linux-kernel - Re: [PATCH v9 2/4] i2c: tegra: Move variant to tegra_i2c_hw

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Message-ID: <aXqKnm3yR5G1I0Ut@zenone.zhora.eu>
Date: Wed, 28 Jan 2026 23:17:10 +0100
From: Andi Shyti <andi.shyti@...nel.org>
To: Kartik Rajput <kkartik@...dia.com>
Cc: ldewangan@...dia.com, digetx@...il.com, thierry.reding@...il.com, 
	jonathanh@...dia.com, akhilrajeev@...dia.com, smangipudi@...dia.com, 
	linux-i2c@...r.kernel.org, linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v9 2/4] i2c: tegra: Move variant to tegra_i2c_hw_feature

Hi Kartik,

> > > @@ -280,7 +282,6 @@ struct tegra_i2c_hw_feature {
> > >    * @base_phys: physical base address of the I2C controller
> > >    * @cont_id: I2C controller ID, used for packet header
> > >    * @irq: IRQ number of transfer complete interrupt
> > > - * @variant: This represents the I2C controller variant.
> > >    * @msg_complete: transfer completion notifier
> > >    * @msg_buf_remaining: size of unsent data in the message buffer
> > >    * @msg_len: length of message in current transfer
> > > @@ -332,13 +333,12 @@ struct tegra_i2c_dev {
> > >        bool atomic_mode;
> > >        bool dma_mode;
> > >        bool msg_read;
> > > -     enum tegra_i2c_variant variant;
> > >   };
> > > 
> > >   #define IS_DVC(dev) (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC) && \
> > > -                  (dev)->variant == TEGRA_I2C_VARIANT_DVC)
> > > +                  (dev)->hw->variant == TEGRA_I2C_VARIANT_DVC)
> > >   #define IS_VI(dev)  (IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC) && \
> > > -                  (dev)->variant == TEGRA_I2C_VARIANT_VI)
> > > +                  (dev)->hw->variant == TEGRA_I2C_VARIANT_VI)
> > > 
> > >   static void dvc_writel(struct tegra_i2c_dev *i2c_dev, u32 val,
> > >                       unsigned int reg)
> > > @@ -1647,8 +1647,42 @@ static const struct tegra_i2c_hw_feature tegra20_i2c_hw = {
> > >        .has_interface_timing_reg = false,
> > >        .enable_hs_mode_support = false,
> > >        .has_mutex = false,
> > > +     .variant = TEGRA_I2C_VARIANT_DEFAULT,
> > >   };
> > 
> > in v8 I made a question at this point, could you please answer?

...

> Are you referring to the following question on v7 of this series, which I've already addressed?
> https://lore.kernel.org/linux-tegra/c3cdece5-1bf6-46eb-a668-2ee2a4358a88@nvidia.com/#t

I'm sorry, what have you addressed. It doesn't look addressed to
me. In the same series, I want to avoid adding something in one
patch and removing it in the next. It just adds noise.

Andi