serial_core: Remove SUPPORT_SYSRQ ifdeffery

No one defines it anymore.

Signed-off-by: Dmitry Safonov <dima@arista.com>
Link: https://lore.kernel.org/r/20191213000657.931618-55-dima@arista.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 5f761c399282b5d24b91c4e068340162627fd758..9cf1682dc580da2aa049bb51f4e6c5be7a01fd5a 100644 (file)
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -466,10 +466,7 @@ uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)
        if (!IS_ENABLED(CONFIG_MAGIC_SYSRQ_SERIAL))
                return 0;
 
-       if (!port->has_sysrq && !IS_ENABLED(SUPPORT_SYSRQ))
-               return 0;
-
-       if (!port->sysrq)
+       if (!port->has_sysrq || !port->sysrq)
                return 0;
 
        if (ch && time_before(jiffies, port->sysrq)) {
@@ -487,10 +484,7 @@ uart_prepare_sysrq_char(struct uart_port *port, unsigned int ch)
        if (!IS_ENABLED(CONFIG_MAGIC_SYSRQ_SERIAL))
                return 0;
 
-       if (!port->has_sysrq && !IS_ENABLED(SUPPORT_SYSRQ))
-               return 0;
-
-       if (!port->sysrq)
+       if (!port->has_sysrq || !port->sysrq)
                return 0;
 
        if (ch && time_before(jiffies, port->sysrq)) {
@@ -507,7 +501,7 @@ uart_unlock_and_check_sysrq(struct uart_port *port, unsigned long irqflags)
 {
        int sysrq_ch;
 
-       if (!port->has_sysrq && !IS_ENABLED(SUPPORT_SYSRQ)) {
+       if (!port->has_sysrq) {
                spin_unlock_irqrestore(&port->lock, irqflags);
                return;
        }
@@ -531,7 +525,7 @@ static inline int uart_handle_break(struct uart_port *port)
        if (port->handle_break)
                port->handle_break(port);
 
-       if (port->has_sysrq || IS_ENABLED(SUPPORT_SYSRQ)) {
+       if (port->has_sysrq) {
                if (port->cons && port->cons->index == port->line) {
                        if (!port->sysrq) {
                                port->sysrq = jiffies + HZ*5;