diff options
Diffstat (limited to 'drivers/iio/accel/stk8312.c')
| -rw-r--r-- | drivers/iio/accel/stk8312.c | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/drivers/iio/accel/stk8312.c b/drivers/iio/accel/stk8312.c index 157d8faefb9e..43c621d0f11e 100644 --- a/drivers/iio/accel/stk8312.c +++ b/drivers/iio/accel/stk8312.c @@ -7,7 +7,6 @@ * IIO driver for STK8312; 7-bit I2C address: 0x3D. */ -#include <linux/acpi.h> #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/kernel.h> @@ -103,7 +102,11 @@ struct stk8312_data { u8 mode; struct iio_trigger *dready_trig; bool dready_trigger_on; - s8 buffer[16]; /* 3x8-bit channels + 5x8 padding + 64-bit timestamp */ + /* Ensure timestamp is naturally aligned */ + struct { + s8 chans[3]; + s64 timestamp __aligned(8); + } scan; }; static IIO_CONST_ATTR(in_accel_scale_available, STK8312_SCALE_AVAIL); @@ -438,7 +441,7 @@ static irqreturn_t stk8312_trigger_handler(int irq, void *p) ret = i2c_smbus_read_i2c_block_data(data->client, STK8312_REG_XOUT, STK8312_ALL_CHANNEL_SIZE, - data->buffer); + data->scan.chans); if (ret < STK8312_ALL_CHANNEL_SIZE) { dev_err(&data->client->dev, "register read failed\n"); mutex_unlock(&data->lock); @@ -452,12 +455,12 @@ static irqreturn_t stk8312_trigger_handler(int irq, void *p) mutex_unlock(&data->lock); goto err; } - data->buffer[i++] = ret; + data->scan.chans[i++] = ret; } } mutex_unlock(&data->lock); - iio_push_to_buffers_with_timestamp(indio_dev, data->buffer, + iio_push_to_buffers_with_timestamp(indio_dev, &data->scan, pf->timestamp); err: iio_trigger_notify_done(indio_dev->trig); @@ -552,7 +555,7 @@ static int stk8312_probe(struct i2c_client *client, data->dready_trig = devm_iio_trigger_alloc(&client->dev, "%s-dev%d", indio_dev->name, - indio_dev->id); + iio_device_id(indio_dev)); if (!data->dready_trig) { ret = -ENOMEM; goto err_power_off; @@ -635,23 +638,17 @@ static SIMPLE_DEV_PM_OPS(stk8312_pm_ops, stk8312_suspend, stk8312_resume); #endif static const struct i2c_device_id stk8312_i2c_id[] = { - {"STK8312", 0}, + /* Deprecated in favour of lowercase form */ + { "STK8312", 0 }, + { "stk8312", 0 }, {} }; MODULE_DEVICE_TABLE(i2c, stk8312_i2c_id); -static const struct acpi_device_id stk8312_acpi_id[] = { - {"STK8312", 0}, - {} -}; - -MODULE_DEVICE_TABLE(acpi, stk8312_acpi_id); - static struct i2c_driver stk8312_driver = { .driver = { .name = STK8312_DRIVER_NAME, .pm = STK8312_PM_OPS, - .acpi_match_table = ACPI_PTR(stk8312_acpi_id), }, .probe = stk8312_probe, .remove = stk8312_remove, |