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Re: [PATCH] clk: samsung: exynos5433: use clock_ignore_unused flag for SPI3 related clocks

From Tomasz Figa <tomasz.figa@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH] clk: samsung: exynos5433: use clock_ignore_unused flag for SPI3 related clocks
Date 2016-06-19 15:50 +0200
Message-ID <rLLgR-33m-1@gated-at.bofh.it> (permalink)
References <rKXap-43m-9@gated-at.bofh.it> <rLpzH-5f3-9@gated-at.bofh.it> <rLDW1-6sS-3@gated-at.bofh.it>
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2016-06-19 14:59 GMT+09:00 Andi Shyti <andi@etezian.org>:
> Hi Tomasz,
>
>> > The SPI 3 bus uses two clocks, a bus clock and an input clock.
>> > Do not disable the clocks when unused in order to allow access to
>> > the SPI 3 device.
>>
>> If unused, why would access to SPI 3 device needed?
>
> because next I will submit a small driver which uses the SPI3.
> Actually in the exynos5433 boards all the SPI are used but not all
> the drivers are ported to mainline.

Then shouldn't the driver request the clocks and enable them? Or I'm
missing something obvious? :)

Best regards,
Tomasz

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Thread

[PATCH] clk: samsung: exynos5433: use clock_ignore_unused flag for  SPI3 related clocks Andi Shyti <andi.shyti@samsung.com> - 2016-06-17 10:20 +0200
  Re: [PATCH] clk: samsung: exynos5433: use clock_ignore_unused flag  for SPI3 related clocks Tomasz Figa <tomasz.figa@gmail.com> - 2016-06-18 16:40 +0200
    Re: [PATCH] clk: samsung: exynos5433: use clock_ignore_unused flag  for SPI3 related clocks Andi Shyti <andi@etezian.org> - 2016-06-19 08:00 +0200
      Re: [PATCH] clk: samsung: exynos5433: use clock_ignore_unused flag  for SPI3 related clocks Tomasz Figa <tomasz.figa@gmail.com> - 2016-06-19 15:50 +0200
        Re: [PATCH] clk: samsung: exynos5433: use clock_ignore_unused flag for  SPI3 related clocks Andi Shyti <andi.shyti@samsung.com> - 2016-06-20 07:50 +0200
          Re: [PATCH] clk: samsung: exynos5433: use clock_ignore_unused flag  for SPI3 related clocks Tomasz Figa <tomasz.figa@gmail.com> - 2016-06-20 11:10 +0200
            Re: [PATCH] clk: samsung: exynos5433: use clock_ignore_unused flag for  SPI3 related clocks Andi Shyti <andi.shyti@samsung.com> - 2016-06-20 12:30 +0200

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