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iio: Replace printk in __iio_update_buffers with dev_dbg
While more verbose error messages are useful for debugging we should really not put those error messages into the kernel log for normal errors that are already reported to the application via the error code, when running in non-debug mode. Otherwise application authors might expect that this is part of the ABI and to get the error they should scan the kernel log. Which would be rather error prone itself since there is no direct mapping between a operation and the error message so it is impossible to find out which error message belongs to which error. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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parent
b87b0c0f81
commit
63223c5f5c
1 changed files with 7 additions and 5 deletions
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@ -663,7 +663,7 @@ static int __iio_update_buffers(struct iio_dev *indio_dev,
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if (indio_dev->setup_ops->preenable) {
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ret = indio_dev->setup_ops->preenable(indio_dev);
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if (ret) {
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printk(KERN_ERR
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dev_dbg(&indio_dev->dev,
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"Buffer not started: buffer preenable failed (%d)\n", ret);
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goto error_remove_inserted;
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}
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@ -677,7 +677,7 @@ static int __iio_update_buffers(struct iio_dev *indio_dev,
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if (buffer->access->request_update) {
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ret = buffer->access->request_update(buffer);
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if (ret) {
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printk(KERN_INFO
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dev_dbg(&indio_dev->dev,
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"Buffer not started: buffer parameter update failed (%d)\n", ret);
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goto error_run_postdisable;
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}
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@ -688,7 +688,9 @@ static int __iio_update_buffers(struct iio_dev *indio_dev,
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->update_scan_mode(indio_dev,
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indio_dev->active_scan_mask);
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if (ret < 0) {
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printk(KERN_INFO "Buffer not started: update scan mode failed (%d)\n", ret);
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dev_dbg(&indio_dev->dev,
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"Buffer not started: update scan mode failed (%d)\n",
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ret);
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goto error_run_postdisable;
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}
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}
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@ -702,7 +704,7 @@ static int __iio_update_buffers(struct iio_dev *indio_dev,
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} else { /* Should never be reached */
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/* Can only occur on first buffer */
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if (indio_dev->modes & INDIO_BUFFER_TRIGGERED)
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pr_info("Buffer not started: no trigger\n");
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dev_dbg(&indio_dev->dev, "Buffer not started: no trigger\n");
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ret = -EINVAL;
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goto error_run_postdisable;
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}
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@ -710,7 +712,7 @@ static int __iio_update_buffers(struct iio_dev *indio_dev,
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if (indio_dev->setup_ops->postenable) {
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ret = indio_dev->setup_ops->postenable(indio_dev);
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if (ret) {
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printk(KERN_INFO
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dev_dbg(&indio_dev->dev,
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"Buffer not started: postenable failed (%d)\n", ret);
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indio_dev->currentmode = INDIO_DIRECT_MODE;
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if (indio_dev->setup_ops->postdisable)
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