Commit aa01a183 authored by Linus Torvalds's avatar Linus Torvalds

Merge tag 'gpio-fixes-for-v6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:
 "A reference leak fix, two fixes for using uninitialized variables and
  more drivers converted to using immutable irqchips:

   - fix a reference leak in gpio-sifive

   - fix a potential use of an uninitialized variable in core gpiolib

   - fix a potential use of an uninitialized variable in gpio-pca953x

   - make GPIO irqchips immutable in gpio-pmic-eic-sprd, gpio-eic-sprd
     and gpio-sprd"

* tag 'gpio-fixes-for-v6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpio: sifive: Fix refcount leak in sifive_gpio_probe
  gpio: sprd: Make the irqchip immutable
  gpio: pmic-eic-sprd: Make the irqchip immutable
  gpio: eic-sprd: Make the irqchip immutable
  gpio: pca953x: avoid to use uninitialized value pinctrl
  gpiolib: Fix using uninitialized lookup-flags on ACPI platforms
parents 5e9af4b4 694175cd
......@@ -91,7 +91,6 @@ enum sprd_eic_type {
struct sprd_eic {
struct gpio_chip chip;
struct irq_chip intc;
void __iomem *base[SPRD_EIC_MAX_BANK];
enum sprd_eic_type type;
spinlock_t lock;
......@@ -255,6 +254,8 @@ static void sprd_eic_irq_mask(struct irq_data *data)
default:
dev_err(chip->parent, "Unsupported EIC type.\n");
}
gpiochip_disable_irq(chip, offset);
}
static void sprd_eic_irq_unmask(struct irq_data *data)
......@@ -263,6 +264,8 @@ static void sprd_eic_irq_unmask(struct irq_data *data)
struct sprd_eic *sprd_eic = gpiochip_get_data(chip);
u32 offset = irqd_to_hwirq(data);
gpiochip_enable_irq(chip, offset);
switch (sprd_eic->type) {
case SPRD_EIC_DEBOUNCE:
sprd_eic_update(chip, offset, SPRD_EIC_DBNC_IE, 1);
......@@ -564,6 +567,15 @@ static void sprd_eic_irq_handler(struct irq_desc *desc)
chained_irq_exit(ic, desc);
}
static const struct irq_chip sprd_eic_irq = {
.name = "sprd-eic",
.irq_ack = sprd_eic_irq_ack,
.irq_mask = sprd_eic_irq_mask,
.irq_unmask = sprd_eic_irq_unmask,
.irq_set_type = sprd_eic_irq_set_type,
.flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_IMMUTABLE,
GPIOCHIP_IRQ_RESOURCE_HELPERS,
};
static int sprd_eic_probe(struct platform_device *pdev)
{
const struct sprd_eic_variant_data *pdata;
......@@ -626,15 +638,8 @@ static int sprd_eic_probe(struct platform_device *pdev)
break;
}
sprd_eic->intc.name = dev_name(&pdev->dev);
sprd_eic->intc.irq_ack = sprd_eic_irq_ack;
sprd_eic->intc.irq_mask = sprd_eic_irq_mask;
sprd_eic->intc.irq_unmask = sprd_eic_irq_unmask;
sprd_eic->intc.irq_set_type = sprd_eic_irq_set_type;
sprd_eic->intc.flags = IRQCHIP_SKIP_SET_WAKE;
irq = &sprd_eic->chip.irq;
irq->chip = &sprd_eic->intc;
gpio_irq_chip_set_chip(irq, &sprd_eic_irq);
irq->handler = handle_bad_irq;
irq->default_type = IRQ_TYPE_NONE;
irq->parent_handler = sprd_eic_irq_handler;
......
......@@ -474,6 +474,9 @@ static u8 pcal6534_recalc_addr(struct pca953x_chip *chip, int reg, int off)
case PCAL6524_DEBOUNCE:
pinctrl = ((reg & PCAL_PINCTRL_MASK) >> 1) + 0x1c;
break;
default:
pinctrl = 0;
break;
}
return pinctrl + addr + (off / BANK_SZ);
......
......@@ -47,7 +47,6 @@ enum {
/**
* struct sprd_pmic_eic - PMIC EIC controller
* @chip: the gpio_chip structure.
* @intc: the irq_chip structure.
* @map: the regmap from the parent device.
* @offset: the EIC controller's offset address of the PMIC.
* @reg: the array to cache the EIC registers.
......@@ -56,7 +55,6 @@ enum {
*/
struct sprd_pmic_eic {
struct gpio_chip chip;
struct irq_chip intc;
struct regmap *map;
u32 offset;
u8 reg[CACHE_NR_REGS];
......@@ -151,15 +149,21 @@ static void sprd_pmic_eic_irq_mask(struct irq_data *data)
{
struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
struct sprd_pmic_eic *pmic_eic = gpiochip_get_data(chip);
u32 offset = irqd_to_hwirq(data);
pmic_eic->reg[REG_IE] = 0;
