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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Fri, 15 Feb 2019 21:19:02 +0200
From:   Tero Kristo <t-kristo@...com>
To:     Andreas Kemnade <andreas@...nade.info>,
        Tony Lindgren <tony@...mide.com>
CC:     <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 09/02/2019 20:53, Andreas Kemnade wrote:
> 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?

Sorry, I've just been pretty busy as usual, queued up for 5.1 now, thanks.

-Tero
--
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki