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SubjectRe: [PATCH v2] check: Add 10bit/slave i2c reg flags support

> + addr = reg & 0x3FFFFFFFU;
> + snprintf(unit_addr, sizeof(unit_addr), "%x", addr);

Hmm, this hardcoded value will not work if we ever need to add another
bit. I hope this will never happen, though.

> + if ((reg & (1U << 31)) && addr > 0x3ff)

Same here with bit 31. I haven't checked DTC but can't we import the
header with the defines into the project? Or is this then a circular
dependency?

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