Messages in this thread | | | Date | Wed, 26 Oct 2016 09:56:20 +0100 | From | Peter Griffin <> | Subject | Re: [PATCH] ARM: sti: stih410-clocks: Add PROC_STFE as a critical clock |
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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.
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