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qdev: Add new qdev_init_gpio_in_named_with_opaque()

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The function qdev_init_gpio_in_named() passes the DeviceState pointer
as the opaque data pointor for the irq handler function.  Usually
this is what you want, but in some cases it would be helpful to use
some other data pointer.

Add a new function qdev_init_gpio_in_named_with_opaque() which allows
the caller to specify the data pointer they want.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180220180325.29818-12-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2018-03-02 10:45:38 +00:00
parent 439f122f76
commit 4a151677a8
2 changed files with 33 additions and 5 deletions
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8
hw/core/qdev.c
View file

@ -385,15 +385,17 @@ static NamedGPIOList *qdev_get_named_gpio_list(DeviceState *dev,
return ngl;
}
void qdev_init_gpio_in_named(DeviceState *dev, qemu_irq_handler handler,
const char *name, int n)
void qdev_init_gpio_in_named_with_opaque(DeviceState *dev,
qemu_irq_handler handler,
void *opaque,
const char *name, int n)
{
int i;
NamedGPIOList *gpio_list = qdev_get_named_gpio_list(dev, name);
assert(gpio_list->num_out == 0 || !name);
gpio_list->in = qemu_extend_irqs(gpio_list->in, gpio_list->num_in, handler,
dev, n);
opaque, n);
if (!name) {
name = "unnamed-gpio-in";