diff --git a/drivers/counter/104-quad-8.c b/drivers/counter/104-quad-8.c
index 77a863b7eefeac1a3fbd1d005e57eb508aadb604..deed4afadb298e1173a55a729a1708c1e298994c 100644
--- a/drivers/counter/104-quad-8.c
+++ b/drivers/counter/104-quad-8.c
@@ -232,34 +232,45 @@ static const enum counter_function quad8_count_functions_list[] = {
COUNTER_FUNCTION_QUADRATURE_X4,
};
+static int quad8_function_get(const struct quad8 *const priv, const size_t id,
+ enum counter_function *const function)
+{
+ if (!priv->quadrature_mode[id]) {
+ *function = COUNTER_FUNCTION_PULSE_DIRECTION;
+ return 0;
+ }
+
+ switch (priv->quadrature_scale[id]) {
+ case 0:
+ *function = COUNTER_FUNCTION_QUADRATURE_X1_A;
+ return 0;
+ case 1:
+ *function = COUNTER_FUNCTION_QUADRATURE_X2_A;
+ return 0;
+ case 2:
+ *function = COUNTER_FUNCTION_QUADRATURE_X4;
+ return 0;
+ default:
+ /* should never reach this path */
+ return -EINVAL;
+ }
+}
+
static int quad8_function_read(struct counter_device *counter,
struct counter_count *count,
enum counter_function *function)
{
struct quad8 *const priv = counter_priv(counter);
- const int id = count->id;
unsigned long irqflags;
+ int retval;
spin_lock_irqsave(&priv->lock, irqflags);
- if (priv->quadrature_mode[id])
- switch (priv->quadrature_scale[id]) {
- case 0:
- *function = COUNTER_FUNCTION_QUADRATURE_X1_A;
- break;
- case 1:
- *function = COUNTER_FUNCTION_QUADRATURE_X2_A;
- break;
- case 2:
- *function = COUNTER_FUNCTION_QUADRATURE_X4;
- break;
- }
- else
- *function = COUNTER_FUNCTION_PULSE_DIRECTION;
+ retval = quad8_function_get(priv, count->id, function);
spin_unlock_irqrestore(&priv->lock, irqflags);
- return 0;
+ return retval;
}
static int quad8_function_write(struct counter_device *counter,
@@ -359,6 +370,7 @@ static int quad8_action_read(struct counter_device *counter,
enum counter_synapse_action *action)
{
struct quad8 *const priv = counter_priv(counter);
+ unsigned long irqflags;
int err;
enum counter_function function;
const size_t signal_a_id = count->synapses[0].signal->id;
@@ -374,9 +386,21 @@ static int quad8_action_read(struct counter_device *counter,
return 0;
}
- err = quad8_function_read(counter, count, &function);
- if (err)
+ spin_lock_irqsave(&priv->lock, irqflags);
+
+ /* Get Count function and direction atomically */
+ err = quad8_function_get(priv, count->id, &function);
+ if (err) {
+ spin_unlock_irqrestore(&priv->lock, irqflags);
+ return err;
+ }
+ err = quad8_direction_read(counter, count, &direction);
+ if (err) {
+ spin_unlock_irqrestore(&priv->lock, irqflags);
return err;
+ }
+
+ spin_unlock_irqrestore(&priv->lock, irqflags);
/* Default action mode */
*action = COUNTER_SYNAPSE_ACTION_NONE;
@@ -389,10 +413,6 @@ static int quad8_action_read(struct counter_device *counter,
return 0;
case COUNTER_FUNCTION_QUADRATURE_X1_A:
if (synapse->signal->id == signal_a_id) {
- err = quad8_direction_read(counter, count, &direction);
