linux-kernel - Re: [PATCH v3 0/3] mach-omap2: handle autoidle denial

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Message-ID: <20190209195105.74bb9085@aktux>
Date:   Sat, 9 Feb 2019 19:53:39 +0100
From:   Andreas Kemnade <andreas@...nade.info>
To:     Tony Lindgren <tony@...mide.com>
Cc:     t-kristo@...com, mturquette@...libre.com, sboyd@...nel.org,
        linux-omap@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, bcousson@...libre.com,
        paul@...an.com, letux-kernel@...nphoenux.org
Subject: Re: [PATCH v3 0/3] mach-omap2: handle autoidle denial

On Mon, 21 Jan 2019 11:58:03 -0800
Tony Lindgren <tony@...mide.com> wrote:

> * Andreas Kemnade <andreas@...nade.info> [190116 14:04]:
> > On the gta04 with a dm3730 omap_hdq does not work properly when the
> > device enters lower power states. Idling uart1 and 2 is enough
> > to show up that problem, if there are no other things enabled.
> > Further research reveals that hdq iclk must not be turned off during
> > transfers, also according to the TRM. That fact is also correctly described
> > in the flags but the code to handle that is incomplete.
> > 
> > To handle multiple users of a single ick, autoidle is disabled
> > when a user of that ick requires that (has the OCPIF_SWSUP_IDLE))
> > 
> > Changes v3:
> > - replace CLK_IS_BASIC
> > 
> > Changes v2:
> > - uses spinlocks instead of mutexes
> > - invert counter logic
> > - check whether clock type is basic  
> 
> For this series it's best to merge it all via the
> clock tree along with the related clock patches:
> 
> Acked-by: Tony Lindgren <tony@...mide.com>
> 
hmm, this is stalled. Have I missed any new objections?

Regards,
Andreas

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