linux-kernel - Re: [PATCH v2 1/3] mfd: max8998: Remove CONFIG_OF around max8998_dt

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Date:   Wed, 12 Apr 2017 08:59:21 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     linux-kernel@...r.kernel.org, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        "open list:NETWORKING DRIVERS" <netdev@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE" 
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH v2 1/3] mfd: max8998: Remove CONFIG_OF around
 max8998_dt_match

On Tue, 11 Apr 2017, Florian Fainelli wrote:

> A subsequent patch is going to make of_match_node() an inline stub when
> CONFIG_OF is disabled which will properly take care of having the compiler
> eliminate the variable. To avoid more #ifdef/#else, just always make the match
> table available.
> 
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
> ---
>  drivers/mfd/max8998.c | 2 --
>  1 file changed, 2 deletions(-)

If it works, great!

For my own reference:
  Acked-for-MFD-by: Lee Jones <lee.jones@...aro.org>
  
> diff --git a/drivers/mfd/max8998.c b/drivers/mfd/max8998.c
> index 4c33b8063bc3..372f681ec1bb 100644
> --- a/drivers/mfd/max8998.c
> +++ b/drivers/mfd/max8998.c
> @@ -129,14 +129,12 @@ int max8998_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask)
>  }
>  EXPORT_SYMBOL(max8998_update_reg);
>  
> -#ifdef CONFIG_OF
>  static const struct of_device_id max8998_dt_match[] = {
>  	{ .compatible = "maxim,max8998", .data = (void *)TYPE_MAX8998 },
>  	{ .compatible = "national,lp3974", .data = (void *)TYPE_LP3974 },
>  	{ .compatible = "ti,lp3974", .data = (void *)TYPE_LP3974 },
>  	{},
>  };
> -#endif
>  
>  /*
>   * Only the common platform data elements for max8998 are parsed here from the

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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