- if (err)
- return err;
-
if (direction == COUNTER_COUNT_DIRECTION_FORWARD)
*action = COUNTER_SYNAPSE_ACTION_RISING_EDGE;
else
diff --git a/drivers/counter/microchip-tcb-capture.c b/drivers/counter/microchip-tcb-capture.c
index f9dee15d9777631a24ac3a7a6a8e34c295b11fcd..e2d1dc6ca6682f4fc9a11cf0120f5b6548e60393 100644
--- a/drivers/counter/microchip-tcb-capture.c
+++ b/drivers/counter/microchip-tcb-capture.c
@@ -28,7 +28,6 @@ struct mchp_tc_data {
int qdec_mode;
int num_channels;
int channel[2];
- bool trig_inverted;
};
static const enum counter_function mchp_tc_count_functions[] = {
@@ -153,7 +152,7 @@ static int mchp_tc_count_signal_read(struct counter_device *counter,
regmap_read(priv->regmap, ATMEL_TC_REG(priv->channel[0], SR), &sr);
- if (priv->trig_inverted)
+ if (signal->id == 1)
sigstatus = (sr & ATMEL_TC_MTIOB);
else
sigstatus = (sr & ATMEL_TC_MTIOA);
@@ -171,6 +170,17 @@ static int mchp_tc_count_action_read(struct counter_device *counter,
struct mchp_tc_data *const priv = counter_priv(counter);
u32 cmr;
+ if (priv->qdec_mode) {
+ *action = COUNTER_SYNAPSE_ACTION_BOTH_EDGES;
+ return 0;
+ }
+
+ /* Only TIOA signal is evaluated in non-QDEC mode */
+ if (synapse->signal->id != 0) {
+ *action = COUNTER_SYNAPSE_ACTION_NONE;
+ return 0;
+ }
+
regmap_read(priv->regmap, ATMEL_TC_REG(priv->channel[0], CMR), &cmr);
switch (cmr & ATMEL_TC_ETRGEDG) {
@@ -199,8 +209,8 @@ static int mchp_tc_count_action_write(struct counter_device *counter,
struct mchp_tc_data *const priv = counter_priv(counter);
u32 edge = ATMEL_TC_ETRGEDG_NONE;
- /* QDEC mode is rising edge only */
- if (priv->qdec_mode)
+ /* QDEC mode is rising edge only; only TIOA handled in non-QDEC mode */
+ if (priv->qdec_mode || synapse->signal->id != 0)
return -EINVAL;
switch (action) {
diff --git a/drivers/counter/ti-ecap-capture.c b/drivers/counter/ti-ecap-capture.c
index af10de30aba51d7b4c6d37bc8bef53e22725787b..fb1cb1774674a563b96cb91d9017dac4dc4e09ff 100644
--- a/drivers/counter/ti-ecap-capture.c
+++ b/drivers/counter/ti-ecap-capture.c
@@ -377,7 +377,8 @@ static const enum counter_signal_polarity ecap_cnt_pol_avail[] = {
COUNTER_SIGNAL_POLARITY_NEGATIVE,
};
-static DEFINE_COUNTER_ARRAY_POLARITY(ecap_cnt_pol_array, ecap_cnt_pol_avail, ECAP_NB_CEVT);
+static DEFINE_COUNTER_AVAILABLE(ecap_cnt_pol_available, ecap_cnt_pol_avail);
+static DEFINE_COUNTER_ARRAY_POLARITY(ecap_cnt_pol_array, ecap_cnt_pol_available, ECAP_NB_CEVT);
static struct counter_comp ecap_cnt_signal_ext[] = {
COUNTER_COMP_ARRAY_POLARITY(ecap_cnt_pol_read, ecap_cnt_pol_write, ecap_cnt_pol_array),
@@ -479,8 +480,8 @@ static int ecap_cnt_probe(struct platform_device *pdev)
int ret;
counter_dev = devm_counter_alloc(dev, sizeof(*ecap_dev));
- if (IS_ERR(counter_dev))
- return PTR_ERR(counter_dev);
+ if (!counter_dev)
+ return -ENOMEM;
counter_dev->name = ECAP_DRV_NAME;
counter_dev->parent = dev;
diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c
index d5dbc67bacb44aed6e1422f175b3d102562d889e..f3068175ca9d9ed1905a6a2a9dcb4a2542bb4c38 100644
--- a/drivers/hwtracing/coresight/coresight-core.c
+++ b/drivers/hwtracing/coresight/coresight-core.c
@@ -1687,14 +1687,15 @@ struct coresight_device *coresight_register(struct coresight_desc *desc)
ret = coresight_fixup_device_conns(csdev);
if (!ret)
ret = coresight_fixup_orphan_conns(csdev);
- if (!ret && cti_assoc_ops && cti_assoc_ops->add)
- cti_assoc_ops->add(csdev);
out_unlock:
mutex_unlock(&coresight_mutex);
/* Success */
- if (!ret)
+ if (!ret) {
+ if (cti_assoc_ops && cti_assoc_ops->add)
+ cti_assoc_ops->add(csdev);
return csdev;
+ }
/* Unregister the device if needed */
if (registered) {
diff --git a/drivers/hwtracing/coresight/coresight-cti-core.c b/drivers/hwtracing/coresight/coresight-cti-core.c
index 8988b2ed2ea6f5d3f5fed1606d824d6bf6f1781f..c6e8c6542f24bfa6741f4b4ef41c550d82d20be4 100644
--- a/drivers/hwtracing/coresight/coresight-cti-core.c
+++ b/drivers/hwtracing/coresight/coresight-cti-core.c
@@ -90,11 +90,9 @@ void cti_write_all_hw_regs(struct cti_drvdata *drvdata)
static int cti_enable_hw(struct cti_drvdata *drvdata)
{
struct cti_config *config = &drvdata->config;
- struct device *dev = &drvdata->csdev->dev;
unsigned long flags;
int rc = 0;
- pm_runtime_get_sync(dev->parent);
spin_lock_irqsave(&drvdata->spinlock, flags);
/* no need to do anything if enabled or unpowered*/
@@ -119,7 +117,6 @@ static int cti_enable_hw(struct cti_drvdata *drvdata)
/* cannot enable due to error */
cti_err_not_enabled:
spin_unlock_irqrestore(&drvdata->spinlock, flags);
- pm_runtime_put(dev->parent);
return rc;
}
@@ -153,7 +150,6 @@ static void cti_cpuhp_enable_hw(struct cti_drvdata *drvdata)
static int cti_disable_hw(struct cti_drvdata *drvdata)
{
struct cti_config *config = &drvdata->config;
- struct device *dev = &drvdata->csdev->dev;
struct coresight_device *csdev = drvdata->csdev;
spin_lock(&drvdata->spinlock);
@@ -175,7 +171,6 @@ static int cti_disable_hw(struct cti_drvdata *drvdata)
coresight_disclaim_device_unlocked(csdev);
CS_LOCK(drvdata->base);
spin_unlock(&drvdata->spinlock);
- pm_runtime_put(dev->parent);
return 0;
/* not disabled this call */
@@ -541,7 +536,7 @@ cti_match_fixup_csdev(struct cti_device *ctidev, const char *node_name,
/*
* Search the cti list to add an associated CTI into the supplied CS device
* This will set the association if CTI declared before the CS device.
- * (called from coresight_register() with coresight_mutex locked).
+ * (called from coresight_register() without coresight_mutex locked).
*/
static void cti_add_assoc_to_csdev(struct coresight_device *csdev)
{
@@ -569,7 +564,8 @@ static void cti_add_assoc_to_csdev(struct coresight_device *csdev)
* if we found a matching csdev then update the ECT
* association pointer for the device with this CTI.
