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Subject[PATCH v1 16/19] pinctrl: st: Convert to use dev_err_probe()
Date
It's fine to call dev_err_probe() in ->probe() when error code is known.
Convert the driver to use dev_err_probe().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/pinctrl/pinctrl-st.c | 30 ++++++++++--------------------
1 file changed, 10 insertions(+), 20 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c
index bccde0b8f012..9cb0da88b098 100644
--- a/drivers/pinctrl/pinctrl-st.c
+++ b/drivers/pinctrl/pinctrl-st.c
@@ -1255,10 +1255,8 @@ static int st_pctl_parse_functions(struct device_node *np,
func = &info->functions[index];
func->name = np->name;
func->ngroups = of_get_child_count(np);
- if (func->ngroups == 0) {
- dev_err(dev, "No groups defined\n");
- return -EINVAL;
- }
+ if (func->ngroups == 0)
+ return dev_err_probe(dev, -EINVAL, "No groups defined\n");
func->groups = devm_kcalloc(dev, func->ngroups, sizeof(*func->groups), GFP_KERNEL);
if (!func->groups)
return -ENOMEM;
@@ -1555,10 +1553,8 @@ static int st_gpiolib_register_bank(struct st_pinctrl *info,

skip_irq:
err = gpiochip_add_data(&bank->gpio_chip, bank);
- if (err) {
- dev_err(dev, "Failed to add gpiochip(%d)!\n", bank_num);
- return err;
- }
+ if (err)
+ return dev_err_probe(dev, err, "Failed to add gpiochip(%d)!\n", bank_num);
dev_info(dev, "%s bank added.\n", range->name);

return 0;
@@ -1585,10 +1581,8 @@ static int st_pctl_probe_dt(struct platform_device *pdev,
int irq = 0;

st_pctl_dt_child_count(info, np);
- if (!info->nbanks) {
- dev_err(dev, "you need at least one gpio bank\n");
- return -EINVAL;
- }
+ if (!info->nbanks)
+ return dev_err_probe(dev, -EINVAL, "you need at least one gpio bank\n");

dev_info(dev, "nbanks = %d\n", info->nbanks);
dev_info(dev, "nfunctions = %d\n", info->nfunctions);
@@ -1604,10 +1598,8 @@ static int st_pctl_probe_dt(struct platform_device *pdev,
return -ENOMEM;

info->regmap = syscon_regmap_lookup_by_phandle(np, "st,syscfg");
- if (IS_ERR(info->regmap)) {
- dev_err(dev, "No syscfg phandle specified\n");
- return PTR_ERR(info->regmap);
- }
+ if (IS_ERR(info->regmap))
+ return dev_err_probe(dev, PTR_ERR(info->regmap), "No syscfg phandle specified\n");
info->data = of_match_node(st_pctl_of_match, np)->data;

irq = platform_get_irq(pdev, 0);
@@ -1695,10 +1687,8 @@ static int st_pctl_probe(struct platform_device *pdev)
pctl_desc->name = dev_name(dev);

info->pctl = devm_pinctrl_register(dev, pctl_desc, info);
- if (IS_ERR(info->pctl)) {
- dev_err(dev, "Failed pinctrl registration\n");
- return PTR_ERR(info->pctl);
- }
+ if (IS_ERR(info->pctl))
+ return dev_err_probe(dev, PTR_ERR(info->pctl), "Failed pinctrl registration\n");

for (i = 0; i < info->nbanks; i++)
pinctrl_add_gpio_range(info->pctl, &info->banks[i].range);
--
2.33.0
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