You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.4 KiB
52 lines
1.4 KiB
From 15f219822a30534756518cd8c4dfade95c4959c2 Mon Sep 17 00:00:00 2001
|
|
From: Lars-Peter Clausen <lars@metafoo.de>
|
|
Date: Tue, 21 Jul 2009 12:51:57 +0200
|
|
Subject: [PATCH] 110-serial.patch
|
|
|
|
---
|
|
drivers/serial/samsung.c | 19 +++++++++++++++++++
|
|
1 files changed, 19 insertions(+), 0 deletions(-)
|
|
|
|
diff --git a/drivers/serial/samsung.c b/drivers/serial/samsung.c
|
|
index bf0af79..64c35d1 100644
|
|
--- a/drivers/serial/samsung.c
|
|
+++ b/drivers/serial/samsung.c
|
|
@@ -1263,6 +1263,13 @@ module_exit(s3c24xx_serial_modexit);
|
|
#ifdef CONFIG_SERIAL_SAMSUNG_CONSOLE
|
|
|
|
static struct uart_port *cons_uart;
|
|
+static int cons_silenced;
|
|
+
|
|
+void s3c24xx_serial_console_set_silence(int silenced)
|
|
+{
|
|
+ cons_silenced = silenced;
|
|
+}
|
|
+EXPORT_SYMBOL(s3c24xx_serial_console_set_silence);
|
|
|
|
static int
|
|
s3c24xx_serial_console_txrdy(struct uart_port *port, unsigned int ufcon)
|
|
@@ -1287,9 +1294,21 @@ static void
|
|
s3c24xx_serial_console_putchar(struct uart_port *port, int ch)
|
|
{
|
|
unsigned int ufcon = rd_regl(cons_uart, S3C2410_UFCON);
|
|
+ unsigned int umcon = rd_regl(cons_uart, S3C2410_UMCON);
|
|
+
|
|
+ if (cons_silenced)
|
|
+ return;
|
|
+
|
|
+ /* If auto HW flow control enabled, temporarily turn it off */
|
|
+ if (umcon & S3C2410_UMCOM_AFC)
|
|
+ wr_regl(port, S3C2410_UMCON, (umcon & !S3C2410_UMCOM_AFC));
|
|
+
|
|
while (!s3c24xx_serial_console_txrdy(port, ufcon))
|
|
barrier();
|
|
wr_regb(cons_uart, S3C2410_UTXH, ch);
|
|
+
|
|
+ if (umcon & S3C2410_UMCOM_AFC)
|
|
+ wr_regl(port, S3C2410_UMCON, umcon);
|
|
}
|
|
|
|
static void
|
|
--
|
|
1.5.6.5
|
|
|
|
|