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hw/misc/pca9552: Add a 'description' property for debugging purpose

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Add a description field to distinguish between multiple devices.

Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20200623072723.6324-6-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2020-06-23 09:27:19 +02:00 committed by Peter Maydell
parent 736132e455
commit 2df252d879
2 changed files with 19 additions and 0 deletions
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18
hw/misc/pca9552.c
View file

@ -13,6 +13,7 @@
#include "qemu/osdep.h"
#include "qemu/log.h"
#include "qemu/module.h"
#include "hw/qdev-properties.h"
#include "hw/misc/pca9552.h"
#include "hw/misc/pca9552_regs.h"
#include "migration/vmstate.h"
@ -317,13 +318,30 @@ static void pca955x_initfn(Object *obj)
}
}
static void pca955x_realize(DeviceState *dev, Error **errp)
{
PCA955xState *s = PCA955X(dev);
if (!s->description) {
s->description = g_strdup("pca-unspecified");
}
}
static Property pca955x_properties[] = {
DEFINE_PROP_STRING("description", PCA955xState, description),
DEFINE_PROP_END_OF_LIST(),
};
static void pca955x_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
k->event = pca955x_event;
k->recv = pca955x_recv;
k->send = pca955x_send;
dc->realize = pca955x_realize;
device_class_set_props(dc, pca955x_properties);
}
static const TypeInfo pca955x_info = {

1
include/hw/misc/pca9552.h
View file

@ -27,6 +27,7 @@ typedef struct PCA955xState {
uint8_t pointer;
uint8_t regs[PCA955X_NR_REGS];
char *description; /* For debugging purpose only */
} PCA955xState;
#endif