Commit ba019a3e authored by Robert Baldyga's avatar Robert Baldyga Committed by Greg Kroah-Hartman

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: default avatarRobert Baldyga <r.baldyga@samsung.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 632f32e2
......@@ -358,16 +358,9 @@ void s3c24xx_serial_start_tx(struct uart_port *port)
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) {
if (!uart_circ_empty(xmit) && !ourport->tx_in_progress)
......
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