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serial: qcom_geni_serial: Process sysrq at port unlock time 

Let's take advantage of the new ("serial: core: Allow processing sysrq
at port unlock time") to handle sysrqs more cleanly.

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Douglas Anderson 2018-10-30 15:11:05 -07:00 committed by Greg Kroah-Hartman
parent d6e1935819
commit 336447b329
1 changed files with 3 additions and 4 deletions
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7
drivers/tty/serial/qcom_geni_serial.c
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@ -497,9 +497,7 @@ static int handle_rx_console(struct uart_port *uport, u32 bytes, bool drop)
continue;
}
spin_unlock(&uport->lock);
sysrq = uart_handle_sysrq_char(uport, buf[c]);
spin_lock(&uport->lock);
sysrq = uart_prepare_sysrq_char(uport, buf[c]);
if (!sysrq)
tty_insert_flip_char(tport, buf[c], TTY_NORMAL);
@ -809,7 +807,8 @@ static irqreturn_t qcom_geni_serial_isr(int isr, void *dev)
qcom_geni_serial_handle_rx(uport, drop_rx);
out_unlock:
spin_unlock_irqrestore(&uport->lock, flags);
uart_unlock_and_check_sysrq(uport, flags);
return IRQ_HANDLED;
}