Messages in this thread | | | From | Doug Anderson <> | Date | Mon, 13 Mar 2023 13:53:02 -0700 | Subject | Re: [PATCH 2/3] serial: uart_poll_init() should power on the UART |
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Hi,
On Tue, Mar 7, 2023 at 7:32 AM Douglas Anderson <dianders@chromium.org> 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@chromium.org> > --- > > 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@kernel.org
-Doug
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