Merge branch 'core/urgent' into x86/urgent, to pick up objtool fix

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 28 insertions, 3 deletions

diff --git a/drivers/staging/iio/adc/ad7606.h b/drivers/staging/iio/adc/ad7606.h
index 9716ee9d94a7..86188054b60b 100644
--- a/drivers/staging/iio/adc/ad7606.h
+++ b/drivers/staging/iio/adc/ad7606.h
@@ -11,20 +11,40 @@
 
 /**
  * struct ad7606_chip_info - chip specific information
- * @name:		identification string for chip
  * @channels:		channel specification
  * @num_channels:	number of channels
- * @lock		protect sensor state
+ * @has_oversampling:   whether the device has oversampling support
  */
 
 struct ad7606_chip_info {
 	const struct iio_chan_spec	*channels;
 	unsigned int			num_channels;
+	bool				has_oversampling;
 };
 
 /**
  * struct ad7606_state - driver instance specific data
- * @lock		protect sensor state
+ * @dev		pointer to kernel device
+ * @chip_info		entry in the table of chips that describes this device
+ * @reg		regulator info for the the power supply of the device
+ * @poll_work		work struct for continuously reading data from the device
+ *			into an IIO triggered buffer
+ * @wq_data_avail	wait queue struct for buffer mode
+ * @bops		bus operations (SPI or parallel)
+ * @range		voltage range selection, selects which scale to apply
+ * @oversampling	oversampling selection
+ * @done		marks whether reading data is done
+ * @base_address	address from where to read data in parallel operation
+ * @lock		protect sensor state from concurrent accesses to GPIOs
+ * @gpio_convst	GPIO descriptor for conversion start signal (CONVST)
+ * @gpio_reset		GPIO descriptor for device hard-reset
+ * @gpio_range		GPIO descriptor for range selection
+ * @gpio_standby	GPIO descriptor for stand-by signal (STBY),
+ *			controls power-down mode of device
+ * @gpio_frstdata	GPIO descriptor for reading from device when data
+ *			is being read on the first channel
+ * @gpio_os		GPIO descriptors to control oversampling on the device
+ * @data		buffer for reading data from the device
  */
 
 struct ad7606_state {
@@ -55,6 +75,10 @@ struct ad7606_state {
 	unsigned short			data[12] ____cacheline_aligned;
 };
 
+/**
+ * struct ad7606_bus_ops - driver bus operations
+ * @read_block		function pointer for reading blocks of data
+ */
 struct ad7606_bus_ops {
 	/* more methods added in future? */
 	int (*read_block)(struct device *dev, int num, void *data);
@@ -66,6 +90,7 @@ int ad7606_probe(struct device *dev, int irq, void __iomem *base_address,
 int ad7606_remove(struct device *dev, int irq);
 
 enum ad7606_supported_device_ids {
+	ID_AD7605_4,
 	ID_AD7606_8,
 	ID_AD7606_6,
 	ID_AD7606_4