greybus: gpio: remove unused irq-ack operation
Remove unused irq-ack operation, which has never been called and does not make sense for message-signalled interrupts over slow buses. Signed-off-by: Johan Hovold <johan@hovoldconsulting.com> Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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@ -211,21 +211,6 @@ static int gb_gpio_set_debounce_operation(struct gb_gpio_controller *ggc,
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return ret;
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}
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static void gb_gpio_ack_irq(struct irq_data *d)
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{
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struct gpio_chip *chip = irq_data_to_gpio_chip(d);
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struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip);
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struct gb_gpio_irq_ack_request request;
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int ret;
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request.which = d->hwirq;
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ret = gb_operation_sync(ggc->connection,
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GB_GPIO_TYPE_IRQ_ACK,
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&request, sizeof(request), NULL, 0);
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if (ret)
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dev_err(chip->dev, "failed to ack irq: %d\n", ret);
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}
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static void gb_gpio_mask_irq(struct irq_data *d)
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{
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struct gpio_chip *chip = irq_data_to_gpio_chip(d);
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@ -591,7 +576,6 @@ static int gb_gpio_connection_init(struct gb_connection *connection)
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goto err_free_controller;
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irqc = &ggc->irqc;
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irqc->irq_ack = gb_gpio_ack_irq;
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irqc->irq_mask = gb_gpio_mask_irq;
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irqc->irq_unmask = gb_gpio_unmask_irq;
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irqc->irq_set_type = gb_gpio_irq_set_type;
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@ -128,7 +128,6 @@ struct gb_i2c_transfer_response {
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#define GB_GPIO_TYPE_SET_VALUE 0x09
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#define GB_GPIO_TYPE_SET_DEBOUNCE 0x0a
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#define GB_GPIO_TYPE_IRQ_TYPE 0x0b
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#define GB_GPIO_TYPE_IRQ_ACK 0x0c
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#define GB_GPIO_TYPE_IRQ_MASK 0x0d
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#define GB_GPIO_TYPE_IRQ_UNMASK 0x0e
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#define GB_GPIO_TYPE_IRQ_EVENT 0x0f
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@ -203,11 +202,6 @@ struct gb_gpio_irq_unmask_request {
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};
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/* irq unmask response has no payload */
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struct gb_gpio_irq_ack_request {
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__u8 which;
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};
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/* irq ack response has no payload */
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/* irq event requests originate on another module and are handled on the AP */
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struct gb_gpio_irq_event_request {
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__u8 which;
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