diff options
Diffstat (limited to 'drivers/iio/adc/ti-ads124s08.c')
| -rw-r--r-- | drivers/iio/adc/ti-ads124s08.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/drivers/iio/adc/ti-ads124s08.c b/drivers/iio/adc/ti-ads124s08.c index 17d0da5877a9..8ea1269f74db 100644 --- a/drivers/iio/adc/ti-ads124s08.c +++ b/drivers/iio/adc/ti-ads124s08.c @@ -8,8 +8,7 @@ #include <linux/device.h> #include <linux/kernel.h> #include <linux/module.h> -#include <linux/of.h> -#include <linux/of_gpio.h> +#include <linux/mod_devicetable.h> #include <linux/slab.h> #include <linux/sysfs.h> @@ -22,7 +21,7 @@ #include <linux/iio/triggered_buffer.h> #include <linux/iio/sysfs.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> /* Commands */ #define ADS124S08_CMD_NOP 0x00 @@ -107,7 +106,7 @@ struct ads124s_private { * timestamp is maintained. */ u32 buffer[ADS124S08_MAX_CHANNELS + sizeof(s64)/sizeof(u32)] __aligned(8); - u8 data[5] ____cacheline_aligned; + u8 data[5] __aligned(IIO_DMA_MINALIGN); }; #define ADS124S08_CHAN(index) \ @@ -184,9 +183,9 @@ static int ads124s_reset(struct iio_dev *indio_dev) struct ads124s_private *priv = iio_priv(indio_dev); if (priv->reset_gpio) { - gpiod_set_value(priv->reset_gpio, 0); - udelay(200); - gpiod_set_value(priv->reset_gpio, 1); + gpiod_set_value_cansleep(priv->reset_gpio, 0); + fsleep(200); + gpiod_set_value_cansleep(priv->reset_gpio, 1); } else { return ads124s_write_cmd(indio_dev, ADS124S08_CMD_RESET); } @@ -194,7 +193,7 @@ static int ads124s_reset(struct iio_dev *indio_dev) return 0; }; -static int ads124s_read(struct iio_dev *indio_dev, unsigned int chan) +static int ads124s_read(struct iio_dev *indio_dev) { struct ads124s_private *priv = iio_priv(indio_dev); int ret; @@ -243,7 +242,7 @@ static int ads124s_read_raw(struct iio_dev *indio_dev, goto out; } - ret = ads124s_read(indio_dev, chan->channel); + ret = ads124s_read(indio_dev); if (ret < 0) { dev_err(&priv->spi->dev, "Read ADC failed\n"); goto out; @@ -280,8 +279,7 @@ static irqreturn_t ads124s_trigger_handler(int irq, void *p) int scan_index, j = 0; int ret; - for_each_set_bit(scan_index, indio_dev->active_scan_mask, - indio_dev->masklength) { + iio_for_each_active_channel(indio_dev, scan_index) { ret = ads124s_write_reg(indio_dev, ADS124S08_INPUT_MUX, scan_index); if (ret) @@ -291,7 +289,7 @@ static irqreturn_t ads124s_trigger_handler(int irq, void *p) if (ret) dev_err(&priv->spi->dev, "Start ADC conversions failed\n"); - priv->buffer[j] = ads124s_read(indio_dev, scan_index); + priv->buffer[j] = ads124s_read(indio_dev); ret = ads124s_write_cmd(indio_dev, ADS124S08_STOP_CONV); if (ret) dev_err(&priv->spi->dev, "Stop ADC conversions failed\n"); @@ -299,8 +297,8 @@ static irqreturn_t ads124s_trigger_handler(int irq, void *p) j++; } - iio_push_to_buffers_with_timestamp(indio_dev, priv->buffer, - pf->timestamp); + iio_push_to_buffers_with_ts(indio_dev, priv->buffer, sizeof(priv->buffer), + pf->timestamp); iio_trigger_notify_done(indio_dev->trig); @@ -359,7 +357,7 @@ MODULE_DEVICE_TABLE(spi, ads124s_id); static const struct of_device_id ads124s_of_table[] = { { .compatible = "ti,ads124s06" }, { .compatible = "ti,ads124s08" }, - { }, + { } }; MODULE_DEVICE_TABLE(of, ads124s_of_table); |