From 3fe7b589f9c7463df39056f8872006a67f56a91c Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <lg@denx.de>
Date: Sun, 31 Aug 2008 00:39:47 +0200
Subject: [PATCH] S3C64XX: remove broken HWFLOW support from the serial driver
As noted by Harald Welte, HWFLOW support in the S3C64XX serial driver is
broken and currently unused. Remove it.
Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
---
drivers/serial/s3c64xx.c | 21 ---------------------
1 file changed, 21 deletions(-)
diff --git a/drivers/serial/s3c64xx.c b/drivers/serial/s3c64xx.c
index ea6eb4b34a..9d8fcb9b49 100644
--- a/drivers/serial/s3c64xx.c
+++ b/drivers/serial/s3c64xx.c
@@ -119,22 +119,6 @@ int serial_getc(void)
return uart->URXH & 0xff;
}
-#ifdef CONFIG_HWFLOW
-static int hwflow; /* turned off by default */
-int hwflow_onoff(int on)
-{
- switch (on) {
- case 1:
- hwflow = 1; /* turn on */
- break;
- case -1:
- hwflow = 0; /* turn off */
- break;
- }
- return hwflow;
-}
-#endif
-
#ifdef CONFIG_MODEM_SUPPORT
static int be_quiet;
void disable_putc(void)
@@ -164,11 +148,6 @@ void serial_putc(const char c)
/* wait for room in the tx FIFO */
while (!(uart->UTRSTAT & 0x2));
-#ifdef CONFIG_HWFLOW
- /* Wait for CTS up */
- while (hwflow && !(uart->UMSTAT & 0x1));
-#endif
-
uart->UTXH = c;
/* If \n, also do \r */
--
2.39.5