pmic_eic->reg[REG_TRIG] = 0;
gpiochip_disable_irq(chip, offset);
}
static void sprd_pmic_eic_irq_unmask(struct irq_data *data)
{
struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
struct sprd_pmic_eic *pmic_eic = gpiochip_get_data(chip);
u32 offset = irqd_to_hwirq(data);
gpiochip_enable_irq(chip, offset);
pmic_eic->reg[REG_IE] = 1;
pmic_eic->reg[REG_TRIG] = 1;
......@@ -292,6 +296,17 @@ static irqreturn_t sprd_pmic_eic_irq_handler(int irq, void *data)
return IRQ_HANDLED;
}
static const struct irq_chip pmic_eic_irq_chip = {
.name = "sprd-pmic-eic",
.irq_mask = sprd_pmic_eic_irq_mask,
.irq_unmask = sprd_pmic_eic_irq_unmask,
.irq_set_type = sprd_pmic_eic_irq_set_type,
.irq_bus_lock = sprd_pmic_eic_bus_lock,
.irq_bus_sync_unlock = sprd_pmic_eic_bus_sync_unlock,
.flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_IMMUTABLE,
GPIOCHIP_IRQ_RESOURCE_HELPERS,
};
static int sprd_pmic_eic_probe(struct platform_device *pdev)
{
struct gpio_irq_chip *irq;
......@@ -338,16 +353,8 @@ static int sprd_pmic_eic_probe(struct platform_device *pdev)
pmic_eic->chip.set = sprd_pmic_eic_set;
pmic_eic->chip.get = sprd_pmic_eic_get;
pmic_eic->intc.name = dev_name(&pdev->dev);
pmic_eic->intc.irq_mask = sprd_pmic_eic_irq_mask;
pmic_eic->intc.irq_unmask = sprd_pmic_eic_irq_unmask;
pmic_eic->intc.irq_set_type = sprd_pmic_eic_irq_set_type;
pmic_eic->intc.irq_bus_lock = sprd_pmic_eic_bus_lock;
pmic_eic->intc.irq_bus_sync_unlock = sprd_pmic_eic_bus_sync_unlock;
pmic_eic->intc.flags = IRQCHIP_SKIP_SET_WAKE;
irq = &pmic_eic->chip.irq;
irq->chip = &pmic_eic->intc;
gpio_irq_chip_set_chip(irq, &pmic_eic_irq_chip);
irq->threaded = true;
ret = devm_gpiochip_add_data(&pdev->dev, &pmic_eic->chip, pmic_eic);
......
......@@ -215,6 +215,7 @@ static int sifive_gpio_probe(struct platform_device *pdev)
return -ENODEV;
}
parent = irq_find_host(irq_parent);
of_node_put(irq_parent);
if (!parent) {
dev_err(dev, "no IRQ parent domain\n");
return -ENODEV;
......
......@@ -120,6 +120,7 @@ static void sprd_gpio_irq_mask(struct irq_data *data)
u32 offset = irqd_to_hwirq(data);
sprd_gpio_update(chip, offset, SPRD_GPIO_IE, 0);
gpiochip_disable_irq(chip, offset);
}
static void sprd_gpio_irq_ack(struct irq_data *data)
......@@ -136,6 +137,7 @@ static void sprd_gpio_irq_unmask(struct irq_data *data)
u32 offset = irqd_to_hwirq(data);
sprd_gpio_update(chip, offset, SPRD_GPIO_IE, 1);
gpiochip_enable_irq(chip, offset);
}
static int sprd_gpio_irq_set_type(struct irq_data *data,
......@@ -205,13 +207,14 @@ static void sprd_gpio_irq_handler(struct irq_desc *desc)
chained_irq_exit(ic, desc);
}
static struct irq_chip sprd_gpio_irqchip = {
static const struct irq_chip sprd_gpio_irqchip = {
.name = "sprd-gpio",
.irq_ack = sprd_gpio_irq_ack,
.irq_mask = sprd_gpio_irq_mask,
.irq_unmask = sprd_gpio_irq_unmask,
.irq_set_type = sprd_gpio_irq_set_type,
.flags = IRQCHIP_SKIP_SET_WAKE,
.flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_IMMUTABLE,
GPIOCHIP_IRQ_RESOURCE_HELPERS,
};
static int sprd_gpio_probe(struct platform_device *pdev)
......@@ -245,7 +248,7 @@ static int sprd_gpio_probe(struct platform_device *pdev)
sprd_gpio->chip.direction_output = sprd_gpio_direction_output;
irq = &sprd_gpio->chip.irq;
irq->chip = &sprd_gpio_irqchip;
gpio_irq_chip_set_chip(irq, &sprd_gpio_irqchip);
irq->handler = handle_bad_irq;
irq->default_type = IRQ_TYPE_NONE;
irq->parent_handler = sprd_gpio_irq_handler;
......
......@@ -3905,8 +3905,8 @@ static struct gpio_desc *gpiod_find_and_request(struct device *consumer,
const char *label,
bool platform_lookup_allowed)
{
unsigned long lookupflags = GPIO_LOOKUP_FLAGS_DEFAULT;
struct gpio_desc *desc = ERR_PTR(-ENOENT);
unsigned long lookupflags;
int ret;
if (!IS_ERR_OR_NULL(fwnode))
......
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