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| author | Robert Baldyga <r.baldyga@samsung.com> | 2015-01-28 14:44:23 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-02-02 10:11:28 -0800 |
| commit | ba019a3e2ad53dcc56f3c0b15e1061b77129b63d (patch) | |
| tree | db3bd2a4eb478737ff1a265b4951439d88920606 | |
| parent | 632f32e2107d37598e3f6816dcf00c7cab4081ca (diff) | |
| download | lwn-ba019a3e2ad53dcc56f3c0b15e1061b77129b63d.tar.gz lwn-ba019a3e2ad53dcc56f3c0b15e1061b77129b63d.zip | |
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>
| -rw-r--r-- | drivers/tty/serial/samsung.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c index a6bef8dcdc3c..236abae97613 100644 --- a/drivers/tty/serial/samsung.c +++ b/drivers/tty/serial/samsung.c @@ -358,15 +358,8 @@ 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) { |