From 336447b3298c5d5cda31270af716ad67ac4c7267 Mon Sep 17 00:00:00 2001 From: Douglas Anderson Date: Tue, 30 Oct 2018 15:11:05 -0700 Subject: [PATCH] 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 Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/qcom_geni_serial.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 864c0e8aa84b8..ac001c07399b2 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -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; } -- 2.30.2