tty: xuartps: Keep lock for whole ISR

The RX path in the interrupt handler released a lock unnecessarily. Signed-off-by: Soren Brinkmann <[email protected]> Reviewed-by: Peter Hurley <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
klaby · Feb 7, 2016 · 4c0b92e · 4c0b92e
1 parent 6e14f7c
commit 4c0b92e
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
@@ -265,9 +265,7 @@ static irqreturn_t cdns_uart_isr(int irq, void *dev_id)
 			uart_insert_char(port, isrstatus, CDNS_UART_IXR_OVERRUN,
 					data, status);
 		}
-		spin_unlock(&port->lock);
 		tty_flip_buffer_push(&port->state->port);
-		spin_lock(&port->lock);
 	}
 
 	/* Dispatch an appropriate handler */