[PATCH v1 04/19] tty: serial: 8250: Add NPCM845 UART support

Arnd Bergmann arnd at arndb.de
Mon May 23 02:56:09 PDT 2022


On Sun, May 22, 2022 at 5:50 PM Tomer Maimon <tmaimon77 at gmail.com> 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.

       Arnd



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