[PATCH 3/4] clocksource: armada-370-xp: Use the reference clock on A375 SoC

[Thomas Petazzoni]

Dear Ezequiel Garcia,

On Wed, 22 Oct 2014 10:34:43 -0300, Ezequiel Garcia wrote:

> +static void __init armada_375_timer_init(struct device_node *np)
> +{
> +	struct clk *clk;
> +
> +	clk = of_clk_get_by_name(np, "fixed");
> +	if (!IS_ERR(clk)) {
> +		clk_prepare_enable(clk);
> +		timer_clk = clk_get_rate(clk);
> +	} else {
> +
> +		/*
> +		 * This fallback is required in order to retain proper
> +		 * devicetree backwards compatibility.
> +		 */
> +		clk = of_clk_get(np, 0);
> +
> +		/* Must have at least a clock */
> +		BUG_ON(IS_ERR(clk));
> +		clk_prepare_enable(clk);
> +		timer_clk = clk_get_rate(clk) / TIMER_DIVIDER;
> +		timer25Mhz = false;
> +	}

Maybe we could re-use a bit more existing code, don't know if it makes
things clearer though:

	clk = of_clk_get_by_name(np, "fixed");
	if (!IS_ERR(clk))
		armada_xp_timer_init(np);
	else
		armada_370_timer_init(np);

Best regards,

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com