serial: samsung: remove redundant interrupt enabling
Function s3c24xx_serial_start_tx_pio() enables interrupts if needed,
so we don't have to (or even we shouldn't) enable them before.
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index a6bef8dc..236abae 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -358,15 +358,8 @@
s3c24xx_serial_rx_disable(port);
tx_enabled(port) = 1;
- if (!ourport->dma || !ourport->dma->tx_chan) {
- if (s3c24xx_serial_has_interrupt_mask(port))
- __clear_bit(S3C64XX_UINTM_TXD,
- portaddrl(port, S3C64XX_UINTM));
- else
- enable_irq(ourport->tx_irq);
-
+ if (!ourport->dma || !ourport->dma->tx_chan)
s3c24xx_serial_start_tx_pio(ourport);
- }
}
if (ourport->dma && ourport->dma->tx_chan) {