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qdev: gpio: Register GPIO inputs as child objects 

To the device that contains them. This will allow for referencing
a GPIO input from it's canonical path (exciting for dynamic machine
generation!)

Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Peter Crosthwaite 2014-09-25 22:17:41 -07:00 committed by Andreas Färber
parent b235a71f52
commit a69bef1cf1
1 changed files with 9 additions and 0 deletions
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9
hw/core/qdev.c
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@ -337,11 +337,20 @@ static NamedGPIOList *qdev_get_named_gpio_list(DeviceState *dev,
void qdev_init_gpio_in_named(DeviceState *dev, qemu_irq_handler handler, void qdev_init_gpio_in_named(DeviceState *dev, qemu_irq_handler handler,
const char *name, int n) const char *name, int n)
{ {
int i;
NamedGPIOList *gpio_list = qdev_get_named_gpio_list(dev, name); NamedGPIOList *gpio_list = qdev_get_named_gpio_list(dev, name);
char *propname = g_strdup_printf("%s[*]", name ? name : "unnamed-gpio-in");
assert(gpio_list->num_out == 0 || !name); assert(gpio_list->num_out == 0 || !name);
gpio_list->in = qemu_extend_irqs(gpio_list->in, gpio_list->num_in, handler, gpio_list->in = qemu_extend_irqs(gpio_list->in, gpio_list->num_in, handler,
dev, n); dev, n);
for (i = gpio_list->num_in; i < gpio_list->num_in + n; i++) {
object_property_add_child(OBJECT(dev), propname,
OBJECT(gpio_list->in[i]), &error_abort);
}
g_free(propname);
gpio_list->num_in += n; gpio_list->num_in += n;
} }