Re: [PATCH] ARM: sti: stih410-clocks: Add PROC_STFE as a critical clock

From	Peter Griffin <peter.griffin@linaro.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH] ARM: sti: stih410-clocks: Add PROC_STFE as a critical clock
Date	2016-10-26 11:00 +0200
Message-ID	<swsdY-1ge-21@gated-at.bofh.it> (permalink)
References	(3 earlier) <sw4EG-2zg-55@gated-at.bofh.it> <sw6n8-3Lf-17@gated-at.bofh.it> <sw6Gv-3S0-49@gated-at.bofh.it> <swaqJ-6ln-9@gated-at.bofh.it> <sws4i-1cs-21@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Hi Lee,

On Wed, 26 Oct 2016, Lee Jones wrote:

> > > > If the clock is enabled when Linux boots, the Linux clock framework *needs*
> > > > to assume the hardware may have been used in previous boot stages, and it should
> > > > not attempt to disable the clock.
> > > 
> > > None of the boot loaders we use do this.
> > 
> > But the Linux kernel isn't just used by us. It is not uncommon for STB
> > bootloaders to get information from the frontend as part of the boot process. 
> 
> Okay, this is the clincher.  Since we need to support non-standard
> bootloaders, it's difficult to guarantee that the clock will be
> disabled at boot.  For this reason, I believe that we can call this a
> critical clock.
> 
That's good news as the STi maintainer already acked and applied the patch.

Peter.

Thread

[PATCH] ARM: sti: stih410-clocks: Add PROC_STFE as a critical clock Peter Griffin <peter.griffin@linaro.org> - 2016-10-18 17:40 +0200
  Re: [PATCH] ARM: sti: stih410-clocks: Add PROC_STFE as a critical  clock Patrice Chotard <patrice.chotard@st.com> - 2016-10-20 16:00 +0200
  Re: [PATCH] ARM: sti: stih410-clocks: Add PROC_STFE as a critical  clock Lee Jones <lee.jones@linaro.org> - 2016-10-24 11:00 +0200
    Re: [PATCH] ARM: sti: stih410-clocks: Add PROC_STFE as a critical  clock Peter Griffin <peter.griffin@linaro.org> - 2016-10-24 15:50 +0200
      Re: [PATCH] ARM: sti: stih410-clocks: Add PROC_STFE as a critical  clock Lee Jones <lee.jones@linaro.org> - 2016-10-25 09:50 +0200
        Re: [PATCH] ARM: sti: stih410-clocks: Add PROC_STFE as a critical  clock Peter Griffin <peter.griffin@linaro.org> - 2016-10-25 11:40 +0200
          Re: [PATCH] ARM: sti: stih410-clocks: Add PROC_STFE as a critical  clock Lee Jones <lee.jones@linaro.org> - 2016-10-25 12:00 +0200
            Re: [PATCH] ARM: sti: stih410-clocks: Add PROC_STFE as a critical  clock Peter Griffin <peter.griffin@linaro.org> - 2016-10-25 16:00 +0200
              Re: [PATCH] ARM: sti: stih410-clocks: Add PROC_STFE as a critical  clock Lee Jones <lee.jones@linaro.org> - 2016-10-26 10:50 +0200
                Re: [PATCH] ARM: sti: stih410-clocks: Add PROC_STFE as a critical  clock Peter Griffin <peter.griffin@linaro.org> - 2016-10-26 11:00 +0200
                Re: [PATCH] ARM: sti: stih410-clocks: Add PROC_STFE as a critical  clock Lee Jones <lee.jones@linaro.org> - 2016-10-26 15:00 +0200

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