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 --- As well as the previous patch, please, apply after the s3c64xx / smdk6400 support is merged in.
diff --git a/drivers/serial/s3c64xx.c b/drivers/serial/s3c64xx.c index ea6eb4b..9d8fcb9 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 */