redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity

serial: 8250_dma: Switch to using tty_port

Browse source 
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>
This commit is contained in:
Heikki Krogerus 2013-01-16 14:08:13 +02:00 committed by Greg Kroah-Hartman
parent 852e4a8152
commit 6f3fe3b102
1 changed files with 7 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
drivers/tty/serial/8250/8250_dma.c
View file

@ -43,8 +43,9 @@ static void __dma_rx_complete(void *param)
{
struct uart_8250_port *p = param;
struct uart_8250_dma *dma = p->dma;
struct tty_struct *tty = p->port.state->port.tty;
struct tty_port *tty_port = &p->port.state->port;
struct dma_tx_state state;
int count;
dma_sync_single_for_cpu(dma->rxchan->device->dev, dma->rx_addr,
dma->rx_size, DMA_FROM_DEVICE);
@ -52,10 +53,12 @@ static void __dma_rx_complete(void *param)
dmaengine_tx_status(dma->rxchan, dma->rx_cookie, &state);
dmaengine_terminate_all(dma->rxchan);
tty_insert_flip_string(tty, dma->rx_buf, dma->rx_size - state.residue);
p->port.icount.rx += dma->rx_size - state.residue;
count = dma->rx_size - state.residue;
tty_flip_buffer_push(tty);
tty_insert_flip_string(tty_port, dma->rx_buf, count);
p->port.icount.rx += count;
tty_flip_buffer_push(tty_port);
}
int serial8250_tx_dma(struct uart_8250_port *p)