linux-kernel - Re: [PATCH] Make functions rf69_set_bandwidth_intern and rf69_set_dc_cut_off_frequency

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Message-ID: <202cd503-a999-0991-3628-001b072c1097@canonical.com>
Date:   Thu, 20 Jul 2017 23:34:20 +0100
From:   Colin Ian King <colin.king@...onical.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Marcus Wolf <linux@...f-Entwicklungen.de>,
        devel@...verdev.osuosl.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Make functions rf69_set_bandwidth_intern and
 rf69_set_dc_cut_off_frequency_intern static

Oops, should have been marked as [V2] in the subject line

On 20/07/17 23:33, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> The functions rf69_set_bandwidth_intern and also
> rf69_set_dc_cut_off_frequency_intern is local to the source and
> do not need to be in global scope, so make it static. Also break
> break overly wide line. Finally, remove the function declaration
> rf69_set_dc_cut_off_frequency_intern from the rf69.h header.
> 
> Cleans up sparse warning:
> symbol 'update_share_count' was not declared. Should it be static?
> 
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---
>  drivers/staging/pi433/rf69.c | 7 +++++--
>  drivers/staging/pi433/rf69.h | 1 -
>  2 files changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/staging/pi433/rf69.c b/drivers/staging/pi433/rf69.c
> index e391ce777bc7..170e9cc59cde 100644
> --- a/drivers/staging/pi433/rf69.c
> +++ b/drivers/staging/pi433/rf69.c
> @@ -400,7 +400,9 @@ enum lnaGain rf69_get_lna_gain(struct spi_device *spi)
>  	}
>  }
>  
> -int rf69_set_dc_cut_off_frequency_intern(struct spi_device *spi ,u8 reg, enum dccPercent dccPercent)
> +static int rf69_set_dc_cut_off_frequency_intern(struct spi_device *spi,
> +						u8 reg,
> +						enum dccPercent dccPercent)
>  {
>  	switch (dccPercent) {
>  	case dcc16Percent:	return WRITE_REG(reg, ( (READ_REG(reg) & ~MASK_BW_DCC_FREQ) | BW_DCC_16_PERCENT) );
> @@ -433,7 +435,8 @@ int rf69_set_dc_cut_off_frequency_during_afc(struct spi_device *spi, enum dccPer
>  	return rf69_set_dc_cut_off_frequency_intern(spi, REG_AFCBW, dccPercent);
>  }
>  
> -int rf69_set_bandwidth_intern(struct spi_device *spi, u8 reg, enum mantisse mantisse, u8 exponent)
> +static int rf69_set_bandwidth_intern(struct spi_device *spi, u8 reg,
> +				     enum mantisse mantisse, u8 exponent)
>  {
>  	u8 newValue;
>  
> diff --git a/drivers/staging/pi433/rf69.h b/drivers/staging/pi433/rf69.h
> index b81e0762032e..3fdf5d3d225b 100644
> --- a/drivers/staging/pi433/rf69.h
> +++ b/drivers/staging/pi433/rf69.h
> @@ -41,7 +41,6 @@ int rf69_set_pa_ramp(struct spi_device *spi, enum paRamp paRamp);
>  int rf69_set_antenna_impedance(struct spi_device *spi, enum antennaImpedance antennaImpedance);
>  int rf69_set_lna_gain(struct spi_device *spi, enum lnaGain lnaGain);
>  enum lnaGain rf69_get_lna_gain(struct spi_device *spi);
> -int rf69_set_dc_cut_off_frequency_intern(struct spi_device *spi, u8 reg, enum dccPercent dccPercent);
>  int rf69_set_dc_cut_off_frequency(struct spi_device *spi, enum dccPercent dccPercent);
>  int rf69_set_dc_cut_off_frequency_during_afc(struct spi_device *spi, enum dccPercent dccPercent);
>  int rf69_set_bandwidth(struct spi_device *spi, enum mantisse mantisse, u8 exponent);
>