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uart_pl011: "pl011_irq_tx_ready" and "pl011_txready" is reversed.
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The implementation logic of "pl011_irq_tx_ready"
and "pl011_txready" is reversed.

Signed-off-by: hujun5 <hujun5@xiaomi.com>
This commit is contained in:
hujun5
2025-01-26 17:18:21 +08:00
committed by GUIDINGLI
parent d4c904d949
commit 6088f6216b
1 changed files with 13 additions and 13 deletions
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26
drivers/serial/uart_pl011.c
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@@ -594,13 +594,18 @@ static int pl011_irq_tx_complete(FAR const struct pl011_uart_port_s *sport)
return config->uart->fr & PL011_FR_TXFE;
}
static int pl011_irq_tx_ready(const struct pl011_uart_port_s *sport)
static int pl011_irq_tx_ready(FAR const struct pl011_uart_port_s *sport)
{
const struct pl011_config *config = &sport->config;
FAR const struct pl011_config *config = &sport->config;
FAR const struct pl011_data *data = &sport->data;
/* check for TX FIFO not full */
if (!data->sbsa && !(config->uart->cr & PL011_CR_TXE))
{
return false;
}
return ((config->uart->fr & PL011_FR_TXFF) == 0);
return (config->uart->imsc & PL011_IMSC_TXIM) &&
(!(config->uart->fr & PL011_FR_TXFF));
}
static int pl011_irq_rx_ready(FAR const struct pl011_uart_port_s *sport)
@@ -629,15 +634,10 @@ static bool pl011_txready(FAR struct uart_dev_s *dev)
{
FAR struct pl011_uart_port_s *sport = dev->priv;
FAR const struct pl011_config *config = &sport->config;
FAR struct pl011_data *data = &sport->data;
if (!data->sbsa && !(config->uart->cr & PL011_CR_TXE))
{
return false;
}
/* check for TX FIFO not full */
return (config->uart->imsc & PL011_IMSC_TXIM) &&
pl011_irq_tx_ready(sport);
return ((config->uart->fr & PL011_FR_TXFF) == 0);
}
/***************************************************************************
@@ -668,7 +668,7 @@ 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));
while (!pl011_txready(dev));
config->uart->dr = ch;
}
@@ -837,7 +837,7 @@ static int pl011_irq_handler(int irq, FAR void *context, FAR void *arg)
uart_recvchars(dev);
}
if (pl011_txready(dev))
if (pl011_irq_tx_ready(sport))
{
uart_xmitchars(dev);
}