diff options
Diffstat (limited to 'drivers/staging/iio/meter/ade7754.c')
-rw-r--r-- | drivers/staging/iio/meter/ade7754.c | 34 |
1 files changed, 12 insertions, 22 deletions
diff --git a/drivers/staging/iio/meter/ade7754.c b/drivers/staging/iio/meter/ade7754.c index f649ebe55a0..e0aa13ab365 100644 --- a/drivers/staging/iio/meter/ade7754.c +++ b/drivers/staging/iio/meter/ade7754.c @@ -86,7 +86,7 @@ static int ade7754_spi_read_reg_16(struct device *dev, struct ade7754_state *st = iio_priv(indio_dev); int ret; - ret = spi_w8r16(st->us, ADE7754_READ_REG(reg_address)); + ret = spi_w8r16be(st->us, ADE7754_READ_REG(reg_address)); if (ret < 0) { dev_err(&st->us->dev, "problem when reading 16 bit register 0x%02X", reg_address); @@ -94,7 +94,6 @@ static int ade7754_spi_read_reg_16(struct device *dev, } *val = ret; - *val = be16_to_cpup(val); return 0; } @@ -186,9 +185,9 @@ static ssize_t ade7754_write_8bit(struct device *dev, { struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); int ret; - long val; + u8 val; - ret = strict_strtol(buf, 10, &val); + ret = kstrtou8(buf, 10, &val); if (ret) goto error_ret; ret = ade7754_spi_write_reg_8(dev, this_attr->address, val); @@ -204,9 +203,9 @@ static ssize_t ade7754_write_16bit(struct device *dev, { struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); int ret; - long val; + u16 val; - ret = strict_strtol(buf, 10, &val); + ret = kstrtou16(buf, 10, &val); if (ret) goto error_ret; ret = ade7754_spi_write_reg_16(dev, this_attr->address, val); @@ -419,11 +418,11 @@ static ssize_t ade7754_write_frequency(struct device *dev, { struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ade7754_state *st = iio_priv(indio_dev); - unsigned long val; + u16 val; int ret; u8 reg, t; - ret = strict_strtol(buf, 10, &val); + ret = kstrtou16(buf, 10, &val); if (ret) return ret; if (val == 0) @@ -520,11 +519,9 @@ static int ade7754_probe(struct spi_device *spi) struct iio_dev *indio_dev; /* setup the industrialio driver allocated elements */ - indio_dev = iio_device_alloc(sizeof(*st)); - if (indio_dev == NULL) { - ret = -ENOMEM; - goto error_ret; - } + indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); + if (!indio_dev) + return -ENOMEM; /* this is only used for removal purposes */ spi_set_drvdata(spi, indio_dev); @@ -540,18 +537,12 @@ static int ade7754_probe(struct spi_device *spi) /* Get the device into a sane initial state */ ret = ade7754_initial_setup(indio_dev); if (ret) - goto error_free_dev; + return ret; ret = iio_device_register(indio_dev); if (ret) - goto error_free_dev; + return ret; return 0; - -error_free_dev: - iio_device_free(indio_dev); - -error_ret: - return ret; } /* fixme, confirm ordering in this function */ @@ -561,7 +552,6 @@ static int ade7754_remove(struct spi_device *spi) iio_device_unregister(indio_dev); ade7754_stop_device(&indio_dev->dev); - iio_device_free(indio_dev); return 0; } |