Hi Greg, On Thu, Dec 30, 2021 at 1:29 PM Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: [...] > > static void meson_uart_release_port(struct uart_port *port) > > { > > - devm_iounmap(port->dev, port->membase); > > - port->membase = NULL; > > - devm_release_mem_region(port->dev, port->mapbase, port->mapsize); > > + /* nothing to do */ > > } > > Are you sure a release call like this can be "empty"? That goes against > the normal way the driver model works. If it is empty, why have it at > all? In patch #4 from this series some logic is added here again. I can think of three options here (in no particular order): - keep this patch as-is - remove the empty function from this patch and it back in patch #4 from this series - try to split some of the logic from patch #4 so the relevant clk_prepare_enable/clk_disable_unpepare calls are added here (meaning that this function has logic inside it at all times throughout this series) - (if you have another suggestion then please let us know) Best regards, Martin