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charset="utf-8" This allows the devices to be more readily found and specified. Without setting the name field, they can only be found by device type name, which doesn't let you specify the second of the same device type behind a bus. Tested: Verified that by default the device was findable with the name 'pca954x[77]', for an instance attached at that address. Signed-off-by: Patrick Venture Reviewed-by: Hao Wu Reviewed-by: Philippe Mathieu-Daud=C3=A9 Acked-by: Corey Minyard --- v2: s/id/name/g to use name as the identifier field. left 'id' in subject f= or email chain. --- hw/i2c/i2c_mux_pca954x.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/hw/i2c/i2c_mux_pca954x.c b/hw/i2c/i2c_mux_pca954x.c index 3945de795c..76e69bebc5 100644 --- a/hw/i2c/i2c_mux_pca954x.c +++ b/hw/i2c/i2c_mux_pca954x.c @@ -20,6 +20,7 @@ #include "hw/i2c/i2c_mux_pca954x.h" #include "hw/i2c/smbus_slave.h" #include "hw/qdev-core.h" +#include "hw/qdev-properties.h" #include "hw/sysbus.h" #include "qemu/log.h" #include "qemu/module.h" @@ -43,6 +44,8 @@ typedef struct Pca954xState { =20 bool enabled[PCA9548_CHANNEL_COUNT]; I2CBus *bus[PCA9548_CHANNEL_COUNT]; + + char *name; } Pca954xState; =20 /* @@ -181,6 +184,17 @@ static void pca9548_class_init(ObjectClass *klass, voi= d *data) s->nchans =3D PCA9548_CHANNEL_COUNT; } =20 +static void pca954x_realize(DeviceState *dev, Error **errp) +{ + Pca954xState *s =3D PCA954X(dev); + DeviceState *d =3D DEVICE(s); + if (s->name) { + d->id =3D g_strdup(s->name); + } else { + d->id =3D g_strdup_printf("pca954x[%x]", s->parent.i2c.address); + } +} + static void pca954x_init(Object *obj) { Pca954xState *s =3D PCA954X(obj); @@ -197,6 +211,11 @@ static void pca954x_init(Object *obj) } } =20 +static Property pca954x_props[] =3D { + DEFINE_PROP_STRING("nane", Pca954xState, name), + DEFINE_PROP_END_OF_LIST() +}; + static void pca954x_class_init(ObjectClass *klass, void *data) { I2CSlaveClass *sc =3D I2C_SLAVE_CLASS(klass); @@ -209,9 +228,12 @@ static void pca954x_class_init(ObjectClass *klass, voi= d *data) rc->phases.enter =3D pca954x_enter_reset; =20 dc->desc =3D "Pca954x i2c-mux"; + dc->realize =3D pca954x_realize; =20 k->write_data =3D pca954x_write_data; k->receive_byte =3D pca954x_read_byte; + + device_class_set_props(dc, pca954x_props); } =20 static const TypeInfo pca954x_info[] =3D { --=20 2.40.0.rc1.284.g88254d51c5-goog