[U-Boot] [PATCH] mem_mtest: fix error reporting, allow escape with ^C

[Wolfgang Denk]

Dear Paul Gortmaker,

In message <1254521913-25655-1-git-send-email-paul.gortmaker at windriver.com> you wrote:
> The basic memtest function tries to watch for ^C after each
> pattern pass as an escape mechanism, but if things are horribly
> wrong, we'll be stuck in an inner loop flooding the console with
> error messages and never check for ^C.  To make matters worse,
> if the user waits for all the error messages to complete, we
> then incorrectly report the test passed without errors.
> 
> Adding a check for ^C after any error is printed will give
> the end user an escape mechanism from a console flood without
> slowing down the overall test speed on a slow processor.
> 
> Also, the more extensive memtest quit after just a single error,
> which is inconsistent with the normal memtest, and not useful if
> if you are doing dynamic environmental impact testing, such as
> heating/cooling etc.
> 
> Both tests now track the error count and report it properly
> at test completion.
> 
> Signed-off-by: Paul Gortmaker <paul.gortmaker at windriver.com>
> ---
> 
> Changes: fixed return values since prev. version.
> 
>  common/cmd_mem.c |   58 ++++++++++++++++++++++++++++++++++++++++-------------
>  1 files changed, 44 insertions(+), 14 deletions(-)

Applied, thanks.

Best regards,

Wolfgang Denk

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