staging: iio: ad9832: clean-up regulator 'reg'
Rename regulator 'reg' to 'avdd' so as to be clear what regulator it
stands for specifically. Additionally, get rid of local variable 'reg'
and use direct assignment instead. Update also the goto label pertaining
to the avdd regulator during disable.
Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/staging/iio/frequency/ad9832.c b/drivers/staging/iio/frequency/ad9832.c
index 6a5ab02..639047f 100644
--- a/drivers/staging/iio/frequency/ad9832.c
+++ b/drivers/staging/iio/frequency/ad9832.c
@@ -204,7 +204,6 @@
struct ad9832_platform_data *pdata = dev_get_platdata(&spi->dev);
struct iio_dev *indio_dev;
struct ad9832_state *st;
- struct regulator *reg;
int ret;
if (!pdata) {
@@ -212,11 +211,11 @@
return -ENODEV;
}
- reg = devm_regulator_get(&spi->dev, "avdd");
- if (IS_ERR(reg))
- return PTR_ERR(reg);
+ st->avdd = devm_regulator_get(&spi->dev, "avdd");
+ if (IS_ERR(st->avdd))
+ return PTR_ERR(st->avdd);
- ret = regulator_enable(reg);
+ ret = regulator_enable(st->avdd);
if (ret) {
dev_err(&spi->dev, "Failed to enable specified AVDD supply\n");
return ret;
@@ -225,13 +224,13 @@
st->dvdd = devm_regulator_get(&spi->dev, "dvdd");
if (IS_ERR(st->dvdd)) {
ret = PTR_ERR(st->dvdd);
- goto error_disable_reg;
+ goto error_disable_avdd;
}
ret = regulator_enable(st->dvdd);
if (ret) {
dev_err(&spi->dev, "Failed to enable specified DVDD supply\n");
- goto error_disable_reg;
+ goto error_disable_avdd;
}
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
@@ -241,7 +240,6 @@
}
spi_set_drvdata(spi, indio_dev);
st = iio_priv(indio_dev);
- st->reg = reg;
st->mclk = pdata->mclk;
st->spi = spi;
@@ -327,8 +325,8 @@
error_disable_dvdd:
regulator_disable(st->dvdd);
-error_disable_reg:
- regulator_disable(reg);
+error_disable_avdd:
+ regulator_disable(st->avdd);
return ret;
}
@@ -340,7 +338,7 @@
iio_device_unregister(indio_dev);
regulator_disable(st->dvdd);
- regulator_disable(st->reg);
+ regulator_disable(st->avdd);
return 0;
}
diff --git a/drivers/staging/iio/frequency/ad9832.h b/drivers/staging/iio/frequency/ad9832.h
index eb0e7f2..1b08b0448 100644
--- a/drivers/staging/iio/frequency/ad9832.h
+++ b/drivers/staging/iio/frequency/ad9832.h
@@ -58,7 +58,7 @@
/**
* struct ad9832_state - driver instance specific data
* @spi: spi_device
- * @reg: supply regulator
+ * @avdd: supply regulator for the analog section
* @dvdd: supply regulator for the digital section
* @mclk: external master clock
* @ctrl_fp: cached frequency/phase control word
@@ -77,7 +77,7 @@
struct ad9832_state {
struct spi_device *spi;
- struct regulator *reg;
+ struct regulator *avdd;
struct regulator *dvdd;
unsigned long mclk;
unsigned short ctrl_fp;