Re: [PATCH] iio: accel: fxls8962af: add padding to regmap for SPI

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On Mon, Dec 20, 2021 at 01:51:43PM +0100, Sean Nyekjaer wrote:
> Add missing don't care padding between address and
> data for SPI transfers
> 
> Fixes: a3e0b51884ee ("iio: accel: add support for FXLS8962AF/FXLS8964AF accelerometers")
> Signed-off-by: Sean Nyekjaer <sean@xxxxxxxxxx>
> ---
>  drivers/iio/accel/fxls8962af-core.c | 12 ++++++++++--
>  drivers/iio/accel/fxls8962af-i2c.c  |  2 +-
>  drivers/iio/accel/fxls8962af-spi.c  |  2 +-
>  drivers/iio/accel/fxls8962af.h      |  3 ++-
>  4 files changed, 14 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/iio/accel/fxls8962af-core.c b/drivers/iio/accel/fxls8962af-core.c
> index 32989d91b982..f7fd9e046588 100644
> --- a/drivers/iio/accel/fxls8962af-core.c
> +++ b/drivers/iio/accel/fxls8962af-core.c
> @@ -173,12 +173,20 @@ struct fxls8962af_data {
>  	u16 upper_thres;
>  };
>  
> -const struct regmap_config fxls8962af_regmap_conf = {
> +const struct regmap_config fxls8962af_i2c_regmap_conf = {
>  	.reg_bits = 8,
>  	.val_bits = 8,
>  	.max_register = FXLS8962AF_MAX_REG,
>  };
> -EXPORT_SYMBOL_GPL(fxls8962af_regmap_conf);
> +EXPORT_SYMBOL_GPL(fxls8962af_i2c_regmap_conf);
> +
> +const struct regmap_config fxls8962af_spi_regmap_conf = {
> +	.reg_bits = 8,
> +	.pad_bits = 8,
> +	.val_bits = 8,
> +	.max_register = FXLS8962AF_MAX_REG,
> +};
> +EXPORT_SYMBOL_GPL(fxls8962af_spi_regmap_conf);
>  
>  enum {
>  	fxls8962af_idx_x,
> diff --git a/drivers/iio/accel/fxls8962af-i2c.c b/drivers/iio/accel/fxls8962af-i2c.c
> index cfb004b20455..6bde9891effb 100644
> --- a/drivers/iio/accel/fxls8962af-i2c.c
> +++ b/drivers/iio/accel/fxls8962af-i2c.c
> @@ -18,7 +18,7 @@ static int fxls8962af_probe(struct i2c_client *client)
>  {
>  	struct regmap *regmap;
>  
> -	regmap = devm_regmap_init_i2c(client, &fxls8962af_regmap_conf);
> +	regmap = devm_regmap_init_i2c(client, &fxls8962af_i2c_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/fxls8962af-spi.c b/drivers/iio/accel/fxls8962af-spi.c
> index 57108d3d480b..6f4dff3238d3 100644
> --- a/drivers/iio/accel/fxls8962af-spi.c
> +++ b/drivers/iio/accel/fxls8962af-spi.c
> @@ -18,7 +18,7 @@ static int fxls8962af_probe(struct spi_device *spi)
>  {
>  	struct regmap *regmap;
>  
> -	regmap = devm_regmap_init_spi(spi, &fxls8962af_regmap_conf);
> +	regmap = devm_regmap_init_spi(spi, &fxls8962af_spi_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/fxls8962af.h b/drivers/iio/accel/fxls8962af.h
> index b67572c3ef06..9cbe98c3ba9a 100644
> --- a/drivers/iio/accel/fxls8962af.h
> +++ b/drivers/iio/accel/fxls8962af.h
> @@ -17,6 +17,7 @@ int fxls8962af_core_probe(struct device *dev, struct regmap *regmap, int irq);
>  int fxls8962af_core_remove(struct device *dev);
>  
>  extern const struct dev_pm_ops fxls8962af_pm_ops;
> -extern const struct regmap_config fxls8962af_regmap_conf;
> +extern const struct regmap_config fxls8962af_i2c_regmap_conf;
> +extern const struct regmap_config fxls8962af_spi_regmap_conf;
>  
>  #endif				/* _FXLS8962AF_H_ */
> -- 
> 2.34.1
> 

Hi Jonathan,

Did you have time to look at this?

/Sean



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