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[Qemu-devel] [PULL 03/47] qdev: gpio: Register GPIO outputs as QOM links
From: |
Andreas Färber |
Subject: |
[Qemu-devel] [PULL 03/47] qdev: gpio: Register GPIO outputs as QOM links |
Date: |
Wed, 15 Oct 2014 05:08:37 +0200 |
From: Peter Crosthwaite <address@hidden>
Within the object that contains the GPIO output. This allows for
connecting GPIO outputs via setting of a Link property.
Also clear the link value to zero. This catch-alls the case
where a device improperly inits a gpio_out (malloc instead of
malloc0).
Reviewed-by: Alexander Graf <address@hidden>
Signed-off-by: Peter Crosthwaite <address@hidden>
Signed-off-by: Andreas Färber <address@hidden>
---
hw/core/qdev.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index a140c79..2b42d5b 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -362,12 +362,24 @@ void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler
handler, int n)
void qdev_init_gpio_out_named(DeviceState *dev, qemu_irq *pins,
const char *name, int n)
{
+ int i;
NamedGPIOList *gpio_list = qdev_get_named_gpio_list(dev, name);
+ char *propname = g_strdup_printf("%s[*]", name ? name :
"unnamed-gpio-out");
assert(gpio_list->num_in == 0 || !name);
assert(gpio_list->num_out == 0);
gpio_list->num_out = n;
gpio_list->out = pins;
+
+ for (i = 0; i < n; ++i) {
+ memset(&pins[i], 0, sizeof(*pins));
+ object_property_add_link(OBJECT(dev), propname, TYPE_IRQ,
+ (Object **)&pins[i],
+ object_property_allow_set_link,
+ OBJ_PROP_LINK_UNREF_ON_RELEASE,
+ &error_abort);
+ }
+ g_free(propname);
}
void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n)
--
1.8.4.5
- [Qemu-devel] [PULL 00/47] QOM devices patch queue 2014-10-15, Andreas Färber, 2014/10/14
- [Qemu-devel] [PULL 01/47] qdev: gpio: Don't allow name share between I and O, Andreas Färber, 2014/10/14
- [Qemu-devel] [PULL 02/47] qdev: gpio: Register GPIO inputs as child objects, Andreas Färber, 2014/10/14
- [Qemu-devel] [PULL 03/47] qdev: gpio: Register GPIO outputs as QOM links,
Andreas Färber <=
- [Qemu-devel] [PULL 07/47] tests: virtio-serial: Check if hot-plug/unplug works, Andreas Färber, 2014/10/14
- [Qemu-devel] [PULL 06/47] tests: virtio-scsi: Check if hot-plug/unplug works, Andreas Färber, 2014/10/14
- [Qemu-devel] [PULL 04/47] qom: Add error handler for object_property_print(), Andreas Färber, 2014/10/14
- [Qemu-devel] [PULL 08/47] libqos: Add qpci_plug_device_test() and qpci_unplug_acpi_device_test(), Andreas Färber, 2014/10/14
- [Qemu-devel] [PULL 09/47] tests: virtio-rng: Check if hot-plug/unplug works, Andreas Färber, 2014/10/14
- [Qemu-devel] [PULL 05/47] qom: Add error handler for object alias property, Andreas Färber, 2014/10/14
- [Qemu-devel] [PULL 11/47] tests: virtio-blk: Check if hot-plug/unplug works, Andreas Färber, 2014/10/14
- [Qemu-devel] [PULL 10/47] tests: virtio-net: Check if hot-plug/unplug works, Andreas Färber, 2014/10/14
- [Qemu-devel] [PULL 13/47] tests: usb: add port test to uhci unit test, Andreas Färber, 2014/10/14
- [Qemu-devel] [PULL 16/47] tests: usb: usb-uas hotplug test, Andreas Färber, 2014/10/14