*/
- csdev->ect_dev = ect_item->csdev;
+ coresight_set_assoc_ectdev_mutex(csdev->ect_dev,
+ ect_item->csdev);
break;
}
}
diff --git a/drivers/iio/accel/adxl367.c b/drivers/iio/accel/adxl367.c
index 47feb375b70be6a4ff6d6826f910ff627f169401..7c7d780407937a2a7cb1897685b30db7b4f72d25 100644
--- a/drivers/iio/accel/adxl367.c
+++ b/drivers/iio/accel/adxl367.c
@@ -1185,17 +1185,30 @@ static ssize_t adxl367_get_fifo_watermark(struct device *dev,
return sysfs_emit(buf, "%d\n", fifo_watermark);
}
-static IIO_CONST_ATTR(hwfifo_watermark_min, "1");
-static IIO_CONST_ATTR(hwfifo_watermark_max,
- __stringify(ADXL367_FIFO_MAX_WATERMARK));
+static ssize_t hwfifo_watermark_min_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return sysfs_emit(buf, "%s\n", "1");
+}
+
+static ssize_t hwfifo_watermark_max_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return sysfs_emit(buf, "%s\n", __stringify(ADXL367_FIFO_MAX_WATERMARK));
+}
+
+static IIO_DEVICE_ATTR_RO(hwfifo_watermark_min, 0);
+static IIO_DEVICE_ATTR_RO(hwfifo_watermark_max, 0);
static IIO_DEVICE_ATTR(hwfifo_watermark, 0444,
adxl367_get_fifo_watermark, NULL, 0);
static IIO_DEVICE_ATTR(hwfifo_enabled, 0444,
adxl367_get_fifo_enabled, NULL, 0);
static const struct attribute *adxl367_fifo_attributes[] = {
- &iio_const_attr_hwfifo_watermark_min.dev_attr.attr,
- &iio_const_attr_hwfifo_watermark_max.dev_attr.attr,
+ &iio_dev_attr_hwfifo_watermark_min.dev_attr.attr,
+ &iio_dev_attr_hwfifo_watermark_max.dev_attr.attr,
&iio_dev_attr_hwfifo_watermark.dev_attr.attr,
&iio_dev_attr_hwfifo_enabled.dev_attr.attr,
NULL,
diff --git a/drivers/iio/accel/adxl372.c b/drivers/iio/accel/adxl372.c
index e3ecbaee61f704797d3df8eedb5b9da113ebcfe1..bc53af809d5de13c3b72b6c90b62c0b868e3b74f 100644
--- a/drivers/iio/accel/adxl372.c
+++ b/drivers/iio/accel/adxl372.c
@@ -998,17 +998,30 @@ static ssize_t adxl372_get_fifo_watermark(struct device *dev,
return sprintf(buf, "%d\n", st->watermark);
}
-static IIO_CONST_ATTR(hwfifo_watermark_min, "1");
-static IIO_CONST_ATTR(hwfifo_watermark_max,
- __stringify(ADXL372_FIFO_SIZE));
+static ssize_t hwfifo_watermark_min_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return sysfs_emit(buf, "%s\n", "1");
+}
+
+static ssize_t hwfifo_watermark_max_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return sysfs_emit(buf, "%s\n", __stringify(ADXL372_FIFO_SIZE));
+}
+
+static IIO_DEVICE_ATTR_RO(hwfifo_watermark_min, 0);
+static IIO_DEVICE_ATTR_RO(hwfifo_watermark_max, 0);
static IIO_DEVICE_ATTR(hwfifo_watermark, 0444,
adxl372_get_fifo_watermark, NULL, 0);
static IIO_DEVICE_ATTR(hwfifo_enabled, 0444,
