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authorGreg Kroah-Hartman2017-12-06 15:27:17 +0100
committerGreg Kroah-Hartman2017-12-06 15:27:17 +0100
commite8cd29b774ddd28bfe6d693c82241e294dc91e09 (patch)
treec8f904220eab7c50771558642b6c6d9240fb5368 /drivers/iio
parentstaging: dgnc: add identifiers to function parameters (diff)
parentMerge tag 'staging-4.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git... (diff)
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Merge Linus's staging merge point into staging-next
This resolves the merge issue pointed out by Stephen in drivers/iio/adc/meson_saradc.c. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/adc/cpcap-adc.c2
-rw-r--r--drivers/iio/adc/meson_saradc.c52
-rw-r--r--drivers/iio/health/max30102.c2
-rw-r--r--drivers/iio/industrialio-core.c4
-rw-r--r--drivers/iio/proximity/sx9500.c9
5 files changed, 55 insertions, 14 deletions
diff --git a/drivers/iio/adc/cpcap-adc.c b/drivers/iio/adc/cpcap-adc.c
index 3576ec73ec23..9ad60421d360 100644
--- a/drivers/iio/adc/cpcap-adc.c
+++ b/drivers/iio/adc/cpcap-adc.c
@@ -1011,7 +1011,7 @@ static int cpcap_adc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, indio_dev);
ddata->irq = platform_get_irq_byname(pdev, "adcdone");
- if (!ddata->irq)
+ if (ddata->irq < 0)
return -ENODEV;
error = devm_request_threaded_irq(&pdev->dev, ddata->irq, NULL,
diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c
index f0b6502a8904..48fdbb3a061b 100644
--- a/drivers/iio/adc/meson_saradc.c
+++ b/drivers/iio/adc/meson_saradc.c
@@ -221,8 +221,10 @@ enum meson_sar_adc_chan7_mux_sel {
struct meson_sar_adc_data {
bool has_bl30_integration;
+ u32 bandgap_reg;
unsigned int resolution;
const char *name;
+ const struct regmap_config *regmap_config;
};
struct meson_sar_adc_priv {
@@ -241,13 +243,20 @@ struct meson_sar_adc_priv {
int calibscale;
};
-static const struct regmap_config meson_sar_adc_regmap_config = {
+static const struct regmap_config meson_sar_adc_regmap_config_gxbb = {
.reg_bits = 8,
.val_bits = 32,
.reg_stride = 4,
.max_register = MESON_SAR_ADC_REG13,
};
+static const struct regmap_config meson_sar_adc_regmap_config_meson8 = {
+ .reg_bits = 8,
+ .val_bits = 32,
+ .reg_stride = 4,
+ .max_register = MESON_SAR_ADC_DELTA_10,
+};
+
static unsigned int meson_sar_adc_get_fifo_count(struct iio_dev *indio_dev)
{
struct meson_sar_adc_priv *priv = iio_priv(indio_dev);
@@ -599,7 +608,7 @@ static int meson_sar_adc_clk_init(struct iio_dev *indio_dev,
init.num_parents = 1;
priv->clk_gate.reg = base + MESON_SAR_ADC_REG3;
- priv->clk_gate.bit_idx = fls(MESON_SAR_ADC_REG3_CLK_EN);
+ priv->clk_gate.bit_idx = __ffs(MESON_SAR_ADC_REG3_CLK_EN);
priv->clk_gate.hw.init = &init;
priv->adc_clk = devm_clk_register(&indio_dev->dev, &priv->clk_gate.hw);
@@ -684,6 +693,20 @@ static int meson_sar_adc_init(struct iio_dev *indio_dev)
return 0;
}
+static void meson_sar_adc_set_bandgap(struct iio_dev *indio_dev, bool on_off)
+{
+ struct meson_sar_adc_priv *priv = iio_priv(indio_dev);
+ u32 enable_mask;
+
+ if (priv->data->bandgap_reg == MESON_SAR_ADC_REG11)
+ enable_mask = MESON_SAR_ADC_REG11_BANDGAP_EN;
+ else
+ enable_mask = MESON_SAR_ADC_DELTA_10_TS_VBG_EN;
+
+ regmap_update_bits(priv->regmap, priv->data->bandgap_reg, enable_mask,
+ on_off ? enable_mask : 0);
+}
+
static int meson_sar_adc_hw_enable(struct iio_dev *indio_dev)
{
struct meson_sar_adc_priv *priv = iio_priv(indio_dev);
@@ -710,9 +733,9 @@ static int meson_sar_adc_hw_enable(struct iio_dev *indio_dev)
regval = FIELD_PREP(MESON_SAR_ADC_REG0_FIFO_CNT_IRQ_MASK, 1);
regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG0,
MESON_SAR_ADC_REG0_FIFO_CNT_IRQ_MASK, regval);
- regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG11,
- MESON_SAR_ADC_REG11_BANDGAP_EN,
- MESON_SAR_ADC_REG11_BANDGAP_EN);
+
+ meson_sar_adc_set_bandgap(indio_dev, true);
+
regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG3,
MESON_SAR_ADC_REG3_ADC_EN,
MESON_SAR_ADC_REG3_ADC_EN);
@@ -732,8 +755,7 @@ static int meson_sar_adc_hw_enable(struct iio_dev *indio_dev)
err_adc_clk:
regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG3,
MESON_SAR_ADC_REG3_ADC_EN, 0);
- regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG11,
- MESON_SAR_ADC_REG11_BANDGAP_EN, 0);
+ meson_sar_adc_set_bandgap(indio_dev, false);
clk_disable_unprepare(priv->core_clk);
err_core_clk:
regulator_disable(priv->vref);
@@ -756,8 +778,8 @@ static int meson_sar_adc_hw_disable(struct iio_dev *indio_dev)
regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG3,
MESON_SAR_ADC_REG3_ADC_EN, 0);
- regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG11,
- MESON_SAR_ADC_REG11_BANDGAP_EN, 0);
+
+ meson_sar_adc_set_bandgap(indio_dev, false);
clk_disable_unprepare(priv->core_clk);
@@ -834,30 +856,40 @@ static const struct iio_info meson_sar_adc_iio_info = {
static const struct meson_sar_adc_data meson_sar_adc_meson8_data = {
.has_bl30_integration = false,
+ .bandgap_reg = MESON_SAR_ADC_DELTA_10,
+ .regmap_config = &meson_sar_adc_regmap_config_meson8,
.resolution = 10,
.name = "meson-meson8-saradc",
};
static const struct meson_sar_adc_data meson_sar_adc_meson8b_data = {
.has_bl30_integration = false,
+ .bandgap_reg = MESON_SAR_ADC_DELTA_10,
+ .regmap_config = &meson_sar_adc_regmap_config_meson8,
.resolution = 10,
.name = "meson-meson8b-saradc",
};
static const struct meson_sar_adc_data meson_sar_adc_gxbb_data = {
.has_bl30_integration = true,
+ .bandgap_reg = MESON_SAR_ADC_REG11,
+ .regmap_config = &meson_sar_adc_regmap_config_gxbb,
.resolution = 10,
.name = "meson-gxbb-saradc",
};
static const struct meson_sar_adc_data meson_sar_adc_gxl_data = {
.has_bl30_integration = true,
+ .bandgap_reg = MESON_SAR_ADC_REG11,
+ .regmap_config = &meson_sar_adc_regmap_config_gxbb,
.resolution = 12,
.name = "meson-gxl-saradc",
};
static const struct meson_sar_adc_data meson_sar_adc_gxm_data = {
.has_bl30_integration = true,
+ .bandgap_reg = MESON_SAR_ADC_REG11,
+ .regmap_config = &meson_sar_adc_regmap_config_gxbb,
.resolution = 12,
.name = "meson-gxm-saradc",
};
@@ -935,7 +967,7 @@ static int meson_sar_adc_probe(struct platform_device *pdev)
return ret;
priv->regmap = devm_regmap_init_mmio(&pdev->dev, base,
- &meson_sar_adc_regmap_config);
+ priv->data->regmap_config);
if (IS_ERR(priv->regmap))
return PTR_ERR(priv->regmap);
diff --git a/drivers/iio/health/max30102.c b/drivers/iio/health/max30102.c
index 490dfbaf35ac..15ccadc74891 100644
--- a/drivers/iio/health/max30102.c
+++ b/drivers/iio/health/max30102.c
@@ -497,7 +497,7 @@ static int max30102_read_raw(struct iio_dev *indio_dev,
ret = IIO_VAL_INT;
break;
case IIO_CHAN_INFO_SCALE:
- *val = 1; /* 0.0625 */
+ *val = 1000; /* 62.5 */
*val2 = 16;
ret = IIO_VAL_FRACTIONAL;
break;
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 2e8e36f9da61..19bdf3d2962a 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -632,7 +632,7 @@ static ssize_t __iio_format_value(char *buf, size_t len, unsigned int type,
* iio_format_value() - Formats a IIO value into its string representation
* @buf: The buffer to which the formatted value gets written
* which is assumed to be big enough (i.e. PAGE_SIZE).
- * @type: One of the IIO_VAL_... constants. This decides how the val
+ * @type: One of the IIO_VAL_* constants. This decides how the val
* and val2 parameters are formatted.
* @size: Number of IIO value entries contained in vals
* @vals: Pointer to the values, exact meaning depends on the
@@ -640,7 +640,7 @@ static ssize_t __iio_format_value(char *buf, size_t len, unsigned int type,
*
* Return: 0 by default, a negative number on failure or the
* total number of characters written for a type that belongs
- * to the IIO_VAL_... constant.
+ * to the IIO_VAL_* constant.
*/
ssize_t iio_format_value(char *buf, unsigned int type, int size, int *vals)
{
diff --git a/drivers/iio/proximity/sx9500.c b/drivers/iio/proximity/sx9500.c
index f878a9a9f304..b8a2c2c8cac5 100644
--- a/drivers/iio/proximity/sx9500.c
+++ b/drivers/iio/proximity/sx9500.c
@@ -869,6 +869,7 @@ static int sx9500_init_device(struct iio_dev *indio_dev)
static void sx9500_gpio_probe(struct i2c_client *client,
struct sx9500_data *data)
{
+ struct gpio_desc *gpiod_int;
struct device *dev;
if (!client)
@@ -876,6 +877,14 @@ static void sx9500_gpio_probe(struct i2c_client *client,
dev = &client->dev;
+ if (client->irq <= 0) {
+ gpiod_int = devm_gpiod_get(dev, SX9500_GPIO_INT, GPIOD_IN);
+ if (IS_ERR(gpiod_int))
+ dev_err(dev, "gpio get irq failed\n");
+ else
+ client->irq = gpiod_to_irq(gpiod_int);
+ }
+
data->gpiod_rst = devm_gpiod_get(dev, SX9500_GPIO_RESET, GPIOD_OUT_HIGH);
if (IS_ERR(data->gpiod_rst)) {
dev_warn(dev, "gpio get reset pin failed\n");