@ -38,7 +38,7 @@ int load_huk(void)
 
 		if (*(uint32_t *)huk_flag_addr == 0xFFFFFFFF) {
 			printk("First boot, expecting app to write HUK.\n");
-#ifdef CONFIG_NRFX_NVMC
+#if defined(CONFIG_NRFX_NVMC)
 			nrfx_nvmc_word_write(huk_flag_addr, 0);
 #elif defined(CONFIG_NRFX_RRAMC)
 			nrfx_rramc_word_write(huk_flag_addr, 0);
@@ -128,18 +128,17 @@ static void validate_and_boot(const struct fw_info *fw_info, counter_t slot)
 
 int main(void)
 {
-	int err = 0;
 
-	if (IS_ENABLED(CONFIG_FPROTECT)) {
-		err = fprotect_area(PM_B0_ADDRESS, PM_B0_SIZE);
-	} else {
-		printk("Fprotect disabled. No protection applied.\n\r");
-	}
+#if defined(CONFIG_FPROTECT)
+	int err = fprotect_area(PM_B0_ADDRESS, PM_B0_SIZE);
 
 	if (err) {
 		printk("Failed to protect B0 flash, cancel startup.\n\r");
 		return 0;
 	}
+#else
+	printk("Fprotect disabled. No protection applied.\n\r");
+#endif
 
 	uint32_t s0_addr = s0_address_read();
 	uint32_t s1_addr = s1_address_read();

subsys/bootloader/bl_boot/bl_boot.c

@@ -41,7 +41,7 @@ static void uninit_used_uarte(NRF_UARTE_Type *p_reg)
 
 static void uninit_used_peripherals(void)
 {
-#ifdef CONFIG_UART_NRFX
+#if defined(CONFIG_UART_NRFX)
 #if defined(CONFIG_HAS_HW_NRF_UART0)
 	nrf_uart_disable(NRF_UART0);
 #elif defined(CONFIG_HAS_HW_NRF_UARTE0)
@@ -82,18 +82,17 @@ void bl_boot(const struct fw_info *fw_info)
 	 * bootloader storage data is locked together with the network core
 	 * application.
 	 */
-	int err = 0;
-
-	if (IS_ENABLED(CONFIG_FPROTECT)) {
-		err = fprotect_area(PM_PROVISION_ADDRESS, PM_PROVISION_SIZE);
-	} else {
-		printk("Fprotect disabled. No protection applied.\n\r");
-	}
+#if defined(CONFIG_FPROTECT)
+	int err = fprotect_area(PM_PROVISION_ADDRESS, PM_PROVISION_SIZE);
 
 	if (err) {
 		printk("Failed to protect bootloader storage.\n\r");
 		return;
 	}
+#else
+		printk("Fprotect disabled. No protection applied.\n\r");
+#endif
+
 #endif
 
 #if CONFIG_ARCH_HAS_USERSPACE