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[RFC,v1,13/25] qdev: gpio: Register GPIO inputs as child objects

Message ID b1e182109ee81a9d2c58ff8636206d61431fe884.1400204799.git.peter.crosthwaite@xilinx.com
State New
Headers show

Commit Message

Peter Crosthwaite May 16, 2014, 1:57 a.m. UTC 
To the device that contains them. This will allow for referencing
a GPIO input from its canonical path (exciting for dynamic machine
generation!)

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
---

 hw/core/qdev.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index 3330838..cd273e8 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -336,11 +336,21 @@  static NamedGPIOList *qdev_get_named_gpio_list(DeviceState *dev,
 void qdev_init_gpio_in_named(DeviceState *dev, qemu_irq_handler handler,
                              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);
+
+    for (i = gpio_list->num_in; i < gpio_list->num_in + n; i++) {
+        char *propname = g_strdup_printf("%s-%d",
+                                         name ? name : "unnamed-gpio-in", i);
+        object_property_add_child(OBJECT(dev), propname,
+                                  OBJECT(gpio_list->in[i]), &error_abort);
+        g_free(propname);
+    }
+
     gpio_list->num_in += n;
 }