adxl372_get_fifo_enabled, NULL, 0);
static const struct attribute *adxl372_fifo_attributes[] = {
- &iio_const_attr_hwfifo_watermark_min.dev_attr.attr,
- &iio_const_attr_hwfifo_watermark_max.dev_attr.attr,
+ &iio_dev_attr_hwfifo_watermark_min.dev_attr.attr,
+ &iio_dev_attr_hwfifo_watermark_max.dev_attr.attr,
&iio_dev_attr_hwfifo_watermark.dev_attr.attr,
&iio_dev_attr_hwfifo_enabled.dev_attr.attr,
NULL,
diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c
index 57e8a8350cd167bff8ab60544efef63dec0c72ca..92f8b139acce9e98a2a86f5355ed03d6f0978740 100644
--- a/drivers/iio/accel/bmc150-accel-core.c
+++ b/drivers/iio/accel/bmc150-accel-core.c
@@ -925,17 +925,30 @@ static const struct iio_chan_spec_ext_info bmc150_accel_ext_info[] = {
{ }
};
-static IIO_CONST_ATTR(hwfifo_watermark_min, "1");
-static IIO_CONST_ATTR(hwfifo_watermark_max,
- __stringify(BMC150_ACCEL_FIFO_LENGTH));
+static ssize_t hwfifo_watermark_min_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return sysfs_emit(buf, "%s\n", "1");
+}
+
+static ssize_t hwfifo_watermark_max_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return sysfs_emit(buf, "%s\n", __stringify(BMC150_ACCEL_FIFO_LENGTH));
+}
+
+static IIO_DEVICE_ATTR_RO(hwfifo_watermark_min, 0);
+static IIO_DEVICE_ATTR_RO(hwfifo_watermark_max, 0);
static IIO_DEVICE_ATTR(hwfifo_enabled, S_IRUGO,
bmc150_accel_get_fifo_state, NULL, 0);
static IIO_DEVICE_ATTR(hwfifo_watermark, S_IRUGO,
bmc150_accel_get_fifo_watermark, NULL, 0);
static const struct attribute *bmc150_accel_fifo_attributes[] = {
- &iio_const_attr_hwfifo_watermark_min.dev_attr.attr,
- &iio_const_attr_hwfifo_watermark_max.dev_attr.attr,
+ &iio_dev_attr_hwfifo_watermark_min.dev_attr.attr,
+ &iio_dev_attr_hwfifo_watermark_max.dev_attr.attr,
&iio_dev_attr_hwfifo_watermark.dev_attr.attr,
&iio_dev_attr_hwfifo_enabled.dev_attr.attr,
NULL,
diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c
index 4294d6539cdb36439691aeb0c30850af3aea96f6..33e25155221490934a4d5ff478cd45e57990ad8d 100644
--- a/drivers/iio/adc/at91-sama5d2_adc.c
+++ b/drivers/iio/adc/at91-sama5d2_adc.c
@@ -2193,17 +2193,30 @@ static ssize_t at91_adc_get_watermark(struct device *dev,
return scnprintf(buf, PAGE_SIZE, "%d\n", st->dma_st.watermark);
}
+static ssize_t hwfifo_watermark_min_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return sysfs_emit(buf, "%s\n", "2");
+}
+
+static ssize_t hwfifo_watermark_max_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return sysfs_emit(buf, "%s\n", AT91_HWFIFO_MAX_SIZE_STR);
+}
+
static IIO_DEVICE_ATTR(hwfifo_enabled, 0444,
at91_adc_get_fifo_state, NULL, 0);
static IIO_DEVICE_ATTR(hwfifo_watermark, 0444,
