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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-08-28 15:26:48 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-08-28 15:26:48 +0200
commit8439a69e72888daa7d2667980efaf20d8bbe7b20 (patch)
treeff262847ff4f6797c9df882379ea0498a8822a18 /drivers/iio/adc
parentb9920ca3b53728aaa836f138f74ebb37776b9f57 (diff)
parentcc4a41fe5541a73019a864883297bd5043aa6d98 (diff)
Merge 4.13-rc7 into staging-next
We want the staging and iio fixes in here to handle the merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iio/adc')
-rw-r--r--drivers/iio/adc/ina2xx-adc.c2
-rw-r--r--drivers/iio/adc/stm32-adc-core.c10
2 files changed, 6 insertions, 6 deletions
diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c
index 68884d26b50c..f387b972e4f4 100644
--- a/drivers/iio/adc/ina2xx-adc.c
+++ b/drivers/iio/adc/ina2xx-adc.c
@@ -666,7 +666,7 @@ static int ina2xx_capture_thread(void *data)
{
struct iio_dev *indio_dev = data;
struct ina2xx_chip_info *chip = iio_priv(indio_dev);
- unsigned int sampling_us = SAMPLING_PERIOD(chip);
+ int sampling_us = SAMPLING_PERIOD(chip);
int buffer_us;
/*
diff --git a/drivers/iio/adc/stm32-adc-core.c b/drivers/iio/adc/stm32-adc-core.c
index 9d083c2338f9..804198eb0eef 100644
--- a/drivers/iio/adc/stm32-adc-core.c
+++ b/drivers/iio/adc/stm32-adc-core.c
@@ -64,7 +64,7 @@
#define STM32H7_CKMODE_MASK GENMASK(17, 16)
/* STM32 H7 maximum analog clock rate (from datasheet) */
-#define STM32H7_ADC_MAX_CLK_RATE 72000000
+#define STM32H7_ADC_MAX_CLK_RATE 36000000
/**
* stm32_adc_common_regs - stm32 common registers, compatible dependent data
@@ -148,14 +148,14 @@ static int stm32f4_adc_clk_sel(struct platform_device *pdev,
return -EINVAL;
}
- priv->common.rate = rate;
+ priv->common.rate = rate / stm32f4_pclk_div[i];
val = readl_relaxed(priv->common.base + STM32F4_ADC_CCR);
val &= ~STM32F4_ADC_ADCPRE_MASK;
val |= i << STM32F4_ADC_ADCPRE_SHIFT;
writel_relaxed(val, priv->common.base + STM32F4_ADC_CCR);
dev_dbg(&pdev->dev, "Using analog clock source at %ld kHz\n",
- rate / (stm32f4_pclk_div[i] * 1000));
+ priv->common.rate / 1000);
return 0;
}
@@ -250,7 +250,7 @@ static int stm32h7_adc_clk_sel(struct platform_device *pdev,
out:
/* rate used later by each ADC instance to control BOOST mode */
- priv->common.rate = rate;
+ priv->common.rate = rate / div;
/* Set common clock mode and prescaler */
val = readl_relaxed(priv->common.base + STM32H7_ADC_CCR);
@@ -260,7 +260,7 @@ out:
writel_relaxed(val, priv->common.base + STM32H7_ADC_CCR);
dev_dbg(&pdev->dev, "Using %s clock/%d source at %ld kHz\n",
- ckmode ? "bus" : "adc", div, rate / (div * 1000));
+ ckmode ? "bus" : "adc", div, priv->common.rate / 1000);
return 0;
}