linux-kernel - Re: [PATCH v2 05/11] i2c: npcm: Remove unused clock node

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Message-ID: <YhN8OGIR9eSCus8E@latitude>
Date:   Mon, 21 Feb 2022 12:49:12 +0100
From:   Jonathan Neuschäfer <j.neuschaefer@....net>
To:     Tyrone Ting <warp5tw@...il.com>
Cc:     avifishman70@...il.com, tmaimon77@...il.com, tali.perry1@...il.com,
        venture@...gle.com, yuenn@...gle.com, benjaminfair@...gle.com,
        robh+dt@...nel.org, krzysztof.kozlowski@...onical.com,
        semen.protsenko@...aro.org, yangyicong@...ilicon.com,
        wsa@...nel.org, jie.deng@...el.com, sven@...npeter.dev,
        bence98@....bme.hu, christophe.leroy@...roup.eu,
        lukas.bulwahn@...il.com, olof@...om.net, arnd@...db.de,
        digetx@...il.com, andriy.shevchenko@...ux.intel.com,
        tali.perry@...oton.com, Avi.Fishman@...oton.com,
        tomer.maimon@...oton.com, KWLIU@...oton.com, JJLIU0@...oton.com,
        kfting@...oton.com, devicetree@...r.kernel.org,
        openbmc@...ts.ozlabs.org, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 05/11] i2c: npcm: Remove unused clock node

On Sun, Feb 20, 2022 at 11:53:15AM +0800, Tyrone Ting wrote:
> From: Tali Perry <tali.perry1@...il.com>
> 
> Remove unused npcm750-clk node.

You're not actually removing a node, for example in the sense of removing a
devicetree node from a devicetree.

So, I think "Remove unused variable clk_regmap." would be a better
description.

> 
> Fixes: 56a1485b102e ("i2c: npcm7xx: Add Nuvoton NPCM I2C controller driver")
> Signed-off-by: Tali Perry <tali.perry1@...il.com>
> Signed-off-by: Tyrone Ting <kfting@...oton.com>
> ---
>  drivers/i2c/busses/i2c-npcm7xx.c | 5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-npcm7xx.c b/drivers/i2c/busses/i2c-npcm7xx.c
> index a51db3f50274..9ccb9958945e 100644
> --- a/drivers/i2c/busses/i2c-npcm7xx.c
> +++ b/drivers/i2c/busses/i2c-npcm7xx.c
> @@ -2233,7 +2233,6 @@ static int npcm_i2c_probe_bus(struct platform_device *pdev)
>  	struct i2c_adapter *adap;
>  	struct clk *i2c_clk;
>  	static struct regmap *gcr_regmap;
> -	static struct regmap *clk_regmap;
>  	int irq;
>  	int ret;
>  	struct device_node *np = pdev->dev.of_node;
> @@ -2256,10 +2255,6 @@ static int npcm_i2c_probe_bus(struct platform_device *pdev)
>  		return PTR_ERR(gcr_regmap);
>  	regmap_write(gcr_regmap, NPCM_I2CSEGCTL, NPCM_I2CSEGCTL_INIT_VAL);
>  
> -	clk_regmap = syscon_regmap_lookup_by_compatible("nuvoton,npcm750-clk");
> -	if (IS_ERR(clk_regmap))
> -		return PTR_ERR(clk_regmap);
> -

The change itself looks good to me,

Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@....net>

>  	bus->reg = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(bus->reg))
>  		return PTR_ERR(bus->reg);
> -- 
> 2.17.1
> 


Thanks,
Jonathan

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