On 26/02/2024 08:38, Raphaël Gallais-Pou wrote: >>> + >>> +allOf: >>> + - $ref: serial.yaml# >>> + >>> +properties: >>> + compatible: >>> + const: st,asc >>> + >>> + reg: >>> + maxItems: 1 >>> + >>> + interrupts: >>> + maxItems: 1 >>> + >>> + clocks: >>> + maxItems: 1 >> >> This wasn't here before and your commit msg does not explain it. > > Looking at the device-tree I found that every instance of this device > refers to a phandle of a clock. > > Moreover in the driver of the device, the probe fails if it does not > find a clock, hence this addition. > > cf. drivers/tty/serial/st-asc.c:701 Commit msg should explain differences from pure conversion and the reason behind. Otherwise how can we know why you did it? Best regards, Krzysztof