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iio: core: move @flags from struct iio_dev to struct iio_dev_opaque
No reason any driver should ever need access to this field, so hide it. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com> Link: https://lore.kernel.org/r/20210426174911.397061-9-jic23@kernel.org
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396f723485
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8b1c82cb84
3 changed files with 5 additions and 5 deletions
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@ -1720,7 +1720,7 @@ static int iio_chrdev_open(struct inode *inode, struct file *filp)
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struct iio_dev *indio_dev = &iio_dev_opaque->indio_dev;
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struct iio_dev_buffer_pair *ib;
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if (test_and_set_bit(IIO_BUSY_BIT_POS, &indio_dev->flags))
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if (test_and_set_bit(IIO_BUSY_BIT_POS, &iio_dev_opaque->flags))
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return -EBUSY;
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iio_device_get(indio_dev);
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@ -1728,7 +1728,7 @@ static int iio_chrdev_open(struct inode *inode, struct file *filp)
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ib = kmalloc(sizeof(*ib), GFP_KERNEL);
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if (!ib) {
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iio_device_put(indio_dev);
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clear_bit(IIO_BUSY_BIT_POS, &indio_dev->flags);
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clear_bit(IIO_BUSY_BIT_POS, &iio_dev_opaque->flags);
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return -ENOMEM;
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}
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@ -1754,7 +1754,7 @@ static int iio_chrdev_release(struct inode *inode, struct file *filp)
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container_of(inode->i_cdev, struct iio_dev_opaque, chrdev);
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struct iio_dev *indio_dev = &iio_dev_opaque->indio_dev;
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kfree(ib);
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clear_bit(IIO_BUSY_BIT_POS, &indio_dev->flags);
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clear_bit(IIO_BUSY_BIT_POS, &iio_dev_opaque->flags);
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iio_device_put(indio_dev);
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return 0;
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@ -25,6 +25,7 @@
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* @legacy_buffer_group: attribute group for legacy buffer attributes group
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* @scan_index_timestamp: cache of the index to the timestamp
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* @chrdev: associated character device
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* @flags: file ops related flags including busy flag.
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* @debugfs_dentry: device specific debugfs dentry
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* @cached_reg_addr: cached register address for debugfs reads
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* @read_buf: read buffer to be used for the initial reg read
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@ -51,6 +52,7 @@ struct iio_dev_opaque {
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unsigned int scan_index_timestamp;
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struct cdev chrdev;
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unsigned long flags;
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#if defined(CONFIG_DEBUG_FS)
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struct dentry *debugfs_dentry;
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@ -512,7 +512,6 @@ struct iio_buffer_setup_ops {
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* @clock_id: [INTERN] timestamping clock posix identifier
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* @setup_ops: [DRIVER] callbacks to call before and after buffer
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* enable/disable
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* @flags: [INTERN] file ops related flags including busy flag.
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* @priv: [DRIVER] reference to driver's private information
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* **MUST** be accessed **ONLY** via iio_priv() helper
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*/
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@ -542,7 +541,6 @@ struct iio_dev {
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clockid_t clock_id;
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const struct iio_buffer_setup_ops *setup_ops;
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unsigned long flags;
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void *priv;
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};
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