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From: Andi Shyti <andi.shyti@kernel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc: Andi Shyti <andi.shyti@kernel.org>,
	linux-i2c@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, Wolfram Sang <wsa@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Chris Packham <chris.packham@alliedtelesis.co.nz>,
	Ryan Chen <ryan_chen@aspeedtech.com>
Subject: Re: [PATCH v3 1/3] dt-bindings: i2c: mpc: Mark "fsl,timeout" as deprecated
Date: Tue, 14 Mar 2023 15:36:23 +0100	[thread overview]
Message-ID: <20230314143623.gkbs2htdcw4gue6c@intel.intel> (raw)
In-Reply-To: <06468199-b7cf-113f-b8b7-89c196842538@linaro.org>

On Tue, Mar 14, 2023 at 03:22:19PM +0100, Krzysztof Kozlowski wrote:
> On 14/03/2023 15:21, Krzysztof Kozlowski wrote:
> > On 13/03/2023 00:36, Andi Shyti wrote:
> >> Now we have the i2c-scl-clk-low-timeout-ms property defined in
> >> the i2c schema.
> >>
> >> Mark "fsl,timeout" as deprecated and update the example.
> >>
> >> Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
> >> ---
> >>  Documentation/devicetree/bindings/i2c/i2c-mpc.yaml | 3 ++-
> >>  1 file changed, 2 insertions(+), 1 deletion(-)
> >>
> > 
> > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> 
> ...
> 
> and unreviewed. Are you sure these are using same units? Old code used us.
> 
> Your example:
> 	i2c-scl-clk-low-timeout-ms = <10000>;
> 
> 10s timeout?

ops!

I will keep it ms, if anyone doesn't have anything against. The
clock stretching goes in order of milliseconds and in any case
doesn't need to be precisely that, as long as it's longer.

I don't see any need for it to be us... if it 12500us, let it be
13ms.

I will update the example.

Can I keep your r-b with:

	i2c-scl-clk-low-timeout-ms = <10>;

?

Thanks for noticing it, it would have been a wacky mistake,
Andi

  reply	other threads:[~2023-03-14 14:36 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-12 23:36 [PATCH v3 0/3] Add the clock stretching i2c property Andi Shyti
2023-03-12 23:36 ` [PATCH v3 1/3] dt-bindings: i2c: mpc: Mark "fsl,timeout" as deprecated Andi Shyti
2023-03-14 14:10   ` Rob Herring
2023-03-14 14:19     ` Krzysztof Kozlowski
2023-03-14 14:21   ` Krzysztof Kozlowski
2023-03-14 14:22     ` Krzysztof Kozlowski
2023-03-14 14:36       ` Andi Shyti [this message]
2023-03-12 23:36 ` [PATCH v3 2/3] i2c: mpc: Use of_property_read_u32 instead of of_get_property Andi Shyti
2023-03-13  1:53   ` Chris Packham
2023-03-12 23:36 ` [PATCH v3 3/3] i2c: mpc: Use i2c-scl-clk-low-timeout-ms i2c property Andi Shyti
2023-03-13  1:53   ` Chris Packham
2023-03-13  8:58     ` Andi Shyti
2023-03-14 14:22   ` Krzysztof Kozlowski
2023-03-14 15:16     ` Andi Shyti
2023-03-14 19:47       ` Chris Packham
2023-03-14 20:48         ` Andi Shyti

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