[PATCH v2 5/5] pinctrl: at91: Utilise temporary variable for struct device
From: Andy Shevchenko
Date: Mon Feb 13 2023 - 10:45:20 EST
We have a temporary variable to keep pointer to struct device.
Utilise it inside the ->probe() implementation.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/pinctrl/pinctrl-at91.c | 63 +++++++++++++++-------------------
1 file changed, 27 insertions(+), 36 deletions(-)
diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index 08f88403affb..7ada36ca64eb 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -1304,7 +1304,7 @@ static int at91_pinctrl_probe_dt(struct platform_device *pdev,
if (!np)
return -ENODEV;
- info->dev = &pdev->dev;
+ info->dev = dev;
info->ops = of_device_get_match_data(dev);
at91_pinctrl_child_count(info, np);
@@ -1324,35 +1324,30 @@ static int at91_pinctrl_probe_dt(struct platform_device *pdev,
if (ret)
return ret;
- dev_dbg(&pdev->dev, "nmux = %d\n", info->nmux);
+ dev_dbg(dev, "nmux = %d\n", info->nmux);
- dev_dbg(&pdev->dev, "mux-mask\n");
+ dev_dbg(dev, "mux-mask\n");
tmp = info->mux_mask;
for (i = 0; i < gpio_banks; i++) {
- for (j = 0; j < info->nmux; j++, tmp++) {
- dev_dbg(&pdev->dev, "%d:%d\t0x%x\n", i, j, tmp[0]);
- }
+ for (j = 0; j < info->nmux; j++, tmp++)
+ dev_dbg(dev, "%d:%d\t0x%x\n", i, j, tmp[0]);
}
- dev_dbg(&pdev->dev, "nfunctions = %d\n", info->nfunctions);
- dev_dbg(&pdev->dev, "ngroups = %d\n", info->ngroups);
- info->functions = devm_kcalloc(&pdev->dev,
- info->nfunctions,
- sizeof(struct at91_pmx_func),
- GFP_KERNEL);
+ dev_dbg(dev, "nfunctions = %d\n", info->nfunctions);
+ dev_dbg(dev, "ngroups = %d\n", info->ngroups);
+ info->functions = devm_kcalloc(dev, info->nfunctions, sizeof(*info->functions),
+ GFP_KERNEL);
if (!info->functions)
return -ENOMEM;
- info->groups = devm_kcalloc(&pdev->dev,
- info->ngroups,
- sizeof(struct at91_pin_group),
- GFP_KERNEL);
+ info->groups = devm_kcalloc(dev, info->ngroups, sizeof(*info->groups),
+ GFP_KERNEL);
if (!info->groups)
return -ENOMEM;
- dev_dbg(&pdev->dev, "nbanks = %d\n", gpio_banks);
- dev_dbg(&pdev->dev, "nfunctions = %d\n", info->nfunctions);
- dev_dbg(&pdev->dev, "ngroups = %d\n", info->ngroups);
+ dev_dbg(dev, "nbanks = %d\n", gpio_banks);
+ dev_dbg(dev, "nfunctions = %d\n", info->nfunctions);
+ dev_dbg(dev, "ngroups = %d\n", info->ngroups);
i = 0;
@@ -1376,7 +1371,7 @@ static int at91_pinctrl_probe(struct platform_device *pdev)
struct pinctrl_pin_desc *pdesc;
int ret, i, j, k;
- info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
+ info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;
@@ -1384,13 +1379,10 @@ static int at91_pinctrl_probe(struct platform_device *pdev)
if (ret)
return ret;
- at91_pinctrl_desc.name = dev_name(&pdev->dev);
+ at91_pinctrl_desc.name = dev_name(dev);
at91_pinctrl_desc.npins = gpio_banks * MAX_NB_GPIO_PER_BANK;
at91_pinctrl_desc.pins = pdesc =
- devm_kcalloc(&pdev->dev,
- at91_pinctrl_desc.npins, sizeof(*pdesc),
- GFP_KERNEL);
-
+ devm_kcalloc(dev, at91_pinctrl_desc.npins, sizeof(*pdesc), GFP_KERNEL);
