Merge 3.12-rc3 into tty-next

We want the tty/serial fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2013-09-29 18:44:13 -07:00
230 changed files with 2352 additions and 1250 deletions

View File

@@ -667,30 +667,21 @@ static int pop_tx_x(struct eg20t_port *priv, unsigned char *buf)
static int dma_push_rx(struct eg20t_port *priv, int size)
{
struct tty_struct *tty;
int room;
struct uart_port *port = &priv->port;
struct tty_port *tport = &port->state->port;
port = &priv->port;
tty = tty_port_tty_get(tport);
if (!tty) {
dev_dbg(priv->port.dev, "%s:tty is busy now", __func__);
return 0;
}
room = tty_buffer_request_room(tport, size);
if (room < size)
dev_warn(port->dev, "Rx overrun: dropping %u bytes\n",
size - room);
if (!room)
return room;
return 0;
tty_insert_flip_string(tport, sg_virt(&priv->sg_rx), size);
port->icount.rx += room;
tty_kref_put(tty);
return room;
}
@@ -1098,6 +1089,8 @@ static void pch_uart_err_ir(struct eg20t_port *priv, unsigned int lsr)
if (tty == NULL) {
for (i = 0; error_msg[i] != NULL; i++)
dev_err(&priv->pdev->dev, error_msg[i]);
} else {
tty_kref_put(tty);
}
}