Am Mittwoch, den 27.11.2013, 10:13 -0700 schrieb Stephen Warren: > On 11/26/2013 04:45 PM, Stefan Agner wrote: > > Set the requested SM2 voltage to the correct value of 1.8V. The value > > before used to work on TPS658623 since the driver applied a wrong > > voltage table too. However, the TPS658643 used on newer devices uses > > yet another voltage table and those broke that compatibility. The > > regulator driver now has the correct voltage table for both regulator > > versions and those the correct voltage can be used in this device > > tree. > > One thing you haven't called out explicitly here is that this series is > an incompatible change to the DT, since the old buggy driver used to > allow old buggy DT content to accidentally work. > The current (wrong and potentially dangerous) DT content only worked on the engineering sample models. So this change definitely does improve the situation, even with the risk of breaking a small fraction of working boards. > I'm not too familiar with who's using mainline on the Colibri boards. > Hopefully everyone doing that is using in-kernel DTs, so this > incompatible change won't be any issue for anyone. > I know of some parties using mainline, but I think everyone so far is able to use DTs bundled with the kernel. Regards, Lucas -- Pengutronix e.K. | Lucas Stach | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-5076 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
