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qdev: Complete qdev_init_gpio_out() documentation 

qdev_init_gpio_out() states it "creates an array of anonymous
output GPIO lines" but doesn't document how this array is
released. Add a note that it is automatically free'd in qdev
instance_finalize().

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20210819142731.2827912-1-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Philippe Mathieu-Daudé 2021-08-19 16:27:31 +02:00 committed by Laurent Vivier
parent 4be8bfcb4d
commit 526dc8405d
1 changed files with 4 additions and 0 deletions
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4
include/hw/qdev-core.h
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@ -598,6 +598,10 @@ void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n);
* *
* See qdev_connect_gpio_out() for how code that uses such a device * See qdev_connect_gpio_out() for how code that uses such a device
* can connect to one of its output GPIO lines. * can connect to one of its output GPIO lines.
*
* There is no need to release the @pins allocated array because it
* will be automatically released when @dev calls its instance_finalize()
* handler.
*/ */
void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n); void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n);
/** /**