Is it possible to change the ordering so that is acting like in 3.8?

Op vrijdag 1 januari 2016 01:06:59 UTC+1 schreef RobertCNelson:
>
> On Thu, Dec 31, 2015 at 5:31 PM, Bit Pusher <ken.w....@gmail.com 
> <javascript:>> wrote: 
> > Under 3.8.13: 
> >> uname -r 
> > 3.8.13-bone77 
> >> sudo i2cdetect -l 
> > i2c-0 i2c       OMAP I2C adapter                 I2C adapter 
> > i2c-1 i2c       OMAP I2C adapter                 I2C adapter 
> >> 
> > Under 4.1.115: 
> >  >  uname -r 
> > 4.1.15-bone17 
> >>  sudo i2cdetect -l 
> > i2c-0 i2c       OMAP I2C adapter                 I2C adapter 
> > i2c-2 i2c       OMAP I2C adapter                 I2C adapter 
> >> 
> > 
> > Has the I2C smbus at address 1 changed to address 2 as indicated by the 
> > second '2' in i2c-2i2c? I'm assuming this is the second I2C bus at 
> > pins P9_19 and P9_20? If so, would anyone know why? 
> > 
> > Back in 4.1.15 with a cape attached: 
> >> sudo i2cdetect -y -r 2 
> >      0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f 
> > 00:          -- -- -- -- -- -- -- -- -- -- -- -- -- 
> > 10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
> > 20: 20 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
> > 30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
> > 40: -- -- -- -- -- -- -- -- 48 -- -- -- -- -- -- -- 
> > 50: -- -- -- -- UU UU UU UU -- -- -- -- -- -- -- -- 
> > 60: -- -- -- -- -- -- -- -- 68 -- -- -- -- -- -- -- 
> > 70: 70 -- -- -- -- -- -- -- 
> > 
> > and in 3.8.13 with no cape: 
> >> sudo i2cdetect -y -r 1 
> >      0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f 
> > 00:          -- -- -- -- -- -- -- -- -- -- -- -- -- 
> > 10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
> > 20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
> > 30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
> > 40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
> > 50: -- -- -- -- UU UU UU UU -- -- -- -- -- -- -- -- 
> > 60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
> > 70: -- -- -- -- -- -- -- -- 
> >> 
> > The similarity is enough to make me think the bus address has changed? 
>
> See commit: 
>
> ARM: dts: AM33xx+: Add i2c aliases 
> Provide alias to allow ordering the i2c devices correctly. 
>
>
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6a96867844895008558810853c7838af39dd317c
>  
>
> Consider 4.1.x to be the 'correct' way 3.8 should have been done.. 
>
> Regards, 
>
> -- 
> Robert Nelson 
> https://rcn-ee.com/ 
>

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