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path: root/drivers/gpio/gpio-pcie-idio-24.c
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Diffstat (limited to 'drivers/gpio/gpio-pcie-idio-24.c')
-rw-r--r--drivers/gpio/gpio-pcie-idio-24.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/gpio/gpio-pcie-idio-24.c b/drivers/gpio/gpio-pcie-idio-24.c
index 8a9b98fa418f..463c0613abb9 100644
--- a/drivers/gpio/gpio-pcie-idio-24.c
+++ b/drivers/gpio/gpio-pcie-idio-24.c
@@ -3,15 +3,6 @@
* GPIO driver for the ACCES PCIe-IDIO-24 family
* Copyright (C) 2018 William Breathitt Gray
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
* This driver supports the following ACCES devices: PCIe-IDIO-24,
* PCIe-IDI-24, PCIe-IDO-24, and PCIe-IDIO-12.
*/
@@ -396,6 +387,8 @@ static void idio_24_irq_mask(struct irq_data *data)
}
raw_spin_unlock_irqrestore(&idio24gpio->lock, flags);
+
+ gpiochip_disable_irq(chip, irqd_to_hwirq(data));
}
static void idio_24_irq_unmask(struct irq_data *data)
@@ -408,6 +401,8 @@ static void idio_24_irq_unmask(struct irq_data *data)
const unsigned long bank_offset = bit_offset / 8;
unsigned char cos_enable_state;
+ gpiochip_enable_irq(chip, irqd_to_hwirq(data));
+
raw_spin_lock_irqsave(&idio24gpio->lock, flags);
prev_irq_mask = idio24gpio->irq_mask >> bank_offset * 8;
@@ -437,12 +432,14 @@ static int idio_24_irq_set_type(struct irq_data *data, unsigned int flow_type)
return 0;
}
-static struct irq_chip idio_24_irqchip = {
+static const struct irq_chip idio_24_irqchip = {
.name = "pcie-idio-24",
.irq_ack = idio_24_irq_ack,
.irq_mask = idio_24_irq_mask,
.irq_unmask = idio_24_irq_unmask,
- .irq_set_type = idio_24_irq_set_type
+ .irq_set_type = idio_24_irq_set_type,
+ .flags = IRQCHIP_IMMUTABLE,
+ GPIOCHIP_IRQ_RESOURCE_HELPERS,
};
static irqreturn_t idio_24_irq_handler(int irq, void *dev_id)
@@ -535,7 +532,7 @@ static int idio_24_probe(struct pci_dev *pdev, const struct pci_device_id *id)
idio24gpio->chip.set_multiple = idio_24_gpio_set_multiple;
girq = &idio24gpio->chip.irq;
- girq->chip = &idio_24_irqchip;
+ gpio_irq_chip_set_chip(girq, &idio_24_irqchip);
/* This will let us handle the parent IRQ in the driver */
girq->parent_handler = NULL;
girq->num_parents = 0;