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-rw-r--r--drivers/iio/pressure/bmp280-core.c16
-rw-r--r--drivers/iio/pressure/dps310.c127
-rw-r--r--drivers/iio/pressure/hsc030pa_spi.c7
-rw-r--r--drivers/iio/pressure/zpa2326.c10
4 files changed, 85 insertions, 75 deletions
diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c
index 0199d055e0..221fa2c552 100644
--- a/drivers/iio/pressure/bmp280-core.c
+++ b/drivers/iio/pressure/bmp280-core.c
@@ -27,20 +27,20 @@
#include <linux/bitops.h>
#include <linux/bitfield.h>
-#include <linux/device.h>
-#include <linux/module.h>
-#include <linux/nvmem-provider.h>
-#include <linux/regmap.h>
+#include <linux/completion.h>
#include <linux/delay.h>
-#include <linux/iio/iio.h>
-#include <linux/iio/sysfs.h>
+#include <linux/device.h>
#include <linux/gpio/consumer.h>
-#include <linux/regulator/consumer.h>
#include <linux/interrupt.h>
#include <linux/irq.h> /* For irq_get_irq_data() */
-#include <linux/completion.h>
+#include <linux/module.h>
+#include <linux/nvmem-provider.h>
#include <linux/pm_runtime.h>
#include <linux/random.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+
+#include <linux/iio/iio.h>
#include <asm/unaligned.h>
diff --git a/drivers/iio/pressure/dps310.c b/drivers/iio/pressure/dps310.c
index d0a516d56d..7d882e15e5 100644
--- a/drivers/iio/pressure/dps310.c
+++ b/drivers/iio/pressure/dps310.c
@@ -171,7 +171,7 @@ static int dps310_temp_workaround(struct dps310_data *data)
int reg;
rc = regmap_read(data->regmap, 0x32, &reg);
- if (rc)
+ if (rc < 0)
return rc;
/*
@@ -256,24 +256,24 @@ static int dps310_startup(struct dps310_data *data)
return dps310_temp_workaround(data);
}
-static int dps310_get_pres_precision(struct dps310_data *data)
+static int dps310_get_pres_precision(struct dps310_data *data, int *val)
{
- int rc;
- int val;
+ int reg_val, rc;
- rc = regmap_read(data->regmap, DPS310_PRS_CFG, &val);
+ rc = regmap_read(data->regmap, DPS310_PRS_CFG, &reg_val);
if (rc < 0)
return rc;
- return BIT(val & GENMASK(2, 0));
+ *val = BIT(reg_val & GENMASK(2, 0));
+
+ return 0;
}
-static int dps310_get_temp_precision(struct dps310_data *data)
+static int dps310_get_temp_precision(struct dps310_data *data, int *val)
{
- int rc;
- int val;
+ int reg_val, rc;
- rc = regmap_read(data->regmap, DPS310_TMP_CFG, &val);
+ rc = regmap_read(data->regmap, DPS310_TMP_CFG, &reg_val);
if (rc < 0)
return rc;
@@ -281,7 +281,9 @@ static int dps310_get_temp_precision(struct dps310_data *data)
* Scale factor is bottom 4 bits of the register, but 1111 is
* reserved so just grab bottom three
*/
- return BIT(val & GENMASK(2, 0));
+ *val = BIT(reg_val & GENMASK(2, 0));
+
+ return 0;
}
/* Called with lock held */
@@ -350,48 +352,56 @@ static int dps310_set_temp_samp_freq(struct dps310_data *data, int freq)
DPS310_TMP_RATE_BITS, val);
}
-static int dps310_get_pres_samp_freq(struct dps310_data *data)
+static int dps310_get_pres_samp_freq(struct dps310_data *data, int *val)
{
- int rc;
- int val;
+ int reg_val, rc;
- rc = regmap_read(data->regmap, DPS310_PRS_CFG, &val);
+ rc = regmap_read(data->regmap, DPS310_PRS_CFG, &reg_val);
if (rc < 0)
return rc;
- return BIT((val & DPS310_PRS_RATE_BITS) >> 4);
+ *val = BIT((reg_val & DPS310_PRS_RATE_BITS) >> 4);
+
+ return 0;
}
