setup_period() printed the uint8_t slice number with %d, and the
uint32_t frequency, the uint16_t top and the uint32_t divisor with %lu.
Use %u for the two small fields and PRIu32 for the two uint32_t fields.
No build warns about this today, because GCC does not check syslog
format strings. It shows with CONFIG_DEBUG_PWM_INFO only.
Assisted-by: Claude Code:claude-opus-5-5
Signed-off-by: Marco Casaroli <marco.casaroli@gmail.com>
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