On Tue, Sep 6, 2016 at 8:18 PM, Maxime Ripard
<maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote:
> Add support for the class with a single factor, N, being a multiplier.
>
> Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
> Acked-by: Chen-Yu Tsai <wens@xxxxxxxx>
> ---
[...]
> diff --git a/drivers/clk/sunxi-ng/ccu_mult.c b/drivers/clk/sunxi-ng/ccu_mult.c
> new file mode 100644
> index 000000000000..119b190c0eb5
> --- /dev/null
> +++ b/drivers/clk/sunxi-ng/ccu_mult.c
[...]
> +static int ccu_mult_set_rate(struct clk_hw *hw, unsigned long rate,
> + unsigned long parent_rate)
> +{
> + struct ccu_mult *cm = hw_to_ccu_mult(hw);
> + unsigned long flags;
> + unsigned int n;
> + u32 reg;
> +
> + ccu_mux_helper_adjust_parent_for_prediv(&cm->common, &cm->mux, -1,
> + &parent_rate);
> +
Git complains about extra whitespace here.
You can keep my ack after fixing it.
ChenYu
> + ccu_mult_find_best(parent_rate, rate, 1 << cm->mult.width, &n);
> +
> + spin_lock_irqsave(cm->common.lock, flags);
> +
> + reg = readl(cm->common.base + cm->common.reg);
> + reg &= ~GENMASK(cm->mult.width + cm->mult.shift - 1, cm->mult.shift);
> +
> + writel(reg | ((n - 1) << cm->mult.shift),
> + cm->common.base + cm->common.reg);
> +
> + spin_unlock_irqrestore(cm->common.lock, flags);
> +
> + return 0;
> +}
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
