Commit 445614cc authored by Tom Rini's avatar Tom Rini
Browse files

Revert "Revert "stm32f4: fix serial output""

Due to a misunderstanding, in 698a12be we reverted changes that we in
fact wanted to keep.  So lets fix that mistake and bring the code back
to how it should have been.

This reverts commit 698a12be

Signed-off-by: default avatarTom Rini <>
parent 2e2ce6c0
......@@ -128,6 +128,9 @@ static void stm32_serial_putc(const char c)
struct stm32_serial *usart =
(struct stm32_serial *)usart_base[USART_PORT];
if (c == '\n')
while ((readl(&usart->sr) & USART_SR_FLAG_TXE) == 0)
writel(c, &usart->dr);
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