Commit 49433c80 authored by Jon Hunter's avatar Jon Hunter Committed by Greg Kroah-Hartman

serial: tegra: Fix cookie used by TX channel

The DMA cookie for the RX channel is being used by the TX channel.
Therefore, fix driver to use the correct DMA cookie for the TX channel.
Signed-off-by: default avatarJon Hunter <jonathanh@nvidia.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0b0c1bdf
......@@ -410,7 +410,7 @@ static void tegra_uart_tx_dma_complete(void *args)
unsigned long flags;
unsigned int count;
dmaengine_tx_status(tup->tx_dma_chan, tup->rx_cookie, &state);
dmaengine_tx_status(tup->tx_dma_chan, tup->tx_cookie, &state);
count = tup->tx_bytes_requested - state.residue;
async_tx_ack(tup->tx_dma_desc);
spin_lock_irqsave(&tup->uport.lock, flags);
......
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