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hw/qdev-clock: Avoid calling qdev_connect_clock_in after DeviceRealize

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Clock canonical name is set in device_set_realized (see the block
added to hw/core/qdev.c in commit 0e6934f264).
If we connect a clock after the device is realized, this code is
not executed. This is currently not a problem as this name is only
used for trace events, however this disrupt tracing.

Add a comment to document qdev_connect_clock_in() must be called
before the device is realized, and assert this condition.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200803105647.22223-5-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2020-08-28 10:02:46 +01:00 • committed by Peter Maydell
parent f129360ca1
commit 739fa32554
2 changed files with 3 additions and 0 deletions
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hw/core/qdev-clock.c
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@ -186,5 +186,6 @@ Clock *qdev_alias_clock(DeviceState *dev, const char *name,
void qdev_connect_clock_in(DeviceState *dev, const char *name, Clock *source)
{
assert(!dev->realized);
clock_set_source(qdev_get_clock_in(dev, name), source);
}