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Commit 54e24721 authored by Thierry Reding's avatar Thierry Reding
Browse files

soc/tegra: pmc: Clean-up I/O rail error messages 



Use pr_err() instead of dev_err() when the pmc->dev field has not been
initialized yet and add a few missing error messages as well as remove
duplicate ones.

Based on work by Jon Hunter <jonathanh@nvidia.com>.

Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 27b12b4e

drivers/soc/tegra/pmc.c

+20 −23
Original line number Diff line number Diff line
@@ -251,8 +251,6 @@ static int tegra_powergate_lookup(struct tegra_pmc *pmc, const char *name) 
			return i;

	}



	dev_err(pmc->dev, "powergate %s not found\n", name);



	return -ENODEV;

}
@@ -469,13 +467,12 @@ static int tegra_powergate_power_down(struct tegra_powergate *pg) 
static int tegra_genpd_power_on(struct generic_pm_domain *domain)

{

	struct tegra_powergate *pg = to_powergate(domain);

	struct tegra_pmc *pmc = pg->pmc;

	int err;



	err = tegra_powergate_power_up(pg, true);

	if (err)

		dev_err(pmc->dev, "failed to turn on PM domain %s: %d\n",

			pg->genpd.name, err);

		pr_err("failed to turn on PM domain %s: %d\n", pg->genpd.name,

		       err);



	return err;

}
@@ -483,12 +480,11 @@ static int tegra_genpd_power_on(struct generic_pm_domain *domain) 
static int tegra_genpd_power_off(struct generic_pm_domain *domain)

{

	struct tegra_powergate *pg = to_powergate(domain);

	struct tegra_pmc *pmc = pg->pmc;

	int err;



	err = tegra_powergate_power_down(pg);

	if (err)

		dev_err(pmc->dev, "failed to turn off PM domain %s: %d\n",

		pr_err("failed to turn off PM domain %s: %d\n",

		       pg->genpd.name, err);



	return err;
@@ -814,8 +810,7 @@ static void tegra_powergate_add(struct tegra_pmc *pmc, struct device_node *np) 


	id = tegra_powergate_lookup(pmc, np->name);

	if (id < 0) {

		dev_err(pmc->dev, "powergate lookup failed for %s: %d\n",

			np->name, id);

		pr_err("powergate lookup failed for %s: %d\n", np->name, id);

		goto free_mem;

	}
@@ -835,15 +830,13 @@ static void tegra_powergate_add(struct tegra_pmc *pmc, struct device_node *np) 


	err = tegra_powergate_of_get_clks(pg, np);

	if (err < 0) {

		dev_err(pmc->dev, "failed to get clocks for %s: %d\n",

			np->name, err);

		pr_err("failed to get clocks for %s: %d\n", np->name, err);

		goto set_available;

	}



	err = tegra_powergate_of_get_resets(pg, np, off);

	if (err < 0) {

		dev_err(pmc->dev, "failed to get resets for %s: %d\n",

			np->name, err);

		pr_err("failed to get resets for %s: %d\n", np->name, err);

		goto remove_clks;

	}
@@ -866,12 +859,12 @@ static void tegra_powergate_add(struct tegra_pmc *pmc, struct device_node *np) 


	err = of_genpd_add_provider_simple(np, &pg->genpd);

	if (err < 0) {

		dev_err(pmc->dev, "failed to add genpd provider for %s: %d\n",

			np->name, err);

		pr_err("failed to add genpd provider for %s: %d\n", np->name,

		       err);

		goto remove_resets;

	}



	dev_dbg(pmc->dev, "added power domain %s\n", pg->genpd.name);

	pr_debug("added power domain %s\n", pg->genpd.name);



	return;
@@ -940,8 +933,10 @@ static int tegra_io_pad_prepare(enum tegra_io_pad id, unsigned long *request, 
	unsigned long rate, value;



	pad = tegra_io_pad_find(pmc, id);

	if (!pad)

	if (!pad) {

		pr_err("invalid I/O pad ID %u\n", id);

		return -ENOENT;

	}



	if (pad->dpd == UINT_MAX)

		return -ENOTSUPP;
@@ -957,8 +952,10 @@ static int tegra_io_pad_prepare(enum tegra_io_pad id, unsigned long *request, 
	}



	rate = clk_get_rate(pmc->clk);

	if (!rate)

	if (!rate) {

		pr_err("failed to get clock rate\n");

		return -ENODEV;

	}



	tegra_pmc_writel(DPD_SAMPLE_ENABLE, DPD_SAMPLE);
@@ -1009,7 +1006,7 @@ int tegra_io_pad_power_enable(enum tegra_io_pad id) 


	err = tegra_io_pad_prepare(id, &request, &status, &mask);

	if (err < 0) {

		dev_err(pmc->dev, "tegra_io_pad_prepare() failed: %d\n", err);

		pr_err("failed to prepare I/O pad: %d\n", err);

		goto unlock;

	}
@@ -1017,7 +1014,7 @@ int tegra_io_pad_power_enable(enum tegra_io_pad id) 


	err = tegra_io_pad_poll(status, mask, 0, 250);

	if (err < 0) {

		dev_err(pmc->dev, "tegra_io_pad_poll() failed: %d\n", err);

		pr_err("failed to enable I/O pad: %d\n", err);

		goto unlock;

	}
@@ -1045,7 +1042,7 @@ int tegra_io_pad_power_disable(enum tegra_io_pad id) 


	err = tegra_io_pad_prepare(id, &request, &status, &mask);

	if (err < 0) {

		dev_err(pmc->dev, "tegra_io_pad_prepare() failed: %d\n", err);

		pr_err("failed to prepare I/O pad: %d\n", err);

		goto unlock;

	}
@@ -1053,7 +1050,7 @@ int tegra_io_pad_power_disable(enum tegra_io_pad id) 


	err = tegra_io_pad_poll(status, mask, mask, 250);

	if (err < 0) {

		dev_err(pmc->dev, "tegra_io_pad_poll() failed: %d\n", err);

		pr_err("failed to disable I/O pad: %d\n", err);

		goto unlock;

	}