lkml.org 
[lkml]   [2022]   [Nov]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v6 10/14] serial: liteuart: separate rx loop from poll timer
Date
Convert the rx loop into its own dedicated function, and (for now)
call it from the poll timer. This is in preparation for adding irq
support to the receive path.

Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
drivers/tty/serial/liteuart.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/tty/serial/liteuart.c b/drivers/tty/serial/liteuart.c
index 62bfd2ed9051..ab6837f3e40d 100644
--- a/drivers/tty/serial/liteuart.c
+++ b/drivers/tty/serial/liteuart.c
@@ -68,10 +68,8 @@ static struct uart_driver liteuart_driver = {
#endif
};

-static void liteuart_timer(struct timer_list *t)
+static void liteuart_rx_chars(struct uart_port *port)
{
- struct liteuart_port *uart = from_timer(uart, t, timer);
- struct uart_port *port = &uart->port;
unsigned char __iomem *membase = port->membase;
u8 ch;

@@ -88,6 +86,14 @@ static void liteuart_timer(struct timer_list *t)
}

tty_flip_buffer_push(&port->state->port);
+}
+
+static void liteuart_timer(struct timer_list *t)
+{
+ struct liteuart_port *uart = from_timer(uart, t, timer);
+ struct uart_port *port = &uart->port;
+
+ liteuart_rx_chars(port);

mod_timer(&uart->timer, jiffies + uart_poll_timeout(port));
}
--
2.38.1
\
 
 \ /
  Last update: 2022-11-23 14:27    [W:0.106 / U:0.240 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site