s5j/serial: fix trivial coding style issues
Fixes trivial coding style issues.
@@ -968,7 +968,9 @@ void up_lowputc(char ch)
while (1) {
/* Wait for the transmitter to be available */
while ((uart_getreg32(CONSOLE_DEV.priv, S5J_UART_UTRSTAT_OFFSET) &
- UART_UTRSTAT_TX_BUF_MASK) != UART_UTRSTAT_TX_BUF_EMPTY);
+ UART_UTRSTAT_TX_BUF_MASK) != UART_UTRSTAT_TX_BUF_EMPTY) {
+ /* Polling */
+ }
/*
* Disable interrupts so that the test and the transmission are
