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

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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: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2016-11-08 10:58:32 +01:00
parent 27b12b4e58
commit 54e247211f
1 changed files with 20 additions and 23 deletions
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43
drivers/soc/tegra/pmc.c
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@ -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 @@ disable_clks:
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;
}
@ -483,13 +480,12 @@ 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",
pg->genpd.name, err);
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;
}