diff options
| author | David Müller (ELSOFT AG) | 2016-02-06 07:57:27 +0100 |
|---|---|---|
| committer | Tom Rini | 2016-02-08 10:24:17 -0500 |
| commit | 5a6f68d4963dcd7c7ffc8876ed6e18978cf4a03a (patch) | |
| tree | 75eda967d5a910533d32c8c62c89cfc8c2088ad1 /drivers | |
| parent | b7fbdc60abaf3224e9fca62d0c4759072bdc60ad (diff) | |
Remove unused CONFIG_HWFLOW option and associated dead code.
Signed-off-by: David Müller <d.mueller@elsoft.ch>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/serial/serial_s3c24x0.c | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/drivers/serial/serial_s3c24x0.c b/drivers/serial/serial_s3c24x0.c index 4cc94d9aa9d..fb895fd3264 100644 --- a/drivers/serial/serial_s3c24x0.c +++ b/drivers/serial/serial_s3c24x0.c @@ -65,10 +65,6 @@ DECLARE_GLOBAL_DATA_PTR; .puts = s3serial##port##_puts, \ } -#ifdef CONFIG_HWFLOW -static int hwflow; -#endif - static void _serial_setbrg(const int dev_index) { struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index); @@ -95,10 +91,6 @@ static int serial_init_dev(const int dev_index) { struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index); -#ifdef CONFIG_HWFLOW - hwflow = 0; /* turned off by default */ -#endif - /* FIFO enable, Tx/Rx FIFO clear */ writel(0x07, &uart->ufcon); writel(0x0, &uart->umcon); @@ -111,10 +103,6 @@ static int serial_init_dev(const int dev_index) */ writel(0x245, &uart->ucon); -#ifdef CONFIG_HWFLOW - writel(0x1, &uart->umcon); /* rts up */ -#endif - /* FIXME: This is sooooooooooooooooooo ugly */ #if defined(CONFIG_ARCH_GTA02_v1) || defined(CONFIG_ARCH_GTA02_v2) /* we need auto hw flow control on the gsm and gps port */ @@ -146,24 +134,6 @@ static inline int serial_getc_dev(unsigned int dev_index) return _serial_getc(dev_index); } -#ifdef CONFIG_HWFLOW -int hwflow_onoff(int on) -{ - switch (on) { - case 0: - default: - break; /* return current */ - case 1: - hwflow = 1; /* turn on */ - break; - case -1: - hwflow = 0; /* turn off */ - break; - } - return hwflow; -} -#endif - /* * Output a single byte to the serial port. */ @@ -174,11 +144,6 @@ static void _serial_putc(const char c, const int dev_index) while (!(readl(&uart->utrstat) & 0x2)) /* wait for room in the tx FIFO */ ; -#ifdef CONFIG_HWFLOW - while (hwflow && !(readl(&uart->umstat) & 0x1)) - /* Wait for CTS up */ ; -#endif - writeb(c, &uart->utxh); /* If \n, also do \r */ |