Re: [U-Boot] U-Boot Timer Qualification

2009-04-29 Thread Wolfgang Denk
Dear Jean-Christophe PLAGNIOL-VILLARD, In message <20090429192636.gd13...@game.jcrosoft.org> you wrote: > > > We all agree that precision is a good thing to have, it it must come > > at a reasonable effort, and there is no reason to drive it into > > extreme precision. > Personnaly I never ask ext

Re: [U-Boot] U-Boot Timer Qualification

2009-04-29 Thread Jean-Christophe PLAGNIOL-VILLARD
On 19:47 Tue 28 Apr , Wolfgang Denk wrote: > Dear Ladislav Michl, > > In message <20090428151147.ga19...@linux-mips.org> you wrote: > > > > a lot of changes are entering arm tree, many without any commit message. > > And now we have some special cases which needs some special care for yet > >

Re: [U-Boot] U-Boot Timer Qualification

2009-04-29 Thread Wolfgang Denk
Dear Dirk, in message <49f884e4.3050...@googlemail.com> you wrote: > > > Just in case there is any doubt here: > > > > There is no, and I say *no*, mandatory verification of any timing > > precision in U-Boot. > > > > We all agree that precision is a good thing to have, it it must come > > at a

Re: [U-Boot] U-Boot Timer Qualification

2009-04-29 Thread Dirk Behme
Wolfgang Denk wrote: > Dear Ladislav Michl, > > In message <20090428151147.ga19...@linux-mips.org> you wrote: >> a lot of changes are entering arm tree, many without any commit message. >> And now we have some special cases which needs some special care for yet >> unclear reason. OMAP3 timer preci

Re: [U-Boot] U-Boot Timer Qualification

2009-04-28 Thread Wolfgang Denk
Dear Ladislav Michl, In message <20090428151147.ga19...@linux-mips.org> you wrote: > > a lot of changes are entering arm tree, many without any commit message. > And now we have some special cases which needs some special care for yet > unclear reason. OMAP3 timer precission was discussed to deat

Re: [U-Boot] U-Boot Timer Qualification

2009-04-28 Thread Mike Frysinger
On Tuesday 28 April 2009 09:41:07 Wolfgang Denk wrote: > In message Mike Frysinger wrote: > > i too would prefer a POST case that can be classified as a mathematically > > sound proof. did i miss something, or was such a case proposed ? > > No. > > And I think it's actually difficult to implemen

Re: [U-Boot] U-Boot Timer Qualification

2009-04-28 Thread Ladislav Michl
Dear Mike, a lot of changes are entering arm tree, many without any commit message. And now we have some special cases which needs some special care for yet unclear reason. OMAP3 timer precission was discussed to death and patch still didn't went in, because it needs to be verified against some do

Re: [U-Boot] U-Boot Timer Qualification

2009-04-28 Thread Wolfgang Denk
Dear Mike Frysinger, In message <200904280848.14109.vap...@gentoo.org> you wrote: > > i too would prefer a POST case that can be classified as a mathematically > sound proof. did i miss something, or was such a case proposed ? No. And I think it's actually difficult to implement, as it's

Re: [U-Boot] U-Boot Timer Qualification

2009-04-28 Thread Mike Frysinger
On Tuesday 28 April 2009 06:08:06 Ladislav Michl wrote: > On Mon, Apr 27, 2009 at 03:28:28PM -0400, Mike Frysinger wrote: > > if you want your points to have any meaning/usage, then they have to be > > on the mailing list. irc is useless for people trying to search for > > background information t

Re: [U-Boot] U-Boot Timer Qualification

2009-04-28 Thread Ladislav Michl
On Mon, Apr 27, 2009 at 03:28:28PM -0400, Mike Frysinger wrote: > if you want your points to have any meaning/usage, then they have to be on > the > mailing list. irc is useless for people trying to search for background > information to a problem. I agree here, but I already gave up. And if "

Re: [U-Boot] U-Boot Timer Qualification

2009-04-27 Thread Mike Frysinger
On Wednesday 22 April 2009 16:49:36 Jean-Christophe PLAGNIOL-VILLARD wrote: > For all Timer modification a minimun of qualification is mandatory > as it will impact a lots of part of u-boot. > > So for this purpose I'll propose you to use one of this two approche > to report

Re: [U-Boot] U-Boot Timer Qualification

2009-04-27 Thread Mike Frysinger
On Thursday 23 April 2009 04:01:14 Ladislav Michl wrote: > On Thu, Apr 23, 2009 at 12:18:00AM +0200, Wolfgang Denk wrote: > > In message Jean-Christophe PLAGNIOL-VILLARD wrote: > > > > Who needs this, and why and when, and why didn't we need it the past? > > > > > > a lot of actual timer are not co

Re: [U-Boot] U-Boot Timer Qualification

2009-04-22 Thread Ladislav Michl
On Thu, Apr 23, 2009 at 12:18:00AM +0200, Wolfgang Denk wrote: > Dear Jean-Christophe PLAGNIOL-VILLARD, > > In message <20090422212816.ga18...@game.jcrosoft.org> you wrote: > > > > > Who needs this, and why and when, and why didn't we need it the past? > > a lot of actual timer are not correct and

Re: [U-Boot] U-Boot Timer Qualification

2009-04-22 Thread Wolfgang Denk
Dear Jean-Christophe PLAGNIOL-VILLARD, In message <20090422212816.ga18...@game.jcrosoft.org> you wrote: > > > Who needs this, and why and when, and why didn't we need it the past? > a lot of actual timer are not correct and we have problem on network timeout > as example. Hm... how muich of preci

Re: [U-Boot] U-Boot Timer Qualification

2009-04-22 Thread Jean-Christophe PLAGNIOL-VILLARD
On 23:08 Wed 22 Apr , Wolfgang Denk wrote: > Dear Jean-Christophe PLAGNIOL-VILLARD, > > In message <20090422204936.gb29...@game.jcrosoft.org> you wrote: > > > > For all Timer modification a minimun of qualification is mandatory > > as it will impact a lots of part of u-boot. > > Mayb

Re: [U-Boot] U-Boot Timer Qualification

2009-04-22 Thread Wolfgang Denk
Dear Jean-Christophe PLAGNIOL-VILLARD, In message <20090422204936.gb29...@game.jcrosoft.org> you wrote: > > For all Timer modification a minimun of qualification is mandatory > as it will impact a lots of part of u-boot. Maybe you could be so kind and explain what this is actually ab

[U-Boot] U-Boot Timer Qualification

2009-04-22 Thread Jean-Christophe PLAGNIOL-VILLARD
Hi all, For all Timer modification a minimun of qualification is mandatory as it will impact a lots of part of u-boot. So for this purpose I'll propose you to use one of this two approche to report the precition of your timer or update 1) Clock generation