Re: [PATCH 2/3] serial: uart_poll_init() should power on the UART

[Doug Anderson]

Hi,

On Tue, Mar 7, 2023 at 7:32 AM Douglas Anderson <dianders@xxxxxxxxxxxx> wrote:
>
> On Qualcomm devices which use the "geni" serial driver, kdb/kgdb won't
> be very happy if you use it but the resources of the port haven't been
> powered on. Today kdb/kgdb rely on someone else powering the port
> on. This could be the normal kernel console or an agetty running.
> Let's fix this to explicitly power things on when setting up a polling
> driver.
>
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> ---
>
>  drivers/tty/serial/serial_core.c | 6 ++++++
>  1 file changed, 6 insertions(+)

Just in case it's not obvious, even though we ended up going with
Johan's series [1] instead of patch #1 of my series, patch #2 and #3
of my series are still relevant. I can repost the series without patch
#1 if it's helpful.

[1] https://lore.kernel.org/r/20230307164405.14218-1-johan+linaro@xxxxxxxxxx

-Doug