diff options
| author | Heikki Krogerus <heikki.krogerus@linux.intel.com> | 2014-09-11 16:26:12 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-09-29 05:35:56 +0400 |
| commit | 716e115cd7f75e3ab717f467432fd4b8cd23ee2c (patch) | |
| tree | ffcd289d2299fa5931438ed3be9122468361b02b /drivers/tty/serial | |
| parent | 6fa62fc46e10f34aed70d2cfcf573ba8d3833e18 (diff) | |
| download | linux-716e115cd7f75e3ab717f467432fd4b8cd23ee2c.tar.xz | |
serial: 8250_pci: remove rts_n override from Baytrail quirk
It should not be used together with Auto Flow Control, and
Auto Flow Control is always enabled on Baytrail.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial')
| -rw-r--r-- | drivers/tty/serial/8250/8250_pci.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index 14d3e6be8800..4f1cd296f1b1 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -1355,9 +1355,6 @@ ce4100_serial_setup(struct serial_private *priv, #define BYT_PRV_CLK_N_VAL_SHIFT 16 #define BYT_PRV_CLK_UPDATE (1 << 31) -#define BYT_GENERAL_REG 0x808 -#define BYT_GENERAL_DIS_RTS_N_OVERRIDE (1 << 3) - #define BYT_TX_OVF_INT 0x820 #define BYT_TX_OVF_INT_MASK (1 << 1) @@ -1412,16 +1409,6 @@ byt_set_termios(struct uart_port *p, struct ktermios *termios, reg |= BYT_PRV_CLK_EN | BYT_PRV_CLK_UPDATE; writel(reg, p->membase + BYT_PRV_CLK); - /* - * If auto-handshake mechanism is not enabled, - * disable rts_n override - */ - reg = readl(p->membase + BYT_GENERAL_REG); - reg &= ~BYT_GENERAL_DIS_RTS_N_OVERRIDE; - if (termios->c_cflag & CRTSCTS) - reg |= BYT_GENERAL_DIS_RTS_N_OVERRIDE; - writel(reg, p->membase + BYT_GENERAL_REG); - serial8250_do_set_termios(p, termios, old); } |