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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:18:06 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:18:06 +0000
commit638a9e433ecd61e64761352dbec1fa4f5874c941 (patch)
treefdbff74a238d7a5a7d1cef071b7230bc064b9f25 /drivers/tty/serial/sunsu.c
parentReleasing progress-linux version 6.9.12-1~progress7.99u1. (diff)
downloadlinux-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/sunsu.c')
-rw-r--r--drivers/tty/serial/sunsu.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/tty/serial/sunsu.c b/drivers/tty/serial/sunsu.c
index c8b65f4b27..67a5fc70bb 100644
--- a/drivers/tty/serial/sunsu.c
+++ b/drivers/tty/serial/sunsu.c
@@ -396,7 +396,8 @@ receive_chars(struct uart_sunsu_port *up, unsigned char *status)
static void transmit_chars(struct uart_sunsu_port *up)
{
- struct circ_buf *xmit = &up->port.state->xmit;
+ struct tty_port *tport = &up->port.state->port;
+ unsigned char ch;
int count;
if (up->port.x_char) {
@@ -409,23 +410,23 @@ static void transmit_chars(struct uart_sunsu_port *up)
sunsu_stop_tx(&up->port);
return;
}
- if (uart_circ_empty(xmit)) {
+ if (kfifo_is_empty(&tport->xmit_fifo)) {
__stop_tx(up);
return;
}
count = up->port.fifosize;
do {
- serial_out(up, UART_TX, xmit->buf[xmit->tail]);
- uart_xmit_advance(&up->port, 1);
- if (uart_circ_empty(xmit))
+ if (!uart_fifo_get(&up->port, &ch))
break;
+
+ serial_out(up, UART_TX, ch);
} while (--count > 0);
- if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
+ if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS)
uart_write_wakeup(&up->port);
- if (uart_circ_empty(xmit))
+ if (kfifo_is_empty(&tport->xmit_fifo))
__stop_tx(up);
}