On 29/04/16 20:02, Crestez Dan Leonard wrote:
> Signed-off-by: Crestez Dan Leonard <leonard.crestez@xxxxxxxxx>
Looks fine to me.
Jonathan
> ---
> drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 47 ++++++++++++++++++++++++++++++
> drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c | 5 ----
> drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h | 1 +
> drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c | 5 ----
> 4 files changed, 48 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
> index b269b37..5918c23 100644
> --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
> +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
> @@ -116,6 +116,53 @@ static const struct inv_mpu6050_hw hw_info[] = {
> },
> };
>
> +static bool inv_mpu6050_volatile_reg(struct device *dev, unsigned int reg)
> +{
> + if (reg >= INV_MPU6050_REG_RAW_ACCEL && reg < INV_MPU6050_REG_RAW_ACCEL + 6)
> + return true;
> + if (reg >= INV_MPU6050_REG_RAW_GYRO && reg < INV_MPU6050_REG_RAW_GYRO + 6)
> + return true;
> + switch (reg) {
> + case INV_MPU6050_REG_TEMPERATURE:
> + case INV_MPU6050_REG_TEMPERATURE + 1:
> + case INV_MPU6050_REG_USER_CTRL:
> + case INV_MPU6050_REG_PWR_MGMT_1:
> + case INV_MPU6050_REG_FIFO_COUNT_H:
> + case INV_MPU6050_REG_FIFO_COUNT_H + 1:
> + case INV_MPU6050_REG_FIFO_R_W:
> + return true;
> + default:
> + return false;
> + }
> +}
> +
> +static bool inv_mpu6050_precious_reg(struct device *dev, unsigned int reg)
> +{
> + switch (reg) {
> + case INV_MPU6050_REG_FIFO_R_W:
> + return true;
> + default:
> + return false;
> + }
> +}
> +
> +/*
> + * Common regmap config for inv_mpu devices
> + *
> + * The current volatile/precious registers are common among supported devices.
> + * When that changes the volatile/precious callbacks should go through the
> + * inv_mpu6050_reg_map structs.
> + */
> +const struct regmap_config inv_mpu_regmap_config = {
> + .reg_bits = 8,
> + .val_bits = 8,
> +
> + .cache_type = REGCACHE_RBTREE,
> + .volatile_reg = inv_mpu6050_volatile_reg,
> + .precious_reg = inv_mpu6050_precious_reg,
> +};
> +EXPORT_SYMBOL_GPL(inv_mpu_regmap_config);
> +
> int inv_mpu6050_switch_engine(struct inv_mpu6050_state *st, bool en, u32 mask)
> {
> unsigned int d, mgmt_1;
> diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
> index 1a424a6..1a8d1a5 100644
> --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
> +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
> @@ -20,11 +20,6 @@
> #include <linux/module.h>
> #include "inv_mpu_iio.h"
>
> -static const struct regmap_config inv_mpu_regmap_config = {
> - .reg_bits = 8,
> - .val_bits = 8,
> -};
> -
> /*
> * The i2c read/write needs to happen in unlocked mode. As the parent
> * adapter is common. If we use locked versions, it will fail as
> diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
> index 47ca25b..297b0ef 100644
> --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
> +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
> @@ -291,3 +291,4 @@ int inv_mpu_core_probe(struct regmap *regmap, int irq, const char *name,
> int inv_mpu_core_remove(struct device *dev);
> int inv_mpu6050_set_power_itg(struct inv_mpu6050_state *st, bool power_on);
> extern const struct dev_pm_ops inv_mpu_pmops;
> +extern const struct regmap_config inv_mpu_regmap_config;
> diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
> index 190a4a5..b3bd977 100644
> --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
> +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
> @@ -17,11 +17,6 @@
> #include <linux/iio/iio.h>
> #include "inv_mpu_iio.h"
>
> -static const struct regmap_config inv_mpu_regmap_config = {
> - .reg_bits = 8,
> - .val_bits = 8,
> -};
> -
> static int inv_mpu_i2c_disable(struct iio_dev *indio_dev)
> {
> struct inv_mpu6050_state *st = iio_priv(indio_dev);
>
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