On Tue, 20 Sep 2022, Jiri Slaby wrote:

> The "stop TX" path in altera_uart_tx_chars() is open-coded, so:
> * use uart_circ_empty() to check if the buffer is empty, and
> * when true, call altera_uart_stop_tx().
> 
> Cc: Tobias Klauser <tklauser@distanz.ch>
> Signed-off-by: Jiri Slaby <jslaby@suse.cz>

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

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 i.