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serial_core: Remove SUPPORT_SYSRQ ifdeffery

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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>
This commit is contained in:
Dmitry Safonov 2019-12-13 00:06:53 +00:00 committed by Greg Kroah-Hartman
parent 45896c7e6e
commit 82cfd2e62b
1 changed files with 4 additions and 10 deletions
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14
include/linux/serial_core.h
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@ -466,10 +466,7 @@ uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)
if (!IS_ENABLED(CONFIG_MAGIC_SYSRQ_SERIAL)) if (!IS_ENABLED(CONFIG_MAGIC_SYSRQ_SERIAL))
return 0; return 0;
if (!port->has_sysrq && !IS_ENABLED(SUPPORT_SYSRQ)) if (!port->has_sysrq || !port->sysrq)
return 0;
if (!port->sysrq)
return 0; return 0;
if (ch && time_before(jiffies, port->sysrq)) { 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)) if (!IS_ENABLED(CONFIG_MAGIC_SYSRQ_SERIAL))
return 0; return 0;
if (!port->has_sysrq && !IS_ENABLED(SUPPORT_SYSRQ)) if (!port->has_sysrq || !port->sysrq)
return 0;
if (!port->sysrq)
return 0; return 0;
if (ch && time_before(jiffies, port->sysrq)) { 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; int sysrq_ch;
if (!port->has_sysrq && !IS_ENABLED(SUPPORT_SYSRQ)) { if (!port->has_sysrq) {
spin_unlock_irqrestore(&port->lock, irqflags); spin_unlock_irqrestore(&port->lock, irqflags);
return; return;
} }
@ -531,7 +525,7 @@ static inline int uart_handle_break(struct uart_port *port)
if (port->handle_break) if (port->handle_break)
port->handle_break(port); 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->cons && port->cons->index == port->line) {
if (!port->sysrq) { if (!port->sysrq) {
port->sysrq = jiffies + HZ*5; port->sysrq = jiffies + HZ*5;