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-rw-r--r--drivers/tty/serial/sunsu.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/tty/serial/sunsu.c b/drivers/tty/serial/sunsu.c
index 319e5ceb6130..12c2468f2b0e 100644
--- a/drivers/tty/serial/sunsu.c
+++ b/drivers/tty/serial/sunsu.c
@@ -466,12 +466,8 @@ static irqreturn_t sunsu_serial_interrupt(int irq, void *dev_id)
if (status & UART_LSR_THRE)
transmit_chars(up);
- spin_unlock_irqrestore(&up->port.lock, flags);
-
tty_flip_buffer_push(&up->port.state->port);
- spin_lock_irqsave(&up->port.lock, flags);
-
} while (!(serial_in(up, UART_IIR) & UART_IIR_NO_INT));
spin_unlock_irqrestore(&up->port.lock, flags);