[U-Boot] [PATCH] serial: implement common uart post test

[Wolfgang Denk]

Dear Mike Frysinger,

In message <1305392175-31018-1-git-send-email-vapier at gentoo.org> you wrote:
> The current arch/driver specific UART posts basically boil down to setting
> the UART to loop back mode, then reading and writing data.  If we ignore
> the loop back part, the rest can be built upon the existing common serial
> API.  So let's do just that.
> 
> First add a call back for serial drivers to implement loop back control.
> Then write a post test that walks all of the serial drivers, puts them
> into loop back mode, and verifies that reading/writing at all the diff
> baud rates is OK.
> 
> If a serial driver doesn't support loop back mode (either it can't or
> it hasn't done so yet), then skip it.  This should allow for people to
> easily migrate to the new post test with existing serial drivers.
> 
> I haven't touched the few already existing uart post tests as I don't
> the hardware or knowledge of converting them over.  So I've marked the
> new test as weak which will allow the existing tests to override the
> default until they are converted.
> 
> Signed-off-by: Mike Frysinger <vapier at gentoo.org>
> ---
>  common/serial.c  |   90 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  include/serial.h |    5 +++
>  2 files changed, 95 insertions(+), 0 deletions(-)

Applied, thanks.

Best regards,

Wolfgang Denk

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