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

[Marek Vasut <marex@denx.de>]

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 ?