diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/tty/serial/fsl_lpuart.c | 42 |
1 files changed, 18 insertions, 24 deletions
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 2597a877d639..8cf10d12947f 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1547,6 +1547,22 @@ static int lpuart32_startup(struct uart_port *port) return 0; } +static void lpuart_dma_shutdown(struct lpuart_port *sport) +{ + if (sport->lpuart_dma_rx_use) { + del_timer_sync(&sport->lpuart_timer); + lpuart_dma_rx_free(&sport->port); + } + + if (sport->lpuart_dma_tx_use) { + if (wait_event_interruptible(sport->dma_wait, + !sport->dma_tx_in_progress) != false) { + sport->dma_tx_in_progress = false; + dmaengine_terminate_all(sport->dma_tx_chan); + } + } +} + static void lpuart_shutdown(struct uart_port *port) { struct lpuart_port *sport = container_of(port, struct lpuart_port, port); @@ -1563,18 +1579,7 @@ static void lpuart_shutdown(struct uart_port *port) spin_unlock_irqrestore(&port->lock, flags); - if (sport->lpuart_dma_rx_use) { - del_timer_sync(&sport->lpuart_timer); - lpuart_dma_rx_free(&sport->port); - } - - if (sport->lpuart_dma_tx_use) { - if (wait_event_interruptible(sport->dma_wait, - !sport->dma_tx_in_progress) != false) { - sport->dma_tx_in_progress = false; - dmaengine_terminate_all(sport->dma_tx_chan); - } - } + lpuart_dma_shutdown(sport); } static void lpuart32_shutdown(struct uart_port *port) @@ -1594,18 +1599,7 @@ static void lpuart32_shutdown(struct uart_port *port) spin_unlock_irqrestore(&port->lock, flags); - if (sport->lpuart_dma_rx_use) { - del_timer_sync(&sport->lpuart_timer); - lpuart_dma_rx_free(&sport->port); - } - - if (sport->lpuart_dma_tx_use) { - if (wait_event_interruptible(sport->dma_wait, - !sport->dma_tx_in_progress)) { - sport->dma_tx_in_progress = false; - dmaengine_terminate_all(sport->dma_tx_chan); - } - } + lpuart_dma_shutdown(sport); } static void |