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serial: core: Use uart_console() helper in SysRq code

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Use uart_console() helper in SysRq code instead of open coded variant.
This eliminates the conditional entirely for SERIAL_CORE_CONSOLE=n case.
While here, refactor the conditional to be more compact.

Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200310174337.74109-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko
2020-03-10 19:43:36 +02:00
committed by Greg Kroah-Hartman
parent b18896ff3a
commit e140ef3692
1 changed files with 5 additions and 7 deletions
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12
drivers/tty/serial/serial_core.c
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@@ -3216,14 +3216,12 @@ 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) { if (port->has_sysrq && uart_console(port)) {
if (port->cons && port->cons->index == port->line) { if (!port->sysrq) {
if (!port->sysrq) { port->sysrq = jiffies + SYSRQ_TIMEOUT;
port->sysrq = jiffies + SYSRQ_TIMEOUT; return 1;
return 1;
}
port->sysrq = 0;
} }
port->sysrq = 0;
} }
if (port->flags & UPF_SAK) if (port->flags & UPF_SAK)