-static int dps310_get_temp_samp_freq(struct dps310_data *data)
+static int dps310_get_temp_samp_freq(struct dps310_data *data, int *val)
{
- int rc;
- int val;
+ int reg_val, rc;
- rc = regmap_read(data->regmap, DPS310_TMP_CFG, &val);
+ rc = regmap_read(data->regmap, DPS310_TMP_CFG, &reg_val);
if (rc < 0)
return rc;
- return BIT((val & DPS310_TMP_RATE_BITS) >> 4);
+ *val = BIT((reg_val & DPS310_TMP_RATE_BITS) >> 4);
+
+ return 0;
}
-static int dps310_get_pres_k(struct dps310_data *data)
+static int dps310_get_pres_k(struct dps310_data *data, int *val)
{
- int rc = dps310_get_pres_precision(data);
+ int reg_val, rc;
+ rc = regmap_read(data->regmap, DPS310_PRS_CFG, &reg_val);
if (rc < 0)
return rc;
- return scale_factors[ilog2(rc)];
+ *val = scale_factors[reg_val & GENMASK(2, 0)];
+
+ return 0;
}
-static int dps310_get_temp_k(struct dps310_data *data)
+static int dps310_get_temp_k(struct dps310_data *data, int *val)
{
- int rc = dps310_get_temp_precision(data);
+ int reg_val, rc;
+ rc = regmap_read(data->regmap, DPS310_TMP_CFG, &reg_val);
if (rc < 0)
return rc;
- return scale_factors[ilog2(rc)];
+ *val = scale_factors[reg_val & GENMASK(2, 0)];
+
+ return 0;
}
static int dps310_reset_wait(struct dps310_data *data)
@@ -464,7 +474,10 @@ static int dps310_read_pres_raw(struct dps310_data *data)
if (mutex_lock_interruptible(&data->lock))
return -EINTR;
- rate = dps310_get_pres_samp_freq(data);
+ rc = dps310_get_pres_samp_freq(data, &rate);
+ if (rc)
+ goto done;
+
timeout = DPS310_POLL_TIMEOUT_US(rate);
/* Poll for sensor readiness; base the timeout upon the sample rate. */
@@ -510,7 +523,10 @@ static int dps310_read_temp_raw(struct dps310_data *data)
if (mutex_lock_interruptible(&data->lock))
return -EINTR;
- rate = dps310_get_temp_samp_freq(data);
+ rc = dps310_get_temp_samp_freq(data, &rate);
+ if (rc)
+ goto done;
+
timeout = DPS310_POLL_TIMEOUT_US(rate);
/* Poll for sensor readiness; base the timeout upon the sample rate. */
@@ -612,13 +628,13 @@ static int dps310_write_raw(struct iio_dev *iio,
return rc;
}
-static int dps310_calculate_pressure(struct dps310_data *data)
+static int dps310_calculate_pressure(struct dps310_data *data, int *val)
{
int i;
int rc;
int t_ready;
- int kpi = dps310_get_pres_k(data);
- int kti = dps310_get_temp_k(data);
+ int kpi;
+ int kti;
s64 rem = 0ULL;
s64 pressure = 0ULL;
s64 p;
@@ -629,11 +645,13 @@ static int dps310_calculate_pressure(struct dps310_data *data)
s64 kp;
s64 kt;
- if (kpi < 0)
- return kpi;
+ rc = dps310_get_pres_k(data, &kpi);
+ if (rc)
+ return rc;
- if (kti < 0)
- return kti;
+ rc = dps310_get_temp_k(data, &kti);
+ if (rc)
+ return rc;
kp = (s64)kpi;
kt = (s64)kti;
@@ -687,7 +705,9 @@ static int dps310_calculate_pressure(struct dps310_data *data)
if (pressure < 0LL)
return -ERANGE;
- return (int)min_t(s64, pressure, INT_MAX);
+ *val = (int)min_t(s64, pressure, INT_MAX);
+
+ return 0;
}
static int dps310_read_pressure(struct dps310_data *data, int *val, int *val2,
@@ -697,11 +717,10 @@ static int dps310_read_pressure(struct dps310_data *data, int *val, int *val2,
switch (mask) {
case IIO_CHAN_INFO_SAMP_FREQ:
- rc = dps310_get_pres_samp_freq(data);
- if (rc < 0)
+ rc = dps310_get_pres_samp_freq(data, val);
+ if (rc)
return rc;
- *val = rc;
return IIO_VAL_INT;
case IIO_CHAN_INFO_PROCESSED:
