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path: root/drivers/iio/potentiometer/mcp41010.c
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Diffstat (limited to 'drivers/iio/potentiometer/mcp41010.c')
-rw-r--r--drivers/iio/potentiometer/mcp41010.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/iio/potentiometer/mcp41010.c b/drivers/iio/potentiometer/mcp41010.c
index 2368b39debf5..2b73c7540209 100644
--- a/drivers/iio/potentiometer/mcp41010.c
+++ b/drivers/iio/potentiometer/mcp41010.c
@@ -5,7 +5,7 @@
* Copyright (c) 2018 Chris Coffey <cmc@babblebit.net>
* Based on: Slawomir Stepien's code from mcp4131.c
*
- * Datasheet: http://ww1.microchip.com/downloads/en/devicedoc/11195c.pdf
+ * Datasheet: https://ww1.microchip.com/downloads/en/devicedoc/11195c.pdf
*
* DEVID #Wipers #Positions Resistance (kOhm)
* mcp41010 1 256 10
@@ -21,9 +21,9 @@
#include <linux/iio/iio.h>
#include <linux/iio/types.h>
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/mutex.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
+#include <linux/property.h>
#include <linux/spi/spi.h>
#define MCP41010_MAX_WIPERS 2
@@ -60,7 +60,7 @@ struct mcp41010_data {
const struct mcp41010_cfg *cfg;
struct mutex lock; /* Protect write sequences */
unsigned int value[MCP41010_MAX_WIPERS]; /* Cache wiper values */
- u8 buf[2] ____cacheline_aligned;
+ u8 buf[2] __aligned(IIO_DMA_MINALIGN);
};
#define MCP41010_CHANNEL(ch) { \
@@ -146,13 +146,12 @@ static int mcp41010_probe(struct spi_device *spi)
data = iio_priv(indio_dev);
spi_set_drvdata(spi, indio_dev);
data->spi = spi;
- data->cfg = of_device_get_match_data(&spi->dev);
+ data->cfg = device_get_match_data(&spi->dev);
if (!data->cfg)
data->cfg = &mcp41010_cfg[spi_get_device_id(spi)->driver_data];
mutex_init(&data->lock);
- indio_dev->dev.parent = dev;
indio_dev->info = &mcp41010_info;
indio_dev->channels = mcp41010_channels;
indio_dev->num_channels = data->cfg->wipers;