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From: Krzysztof Kozlowski <k.kozlowski@samsung.com>
To: Andi Shyti <andi.shyti@samsung.com>,
	Chanwoo Choi <cw00.choi@samsung.com>,
	Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: Jaehoon Chung <jh80.chung@samsung.com>,
	Tomasz Figa <tomasz.figa@gmail.com>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@codeaurora.org>,
	Kukjin Kim <kgene@kernel.org>,
	linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, Andi Shyti <andi@etezian.org>
Subject: Re: [PATCH v5] clk: exynos5433: remove CLK_IGNORE_UNUSED flag from SPI clocks
Date: Fri, 08 Jul 2016 15:24:44 +0200	[thread overview]
Message-ID: <577FA99C.9020600@samsung.com> (raw)
In-Reply-To: <1467982058-14339-1-git-send-email-andi.shyti@samsung.com>

On 07/08/2016 02:47 PM, Andi Shyti wrote:
> Commit b82ec4e and a9e93e8 have added support in the spi device
> driver for the three clock lines required by the SPI controller
> and handles the dependency between the three (by not disabling
> any after resume).
> 
> This way none of the SPI clocks require any criticality: remove,
> then the CLK_IGNORE_UNUSED flag for the SPI related clocks.
> 
> Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
> ---
> 
> Hi,
> 
> With this, I hope to have reached the end of this patch series :)
> 
> After some discussions with Tomasz first and Sylwester later, we
> agreed to move all the clock management to the spi driver, here
> are the patches that do that:
> 
>   http://marc.info/?l=linux-kernel&m=146787645626318&w=2
>   http://marc.info/?l=linux-kernel&m=146798033221943&w=2
> 
> With the above modifications to the spi driver we don't need any
> of the SPI related clocks to be marked either as critical or as
> ignore unused.
> 
> Thanks,
> Andi
> 
>  drivers/clk/samsung/clk-exynos5433.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 

Patch is okay:
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>

but I think this should not go in separately. This should be part of
SPI-related changes which add proper ioclk consumer to the SPI driver.
Without these changes, as you said to me, synchronous abort will happen.

Best regards,
Krzysztof

  reply	other threads:[~2016-07-08 13:24 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-08 12:47 [PATCH v5] clk: exynos5433: remove CLK_IGNORE_UNUSED flag from SPI clocks Andi Shyti
2016-07-08 13:24 ` Krzysztof Kozlowski [this message]
2016-07-08 14:27   ` Andi Shyti

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