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S3C64XX: remove broken HWFLOW support from the serial driver

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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>
This commit is contained in:
Guennadi Liakhovetski
2008-08-31 00:39:47 +02:00
committed by Jean-Christophe PLAGNIOL-VILLARD
parent 2fb28dcf82
commit 3fe7b589f9
1 changed files with 0 additions and 21 deletions
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21
drivers/serial/s3c64xx.c
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@@ -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 */