Re: [PATCH] clk: ti: omap5+: dpll: implement errata i810

2015-12-11 Thread Tony Lindgren
* Tero Kristo [151211 00:42]: > On 12/03/2015 06:48 PM, Tony Lindgren wrote: > >* Tero Kristo [151130 06:44]: > >>+ /* > >>+* Errata i810 - DPLL controller can get stuck while transitioning > >>+* to a power saving state. Software must ensure the DPLL

Re: [PATCH] clk: ti: omap5+: dpll: implement errata i810

2015-12-11 Thread Tero Kristo
On 12/03/2015 06:48 PM, Tony Lindgren wrote: * Tero Kristo [151130 06:44]: + /* +* Errata i810 - DPLL controller can get stuck while transitioning +* to a power saving state. Software must ensure the DPLL can not +* transition to a low power state

Re: [PATCH] clk: ti: omap5+: dpll: implement errata i810

2015-12-03 Thread Tony Lindgren
* Tero Kristo [151130 06:44]: > + /* > + * Errata i810 - DPLL controller can get stuck while transitioning > + * to a power saving state. Software must ensure the DPLL can not > + * transition to a low power state while changing M/N values. > + * Easiest

[PATCH] clk: ti: omap5+: dpll: implement errata i810

2015-11-30 Thread Tero Kristo
Errata i810 states that DPLL controller can get stuck while transitioning to a power saving state, while its M/N ratio is being re-programmed. As a workaround, before re-programming the M/N ratio, SW has to ensure the DPLL cannot start an idle state transition. SW can disable DPLL idling by

Re: [PATCH] clk: ti: omap5+: dpll: implement errata i810

2015-11-30 Thread Stephen Boyd
On 11/30, Tero Kristo wrote: > Errata i810 states that DPLL controller can get stuck while transitioning > to a power saving state, while its M/N ratio is being re-programmed. > > As a workaround, before re-programming the M/N ratio, SW has to ensure > the DPLL cannot start an idle state