@@ -709,20 +728,17 @@ static int dps310_read_pressure(struct dps310_data *data, int *val, int *val2,
if (rc)
return rc;
- rc = dps310_calculate_pressure(data);
- if (rc < 0)
+ rc = dps310_calculate_pressure(data, val);
+ if (rc)
return rc;
- *val = rc;
*val2 = 1000; /* Convert Pa to KPa per IIO ABI */
return IIO_VAL_FRACTIONAL;
case IIO_CHAN_INFO_OVERSAMPLING_RATIO:
- rc = dps310_get_pres_precision(data);
- if (rc < 0)
+ rc = dps310_get_pres_precision(data, val);
+ if (rc)
return rc;
-
- *val = rc;
return IIO_VAL_INT;
default:
@@ -734,10 +750,11 @@ static int dps310_calculate_temp(struct dps310_data *data, int *val)
{
s64 c0;
s64 t;
- int kt = dps310_get_temp_k(data);
+ int kt, rc;
- if (kt < 0)
- return kt;
+ rc = dps310_get_temp_k(data, &kt);
+ if (rc)
+ return rc;
/* Obtain inverse-scaled offset */
c0 = div_s64((s64)kt * (s64)data->c0, 2);
@@ -758,11 +775,10 @@ static int dps310_read_temp(struct dps310_data *data, int *val, int *val2,
switch (mask) {
case IIO_CHAN_INFO_SAMP_FREQ:
- rc = dps310_get_temp_samp_freq(data);
- if (rc < 0)
+ rc = dps310_get_temp_samp_freq(data, val);
+ if (rc)
return rc;
- *val = rc;
return IIO_VAL_INT;
case IIO_CHAN_INFO_PROCESSED:
@@ -777,11 +793,10 @@ static int dps310_read_temp(struct dps310_data *data, int *val, int *val2,
return IIO_VAL_INT;
case IIO_CHAN_INFO_OVERSAMPLING_RATIO:
- rc = dps310_get_temp_precision(data);
- if (rc < 0)
+ rc = dps310_get_temp_precision(data, val);
+ if (rc)
return rc;
- *val = rc;
return IIO_VAL_INT;
default:
diff --git a/drivers/iio/pressure/hsc030pa_spi.c b/drivers/iio/pressure/hsc030pa_spi.c
index 818fa63034..337eecc577 100644
--- a/drivers/iio/pressure/hsc030pa_spi.c
+++ b/drivers/iio/pressure/hsc030pa_spi.c
@@ -23,14 +23,9 @@
static int hsc_spi_recv(struct hsc_data *data)
{
struct spi_device *spi = to_spi_device(data->dev);
- struct spi_transfer xfer = {
- .tx_buf = NULL,
- .rx_buf = data->buffer,
- .len = HSC_REG_MEASUREMENT_RD_SIZE,
- };
msleep_interruptible(HSC_RESP_TIME_MS);
- return spi_sync_transfer(spi, &xfer, 1);
+ return spi_read(spi, data->buffer, HSC_REG_MEASUREMENT_RD_SIZE);
}
static int hsc_spi_probe(struct spi_device *spi)
diff --git a/drivers/iio/pressure/zpa2326.c b/drivers/iio/pressure/zpa2326.c
index 421e059d1f..dcc87a9015 100644
--- a/drivers/iio/pressure/zpa2326.c
+++ b/drivers/iio/pressure/zpa2326.c
@@ -861,13 +861,13 @@ static int zpa2326_wait_oneshot_completion(const struct iio_dev *indio_dev,
struct zpa2326_private *private)
{
unsigned int val;
- long timeout;
+ long time_left;
zpa2326_dbg(indio_dev, "waiting for one shot completion interrupt");
- timeout = wait_for_completion_interruptible_timeout(
+ time_left = wait_for_completion_interruptible_timeout(
&private->data_ready, ZPA2326_CONVERSION_JIFFIES);
- if (timeout > 0)
+ if (time_left > 0)
/*
* Interrupt handler completed before timeout: return operation
* status.
@@ -877,10 +877,10 @@ static int zpa2326_wait_oneshot_completion(const struct iio_dev *indio_dev,
/* Clear all interrupts just to be sure. */
regmap_read(private->regmap, ZPA2326_INT_SOURCE_REG, &val);
- if (!timeout) {
+ if (!time_left) {
/* Timed out. */
zpa2326_warn(indio_dev, "no one shot interrupt occurred (%ld)",
- timeout);
+ time_left);
return -ETIME;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-24 08:46:08 +0000