Instead of using regmap_update_bits() and passing the mask twice, use regmap_set_bits(). Instead of using regmap_update_bits() and passing val = 0, use regmap_clear_bits(). Suggested-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxx> Signed-off-by: Trevor Gamblin <tgamblin@xxxxxxxxxxxx> --- drivers/iio/gyro/mpu3050-core.c | 33 ++++++++++++--------------------- 1 file changed, 12 insertions(+), 21 deletions(-) diff --git a/drivers/iio/gyro/mpu3050-core.c b/drivers/iio/gyro/mpu3050-core.c index a791ba3a693a..ff1c81553045 100644 --- a/drivers/iio/gyro/mpu3050-core.c +++ b/drivers/iio/gyro/mpu3050-core.c @@ -197,8 +197,8 @@ static int mpu3050_start_sampling(struct mpu3050 *mpu3050) int i; /* Reset */ - ret = regmap_update_bits(mpu3050->map, MPU3050_PWR_MGM, - MPU3050_PWR_MGM_RESET, MPU3050_PWR_MGM_RESET); + ret = regmap_set_bits(mpu3050->map, MPU3050_PWR_MGM, + MPU3050_PWR_MGM_RESET); if (ret) return ret; @@ -513,12 +513,8 @@ static irqreturn_t mpu3050_trigger_handler(int irq, void *p) "FIFO overflow! Emptying and resetting FIFO\n"); fifo_overflow = true; /* Reset and enable the FIFO */ - ret = regmap_update_bits(mpu3050->map, - MPU3050_USR_CTRL, - MPU3050_USR_CTRL_FIFO_EN | - MPU3050_USR_CTRL_FIFO_RST, - MPU3050_USR_CTRL_FIFO_EN | - MPU3050_USR_CTRL_FIFO_RST); + ret = regmap_set_bits(mpu3050->map, MPU3050_USR_CTRL, + MPU3050_USR_CTRL_FIFO_EN | MPU3050_USR_CTRL_FIFO_RST); if (ret) { dev_info(mpu3050->dev, "error resetting FIFO\n"); goto out_trigger_unlock; @@ -799,10 +795,8 @@ static int mpu3050_hw_init(struct mpu3050 *mpu3050) u64 otp; /* Reset */ - ret = regmap_update_bits(mpu3050->map, - MPU3050_PWR_MGM, - MPU3050_PWR_MGM_RESET, - MPU3050_PWR_MGM_RESET); + ret = regmap_set_bits(mpu3050->map, MPU3050_PWR_MGM, + MPU3050_PWR_MGM_RESET); if (ret) return ret; @@ -872,8 +866,8 @@ static int mpu3050_power_up(struct mpu3050 *mpu3050) msleep(200); /* Take device out of sleep mode */ - ret = regmap_update_bits(mpu3050->map, MPU3050_PWR_MGM, - MPU3050_PWR_MGM_SLEEP, 0); + ret = regmap_clear_bits(mpu3050->map, MPU3050_PWR_MGM, + MPU3050_PWR_MGM_SLEEP); if (ret) { regulator_bulk_disable(ARRAY_SIZE(mpu3050->regs), mpu3050->regs); dev_err(mpu3050->dev, "error setting power mode\n"); @@ -895,8 +889,8 @@ static int mpu3050_power_down(struct mpu3050 *mpu3050) * then we would be wasting power unless we go to sleep mode * first. */ - ret = regmap_update_bits(mpu3050->map, MPU3050_PWR_MGM, - MPU3050_PWR_MGM_SLEEP, MPU3050_PWR_MGM_SLEEP); + ret = regmap_set_bits(mpu3050->map, MPU3050_PWR_MGM, + MPU3050_PWR_MGM_SLEEP); if (ret) dev_err(mpu3050->dev, "error putting to sleep\n"); @@ -997,11 +991,8 @@ static int mpu3050_drdy_trigger_set_state(struct iio_trigger *trig, return ret; /* Reset and enable the FIFO */ - ret = regmap_update_bits(mpu3050->map, MPU3050_USR_CTRL, - MPU3050_USR_CTRL_FIFO_EN | - MPU3050_USR_CTRL_FIFO_RST, - MPU3050_USR_CTRL_FIFO_EN | - MPU3050_USR_CTRL_FIFO_RST); + ret = regmap_set_bits(mpu3050->map, MPU3050_USR_CTRL, + MPU3050_USR_CTRL_FIFO_EN | MPU3050_USR_CTRL_FIFO_RST); if (ret) return ret; -- 2.45.2