Re: [PATCH 0/2] serial: qcom_geni_serial: Use the FIFOs properly for console

From: Greg KH
Date: Sat Jun 27 2020 - 10:00:01 EST


On Fri, Jun 26, 2020 at 01:00:31PM -0700, Douglas Anderson wrote:
> This series of two patches gets rid of some ugly hacks that were in
> the qcom_geni_serial driver around dealing with a port that was used
> for console output and dealing with a port that was being used for
> kgdb.
>
> While the character reading/writing code is now slightly more complex,
> it's better to be consistently configuring the serial port the same
> way and doing so avoids some corner cases where the old hacks weren't
> always catching properly.
>
> This change is slightly larger than it needs to be because I was
> trying not to use global variables in the read/write functions.
> Unfortunately the functions were sometimes called earlycon which
> didn't have any "private_data" pointer set. I've tried to do the
> minimal change here to have some shared "private_data" that's always
> present, but longer term it wouldn't hurt to see if we could unify
> more.
>
> Greg / Andy / Bjorn:
>
> This series of patches is atop the current Qualcomm tree to avoid
> conflicts. Assuming it looks OK, presumably the best way for it to
> land would be to get an Ack from Greg and then Bjorn or Andy could
> land it.

Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>