On Tue, Aug 12, 2014 at 04:12:16PM +0200, Matthias Brugger wrote:
> The device has a highspeed register which influences the calcualtion of the
> divisor. The chip lacks support for some baudrates. When requested, we set the
> divisor to the next smaller baudrate and adjust the c_cflag accordingly.
[...]
> +static int mtk8250_probe_of(struct platform_device *pdev, struct uart_port
> *p,
> +struct mtk8250_data *data)
> +{
> + int err;
> + struct device_node *np = pdev->dev.of_node;
> +
> + data->clk = of_clk_get(np, 0);
> + if (IS_ERR(data->clk)) {
> +
The device has a highspeed register which influences the calcualtion of the
divisor. The chip lacks support for some baudrates. When requested, we set the
divisor to the next smaller baudrate and adjust the c_cflag accordingly.
Signed-off-by: Matthias Brugger
---
drivers/tty/serial/8250/8250_mtk
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