[U-Boot] [PATCH v3] dm: Add timeline and guide for porting serial drivers

Marek Vasut
2015-12-19T23:56:49Z

On Sunday, December 20, 2015 at 12:07:22 AM, Simon Glass wrote:
> Hi Marek,
>
> On 13 December 2015 at 12:55, Marek Vasut <marex@denx.de> wrote:
> > On Friday, November 20, 2015 at 06:48:47 PM, Simon Glass wrote:
> >> Add a README with a brief guide to porting serial drivers over to use
> >> driver model.
> >>
> >> Add a timeline also. All serial drivers should be converted by the end
> >> of January 2016.
> >>
> >> Signed-off-by: Simon Glass <sjg@chromium.org>
> >> ---
> >> To avoid anyone missing out on this, I have added to Cc the all U-Boot
> >> maintainers using this:
> >>
> >> (for f in $(find . -name MAINTAINERS); do grep ^M: $f; done) | \
> >>
> >> awk '{$1=""; print "Series-cc:" $0}' |sort | uniq
> >>
> >> This is about 229 email address, of which 217 seem to be different
> >> people.
> >>
> >> Changes in v3:
> >> - Fix the date to avoid time machine issues
> >>
> >> Changes in v2:
> >> - Copy the patch to all maintainers
> >> - Move the timeline back to January
> >>
> >> doc/driver-model/serial-howto.txt | 58
> >>
> >> +++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+)
> >>
> >> create mode 100644 doc/driver-model/serial-howto.txt
> >>
> >> diff --git a/doc/driver-model/serial-howto.txt
> >> b/doc/driver-model/serial-howto.txt new file mode 100644
> >> index 0000000..60483a4
> >> --- /dev/null
> >> +++ b/doc/driver-model/serial-howto.txt
> >> @@ -0,0 +1,58 @@
> >> +How to port a serial driver to driver model
> >> +===========================================
> >> +
> >> +About 16 of 33 serial drivers have been converted as at September 2015.
> >> It +is time for maintainers to start converting over the remaining
> >> serial drivers: +
> >> + altera_jtag_uart.c
> >> + altera_uart.c
> >
> > These are probably already converted.
> >
> >> + arm_dcc.c
> >> + lpc32xx_hsuart.c
> >> + mcfuart.c
> >> + mxs_auart.c
> >
> > ^ This system does not use DM at all.
> >
> >> + opencores_yanu.c
> >> + serial_bfin.c
> >> + serial_imx.c
> >
> > DTTO
> >
> >> + serial_lpuart.c
> >> + serial_max3100.c
> >> + serial_pxa.c
> >
> > DTTO
> >
> >> + serial_s3c24x0.c
> >
> > DTTO
> >
> >> + serial_sa1100.c
> >
> > This driver is probably dead code
> >
> >> + serial_stm32.c
> >> + serial_xuartlite.c
> >> + usbtty.c
> >> +
> >> +You should complete this by the end of January 2016.
> >
> > So what do you suggest to do with boards which do not use DM at all ?
>
> I'd say move them over...

That's not doable this late in the RC cycle though. I would suggest to postpone
the date.