Hi, El 21/06/14 10:56, Chen-Yu Tsai escribió:
On Mon, Jun 16, 2014 at 11:50 AM, Emilio López <emilio@xxxxxxxxxxxxx> wrote:Currently, DMA properties on the DT are ignored when using the 8250_dw driver. With this patch, DMA will be used when available. Signed-off-by: Emilio López <emilio@xxxxxxxxxxxxx> --- drivers/tty/serial/8250/8250_dw.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index ed31135..f75c0bf 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -222,6 +222,8 @@ static int dw8250_probe_of(struct uart_port *p, struct dw8250_data *data) { struct device_node *np = p->dev->of_node; + struct uart_8250_port *up = container_of(p, struct uart_8250_port, + port); u32 val; bool has_ucv = true; @@ -254,11 +256,14 @@ static int dw8250_probe_of(struct uart_port *p, } } if (has_ucv) - dw8250_setup_port(container_of(p, struct uart_8250_port, port)); + dw8250_setup_port(up); if (!of_property_read_u32(np, "reg-shift", &val)) p->regshift = val; + if (of_get_property(np, "dmas", NULL)) + up->dma = &data->dma; +I suggest adding a comment here. Looking just at the patch, it's not very intuitive. But otherwise the patch looks good.
Sure, I can do that Thanks! Emilio -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
