2014-02-05 Grygorii Strashko <grygorii.strashko@xxxxxx>: > Hi All, > On 02/05/2014 05:06 PM, Illia Smyrnov wrote: >> Commit 313a76e (ARM: OMAP2+: hwmod: Fix SOFTRESET logic) introduced >> softreset bit cleaning right after set one. It is caused L3 error for >> OMAP4 ISS because ISS register write occurs when ISS reset process is in >> progress. Avoid this situation by cleaning softreset bit later, when reset >> process is successfully finished. > > I'd like to mention that this issue has been caught while upgrading > custom Linux Kernel 3.4 to the last Stable Kernel linux-3.4.y. > So, the same OMAP4+ functionality can be broken in all Stable trees > where commit "ARM: OMAP2+: hwmod: Fix SOFTRESET logic" was merged to. > > On OMAP4+ we should always try to wait until IP reset is finished before proceed. > > Reviewed-by: "Grygorii Strashko <grygorii.strashko@xxxxxx>" > > Error log example (k3.4): > Thanks - I for a moment thought it was on newer kernels :). Looping in Dan who is currently looking at reset driver replacement for existing hwmod based reset solution. Regards, Nishanth Menon -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
