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emul: Don't panic if matching emul can't be found

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When initializing emulators for devices registered on an emulated bus,
Zephyr will assert if a matching emulator for the device cannot be
found. This feels overly restrictive --there may be cases where we still
want to build a driver for testing even without an emulator and drivers
should be able to handle situations where there is no device emulator
present (the I2C/SPI transactions will simply fail and the driver never
becomes ready).

This commit removes the assert and replaces it with an warning message if
no matching emulator is found.

Signed-off-by: Tristan Honscheid <honscheid@google.com>
This commit is contained in:
Tristan Honscheid 2023-07-11 16:33:20 -06:00 committed by Fabio Baltieri
parent 631312334e
commit ce3d0af183
1 changed files with 4 additions and 1 deletions
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5
subsys/emul/emul.c
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@ -40,7 +40,10 @@ int emul_init_for_bus(const struct device *dev)
for (elp = cfg->children; elp < end; elp++) {
const struct emul *emul = emul_get_binding(elp->dev->name);
__ASSERT(emul, "Cannot find emulator for '%s'", elp->dev->name);
if (!emul) {
LOG_WRN("Cannot find emulator for '%s'", elp->dev->name);
continue;
}
switch (emul->bus_type) {
case EMUL_BUS_TYPE_I2C: