Hi Wolfgang, Wolfgang Denk schrieb: > Dear Jens Gehrlein, > > In message <490edd63.1010...@tqs.de> you wrote: >> find_sector() loops through the sector table from the last sector to >> the current sector. And the more sectors the device has, the slower >> the algorithm becomes. And this process for every sector to be >> programmed. And yes, there are still devices around without (standard) >> write buffer, e.g. the Samsung K8P2815UQB. > > A classic (and trivial to implement) approach is not to start > searching at the end, but at the last used sector (assuming search > driection and direction of "growth" are identical).
Okay. Because I never have seen, that a flash has been written backwards, as a prerequisite I have to change the loop from counting down to counting up. Any objections? > This way, you > will typically find the match either immediately or with a single > step. > > Maybe you want to give that a try... I'm currently trying :-) Had some other projects in the meantime. Kind regards, Jens _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
