From 3fe7b589f9c7463df39056f8872006a67f56a91c Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Sun, 31 Aug 2008 00:39:47 +0200 Subject: 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 --- drivers/serial/s3c64xx.c | 21 --------------------- 1 file changed, 21 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/s3c64xx.c b/drivers/serial/s3c64xx.c index ea6eb4b34..9d8fcb9b4 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 */ -- cgit v1.2.3