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

Simon Glass
2015-12-20T02:40:41Z

Hi Marek,

On 19 December 2015 at 16:56, Marek Vasut <marex@denx.de> wrote:
> 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.

Well we still have 6 weeks until the end of January for people to
produce patches. Merging them might take a while, but hopefully we can
finish this for the 2016.07 release.

Regards,
Simon