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serial/uart_pl011: default syslog needs to check flow control in up_putc

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default syslog needs to check flow control in up_putc(), otherwise
up_puts() will lose character if the hardware fifo is full.
This commit is contained in:
chao an 2024-09-12 13:21:41 +08:00 committed by Xiang Xiao
parent 1fe0542711
commit c19bdf204c
1 changed files with 2 additions and 0 deletions
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drivers/serial/uart_pl011.c
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@ -661,6 +661,8 @@ static void pl011_send(FAR struct uart_dev_s *dev, int ch)
FAR struct pl011_uart_port_s *sport = dev->priv;
FAR const struct pl011_config *config = &sport->config;
while (!pl011_irq_tx_ready(sport));
config->uart->dr = ch;
}