Merge tag 'char-misc-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / misc driver updates from Greg KH:
 "Here is the large set of char and misc and other driver subsystem
  changes for 6.0-rc1.

  Highlights include:

   - large set of IIO driver updates, additions, and cleanups

   - new habanalabs device support added (loads of register maps much
     like GPUs have)

   - soundwire driver updates

   - phy driver updates

   - slimbus driver updates

   - tiny virt driver fixes and updates

   - misc driver fixes and updates

   - interconnect driver updates

   - hwtracing driver updates

   - fpga driver updates

   - extcon driver updates

   - firmware driver updates

   - counter driver update

   - mhi driver fixes and updates

   - binder driver fixes and updates

   - speakup driver fixes

  All of these have been in linux-next for a while without any reported
  problems"

* tag 'char-misc-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (634 commits)
  drivers: lkdtm: fix clang -Wformat warning
  char: remove VR41XX related char driver
  misc: Mark MICROCODE_MINOR unused
  spmi: trace: fix stack-out-of-bound access in SPMI tracing functions
  dt-bindings: iio: adc: Add compatible for MT8188
  iio: light: isl29028: Fix the warning in isl29028_remove()
  iio: accel: sca3300: Extend the trigger buffer from 16 to 32 bytes
  iio: fix iio_format_avail_range() printing for none IIO_VAL_INT
  iio: adc: max1027: unlock on error path in max1027_read_single_value()
  iio: proximity: sx9324: add empty line in front of bullet list
  iio: magnetometer: hmc5843: Remove duplicate 'the'
  iio: magn: yas530: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr() macros
  iio: magnetometer: ak8974: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr() macros
  iio: light: veml6030: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr() macros
  iio: light: vcnl4035: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr() macros
  iio: light: vcnl4000: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr() macros
  iio: light: tsl2591: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr()
  iio: light: tsl2583: Use DEFINE_RUNTIME_DEV_PM_OPS and pm_ptr()
  iio: light: isl29028: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr()
  iio: light: gp2ap002: Switch to DEFINE_RUNTIME_DEV_PM_OPS and pm_ptr()
  ...

3 files changed, 36 insertions, 22 deletions

diff --git a/include/linux/iio/common/cros_ec_sensors_core.h b/include/linux/iio/common/cros_ec_sensors_core.h
index c582e1a14232..e72167b96d27 100644
--- a/include/linux/iio/common/cros_ec_sensors_core.h
+++ b/include/linux/iio/common/cros_ec_sensors_core.h
@@ -41,7 +41,6 @@ typedef irqreturn_t (*cros_ec_sensors_capture_t)(int irq, void *p);
  * @param:			motion sensor parameters structure
  * @resp:			motion sensor response structure
  * @type:			type of motion sensor
- * @loc:			location where the motion sensor is placed
  * @range_updated:		True if the range of the sensor has been
  *				updated.
  * @curr_range:			If updated, the current range value.
@@ -67,7 +66,6 @@ struct cros_ec_sensors_core_state {
 	struct ec_response_motion_sense *resp;
 
 	enum motionsensor_type type;
-	enum motionsensor_location loc;
 
 	bool range_updated;
 	int curr_range;
@@ -95,8 +93,11 @@ int cros_ec_sensors_read_cmd(struct iio_dev *indio_dev, unsigned long scan_mask,
 struct platform_device;
 int cros_ec_sensors_core_init(struct platform_device *pdev,
 			      struct iio_dev *indio_dev, bool physical_device,
-			      cros_ec_sensors_capture_t trigger_capture,
-			      cros_ec_sensorhub_push_data_cb_t push_data);
+			      cros_ec_sensors_capture_t trigger_capture);
+
+int cros_ec_sensors_core_register(struct device *dev,
+				  struct iio_dev *indio_dev,
+				  cros_ec_sensorhub_push_data_cb_t push_data);
 
 irqreturn_t cros_ec_sensors_capture(int irq, void *p);
 int cros_ec_sensors_push_data(struct iio_dev *indio_dev,
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index 233d2e6b7721..5dfbfc991c69 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -9,14 +9,16 @@
 
 #include <linux/device.h>
 #include <linux/cdev.h>
+#include <linux/slab.h>
 #include <linux/iio/types.h>
-#include <linux/of.h>
 /* IIO TODO LIST */
 /*
  * Provide means of adjusting timer accuracy.
  * Currently assumes nano seconds.
  */
 