if (!at91_pinctrl_desc.pins)
return -ENOMEM;
@@ -1413,8 +1405,7 @@ static int at91_pinctrl_probe(struct platform_device *pdev)
}
platform_set_drvdata(pdev, info);
- info->pctl = devm_pinctrl_register(&pdev->dev, &at91_pinctrl_desc,
- info);
+ info->pctl = devm_pinctrl_register(dev, &at91_pinctrl_desc, info);
if (IS_ERR(info->pctl))
return dev_err_probe(dev, PTR_ERR(info->pctl), "could not register AT91 pinctrl driver\n");
@@ -1423,7 +1414,7 @@ static int at91_pinctrl_probe(struct platform_device *pdev)
if (gpio_chips[i])
pinctrl_add_gpio_range(info->pctl, &gpio_chips[i]->range);
- dev_info(&pdev->dev, "initialized AT91 pinctrl driver\n");
+ dev_info(dev, "initialized AT91 pinctrl driver\n");
return 0;
}
@@ -1714,6 +1705,7 @@ static void gpio_irq_handler(struct irq_desc *desc)
static int at91_gpio_of_irq_setup(struct platform_device *pdev,
struct at91_gpio_chip *at91_gpio)
{
+ struct device *dev = &pdev->dev;
struct gpio_chip *gpiochip_prev = NULL;
struct at91_gpio_chip *prev = NULL;
struct irq_data *d = irq_get_irq_data(at91_gpio->pioc_virq);
@@ -1721,8 +1713,7 @@ static int at91_gpio_of_irq_setup(struct platform_device *pdev,
struct gpio_irq_chip *girq;
int i;
- gpio_irqchip = devm_kzalloc(&pdev->dev, sizeof(*gpio_irqchip),
- GFP_KERNEL);
+ gpio_irqchip = devm_kzalloc(dev, sizeof(*gpio_irqchip), GFP_KERNEL);
if (!gpio_irqchip)
return -ENOMEM;
@@ -1758,7 +1749,7 @@ static int at91_gpio_of_irq_setup(struct platform_device *pdev,
if (!gpiochip_prev) {
girq->parent_handler = gpio_irq_handler;
girq->num_parents = 1;
- girq->parents = devm_kcalloc(&pdev->dev, 1,
+ girq->parents = devm_kcalloc(dev, girq->num_parents,
sizeof(*girq->parents),
GFP_KERNEL);
if (!girq->parents)
@@ -1824,7 +1815,7 @@ static int at91_gpio_probe(struct platform_device *pdev)
if (irq < 0)
return irq;
- at91_chip = devm_kzalloc(&pdev->dev, sizeof(*at91_chip), GFP_KERNEL);
+ at91_chip = devm_kzalloc(dev, sizeof(*at91_chip), GFP_KERNEL);
if (!at91_chip)
return -ENOMEM;
@@ -1836,7 +1827,7 @@ static int at91_gpio_probe(struct platform_device *pdev)
at91_chip->pioc_virq = irq;
at91_chip->pioc_idx = alias_idx;
- at91_chip->clock = devm_clk_get_enabled(&pdev->dev, NULL);
+ at91_chip->clock = devm_clk_get_enabled(dev, NULL);
if (IS_ERR(at91_chip->clock))
return dev_err_probe(dev, PTR_ERR(at91_chip->clock), "failed to get clock, ignoring.\n");
@@ -1844,8 +1835,8 @@ static int at91_gpio_probe(struct platform_device *pdev)
at91_chip->id = alias_idx;
chip = &at91_chip->chip;
- chip->label = dev_name(&pdev->dev);
- chip->parent = &pdev->dev;
+ chip->label = dev_name(dev);
+ chip->parent = dev;
chip->owner = THIS_MODULE;
chip->base = alias_idx * MAX_NB_GPIO_PER_BANK;
@@ -1886,7 +1877,7 @@ static int at91_gpio_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, at91_chip);
gpio_banks = max(gpio_banks, alias_idx + 1);
- dev_info(&pdev->dev, "at address %p\n", at91_chip->regbase);
+ dev_info(dev, "at address %p\n", at91_chip->regbase);
return 0;
}
--
2.39.1