On Fri, Feb 17, 2023 at 11:42:53AM +0000, Biju Das wrote: > The UART IP found on {RZ/V2M, EMMA mobile} SoC is Register-compatible > with the general-purpose 16750 UART chip. This patch updates port type > from 16550A->16750 and also enables 64-bytes fifo support. ... > + up.port.flags = UPF_BOOT_AUTOCONF | UPF_FIXED_PORT | UPF_IOREMAP | UPF_FIXED_TYPE; Do you still need UPF_BOOT_AUTOCONF? -- With Best Regards, Andy Shevchenko