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author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2020-06-23 09:27:15 +0200 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2020-06-26 14:30:28 +0100 |
commit | d88c42ff2c5cdcaecd02e6b31ea4c134b02be084 (patch) | |
tree | ee9b50996fdb17426277fbc50dc609db41f2144c /hw/i2c/core.c | |
parent | 888b2b034a29fa8fe99417c9665e0d671a9f33fb (diff) | |
download | qemu-d88c42ff2c5cdcaecd02e6b31ea4c134b02be084.zip qemu-d88c42ff2c5cdcaecd02e6b31ea4c134b02be084.tar.gz qemu-d88c42ff2c5cdcaecd02e6b31ea4c134b02be084.tar.bz2 |
hw/i2c/core: Add i2c_try_create_slave() and i2c_realize_and_unref()
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 6675a653d2e.
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>
Diffstat (limited to 'hw/i2c/core.c')
-rw-r--r-- | hw/i2c/core.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/hw/i2c/core.c b/hw/i2c/core.c index 1aac457..acf34a1 100644 --- a/hw/i2c/core.c +++ b/hw/i2c/core.c @@ -267,13 +267,27 @@ const VMStateDescription vmstate_i2c_slave = { } }; -DeviceState *i2c_create_slave(I2CBus *bus, const char *name, uint8_t addr) +DeviceState *i2c_try_create_slave(const char *name, uint8_t addr) { DeviceState *dev; dev = qdev_new(name); qdev_prop_set_uint8(dev, "address", addr); - qdev_realize_and_unref(dev, &bus->qbus, &error_fatal); + return dev; +} + +bool i2c_realize_and_unref(DeviceState *dev, I2CBus *bus, Error **errp) +{ + return qdev_realize_and_unref(dev, &bus->qbus, errp); +} + +DeviceState *i2c_create_slave(I2CBus *bus, const char *name, uint8_t addr) +{ + DeviceState *dev; + + dev = i2c_try_create_slave(name, addr); + i2c_realize_and_unref(dev, bus, &error_fatal); + return dev; } |