at91_adc_get_watermark, NULL, 0);
-
-static IIO_CONST_ATTR(hwfifo_watermark_min, "2");
-static IIO_CONST_ATTR(hwfifo_watermark_max, AT91_HWFIFO_MAX_SIZE_STR);
+static IIO_DEVICE_ATTR_RO(hwfifo_watermark_min, 0);
+static IIO_DEVICE_ATTR_RO(hwfifo_watermark_max, 0);
static const struct attribute *at91_adc_fifo_attributes[] = {
- &iio_const_attr_hwfifo_watermark_min.dev_attr.attr,
- &iio_const_attr_hwfifo_watermark_max.dev_attr.attr,
+ &iio_dev_attr_hwfifo_watermark_min.dev_attr.attr,
+ &iio_dev_attr_hwfifo_watermark_max.dev_attr.attr,
&iio_dev_attr_hwfifo_watermark.dev_attr.attr,
&iio_dev_attr_hwfifo_enabled.dev_attr.attr,
NULL,
diff --git a/drivers/iio/adc/mcp3911.c b/drivers/iio/adc/mcp3911.c
index b35fd2c9c3c006a5f75413a758174e9e056ed671..76b334f5ac616326f704aee880d1b4d4fd039024 100644
--- a/drivers/iio/adc/mcp3911.c
+++ b/drivers/iio/adc/mcp3911.c
@@ -55,8 +55,9 @@
/* Internal voltage reference in mV */
#define MCP3911_INT_VREF_MV 1200
-#define MCP3911_REG_READ(reg, id) ((((reg) << 1) | ((id) << 5) | (1 << 0)) & 0xff)
-#define MCP3911_REG_WRITE(reg, id) ((((reg) << 1) | ((id) << 5) | (0 << 0)) & 0xff)
+#define MCP3911_REG_READ(reg, id) ((((reg) << 1) | ((id) << 6) | (1 << 0)) & 0xff)
+#define MCP3911_REG_WRITE(reg, id) ((((reg) << 1) | ((id) << 6) | (0 << 0)) & 0xff)
+#define MCP3911_REG_MASK GENMASK(4, 1)
#define MCP3911_NUM_CHANNELS 2
@@ -89,8 +90,8 @@ static int mcp3911_read(struct mcp3911 *adc, u8 reg, u32 *val, u8 len)
be32_to_cpus(val);
*val >>= ((4 - len) * 8);
- dev_dbg(&adc->spi->dev, "reading 0x%x from register 0x%x\n", *val,
- reg >> 1);
+ dev_dbg(&adc->spi->dev, "reading 0x%x from register 0x%lx\n", *val,
+ FIELD_GET(MCP3911_REG_MASK, reg));
return ret;
}
@@ -248,7 +249,7 @@ static int mcp3911_write_raw(struct iio_dev *indio_dev,
break;
case IIO_CHAN_INFO_OVERSAMPLING_RATIO:
- for (int i = 0; i < sizeof(mcp3911_osr_table); i++) {
+ for (int i = 0; i < ARRAY_SIZE(mcp3911_osr_table); i++) {
if (val == mcp3911_osr_table[i]) {
val = FIELD_PREP(MCP3911_CONFIG_OSR, i);
ret = mcp3911_update(adc, MCP3911_REG_CONFIG, MCP3911_CONFIG_OSR,
@@ -496,7 +497,7 @@ static int mcp3911_probe(struct spi_device *spi)
indio_dev->name,
iio_device_id(indio_dev));
if (!adc->trig)
- return PTR_ERR(adc->trig);
+ return -ENOMEM;
adc->trig->ops = &mcp3911_trigger_ops;
iio_trigger_set_drvdata(adc->trig, adc);
diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c
index 6256977eb7f7bc1c1e24d29bf3e037cb7c51c60e..3cda529f081db43c6101583711ca914e89eb75d1 100644
--- a/drivers/iio/adc/stm32-adc.c
+++ b/drivers/iio/adc/stm32-adc.c
