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Re: [PATCH] ARM: dts: i.MX25: add ranges to tscadc

From Shawn Guo <shawnguo@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH] ARM: dts: i.MX25: add ranges to tscadc
Date 2017-08-05 07:40 +0200
Message-ID <uaZYC-xF-13@gated-at.bofh.it> (permalink)
References <ua87U-6eM-7@gated-at.bofh.it> <uae3E-1Qv-3@gated-at.bofh.it> <uarkd-2yP-3@gated-at.bofh.it>
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On Thu, Aug 03, 2017 at 06:29:48PM +0200, Martin Kaiser wrote:
> Hi Shawn,
> 
> Thus wrote Shawn Guo (shawnguo@kernel.org):
> 
> > On Wed, Aug 02, 2017 at 10:06:11PM +0200, Martin Kaiser wrote:
> > > Add a ranges; line to the tscadc node. This creates a 1:1 mapping between
> > > the addresses used by tscadc and those in its child nodes (adc, tsc).
> 
> > > Without such a mapping, the reg = ... lines in the tsc and adc nodes do
> > > not create a resource. Probing the fsl-imx25-tcq and fsl-imx25-tsadc
> > > drivers will then fail since there's no IORESOURCE_MEM.
> 
> > > Signed-off-by: Martin Kaiser <martin@kaiser.cx>
> 
> > Do we need the following Fixes tag?
> 
> > Fixes: 92f651f39b42 ("ARM: dts: imx25: Add TSC and ADC support")
> 
> yes, looks like this has never worked correctly.
> 
> If you're ok with the fix, I can add the tag in v2.

I added the Fixes tag and applied the patch.  Thanks.

Shawn

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Thread

[PATCH] ARM: dts: i.MX25: add ranges to tscadc Martin Kaiser <martin@kaiser.cx> - 2017-08-02 22:10 +0200
  Re: [PATCH] ARM: dts: i.MX25: add ranges to tscadc Shawn Guo <shawnguo@kernel.org> - 2017-08-03 04:30 +0200
    Re: [PATCH] ARM: dts: i.MX25: add ranges to tscadc Martin Kaiser <martin@kaiser.cx> - 2017-08-03 18:40 +0200
      Re: [PATCH] ARM: dts: i.MX25: add ranges to tscadc Shawn Guo <shawnguo@kernel.org> - 2017-08-05 07:40 +0200

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