linux-kernel - Re: [PATCH] i2c: core: remove unused function

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Message-ID: <20190806203314.GB911@ninjato>
Date:   Tue, 6 Aug 2019 22:33:14 +0200
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Anders Roxell <anders.roxell@...aro.org>
Cc:     mika.westerberg@...ux.intel.com, linux-i2c@...r.kernel.org,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i2c: core: remove unused function

Hi Anders,

On Wed, Jul 31, 2019 at 12:56:42PM +0200, Anders Roxell wrote:
> GCC warns taht function 'i2c_acpi_find_match_adapter()' is not used.
> 
> ../drivers/i2c/i2c-core-acpi.c:347:12: warning:
>   ‘i2c_acpi_find_match_adapter’ defined but not used [-Wunused-function]
>  static int i2c_acpi_find_match_adapter(struct device *dev, const void *data)
>             ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> Rework to remove the function 'i2c_acpi_find_match_adapter()'.
> 
> Fixes: 00500147cbd3 ("drivers: Introduce device lookup variants by ACPI_COMPANION device")
> Signed-off-by: Anders Roxell <anders.roxell@...aro.org>

Can you resend with gkh and "Suzuki K Poulose <suzuki.poulose@....com>"
added to CC? Greg maintains a branch with device_lookup changes and
Suzuki is the author of it.

Kind regards,

   Wolfram

> ---
>  drivers/i2c/i2c-core-acpi.c | 11 -----------
>  1 file changed, 11 deletions(-)
> 
> diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c
> index bc80aafb521f..bb6b39fe343a 100644
> --- a/drivers/i2c/i2c-core-acpi.c
> +++ b/drivers/i2c/i2c-core-acpi.c
> @@ -344,17 +344,6 @@ u32 i2c_acpi_find_bus_speed(struct device *dev)
>  }
>  EXPORT_SYMBOL_GPL(i2c_acpi_find_bus_speed);
>  
> -static int i2c_acpi_find_match_adapter(struct device *dev, const void *data)
> -{
> -	struct i2c_adapter *adapter = i2c_verify_adapter(dev);
> -
> -	if (!adapter)
> -		return 0;
> -
> -	return ACPI_HANDLE(dev) == (acpi_handle)data;
> -}
> -
> -
>  struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle)
>  {
>  	struct device *dev = bus_find_device_by_acpi_dev(&i2c_bus_type, handle);
> -- 
> 2.20.1
> 

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