serial: 8250_dma: Switch to using tty_port
The tty buffer functions are converted to using tty_port structure instead of struct tty, so we must do the same. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -43,8 +43,9 @@ static void __dma_rx_complete(void *param)
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{
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struct uart_8250_port *p = param;
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struct uart_8250_dma *dma = p->dma;
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struct tty_struct *tty = p->port.state->port.tty;
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struct tty_port *tty_port = &p->port.state->port;
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struct dma_tx_state state;
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int count;
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dma_sync_single_for_cpu(dma->rxchan->device->dev, dma->rx_addr,
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dma->rx_size, DMA_FROM_DEVICE);
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@ -52,10 +53,12 @@ static void __dma_rx_complete(void *param)
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dmaengine_tx_status(dma->rxchan, dma->rx_cookie, &state);
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dmaengine_terminate_all(dma->rxchan);
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tty_insert_flip_string(tty, dma->rx_buf, dma->rx_size - state.residue);
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p->port.icount.rx += dma->rx_size - state.residue;
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count = dma->rx_size - state.residue;
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tty_flip_buffer_push(tty);
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tty_insert_flip_string(tty_port, dma->rx_buf, count);
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p->port.icount.rx += count;
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tty_flip_buffer_push(tty_port);
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}
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int serial8250_tx_dma(struct uart_8250_port *p)
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