Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814 (resend)

2007-09-05 Thread Bartlomiej Zolnierkiewicz
On Friday 31 August 2007, Daniel Exner wrote: > Hi! > > Please CC me, as I'm currently not subscribed to this list, thx. applied but please inline patches instead of attaching them next time (makes it much easier to review/apply them) - To unsubscribe from this list: send the line "unsubscribe

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814 (resend)

2007-09-05 Thread Bartlomiej Zolnierkiewicz
On Friday 31 August 2007, Daniel Exner wrote: Hi! Please CC me, as I'm currently not subscribed to this list, thx. applied but please inline patches instead of attaching them next time (makes it much easier to review/apply them) - To unsubscribe from this list: send the line unsubscribe

[PATCH] Override 80-wire cable detection for Toshiba S1800-814 (resend)

2007-08-31 Thread Daniel Exner
Hi! Please CC me, as I'm currently not subscribed to this list, thx. Another try :) -- Greetings Daniel Exner Add Toshiba S1800-814 to whitelist for both pata_ali and alim15x3, as it is correctly detected as 40-wire connected but this cable is short enough to still use transfer modes higher

[PATCH] Override 80-wire cable detection for Toshiba S1800-814 (resend)

2007-08-31 Thread Daniel Exner
Hi! Please CC me, as I'm currently not subscribed to this list, thx. Another try :) -- Greetings Daniel Exner Add Toshiba S1800-814 to whitelist for both pata_ali and alim15x3, as it is correctly detected as 40-wire connected but this cable is short enough to still use transfer modes higher

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-30 Thread Alan Cox
> What's the max length of a 40wire cable to sustain 80wire cable > characteristics? Depends on the materials and connector. The required electrical characteristics for any cable are in the spec, and if you want to know more you'll need to know a lot more than I do about transmission line

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-30 Thread Jan Engelhardt
On Aug 30 2007 15:47, Lennart Sorensen wrote: >On Thu, Aug 30, 2007 at 09:38:23PM +0200, Jan Engelhardt wrote: >> Hard to tell, since some (most?) laptops have sort of a backplane and there >> might be no real cable you could see because it's all mainboard wire paths >> already. > >Makes you

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-30 Thread Lennart Sorensen
On Thu, Aug 30, 2007 at 09:38:23PM +0200, Jan Engelhardt wrote: > Hard to tell, since some (most?) laptops have sort of a backplane and there > might be no real cable you could see because it's all mainboard wire paths > already. Makes you wonder why the mainboard doesn't just pretend to be an 80

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-30 Thread Jan Engelhardt
On Aug 30 2007 16:54, Al Boldi wrote: > >What's the max length of a 40wire cable to sustain 80wire cable >characteristics? Hard to tell, since some (most?) laptops have sort of a backplane and there might be no real cable you could see because it's all mainboard wire paths already.

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-30 Thread Robert Hancock
Al Boldi wrote: Alan Cox wrote: Wow! I have been running 80wire cable detection override on 40wire cables for quite some time without any problem, but I never thought it to be legal if the 40wire cable length is short enough. Yes. How short does it have to be, and can't we have a kernel

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-30 Thread Al Boldi
Alan Cox wrote: > > Wow! I have been running 80wire cable detection override on 40wire > > cables for quite some time without any problem, but I never thought it > > to be legal if the 40wire cable length is short enough. > > Yes. > > > How short does it have to be, and can't we have a kernel

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-30 Thread Alan Cox
> Wow! I have been running 80wire cable detection override on 40wire cables > for quite some time without any problem, but I never thought it to be legal > if the 40wire cable length is short enough. Yes. > How short does it have to be, and can't we have a kernel bootparm to override > the

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-30 Thread Alan Cox
Wow! I have been running 80wire cable detection override on 40wire cables for quite some time without any problem, but I never thought it to be legal if the 40wire cable length is short enough. Yes. How short does it have to be, and can't we have a kernel bootparm to override the cable

