[nrf fromlist] drivers: flash: rram singlethreading support

Upstream PR: zephyrproject-rtos/zephyr#68309 Adds conditional usage of locking mechanisms to allow building without multithreading. Signed-off-by: Mateusz Michalek <[email protected]>
nrfconnect · Feb 15, 2024 · fd60929 · fd60929
1 parent 2448d47
commit fd60929
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/drivers/flash/soc_flash_nrf_rram.c b/drivers/flash/soc_flash_nrf_rram.c
@@ -30,10 +30,16 @@ LOG_MODULE_REGISTER(flash_nrf_rram, CONFIG_FLASH_LOG_LEVEL);
 #define WRITE_BLOCK_SIZE_FROM_DT DT_PROP(RRAM, write_block_size)
 #define ERASE_VALUE              0xFF
 
+#ifdef CONFIG_MULTITHREADING
 static struct k_sem sem_lock;
 #define SYNC_INIT()   k_sem_init(&sem_lock, 1, 1)
 #define SYNC_LOCK()   k_sem_take(&sem_lock, K_FOREVER)
 #define SYNC_UNLOCK() k_sem_give(&sem_lock)
+#else
+#define SYNC_INIT()
+#define SYNC_LOCK()
+#define SYNC_UNLOCK()
+#endif /* CONFIG_MULTITHREADING */
 
 #if CONFIG_NRF_RRAM_WRITE_BUFFER_SIZE > 0
 #define WRITE_BUFFER_ENABLE   1