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isa: introduce wrapper isa_connect_gpio_out
Currently a direct access to the device structure field is used to connect ISA device IRQ to the bus. GPIO access should be used instead if possible. The patch adds wrapper isa_connect_gpio_out. The function connects specified output GPIO to specified ISA IRQ. Signed-off-by: Efimov Vasily <real@ispras.ru> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -97,6 +97,13 @@ void isa_init_irq(ISADevice *dev, qemu_irq *p, int isairq)
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dev->nirqs++;
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}
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void isa_connect_gpio_out(ISADevice *isadev, int gpioirq, int isairq)
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{
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qemu_irq irq;
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isa_init_irq(isadev, &irq, isairq);
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qdev_connect_gpio_out(DEVICE(isadev), gpioirq, irq);
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}
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void isa_bus_dma(ISABus *bus, IsaDma *dma8, IsaDma *dma16)
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{
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assert(bus && dma8 && dma16);
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@ -102,6 +102,7 @@ ISABus *isa_bus_new(DeviceState *dev, MemoryRegion *address_space,
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void isa_bus_irqs(ISABus *bus, qemu_irq *irqs);
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qemu_irq isa_get_irq(ISADevice *dev, int isairq);
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void isa_init_irq(ISADevice *dev, qemu_irq *p, int isairq);
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void isa_connect_gpio_out(ISADevice *isadev, int gpioirq, int isairq);
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void isa_bus_dma(ISABus *bus, IsaDma *dma8, IsaDma *dma16);
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IsaDma *isa_get_dma(ISABus *bus, int nchan);
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MemoryRegion *isa_address_space(ISADevice *dev);
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