drivers: console: uart_mcumgr: Skip reading FIFO during setup

Drops calling the UART FIFO read function during the setup function (when not in async mode) which could cause issues on some devices since this function is not called in an ISR. Signed-off-by: Jamie McCrae <[email protected]>
KyraLengfeld · Nov 27, 2023 · 1b364c1 · 1b364c1
1 parent 9f1b1bb
commit 1b364c1
Showing 1 changed file with 0 additions and 7 deletions.
diff --git a/drivers/console/uart_mcumgr.c b/drivers/console/uart_mcumgr.c
@@ -228,16 +228,9 @@ static void uart_mcumgr_setup(const struct device *uart)
 #else
 static void uart_mcumgr_setup(const struct device *uart)
 {
-	uint8_t c;
-
 	uart_irq_rx_disable(uart);
 	uart_irq_tx_disable(uart);
 
-	/* Drain the fifo */
-	while (uart_fifo_read(uart, &c, 1)) {
-		continue;
-	}
-
 	uart_irq_callback_set(uart, uart_mcumgr_isr);
 
 	uart_irq_rx_enable(uart);