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authorLinus Torvalds <torvalds@linux-foundation.org>2023-07-22 10:14:04 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-07-22 10:14:04 -0700
commitc0842db5e52441174f347dd185bb06e841d7cfab (patch)
treeec01aead63f975c59ae6882a93c668b77dc1bfe5
parentd192f5382581d972c4ae1b4d72e0b59b34cadeb9 (diff)
parent644ee70267a934be27370f9aa618b29af7290544 (diff)
Merge tag 'gpio-fixes-for-v6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski: - fix initial value handling for output-only pins in gpio-tps68470 - fix two resource leaks in gpio-mvebu * tag 'gpio-fixes-for-v6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpio: mvebu: fix irq domain leak gpio: mvebu: Make use of devm_pwmchip_add gpio: tps68470: Make tps68470_gpio_output() always set the initial value
-rw-r--r--drivers/gpio/gpio-mvebu.c26
-rw-r--r--drivers/gpio/gpio-tps68470.c6
2 files changed, 18 insertions, 14 deletions
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index a68f682aec01..67497116ce27 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -874,7 +874,7 @@ static int mvebu_pwm_probe(struct platform_device *pdev,
spin_lock_init(&mvpwm->lock);
- return pwmchip_add(&mvpwm->chip);
+ return devm_pwmchip_add(dev, &mvpwm->chip);
}
#ifdef CONFIG_DEBUG_FS
@@ -1112,6 +1112,13 @@ static int mvebu_gpio_probe_syscon(struct platform_device *pdev,
return 0;
}
+static void mvebu_gpio_remove_irq_domain(void *data)
+{
+ struct irq_domain *domain = data;
+
+ irq_domain_remove(domain);
+}
+
static int mvebu_gpio_probe(struct platform_device *pdev)
{
struct mvebu_gpio_chip *mvchip;
@@ -1243,17 +1250,21 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
if (!mvchip->domain) {
dev_err(&pdev->dev, "couldn't allocate irq domain %s (DT).\n",
mvchip->chip.label);
- err = -ENODEV;
- goto err_pwm;
+ return -ENODEV;
}
+ err = devm_add_action_or_reset(&pdev->dev, mvebu_gpio_remove_irq_domain,
+ mvchip->domain);
+ if (err)
+ return err;
+
err = irq_alloc_domain_generic_chips(
mvchip->domain, ngpios, 2, np->name, handle_level_irq,
IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_LEVEL, 0, 0);
if (err) {
dev_err(&pdev->dev, "couldn't allocate irq chips %s (DT).\n",
mvchip->chip.label);
- goto err_domain;
+ return err;
}
/*
@@ -1293,13 +1304,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
}
return 0;
-
-err_domain:
- irq_domain_remove(mvchip->domain);
-err_pwm:
- pwmchip_remove(&mvchip->mvpwm->chip);
-
- return err;
}
static struct platform_driver mvebu_gpio_driver = {
diff --git a/drivers/gpio/gpio-tps68470.c b/drivers/gpio/gpio-tps68470.c
index aaddcabe9b35..532deaddfd4e 100644
--- a/drivers/gpio/gpio-tps68470.c
+++ b/drivers/gpio/gpio-tps68470.c
@@ -91,13 +91,13 @@ static int tps68470_gpio_output(struct gpio_chip *gc, unsigned int offset,
struct tps68470_gpio_data *tps68470_gpio = gpiochip_get_data(gc);
struct regmap *regmap = tps68470_gpio->tps68470_regmap;
+ /* Set the initial value */
+ tps68470_gpio_set(gc, offset, value);
+
/* rest are always outputs */
if (offset >= TPS68470_N_REGULAR_GPIO)
return 0;
- /* Set the initial value */
- tps68470_gpio_set(gc, offset, value);
-
return regmap_update_bits(regmap, TPS68470_GPIO_CTL_REG_A(offset),
TPS68470_GPIO_MODE_MASK,
TPS68470_GPIO_MODE_OUT_CMOS);