+struct of_phandle_args;
+
 enum iio_shared_by {
 	IIO_SEPARATE,
 	IIO_SHARED_BY_TYPE,
@@ -313,7 +315,6 @@ static inline bool iio_channel_has_available(const struct iio_chan_spec *chan,
 }
 
 s64 iio_get_time_ns(const struct iio_dev *indio_dev);
-unsigned int iio_get_time_res(const struct iio_dev *indio_dev);
 
 /*
  * Device operating modes
@@ -709,8 +710,13 @@ static inline void *iio_device_get_drvdata(const struct iio_dev *indio_dev)
 	return dev_get_drvdata(&indio_dev->dev);
 }
 
-/* Can we make this smaller? */
-#define IIO_ALIGN L1_CACHE_BYTES
+/*
+ * Used to ensure the iio_priv() structure is aligned to allow that structure
+ * to in turn include IIO_DMA_MINALIGN'd elements such as buffers which
+ * must not share  cachelines with the rest of the structure, thus making
+ * them safe for use with non-coherent DMA.
+ */
+#define IIO_DMA_MINALIGN ARCH_KMALLOC_MINALIGN
 struct iio_dev *iio_device_alloc(struct device *parent, int sizeof_priv);
 
 /* The information at the returned address is guaranteed to be cacheline aligned */
@@ -721,10 +727,13 @@ static inline void *iio_priv(const struct iio_dev *indio_dev)
 
 void iio_device_free(struct iio_dev *indio_dev);
 struct iio_dev *devm_iio_device_alloc(struct device *parent, int sizeof_priv);
-__printf(2, 3)
-struct iio_trigger *devm_iio_trigger_alloc(struct device *parent,
-					   const char *fmt, ...);
 
+#define devm_iio_trigger_alloc(parent, fmt, ...) \
+	__devm_iio_trigger_alloc((parent), THIS_MODULE, (fmt), ##__VA_ARGS__)
+__printf(3, 4)
+struct iio_trigger *__devm_iio_trigger_alloc(struct device *parent,
+					     struct module *this_mod,
+					     const char *fmt, ...);
 /**
  * iio_get_debugfs_dentry() - helper function to get the debugfs_dentry
  * @indio_dev:		IIO device structure for device
diff --git a/include/linux/iio/trigger.h b/include/linux/iio/trigger.h
index 4c69b144677b..f6360d9a492d 100644
--- a/include/linux/iio/trigger.h
+++ b/include/linux/iio/trigger.h
@@ -93,6 +93,11 @@ static inline void iio_trigger_put(struct iio_trigger *trig)
 static inline struct iio_trigger *iio_trigger_get(struct iio_trigger *trig)
 {
 	get_device(&trig->dev);
+
+	WARN_ONCE(list_empty(&trig->list),
+		  "Getting non-registered iio trigger %s is prohibited\n",
+		  trig->name);
+
 	__module_get(trig->owner);
 
 	return trig;
@@ -126,16 +131,10 @@ static inline void *iio_trigger_get_drvdata(struct iio_trigger *trig)
  * iio_trigger_register() - register a trigger with the IIO core
  * @trig_info:	trigger to be registered
  **/
-#define iio_trigger_register(trig_info) \
-	__iio_trigger_register((trig_info), THIS_MODULE)
-int __iio_trigger_register(struct iio_trigger *trig_info,
-			   struct module *this_mod);
+int iio_trigger_register(struct iio_trigger *trig_info);
 
-#define devm_iio_trigger_register(dev, trig_info) \
-	__devm_iio_trigger_register((dev), (trig_info), THIS_MODULE)
-int __devm_iio_trigger_register(struct device *dev,
-				struct iio_trigger *trig_info,
-				struct module *this_mod);
+int devm_iio_trigger_register(struct device *dev,
+			      struct iio_trigger *trig_info);
 
 /**
  * iio_trigger_unregister() - unregister a trigger from the core
@@ -163,8 +162,13 @@ void iio_trigger_poll_chained(struct iio_trigger *trig);
 
 irqreturn_t iio_trigger_generic_data_rdy_poll(int irq, void *private);
 
-__printf(2, 3)
-struct iio_trigger *iio_trigger_alloc(struct device *parent, const char *fmt, ...);
+#define iio_trigger_alloc(parent, fmt, ...) \
+	__iio_trigger_alloc((parent), THIS_MODULE, (fmt), ##__VA_ARGS__)
+
+__printf(3, 4)
+struct iio_trigger *__iio_trigger_alloc(struct device *parent,
+					struct module *this_mod,
+					const char *fmt, ...);
 void iio_trigger_free(struct iio_trigger *trig);
 
 /**