@@ -2086,18 +2086,19 @@ static int stm32_adc_generic_chan_init(struct iio_dev *indio_dev,
stm32_adc_chan_init_one(indio_dev, &channels[scan_index], val,
vin[1], scan_index, differential);
+ val = 0;
ret = fwnode_property_read_u32(child, "st,min-sample-time-ns", &val);
/* st,min-sample-time-ns is optional */
- if (!ret) {
- stm32_adc_smpr_init(adc, channels[scan_index].channel, val);
- if (differential)
- stm32_adc_smpr_init(adc, vin[1], val);
- } else if (ret != -EINVAL) {
+ if (ret && ret != -EINVAL) {
dev_err(&indio_dev->dev, "Invalid st,min-sample-time-ns property %d\n",
ret);
goto err;
}
+ stm32_adc_smpr_init(adc, channels[scan_index].channel, val);
+ if (differential)
+ stm32_adc_smpr_init(adc, vin[1], val);
+
scan_index++;
}
diff --git a/drivers/iio/light/tsl2583.c b/drivers/iio/light/tsl2583.c
index 0a2ca1a8146da4690e570c693ec8a68530d855ba..7bcb5c7189224b9b35c2061f09806a8458a2e745 100644
--- a/drivers/iio/light/tsl2583.c
+++ b/drivers/iio/light/tsl2583.c
@@ -858,7 +858,7 @@ static int tsl2583_probe(struct i2c_client *clientp,
TSL2583_POWER_OFF_DELAY_MS);
pm_runtime_use_autosuspend(&clientp->dev);
- ret = devm_iio_device_register(indio_dev->dev.parent, indio_dev);
+ ret = iio_device_register(indio_dev);
if (ret) {
dev_err(&clientp->dev, "%s: iio registration failed\n",
__func__);
diff --git a/drivers/iio/temperature/ltc2983.c b/drivers/iio/temperature/ltc2983.c
index b652d2b39bcf216376bafc29f4b2daa3ce9f39f8..a60ccf183687266fabc3ae062d2603c00de6f434 100644
--- a/drivers/iio/temperature/ltc2983.c
+++ b/drivers/iio/temperature/ltc2983.c
@@ -1385,13 +1385,6 @@ static int ltc2983_setup(struct ltc2983_data *st, bool assign_iio)
return ret;
}
- st->iio_chan = devm_kzalloc(&st->spi->dev,
- st->iio_channels * sizeof(*st->iio_chan),
- GFP_KERNEL);
-
- if (!st->iio_chan)
- return -ENOMEM;
-
ret = regmap_update_bits(st->regmap, LTC2983_GLOBAL_CONFIG_REG,
LTC2983_NOTCH_FREQ_MASK,
LTC2983_NOTCH_FREQ(st->filter_notch_freq));
@@ -1514,6 +1507,12 @@ static int ltc2983_probe(struct spi_device *spi)
gpiod_set_value_cansleep(gpio, 0);
}
+ st->iio_chan = devm_kzalloc(&spi->dev,
+ st->iio_channels * sizeof(*st->iio_chan),
+ GFP_KERNEL);
+ if (!st->iio_chan)
+ return -ENOMEM;
+
ret = ltc2983_setup(st, true);
if (ret)
return ret;
diff --git a/drivers/misc/sgi-gru/grumain.c b/drivers/misc/sgi-gru/grumain.c
index 9afda47efbf2e82a429331391efc88f9ed4cfab9..6706ef3c597760cc6cee6ec81627021fb304f61a 100644
--- a/drivers/misc/sgi-gru/grumain.c
+++ b/drivers/misc/sgi-gru/grumain.c
@@ -152,7 +152,7 @@ static int gru_assign_asid(struct gru_state *gru)
* Optionally, build an array of chars that contain the bit numbers allocated.
