* Andreas Kemnade <andreas@xxxxxxxxxxxx> [160802 08:14]: > On Tue, 2 Aug 2016 03:33:34 -0700 > Tony Lindgren <tony@xxxxxxxxxxx> wrote: > > > * Andreas Kemnade <andreas@xxxxxxxxxxxx> [160729 11:14]: > > > The code assumes that omap2430_musb_enable() and > > > omap2430_musb_disable() is called in a balanced way. The > > > That fact is broken by the fact that musb_init_controller() calls > > > musb_platform_disable() to switch from unknown state to off state. > > > > OK, some spelling issues with the above paragraph though :) > > > > > That means that phy_power_off() is called first so that > > > phy->power_count gets -1 and the phy is not enabled on > > > phy_power_on(). In the probably common case of using the > > > phy_twl4030, that prevents also charging the battery and so makes > > > further kernel debugging hard. > > > > Is this with v4.7 kernel? Also, care to describe how you hit this > > and on which hardware? Just wondering.. > > I got this error on the Openphoenux GTA04 phone. It has a DM3730 > SoC and a TPS65950 companion. Severe charging problems were already > observed with the 4.4rc1. I do not know if that already was exactly > *this* problem. I have debugged and patched the v4.7 kernel. OK thanks for the info. > How I hit the problem: Just boot an that device and try to charge > via usb. OK so it's the twl4030 charger then I guess. > Should I resubmit the patch with an extended commit message? Well yeah it might be worth describing that it's the twl4030 charger that otherwise does not work properly. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
