Re: [PATCH 1/3] Revert "i2c: qcom-cci: Remove unused struct member cci_clk_rate"

Vladimir Zapolskiy <[email protected]> Sat, 25 Jul 2026 08:41:30 +0300
Newsgroups org.kernel.vger.linux-i2c,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
On 7/25/26 01:57, Andi Shyti wrote:
> Hi Loic,
> 
> On Tue, Jul 21, 2026 at 04:58:19PM +0200, Loic Poulain wrote:
>> This reverts commit b641af684fc28a07bee9c808eb6c433f9d9bcec6.
>>
>> The cci_clk_rate field is needed to enforce the correct CCI clock rate
>> at probe time. The hw_params timing values are in clock ticks and were
>> calibrated for a specific frequency per hardware variant, so running at
>> the wrong rate would violate I2C timing specifications.
>>
>> Signed-off-by: Loic Poulain <[email protected]>
> 
> Does this revert need a Fixes tag? I haven't seen very often
> reverts with Fixes tag, but it makes sense if they need to be
> backported.

This revert commit does not need a Fixes tag, since there is no bug
fixed by the revert commit, I believe. But perhaps a series of commits
may need Fixes tags each, if the series is to be backported.

> I'm going to take patch 1 and 2 already while we discuss patch 3
> separately, but please let me know first if you agree adding the
> Fixes tag.
> 

-- 
Best wishes,
Vladimir