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-30 Thread Al Boldi
Alan Cox wrote: Wow! I have been running 80wire cable detection override on 40wire cables for quite some time without any problem, but I never thought it to be legal if the 40wire cable length is short enough. Yes. How short does it have to be, and can't we have a kernel bootparm to

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-30 Thread Robert Hancock
Al Boldi wrote: Alan Cox wrote: Wow! I have been running 80wire cable detection override on 40wire cables for quite some time without any problem, but I never thought it to be legal if the 40wire cable length is short enough. Yes. How short does it have to be, and can't we have a kernel

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-30 Thread Jan Engelhardt
On Aug 30 2007 16:54, Al Boldi wrote: What's the max length of a 40wire cable to sustain 80wire cable characteristics? Hard to tell, since some (most?) laptops have sort of a backplane and there might be no real cable you could see because it's all mainboard wire paths already. Jan

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-30 Thread Lennart Sorensen
On Thu, Aug 30, 2007 at 09:38:23PM +0200, Jan Engelhardt wrote: Hard to tell, since some (most?) laptops have sort of a backplane and there might be no real cable you could see because it's all mainboard wire paths already. Makes you wonder why the mainboard doesn't just pretend to be an 80

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-30 Thread Jan Engelhardt
On Aug 30 2007 15:47, Lennart Sorensen wrote: On Thu, Aug 30, 2007 at 09:38:23PM +0200, Jan Engelhardt wrote: Hard to tell, since some (most?) laptops have sort of a backplane and there might be no real cable you could see because it's all mainboard wire paths already. Makes you wonder why

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-30 Thread Alan Cox
What's the max length of a 40wire cable to sustain 80wire cable characteristics? Depends on the materials and connector. The required electrical characteristics for any cable are in the spec, and if you want to know more you'll need to know a lot more than I do about transmission line theory!

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-29 Thread Al Boldi
Alan Cox wrote: > Daniel Exner <[EMAIL PROTECTED]> wrote: >> Attached patch will add above mentioned Laptop Model to whitelist for both >> pata_ali and alim15x3, as it is correctly detected as 40-wire connected >> but this cable is short enough to still do transfers higher than UDMA33. > > Looks

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-29 Thread Alan Cox
On Wed, 29 Aug 2007 23:41:13 +0200 Daniel Exner <[EMAIL PROTECTED]> wrote: > Hi! > > Please CC me, as I'm currently not subscribed to this list, thx. > > Attached patch will add above mentioned Laptop Model to whitelist for both > pata_ali and alim15x3, as it is correctly detected as 40-wire

[PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-29 Thread Daniel Exner
Hi! Please CC me, as I'm currently not subscribed to this list, thx. Attached patch will add above mentioned Laptop Model to whitelist for both pata_ali and alim15x3, as it is correctly detected as 40-wire connected but this cable is short enough to still do transfers higher than UDMA33. Don't

[PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-29 Thread Daniel Exner
Hi! Please CC me, as I'm currently not subscribed to this list, thx. Attached patch will add above mentioned Laptop Model to whitelist for both pata_ali and alim15x3, as it is correctly detected as 40-wire connected but this cable is short enough to still do transfers higher than UDMA33. Don't

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-29 Thread Alan Cox
On Wed, 29 Aug 2007 23:41:13 +0200 Daniel Exner [EMAIL PROTECTED] wrote: Hi! Please CC me, as I'm currently not subscribed to this list, thx. Attached patch will add above mentioned Laptop Model to whitelist for both pata_ali and alim15x3, as it is correctly detected as 40-wire connected

Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

2007-08-29 Thread Al Boldi
Alan Cox wrote: Daniel Exner [EMAIL PROTECTED] wrote: Attached patch will add above mentioned Laptop Model to whitelist for both pata_ali and alim15x3, as it is correctly detected as 40-wire connected but this cable is short enough to still do transfers higher than UDMA33. Looks good to me