linux-kernel - Re: [PATCH v3] i2c: bpmp-tegra: Ignore unknown I2C

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Message-ID: <99326ffc-7590-84ce-dfa7-7c09bc17ca31@kapsi.fi>
Date:   Mon, 18 Jan 2021 13:22:16 +0200
From:   Mikko Perttunen <cyndis@...si.fi>
To:     Wolfram Sang <wsa@...nel.org>,
        Mikko Perttunen <mperttunen@...dia.com>
Cc:     thierry.reding@...il.com, jonathanh@...dia.com, talho@...dia.com,
        linux-i2c@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH v3] i2c: bpmp-tegra: Ignore unknown I2C_M flags

On 1/17/21 1:20 PM, Wolfram Sang wrote:
> On Tue, Jan 12, 2021 at 12:22:25PM +0200, Mikko Perttunen wrote:
>> In order to not to start returning errors when new I2C_M flags are
>> added, change behavior to just ignore all flags that we don't know
>> about. This includes the I2C_M_DMA_SAFE flag that already exists.
>>
>> Cc: stable@...r.kernel.org # v4.19+
>> Signed-off-by: Mikko Perttunen <mperttunen@...dia.com>
> 
> Applied to for-current, thanks! I added also this sentence from v2 to
> the description to justify stable: "but causes -EINVAL to be returned
> for valid transactions."

Thanks!

> 
> Also, this driver has no dedicated maintainer. Is there someone up for
> this task? There is probably little to do and it will speed up patch
> acceptance because I pick patches once the driver maintainer is happy.
> 

I think it falls under the 'TEGRA ARCHITECTURE SUPPORT' wildcard 
(Thierry and Jon). Do we need a more specific maintainer entry?

If it's helpful to Thierry and Jon, I guess I could pick it up.

Mikko