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From: Miquel RAYNAL <miquel.raynal@free-electrons.com>
To: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Zhang Rui <rui.zhang@intel.com>,
	Eduardo Valentin <edubezval@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Jason Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>,
	Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
	devicetree@vger.kernel.org, Baruch Siach <baruch@tkos.co.il>,
	linux-pm@vger.kernel.org,
	Antoine Tenart <antoine.tenart@free-electrons.com>,
	Nadav Haklai <nadavh@marvell.com>,
	David Sniatkiwicz <davidsn@marvell.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 09/11] thermal: armada: Wait sensors validity before exiting the init callback
Date: Thu, 14 Dec 2017 12:27:33 +0100	[thread overview]
Message-ID: <20171214122733.5c9264c0@xps13> (raw)
In-Reply-To: <87ind9o8o0.fsf@free-electrons.com>

On Thu, 14 Dec 2017 12:23:11 +0100
Gregory CLEMENT <gregory.clement@free-electrons.com> wrote:

> Hi Miquel,
>  
>  On jeu., déc. 14 2017, Miquel Raynal
> <miquel.raynal@free-electrons.com> wrote:
> 
> > The thermal core will check for sensors validity right after the
> > initialization callback has returned. As the initialization routine
> > make a reset, the sensors are not ready immediately and the core
> > spawns an error in the dmesg. Avoid this annoying situation by
> > polling on the validity bit before exiting from these routines.
> > This also avoid the use of blind sleeps.  
> 
> You only modified the armada 380 and ap806 init function. Does it
> means that this feature is not supported on the other variant?

I can't tell for other boards, It does not seem they actually need it
so I did not hacked their init callback. Should I? IMOH, if there is
not problem, there is no fix to add neither.

Miquèl

  reply	other threads:[~2017-12-14 11:27 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-14 10:30 [PATCH v3 00/11] Armada thermal: improvements and A7K/A8K SoCs support Miquel Raynal
2017-12-14 10:30 ` [PATCH v3 01/11] dt-bindings: thermal: Describe Armada AP806 and CP110 Miquel Raynal
     [not found]   ` <20171214103011.24713-2-miquel.raynal-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2017-12-15  8:27     ` Baruch Siach
2017-12-15  8:32       ` Miquel RAYNAL
2017-12-15  8:44         ` Baruch Siach
2017-12-15  8:44         ` Gregory CLEMENT
     [not found]           ` <87po7gmlcs.fsf-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2017-12-15 10:52             ` Miquel RAYNAL
2017-12-15 23:28               ` Rob Herring
2017-12-16 12:50                 ` Miquel RAYNAL
2017-12-14 10:30 ` [PATCH v3 02/11] thermal: armada: Use msleep for long delays Miquel Raynal
2017-12-14 10:51   ` Gregory CLEMENT
2017-12-14 10:30 ` [PATCH v3 06/11] thermal: armada: Add support for Armada CP110 Miquel Raynal
     [not found]   ` <20171214103011.24713-7-miquel.raynal-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2017-12-14 11:11     ` Gregory CLEMENT
     [not found]       ` <87tvwto96y.fsf-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2017-12-14 11:33         ` Miquel RAYNAL
2017-12-14 11:37           ` Gregory CLEMENT
     [not found]             ` <87a7ylo803.fsf-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2017-12-14 12:24               ` Miquel RAYNAL
2017-12-14 10:30 ` [PATCH v3 07/11] thermal: armada: Update Kconfig and module description Miquel Raynal
     [not found]   ` <20171214103011.24713-8-miquel.raynal-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2017-12-14 11:13     ` Gregory CLEMENT
     [not found]       ` <87po7ho93k.fsf-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2017-12-14 11:17         ` Miquel RAYNAL
2017-12-14 11:30           ` Gregory CLEMENT
2017-12-14 11:36             ` Miquel RAYNAL
2017-12-14 13:10             ` Thomas Petazzoni
     [not found] ` <20171214103011.24713-1-miquel.raynal-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2017-12-14 10:30   ` [PATCH v3 03/11] thermal: armada: Simplify the check of the validity bit Miquel Raynal
2017-12-14 10:52     ` Gregory CLEMENT
     [not found]     ` <20171214103011.24713-4-miquel.raynal-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2017-12-15  8:33       ` Baruch Siach
2017-12-15 10:56         ` Miquel RAYNAL
2017-12-14 10:30   ` [PATCH v3 04/11] thermal: armada: Rationalize register accesses Miquel Raynal
     [not found]     ` <20171214103011.24713-5-miquel.raynal-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2017-12-14 10:55       ` Gregory CLEMENT
2017-12-16 22:18       ` Baruch Siach
2017-12-17 22:02         ` Baruch Siach
2017-12-18 12:37           ` Miquel RAYNAL
2017-12-15  8:56     ` Baruch Siach
2017-12-18 13:48       ` Miquel RAYNAL
2017-12-14 10:30   ` [PATCH v3 05/11] thermal: armada: Add support for Armada AP806 Miquel Raynal
     [not found]     ` <20171214103011.24713-6-miquel.raynal-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2017-12-14 11:05       ` Gregory CLEMENT
2017-12-18  9:41         ` Miquel RAYNAL
2017-12-18 11:11           ` Baruch Siach
2017-12-18 12:25             ` Miquel RAYNAL
2017-12-16 22:22     ` Baruch Siach
2017-12-14 10:30   ` [PATCH v3 08/11] thermal: armada: Change sensors trim default value Miquel Raynal
2017-12-14 10:30 ` [PATCH v3 09/11] thermal: armada: Wait sensors validity before exiting the init callback Miquel Raynal
2017-12-14 11:23   ` Gregory CLEMENT
2017-12-14 11:27     ` Miquel RAYNAL [this message]
2017-12-14 10:30 ` [PATCH v3 10/11] thermal: armada: Give useful names to the thermal zone Miquel Raynal
2017-12-14 10:30 ` [PATCH v3 11/11] ARM64: dts: marvell: Add thermal support for A7K/A8K Miquel Raynal

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