diff options
Diffstat (limited to 'drivers/gpio/gpio-thunderx.c')
| -rw-r--r-- | drivers/gpio/gpio-thunderx.c | 45 |
1 files changed, 28 insertions, 17 deletions
diff --git a/drivers/gpio/gpio-thunderx.c b/drivers/gpio/gpio-thunderx.c index cc62c6e64103..be96853063ba 100644 --- a/drivers/gpio/gpio-thunderx.c +++ b/drivers/gpio/gpio-thunderx.c @@ -14,6 +14,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> +#include <linux/property.h> #include <linux/spinlock.h> #define GPIO_RX_DAT 0x0 @@ -115,8 +116,8 @@ static int thunderx_gpio_dir_in(struct gpio_chip *chip, unsigned int line) return 0; } -static void thunderx_gpio_set(struct gpio_chip *chip, unsigned int line, - int value) +static int thunderx_gpio_set(struct gpio_chip *chip, unsigned int line, + int value) { struct thunderx_gpio *txgpio = gpiochip_get_data(chip); int bank = line / 64; @@ -126,6 +127,8 @@ static void thunderx_gpio_set(struct gpio_chip *chip, unsigned int line, (bank * GPIO_2ND_BANK) + (value ? GPIO_TX_SET : GPIO_TX_CLR); writeq(BIT_ULL(bank_bit), reg); + + return 0; } static int thunderx_gpio_dir_out(struct gpio_chip *chip, unsigned int line, @@ -268,9 +271,9 @@ static int thunderx_gpio_get(struct gpio_chip *chip, unsigned int line) return masked_bits != 0; } -static void thunderx_gpio_set_multiple(struct gpio_chip *chip, - unsigned long *mask, - unsigned long *bits) +static int thunderx_gpio_set_multiple(struct gpio_chip *chip, + unsigned long *mask, + unsigned long *bits) { int bank; u64 set_bits, clear_bits; @@ -282,6 +285,8 @@ static void thunderx_gpio_set_multiple(struct gpio_chip *chip, writeq(set_bits, txgpio->register_base + (bank * GPIO_2ND_BANK) + GPIO_TX_SET); writeq(clear_bits, txgpio->register_base + (bank * GPIO_2ND_BANK) + GPIO_TX_CLR); } + + return 0; } static void thunderx_gpio_irq_ack(struct irq_data *d) @@ -354,16 +359,22 @@ static int thunderx_gpio_irq_set_type(struct irq_data *d, return IRQ_SET_MASK_OK; } -static void thunderx_gpio_irq_enable(struct irq_data *data) +static void thunderx_gpio_irq_enable(struct irq_data *d) { - irq_chip_enable_parent(data); - thunderx_gpio_irq_unmask(data); + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + + gpiochip_enable_irq(gc, irqd_to_hwirq(d)); + irq_chip_enable_parent(d); + thunderx_gpio_irq_unmask(d); } -static void thunderx_gpio_irq_disable(struct irq_data *data) +static void thunderx_gpio_irq_disable(struct irq_data *d) { - thunderx_gpio_irq_mask(data); - irq_chip_disable_parent(data); + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + + thunderx_gpio_irq_mask(d); + irq_chip_disable_parent(d); + gpiochip_disable_irq(gc, irqd_to_hwirq(d)); } /* @@ -372,7 +383,7 @@ static void thunderx_gpio_irq_disable(struct irq_data *data) * semantics and other acknowledgment tasks associated with the GPIO * mechanism. */ -static struct irq_chip thunderx_gpio_irq_chip = { +static const struct irq_chip thunderx_gpio_irq_chip = { .name = "GPIO", .irq_enable = thunderx_gpio_irq_enable, .irq_disable = thunderx_gpio_irq_disable, @@ -383,8 +394,8 @@ static struct irq_chip thunderx_gpio_irq_chip = { .irq_eoi = irq_chip_eoi_parent, .irq_set_affinity = irq_chip_set_affinity_parent, .irq_set_type = thunderx_gpio_irq_set_type, - - .flags = IRQCHIP_SET_TYPE_MASKED + .flags = IRQCHIP_SET_TYPE_MASKED | IRQCHIP_IMMUTABLE, + GPIOCHIP_IRQ_RESOURCE_HELPERS, }; static int thunderx_gpio_child_to_parent_hwirq(struct gpio_chip *gc, @@ -526,8 +537,8 @@ static int thunderx_gpio_probe(struct pci_dev *pdev, chip->set_multiple = thunderx_gpio_set_multiple; chip->set_config = thunderx_gpio_set_config; girq = &chip->irq; - girq->chip = &thunderx_gpio_irq_chip; - girq->fwnode = of_node_to_fwnode(dev->of_node); + gpio_irq_chip_set_chip(girq, &thunderx_gpio_irq_chip); + girq->fwnode = dev_fwnode(dev); girq->parent_domain = irq_get_irq_data(txgpio->msix_entries[0].vector)->domain; girq->child_to_parent_hwirq = thunderx_gpio_child_to_parent_hwirq; @@ -543,7 +554,7 @@ static int thunderx_gpio_probe(struct pci_dev *pdev, for (i = 0; i < ngpio; i++) { struct irq_fwspec fwspec; - fwspec.fwnode = of_node_to_fwnode(dev->of_node); + fwspec.fwnode = dev_fwnode(dev); fwspec.param_count = 2; fwspec.param[0] = i; fwspec.param[1] = IRQ_TYPE_NONE; |