On 23/05/2022 14:58, Tomer Maimon wrote: > Hi Arnd, > > Thanks for your comment. > > On Mon, 23 May 2022 at 14:48, Arnd Bergmann <arnd@xxxxxxxx > <mailto:arnd@xxxxxxxx>> wrote: > > On Sun, May 22, 2022 at 5:50 PM Tomer Maimon <tmaimon77@xxxxxxxxx > <mailto:tmaimon77@xxxxxxxxx>> wrote: > > +++ b/drivers/tty/serial/8250/8250_of.c > > @@ -333,6 +333,7 @@ static const struct of_device_id > of_platform_serial_table[] = { > > { .compatible = "ti,da830-uart", .data = (void > *)PORT_DA830, }, > > { .compatible = "nuvoton,wpcm450-uart", .data = (void > *)PORT_NPCM, }, > > { .compatible = "nuvoton,npcm750-uart", .data = (void > *)PORT_NPCM, }, > > + { .compatible = "nuvoton,npcm845-uart", .data = (void > *)PORT_NPCM, }, > > { /* end of list */ }, > > If these are compatible devices, it's usually easier to claim > compatibility with both the specific chip and the older model > as a fallback, to avoid driver changes. This seems to apply to > the timer and watchdog devices as well. > > Just to make sure, Do you mean claim in the device tree? > like > > compatible = "nuvoton,npcm845-timer", "nuvoton,npcm-timer"; compatible = "nuvoton,npcm845-timer", "nuvoton,npcm750-timer""; Best regards, Krzysztof
