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[RFC,6/6] iio: core: mark scan_timestamp as __private

Message ID 20241130002710.18615-7-vassilisamir@gmail.com (mailing list archive)
State New
Headers show
Series iio: mark scan_timestamp __private | expand

Commit Message

Vasileios Amoiridis Nov. 30, 2024, 12:27 a.m. UTC 
Since there are no more direct accesses to the indio_dev->scan_timestamp
value, it can be marked as __private and use the macro ACCESS_PRIVATE()
in order to access it. Like this, static checkers will be able to inform
in case someone tries to either write to the value, or read its value
directly.

Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
---
 drivers/iio/industrialio-buffer.c | 2 +-
 include/linux/iio/iio.h           | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index 8104696cd475..c332741f3cf4 100644
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -1137,7 +1137,7 @@  static int iio_enable_buffers(struct iio_dev *indio_dev,
 	int ret;
 
 	indio_dev->active_scan_mask = config->scan_mask;
-	indio_dev->scan_timestamp = config->scan_timestamp;
+	ACCESS_PRIVATE(indio_dev, scan_timestamp) = config->scan_timestamp;
 	indio_dev->scan_bytes = config->scan_bytes;
 	iio_dev_opaque->currentmode = config->mode;
 
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index 5661794d1127..669b4ef1280d 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -611,7 +611,7 @@  struct iio_dev {
 	const unsigned long		*available_scan_masks;
 	unsigned int			__private masklength;
 	const unsigned long		*active_scan_mask;
-	bool				scan_timestamp;
+	bool				__private scan_timestamp;
 	struct iio_trigger		*trig;
 	struct iio_poll_func		*pollfunc;
 	struct iio_poll_func		*pollfunc_event;
@@ -908,7 +908,7 @@  int iio_active_scan_mask_index(struct iio_dev *indio_dev);
  */
 static inline bool iio_is_soft_ts_enabled(const struct iio_dev *indio_dev)
 {
-	return indio_dev->scan_timestamp;
+	return ACCESS_PRIVATE(indio_dev, scan_timestamp);
 }
 
 ssize_t iio_format_value(char *buf, unsigned int type, int size, int *vals);