C++ (Cpp) gk20a_init_clk_setup_hw Exemples

Exemple #1

Fichier : clk_gk20a.c Projet : JamesLinus/nvgpu

static int gk20a_init_clk_support(struct gk20a *g)
{
	struct clk_gk20a *clk = &g->clk;
	u32 err;

	gk20a_dbg_fn("");

	clk->g = g;

	err = gk20a_init_clk_reset_enable_hw(g);
	if (err)
		return err;

	err = gk20a_init_clk_setup_sw(g);
	if (err)
		return err;

	mutex_lock(&clk->clk_mutex);
	clk->clk_hw_on = true;

	err = gk20a_init_clk_setup_hw(g);
	mutex_unlock(&clk->clk_mutex);
	if (err)
		return err;

	err = gk20a_clk_register_export_ops(g);
	if (err)
		return err;

	/* FIXME: this effectively prevents host level clock gating */
	err = clk_enable(g->clk.tegra_clk);
	if (err)
		return err;

	/* The prev call may not enable PLL if gbus is unbalanced - force it */
	mutex_lock(&clk->clk_mutex);
	err = set_pll_freq(g, clk->gpc_pll.freq, clk->gpc_pll.freq);
	mutex_unlock(&clk->clk_mutex);
	if (err)
		return err;

#ifdef CONFIG_DEBUG_FS
	if (!clk->debugfs_set) {
		if (!clk_gk20a_debugfs_init(g))
			clk->debugfs_set = true;
	}
#endif
	return err;
}

Exemple #2

Fichier : clk_gk20a.c Projet : Lloir/nvidia-linux-3.10

int gk20a_init_clk_support(struct gk20a *g)
{
	struct clk_gk20a *clk = &g->clk;
	u32 err;

	nvhost_dbg_fn("");

	clk->g = g;

	err = gk20a_init_clk_reset_enable_hw(g);
	if (err)
		return err;

	err = gk20a_init_clk_setup_sw(g);
	if (err)
		return err;

	mutex_lock(&clk->clk_mutex);
	clk->clk_hw_on = true;

	err = gk20a_init_clk_setup_hw(g);
	mutex_unlock(&clk->clk_mutex);
	if (err)
		return err;

	err = gk20a_clk_register_export_ops(g);
	if (err)
		return err;

	/* FIXME: this effectively prevents host level clock gating */
	err = clk_enable(g->clk.tegra_clk);
	if (err)
		return err;

	/* The prev call may not enable PLL if gbus is unbalanced - force it */
	mutex_lock(&clk->clk_mutex);
	err = set_pll_freq(g, clk->gpc_pll.freq, clk->gpc_pll.freq);
	mutex_unlock(&clk->clk_mutex);
	if (err)
		return err;

	gk20a_writel(g,
		timer_pri_timeout_r(),
		timer_pri_timeout_period_f(0x200) |
		timer_pri_timeout_en_m());

	return err;
}