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-rw-r--r--drivers/tty/serial/msm_serial_hs.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/tty/serial/msm_serial_hs.c b/drivers/tty/serial/msm_serial_hs.c
index 9f67b62cb77..5e85e1e14c4 100644
--- a/drivers/tty/serial/msm_serial_hs.c
+++ b/drivers/tty/serial/msm_serial_hs.c
@@ -1087,12 +1087,10 @@ static void msm_hs_config_port(struct uart_port *uport, int cfg_flags)
}
/* Handle CTS changes (Called from interrupt handler) */
-static void msm_hs_handle_delta_cts(struct uart_port *uport)
+static void msm_hs_handle_delta_cts_locked(struct uart_port *uport)
{
- unsigned long flags;
struct msm_hs_port *msm_uport = UARTDM_TO_MSM(uport);
- spin_lock_irqsave(&uport->lock, flags);
clk_enable(msm_uport->clk);
/* clear interrupt */
@@ -1100,7 +1098,6 @@ static void msm_hs_handle_delta_cts(struct uart_port *uport)
uport->icount.cts++;
clk_disable(msm_uport->clk);
- spin_unlock_irqrestore(&uport->lock, flags);
/* clear the IOCTL TIOCMIWAIT if called */
wake_up_interruptible(&uport->state->port.delta_msr_wait);
@@ -1248,7 +1245,7 @@ static irqreturn_t msm_hs_isr(int irq, void *dev)
/* Change in CTS interrupt */
if (isr_status & UARTDM_ISR_DELTA_CTS_BMSK)
- msm_hs_handle_delta_cts(uport);
+ msm_hs_handle_delta_cts_locked(uport);
spin_unlock_irqrestore(&uport->lock, flags);