linux-kernel - Re: [PATCH v3 0/3] Fix Arndale Octa/Peach Pi boot on Audio subsystem clocks

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Date:	Thu, 04 Dec 2014 11:52:43 +0100
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Mike Turquette <mturquette@...aro.org>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>
Cc:	Tomasz Figa <tomasz.figa@...il.com>, Kukjin Kim <kgene@...nel.org>,
	linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>,
	Linus Walleij <linus.walleij@...aro.org>,
	linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
	Vivek Gautam <gautam.vivek@...sung.com>,
	Kevin Hilman <khilman@...nel.org>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: Re: [PATCH v3 0/3] Fix Arndale Octa/Peach Pi boot on Audio subsystem
 clocks

On czw, 2014-12-04 at 11:47 +0100, Krzysztof Kozlowski wrote:
> Hi,
> 
> 
> Changes since v2
> ================
> 1. Patch 1 applied ("clk: samsung: Fix double add of syscore ops after
>    driver rebind"), remove it.
> 2. Squash patch 5 with "clk: samsung: Fix clock disable
>    failure because domain being gated". Suggested by Sylwester.
> 3. Patch 1/3: Fix issues pointed by Sylwester.
> 4. Patch 2/3: Fix redundant clk_disable when removing driver (clk is
>    already disabled). Add missing check !=null when removing driver.
> 5. Patch 3/3: Extend commit message.


Aaa, I forgot to add tested-by Javier Martinez Canillas
<javier.martinez@...labora.co.uk>
https://lkml.org/lkml/2014/11/26/420

These are minor changes so I think the "tested-by" still applies.
If patches are OK and someone applies the, please don't forget about
that tag.

Best regards,
Krzysztof

> 
> Changes since v1
> ================
> 1. clocks-audss: Reimplement own clock register functions instead
>    changing clk API. Minor fixes. (after idea from Tomasz Figa)
> 2. Add new patches: fix for pinctrl and minor fixes in clk-audss.
> 
> Description
> ===========
> This patchset tries to solve dependency between AudioSS components
> (clocks and GPIO) and main clock controller on Exynos 5420 platform.
> 
> This solves boot failure of Peach Pi/Pit and Arndale Octa [1].
> 
> Any access to memory of audss block (like checking if clock is enabled
> or configuring GPIO) will hang if main audss clock is gated.
> 
> Tested on Arndale Octa board.
> 
> [1] http://www.spinics.net/lists/linux-samsung-soc/msg39331.html
> 
> Best regards,
> Krzysztof Kozlowski
> 
> 
> Krzysztof Kozlowski (3):
>   clk: samsung: Fix clock disable failure because domain being gated
>   pinctrl: exynos: Fix GPIO setup failure because domain clock being
>     gated
>   ARM: dts: exynos5420: Add clock for audss pinctrl (fixing GPIO setup
>     failure)
> 
>  .../bindings/pinctrl/samsung-pinctrl.txt           |   6 +
>  arch/arm/boot/dts/exynos5420-pinctrl.dtsi          |   3 +
>  drivers/clk/samsung/clk-exynos-audss.c             | 357 ++++++++++++++++++---
>  drivers/pinctrl/samsung/pinctrl-samsung.c          | 111 ++++++-
>  drivers/pinctrl/samsung/pinctrl-samsung.h          |   2 +
>  5 files changed, 436 insertions(+), 43 deletions(-)
> 

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