Revert "tty/serial: Prevent drop of DCD on suspend for Tegra UARTs"

This reverts commit 9636b755da7b498094bdf15b4ce9f6fd16995e4e.

It wasn't supposed to be applied, thanks to Doug for letting me know.

Cc: Doug Anderson <dianders@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2 files changed, 0 insertions, 16 deletions

diff --git a/drivers/tty/serial/8250.c b/drivers/tty/serial/8250.c
index 2b0a4b63c5f7..eeadf1b8e093 100644
--- a/drivers/tty/serial/8250.c
+++ b/drivers/tty/serial/8250.c
@@ -308,8 +308,6 @@ static const struct serial8250_config uart_config[] = {
                 .fcr            = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_01 |
                                   UART_FCR_T_TRIG_01,
                 .flags          = UART_CAP_FIFO | UART_CAP_RTOIE,
-                .mcr_mask       = ~UART_MCR_DTR,
-                .mcr_force      = UART_MCR_DTR,
         },
         [PORT_XR17D15X] = {
                 .name           = "XR17D15X",
@@ -1231,10 +1229,6 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags)
         up->port.fifosize = uart_config[up->port.type].fifo_size;
         up->capabilities = uart_config[up->port.type].flags;
         up->tx_loadsz = uart_config[up->port.type].tx_loadsz;
-        if (!ALPHA_KLUDGE_MCR) {
-                up->mcr_mask = uart_config[up->port.type].mcr_mask;
-                up->mcr_force = uart_config[up->port.type].mcr_force;
-        }
 
         if (up->port.type == PORT_UNKNOWN)
                 goto out;
@@ -1993,10 +1987,6 @@ static int serial8250_startup(struct uart_port *port)
         up->port.fifosize = uart_config[up->port.type].fifo_size;
         up->tx_loadsz = uart_config[up->port.type].tx_loadsz;
         up->capabilities = uart_config[up->port.type].flags;
-        if (!ALPHA_KLUDGE_MCR) {
-                up->mcr_mask = uart_config[up->port.type].mcr_mask;
-                up->mcr_force = uart_config[up->port.type].mcr_force;
-        }
         up->mcr = 0;
 
         if (up->port.iotype != up->cur_iotype)
@@ -2803,10 +2793,6 @@ serial8250_init_fixed_type_port(struct uart_8250_port *up, unsigned int type)
         up->port.fifosize = uart_config[type].fifo_size;
         up->capabilities = uart_config[type].flags;
         up->tx_loadsz = uart_config[type].tx_loadsz;
-        if (!ALPHA_KLUDGE_MCR) {
-                up->mcr_mask = uart_config[type].mcr_mask;
-                up->mcr_force = uart_config[type].mcr_force;
-        }
 }
 
 static void __init
diff --git a/drivers/tty/serial/8250.h b/drivers/tty/serial/8250.h
index 1f7510051707..6edf4a6a22d4 100644
--- a/drivers/tty/serial/8250.h
+++ b/drivers/tty/serial/8250.h
@@ -35,8 +35,6 @@ struct serial8250_config {
         unsigned short  tx_loadsz;
         unsigned char   fcr;
         unsigned int    flags;
-        unsigned char   mcr_mask;
-        unsigned char   mcr_force;
 };
 
 #define UART_CAP_FIFO   (1 << 8)        /* UART has FIFO */