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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:18:06 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:18:06 +0000 |
| commit | 638a9e433ecd61e64761352dbec1fa4f5874c941 (patch) | |
| tree | fdbff74a238d7a5a7d1cef071b7230bc064b9f25 /drivers/tty/serial/meson_uart.c | |
| parent | Releasing progress-linux version 6.9.12-1~progress7.99u1. (diff) | |
| download | linux-638a9e433ecd61e64761352dbec1fa4f5874c941.tar.xz linux-638a9e433ecd61e64761352dbec1fa4f5874c941.zip | |
Merging upstream version 6.10.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/tty/serial/meson_uart.c')
| -rw-r--r-- | drivers/tty/serial/meson_uart.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c index 6feac459c0..8eb586ac3b 100644 --- a/drivers/tty/serial/meson_uart.c +++ b/drivers/tty/serial/meson_uart.c @@ -141,8 +141,8 @@ static void meson_uart_shutdown(struct uart_port *port) static void meson_uart_start_tx(struct uart_port *port) { - struct circ_buf *xmit = &port->state->xmit; - unsigned int ch; + struct tty_port *tport = &port->state->port; + unsigned char ch; u32 val; if (uart_tx_stopped(port)) { @@ -158,21 +158,19 @@ static void meson_uart_start_tx(struct uart_port *port) continue; } - if (uart_circ_empty(xmit)) + if (!uart_fifo_get(port, &ch)) break; - ch = xmit->buf[xmit->tail]; writel(ch, port->membase + AML_UART_WFIFO); - uart_xmit_advance(port, 1); } - if (!uart_circ_empty(xmit)) { + if (!kfifo_is_empty(&tport->xmit_fifo)) { val = readl(port->membase + AML_UART_CONTROL); val |= AML_UART_TX_INT_EN; writel(val, port->membase + AML_UART_CONTROL); } - if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) + if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) uart_write_wakeup(port); } |