[U-Boot] [PATCH v1 (WIP) 09/16] [Timer]Replace get_timer() usage in drivers/block/

[Reinhard Meyer]

Dear All,
> Well I know i have asked this before, but I feel I should ask again
> because I didn't like the answer much.
>
> Imagine we change this code to:
>
> ts = time_now_ms() + msec
> do {
> ...
> } while (time_since_ms(ts)<  0);
>
> That should be legal, right? But I don't think this can work since the
> 'since' functions return an unsigned.
>
> [aside: this provides for another idiom that I think we talked about:
>
> ts = time_future_ms(msec)
> do {
> ...
> } while (!time_passed(ts))
>
> which I am not at all suggesting should be in the API :-)
> end aside]

I still vouch for this concept, which is simple, clean, and easy to understand.

Reinhard