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hw/i2c/core: Add i2c_try_create_slave() and i2c_realize_and_unref()

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Extract i2c_try_create_slave() and i2c_realize_and_unref()
from i2c_create_slave().
We can now set properties on a I2CSlave before it is realized.

This is in line with the recent qdev/QOM changes merged
in commit 6675a653d2.

Reviewed-by: Corey Minyard <cminyard@mvista.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Tested-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20200623072723.6324-2-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2020-06-23 09:27:15 +02:00 • committed by Peter Maydell
parent 888b2b034a
commit d88c42ff2c
2 changed files with 18 additions and 2 deletions
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2
include/hw/i2c/i2c.h
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@ -80,6 +80,8 @@ int i2c_send(I2CBus *bus, uint8_t data);
uint8_t i2c_recv(I2CBus *bus);
DeviceState *i2c_create_slave(I2CBus *bus, const char *name, uint8_t addr);
DeviceState *i2c_try_create_slave(const char *name, uint8_t addr);
bool i2c_realize_and_unref(DeviceState *dev, I2CBus *bus, Error **errp);
/* lm832x.c */
void lm832x_key_event(DeviceState *dev, int key, int state);