Linux I2C development
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From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Loic Poulain <loic.poulain@oss.qualcomm.com>,
	Robert Foss <rfoss@kernel.org>,
	Andi Shyti <andi.shyti@kernel.org>,
	Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
	Luca Weiss <luca@lucaweiss.eu>
Cc: linux-i2c@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-kernel@vger.kernel.org, vladimir.zapolskiy@linaro.org,
	konradybcio@kernel.org, stephan.gerhold@linaro.org
Subject: Re: [PATCH v4 4/5] i2c: qcom-cci: Share the timing table across CCI revisions
Date: Tue, 18 Aug 2026 14:07:33 +0200	[thread overview]
Message-ID: <8eb4ee0d-a505-4b2f-b0ce-ac4f21384ff5@oss.qualcomm.com> (raw)
In-Reply-To: <20260801-cci-clk-fix-v4-4-e1d80da54e01@oss.qualcomm.com>

On 8/1/26 10:10 PM, Loic Poulain wrote:
> The hw_params timing values only depend on the CCI clock rate and the
> I2C mode, not on the hardware revision: every per-variant table used
> identical values for a given [rate][mode]. Only the set of supported
> modes differs between revisions.
> 
> Move the timings into a single shared cci_hw_params[rate][mode] table
> and describe each variant's highest supported mode in cci_data with
> max_mode instead of duplicating the timing values. This removes the
> per-variant timing tables without any functional change.
> 
> Suggested-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
> Signed-off-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad

  reply	other threads:[~2026-08-18 12:07 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-01 20:10 [PATCH v4 0/5] i2c: qcom-cci: Enforce the required CCI clock rate Loic Poulain
2026-08-01 20:10 ` [PATCH v4 1/5] i2c: qcom-cci: Switch msm8953 to the CCI v2 timing/rate config Loic Poulain
2026-08-18 11:54   ` Konrad Dybcio
2026-08-19 11:10   ` Vladimir Zapolskiy
2026-08-01 20:10 ` [PATCH v4 2/5] i2c: qcom-cci: Support per-mode CCI clock rates Loic Poulain
2026-08-18 11:59   ` Konrad Dybcio
2026-08-19 11:24   ` Vladimir Zapolskiy
2026-08-01 20:10 ` [PATCH v4 3/5] i2c: qcom-cci: Add 19.2 MHz timings for the v2 CCI Loic Poulain
2026-08-18 12:06   ` Konrad Dybcio
2026-08-19 11:26   ` Vladimir Zapolskiy
2026-08-01 20:10 ` [PATCH v4 4/5] i2c: qcom-cci: Share the timing table across CCI revisions Loic Poulain
2026-08-18 12:07   ` Konrad Dybcio [this message]
2026-08-19 11:30   ` Vladimir Zapolskiy
2026-08-01 20:10 ` [PATCH v4 5/5] i2c: qcom-cci: Enforce the required CCI clock rate Loic Poulain
2026-08-18 12:16   ` Konrad Dybcio

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