Hello.
On 12/25/2012 01:26 PM, Barry Song wrote:
> From: Barry Song <Baohua.Song@xxxxxxx>
> The fast lookup table to set baudrate is only right when ioclk
> is 150MHz. for most platforms, ioclk is 150MHz, but some boards
> might set ioclk to other frequency.
> so re-calc the clk_div_reg when ioclk is not 150MHz.
> Signed-off-by: Barry Song <Baohua.Song@xxxxxxx>
> ---
> drivers/tty/serial/sirfsoc_uart.c | 18 +++++++++++++-----
> 1 files changed, 13 insertions(+), 5 deletions(-)
> diff --git a/drivers/tty/serial/sirfsoc_uart.c b/drivers/tty/serial/sirfsoc_uart.c
> index 142217c..fe28b1f 100644
> --- a/drivers/tty/serial/sirfsoc_uart.c
> +++ b/drivers/tty/serial/sirfsoc_uart.c
> @@ -375,7 +375,12 @@ static void sirfsoc_uart_set_termios(struct uart_port *port,
> int threshold_div;
> int temp;
>
> - ioclk_rate = 150000000;
> + struct clk *clk = clk_get_sys("io", NULL);
Please keep the coding style and insert emoty line here; you can also remove
preceding empty line (not to break the declaration block).
> + BUG_ON(IS_ERR(clk));
> +
> + ioclk_rate = clk_get_rate(clk);
> + clk_put(clk);
> +
> switch (termios->c_cflag & CSIZE) {
> default:
> case CS8:
WBR, Sergei
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