drivers: flash: stm32 ospi: early init exit for memap mode

Exit the init earlier when OSPI is in memory map mode. Avoid unnecessary checks and prevent pin reconfiguration that might cause line spikes. Signed-off-by: Georgij Cernysiov <[email protected]>
zephyrproject-rtos · Nov 26, 2024 · 33c3a60 · 33c3a60
1 parent 2bc7b07
commit 33c3a60
Showing 1 changed file with 10 additions and 10 deletions.
diff --git a/drivers/flash/flash_stm32_ospi.c b/drivers/flash/flash_stm32_ospi.c
@@ -2103,6 +2103,16 @@ static int flash_stm32_ospi_init(const struct device *dev)
 	uint32_t prescaler = STM32_OSPI_CLOCK_PRESCALER_MIN;
 	int ret;
 
+#ifdef CONFIG_STM32_MEMMAP
+	/* If MemoryMapped then configure skip init */
+	if (stm32_ospi_is_memorymap(dev)) {
+		LOG_DBG("NOR init'd in MemMapped mode\n");
+		/* Force HAL instance in correct state */
+		dev_data->hospi.State = HAL_OSPI_STATE_BUSY_MEM_MAPPED;
+		return 0;
+	}
+#endif /* CONFIG_STM32_MEMMAP */
+
 	/* The SPI/DTR is not a valid config of data_mode/data_rate according to the DTS */
 	if ((dev_cfg->data_mode != OSPI_OPI_MODE)
 		&& (dev_cfg->data_rate == OSPI_DTR_TRANSFER)) {
@@ -2123,16 +2133,6 @@ static int flash_stm32_ospi_init(const struct device *dev)
 		return -ENODEV;
 	}
 
-#ifdef CONFIG_STM32_MEMMAP
-	/* If MemoryMapped then configure skip init */
-	if (stm32_ospi_is_memorymap(dev)) {
-		LOG_DBG("NOR init'd in MemMapped mode\n");
-		/* Force HAL instance in correct state */
-		dev_data->hospi.State = HAL_OSPI_STATE_BUSY_MEM_MAPPED;
-		return 0;
-	}
-#endif /* CONFIG_STM32_MEMMAP */
-
 #if STM32_OSPI_USE_DMA
 	/*
 	 * DMA configuration