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authorAlexandre TORGUE <alexandre.torgue@st.com>2017-01-27 17:15:14 +0100
committerLinus Walleij <linus.walleij@linaro.org>2017-01-30 16:26:28 +0100
commitdca72e09e0cd50f7caa8517264f552657b671a69 (patch)
tree056e8a96747c4aaef60e1f7fb4bdf6f99940b6eb /drivers/pinctrl/stm32
parent838adb576d4a3da03d4e35a3149dc015dfeec299 (diff)
pinctrl: stm32: fix bad location of gpiochip_lock_as_irq
Move gpio lock as irq from "domain alloc" callback to "domain activate" callback. It will allow to use gpiolib sysfs correctly. Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/stm32')
-rw-r--r--drivers/pinctrl/stm32/pinctrl-stm32.c37
1 files changed, 12 insertions, 25 deletions
diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c
index c983a1e33dbe..abc405be0212 100644
--- a/drivers/pinctrl/stm32/pinctrl-stm32.c
+++ b/drivers/pinctrl/stm32/pinctrl-stm32.c
@@ -236,6 +236,15 @@ static void stm32_gpio_domain_activate(struct irq_domain *d,
struct stm32_pinctrl *pctl = dev_get_drvdata(bank->gpio_chip.parent);
regmap_field_write(pctl->irqmux[irq_data->hwirq], bank->range.id);
+ gpiochip_lock_as_irq(&bank->gpio_chip, irq_data->hwirq);
+}
+
+static void stm32_gpio_domain_deactivate(struct irq_domain *d,
+ struct irq_data *irq_data)
+{
+ struct stm32_gpio_bank *bank = d->host_data;
+
+ gpiochip_unlock_as_irq(&bank->gpio_chip, irq_data->hwirq);
}
static int stm32_gpio_domain_alloc(struct irq_domain *d,
@@ -243,11 +252,9 @@ static int stm32_gpio_domain_alloc(struct irq_domain *d,
unsigned int nr_irqs, void *data)
{
struct stm32_gpio_bank *bank = d->host_data;
- struct stm32_pinctrl *pctl = dev_get_drvdata(bank->gpio_chip.parent);
struct irq_fwspec *fwspec = data;
struct irq_fwspec parent_fwspec;
irq_hw_number_t hwirq;
- int ret;
hwirq = fwspec->param[0];
parent_fwspec.fwnode = d->parent->fwnode;
@@ -258,35 +265,15 @@ static int stm32_gpio_domain_alloc(struct irq_domain *d,
irq_domain_set_hwirq_and_chip(d, virq, hwirq, &stm32_gpio_irq_chip,
bank);
- ret = gpiochip_lock_as_irq(&bank->gpio_chip, hwirq);
- if (ret) {
- dev_err(pctl->dev, "Unable to configure STM32 %s%ld as IRQ\n",
- bank->gpio_chip.label, hwirq);
- return ret;
- }
-
- ret = irq_domain_alloc_irqs_parent(d, virq, nr_irqs, &parent_fwspec);
- if (ret)
- gpiochip_unlock_as_irq(&bank->gpio_chip, hwirq);
-
- return ret;
-}
-
-static void stm32_gpio_domain_free(struct irq_domain *d, unsigned int virq,
- unsigned int nr_irqs)
-{
- struct stm32_gpio_bank *bank = d->host_data;
- struct irq_data *data = irq_get_irq_data(virq);
-
- irq_domain_free_irqs_common(d, virq, nr_irqs);
- gpiochip_unlock_as_irq(&bank->gpio_chip, data->hwirq);
+ return irq_domain_alloc_irqs_parent(d, virq, nr_irqs, &parent_fwspec);
}
static const struct irq_domain_ops stm32_gpio_domain_ops = {
.translate = stm32_gpio_domain_translate,
.alloc = stm32_gpio_domain_alloc,
- .free = stm32_gpio_domain_free,
+ .free = irq_domain_free_irqs_common,
.activate = stm32_gpio_domain_activate,
+ .deactivate = stm32_gpio_domain_deactivate,
};
/* Pinctrl functions */