C++ (Cpp) powergate_partition_deassert_reset Beispiele

Beispiel #1

Datei: powergate-ops-t1xx.c Projekt: ChristopherLu/manifold_linux

int tegra1xx_unpowergate(int id, struct powergate_partition_info *pg_info)
{
	int ret;

	/* If first clk_ptr is null, fill clk info for the partition */
	if (!pg_info->clk_info[0].clk_ptr)
		get_clk_info(pg_info);

	if (tegra_powergate_is_powered(id))
		return tegra_powergate_reset_module(pg_info);

	ret = tegra_powergate_set(id, true);
	if (ret)
		goto err_power;

	udelay(10);

	/* Un-Powergating fails if all clks are not enabled */
	ret = partition_clk_enable(pg_info);
	if (ret)
		goto err_clk_on;

	udelay(10);

	ret = tegra_powergate_remove_clamping(id);
	if (ret)
		goto err_clamp;

	udelay(10);

	powergate_partition_deassert_reset(pg_info);

	udelay(10);

	tegra_powergate_mc_flush_done(id);

	udelay(10);

	/* Disable all clks enabled earlier. Drivers should enable clks */
	partition_clk_disable(pg_info);

	return 0;

err_clamp:
	partition_clk_disable(pg_info);
err_clk_on:
	powergate_module(id);
err_power:
	WARN(1, "Could not Un-Powergate %d", id);
	return ret;
}

Beispiel #2

Datei: powergate.c Projekt: Klozz/Grouper-3.4

int tegra_powergate_reset_module(struct powergate_partition_info *pg_info)
{
	int ret;

	powergate_partition_assert_reset(pg_info);

	udelay(10);

	ret = partition_clk_enable(pg_info);
	if (ret)
		return ret;

	udelay(10);

	powergate_partition_deassert_reset(pg_info);

	partition_clk_disable(pg_info);

	return 0;
}