*/
static unsigned long reserve_resources(unsigned long *p, int n, int mmax,
- char *idx)
+ signed char *idx)
{
unsigned long bits = 0;
int i;
@@ -170,14 +170,14 @@ static unsigned long reserve_resources(unsigned long *p, int n, int mmax,
}
unsigned long gru_reserve_cb_resources(struct gru_state *gru, int cbr_au_count,
- char *cbmap)
+ signed char *cbmap)
{
return reserve_resources(&gru->gs_cbr_map, cbr_au_count, GRU_CBR_AU,
cbmap);
}
unsigned long gru_reserve_ds_resources(struct gru_state *gru, int dsr_au_count,
- char *dsmap)
+ signed char *dsmap)
{
return reserve_resources(&gru->gs_dsr_map, dsr_au_count, GRU_DSR_AU,
dsmap);
diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h
index 5efc869fe59a002000facd831a8fc0b816ba1743..8c52776db23417635f9a79626283dd71da1619e0 100644
--- a/drivers/misc/sgi-gru/grutables.h
+++ b/drivers/misc/sgi-gru/grutables.h
@@ -351,7 +351,7 @@ struct gru_thread_state {
pid_t ts_tgid_owner; /* task that is using the
context - for migration */
short ts_user_blade_id;/* user selected blade */
- char ts_user_chiplet_id;/* user selected chiplet */
+ signed char ts_user_chiplet_id;/* user selected chiplet */
unsigned short ts_sizeavail; /* Pagesizes in use */
int ts_tsid; /* thread that owns the
structure */
@@ -364,11 +364,11 @@ struct gru_thread_state {
required for contest */
unsigned char ts_cbr_au_count;/* Number of CBR resources
required for contest */
- char ts_cch_req_slice;/* CCH packet slice */
- char ts_blade; /* If >= 0, migrate context if
+ signed char ts_cch_req_slice;/* CCH packet slice */
+ signed char ts_blade; /* If >= 0, migrate context if
ref from different blade */
- char ts_force_cch_reload;
- char ts_cbr_idx[GRU_CBR_AU];/* CBR numbers of each
+ signed char ts_force_cch_reload;
+ signed char ts_cbr_idx[GRU_CBR_AU];/* CBR numbers of each
allocated CB */
int ts_data_valid; /* Indicates if ts_gdata has
valid data */
@@ -643,9 +643,9 @@ extern struct gru_thread_state *gru_alloc_gts(struct vm_area_struct *vma,
int cbr_au_count, int dsr_au_count,
unsigned char tlb_preload_count, int options, int tsid);
extern unsigned long gru_reserve_cb_resources(struct gru_state *gru,
- int cbr_au_count, char *cbmap);
+ int cbr_au_count, signed char *cbmap);
extern unsigned long gru_reserve_ds_resources(struct gru_state *gru,
- int dsr_au_count, char *dsmap);
+ int dsr_au_count, signed char *dsmap);
extern vm_fault_t gru_fault(struct vm_fault *vmf);
extern struct gru_mm_struct *gru_register_mmu_notifier(void);
extern void gru_drop_mmu_notifier(struct gru_mm_struct *gms);
diff --git a/include/linux/counter.h b/include/linux/counter.h
index c41fa602ed283875449237af8ceea18f563ab07f..b63746637de2aaa55f21c48d7434c8f62be2e5c4 100644
--- a/include/linux/counter.h
+++ b/include/linux/counter.h
@@ -542,11 +542,10 @@ struct counter_array {
#define DEFINE_COUNTER_ARRAY_CAPTURE(_name, _length) \
DEFINE_COUNTER_ARRAY_U64(_name, _length)
-#define DEFINE_COUNTER_ARRAY_POLARITY(_name, _enums, _length) \
- DEFINE_COUNTER_AVAILABLE(_name##_available, _enums); \
+#define DEFINE_COUNTER_ARRAY_POLARITY(_name, _available, _length) \
struct counter_array _name = { \
.type = COUNTER_COMP_SIGNAL_POLARITY, \
- .avail = &(_name##_available), \
+ .avail = &(_available), \
.length = (_length), \
}
diff --git a/tools/iio/iio_utils.c b/tools/iio/iio_utils.c
index aadee6d34c74c112f84be5977f23135e34ee0d20..8d35893b2fa856741d8098da41add733c2ce25cb 100644
--- a/tools/iio/iio_utils.c
+++ b/tools/iio/iio_utils.c
@@ -547,6 +547,10 @@ static int calc_digits(int num)
{
int count = 0;
+ /* It takes a digit to represent zero */
+ if (!num)
+ return 1;
+
while (num != 0) {
num /= 10;
count++;