linux-kernel - Re: [PATCH v3 1/1] iio: accel: bmc150: use common definition for regmap conf

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Date:	Sun, 3 Apr 2016 11:25:13 +0100
From:	Jonathan Cameron <jic23@...nel.org>
To:	Irina Tirdea <irina.tirdea@...el.com>, linux-iio@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald <pmeerw@...erw.net>,
	Markus Pargmann <mpa@...gutronix.de>
Subject: Re: [PATCH v3 1/1] iio: accel: bmc150: use common definition for
 regmap conf

On 29/03/16 13:21, Irina Tirdea wrote:
> bmc150_i2c_regmap_conf is defined three times (in bmc150-accel-core.c,
> bmc150-accel-i2c.c and and bmc150-accel-spi.c), although the
> definition is the same.
> 
> Use one common definition for bmc150_i2c_regmap_conf in all
> included files.
> 
> Signed-off-by: Irina Tirdea <irina.tirdea@...el.com>
Applied to the togreg branch of iio.git

Thanks,

Jonathan
> ---
> 
> Changes from v2:
>  - fix spi build errors
> 
> Changes from v1:
>   - instead of removing the unused definition from the core,
> share it between the i2c and spi files
>   - renamed the subject line from "iio: accel: bmc150: remove
> unused definition" to better reflect the new change
> 
>  drivers/iio/accel/bmc150-accel-core.c | 3 ++-
>  drivers/iio/accel/bmc150-accel-i2c.c  | 7 +------
>  drivers/iio/accel/bmc150-accel-spi.c  | 8 +-------
>  drivers/iio/accel/bmc150-accel.h      | 1 +
>  4 files changed, 5 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c
> index f3d096f..e631ee9 100644
> --- a/drivers/iio/accel/bmc150-accel-core.c
> +++ b/drivers/iio/accel/bmc150-accel-core.c
> @@ -246,11 +246,12 @@ static const struct {
>  				       {500000, BMC150_ACCEL_SLEEP_500_MS},
>  				       {1000000, BMC150_ACCEL_SLEEP_1_SEC} };
>  
> -static const struct regmap_config bmc150_i2c_regmap_conf = {
> +const struct regmap_config bmc150_regmap_conf = {
>  	.reg_bits = 8,
>  	.val_bits = 8,
>  	.max_register = 0x3f,
>  };
> +EXPORT_SYMBOL_GPL(bmc150_regmap_conf);
>  
>  static int bmc150_accel_set_mode(struct bmc150_accel_data *data,
>  				 enum bmc150_power_modes mode,
> diff --git a/drivers/iio/accel/bmc150-accel-i2c.c b/drivers/iio/accel/bmc150-accel-i2c.c
> index b41404b..8ca8041 100644
> --- a/drivers/iio/accel/bmc150-accel-i2c.c
> +++ b/drivers/iio/accel/bmc150-accel-i2c.c
> @@ -28,11 +28,6 @@
>  
>  #include "bmc150-accel.h"
>  
> -static const struct regmap_config bmc150_i2c_regmap_conf = {
> -	.reg_bits = 8,
> -	.val_bits = 8,
> -};
> -
>  static int bmc150_accel_probe(struct i2c_client *client,
>  			      const struct i2c_device_id *id)
>  {
> @@ -43,7 +38,7 @@ static int bmc150_accel_probe(struct i2c_client *client,
>  		i2c_check_functionality(client->adapter,
>  					I2C_FUNC_SMBUS_READ_I2C_BLOCK);
>  
> -	regmap = devm_regmap_init_i2c(client, &bmc150_i2c_regmap_conf);
> +	regmap = devm_regmap_init_i2c(client, &bmc150_regmap_conf);
>  	if (IS_ERR(regmap)) {
>  		dev_err(&client->dev, "Failed to initialize i2c regmap\n");
>  		return PTR_ERR(regmap);
> diff --git a/drivers/iio/accel/bmc150-accel-spi.c b/drivers/iio/accel/bmc150-accel-spi.c
> index 16b66f2..006794a7 100644
> --- a/drivers/iio/accel/bmc150-accel-spi.c
> +++ b/drivers/iio/accel/bmc150-accel-spi.c
> @@ -25,18 +25,12 @@
>  
>  #include "bmc150-accel.h"
>  
> -static const struct regmap_config bmc150_spi_regmap_conf = {
> -	.reg_bits = 8,
> -	.val_bits = 8,
> -	.max_register = 0x3f,
> -};
> -
>  static int bmc150_accel_probe(struct spi_device *spi)
>  {
>  	struct regmap *regmap;
>  	const struct spi_device_id *id = spi_get_device_id(spi);
>  
> -	regmap = devm_regmap_init_spi(spi, &bmc150_spi_regmap_conf);
> +	regmap = devm_regmap_init_spi(spi, &bmc150_regmap_conf);
>  	if (IS_ERR(regmap)) {
>  		dev_err(&spi->dev, "Failed to initialize spi regmap\n");
>  		return PTR_ERR(regmap);
> diff --git a/drivers/iio/accel/bmc150-accel.h b/drivers/iio/accel/bmc150-accel.h
> index ba03359..38a8b11 100644
> --- a/drivers/iio/accel/bmc150-accel.h
> +++ b/drivers/iio/accel/bmc150-accel.h
> @@ -16,5 +16,6 @@ int bmc150_accel_core_probe(struct device *dev, struct regmap *regmap, int irq,
>  			    const char *name, bool block_supported);
>  int bmc150_accel_core_remove(struct device *dev);
>  extern const struct dev_pm_ops bmc150_accel_pm_ops;
> +extern const struct regmap_config bmc150_regmap_conf;
>  
>  #endif  /* _BMC150_ACCEL_H_ */
>