When user closes the tracer, some logs may still remain in the tail of
the buffer as firmware sends LOG_BUFFER_STATUS notification only when
certain threshold of data is reached. Add whatever is left to already
gathered logs so no information is lost.
Signed-off-by: Cezary Rojewski <cezary.rojewski@xxxxxxxxx>
---
sound/soc/intel/avs/debugfs.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/sound/soc/intel/avs/debugfs.c b/sound/soc/intel/avs/debugfs.c
index 678572ee6b9d..e7b0b99824aa 100644
--- a/sound/soc/intel/avs/debugfs.c
+++ b/sound/soc/intel/avs/debugfs.c
@@ -201,11 +201,25 @@ static int strace_open(struct inode *inode, struct file *file)
static int strace_release(struct inode *inode, struct file *file)
{
+ union avs_notify_msg msg = AVS_NOTIFICATION(LOG_BUFFER_STATUS);
struct avs_dev *adev = file->private_data;
- unsigned long flags;
+ unsigned long resource_mask;
+ unsigned long flags, i;
+ u32 num_cores;
+
+ resource_mask = adev->logged_resources;
+ num_cores = adev->hw_cfg.dsp_cores;
spin_lock_irqsave(&adev->trace_lock, flags);
+
+ /* Gather any remaining logs. */
+ for_each_set_bit(i, &resource_mask, num_cores) {
+ msg.log.core = i;
+ avs_dsp_op(adev, log_buffer_status, &msg);
+ }
+
kfifo_free(&adev->trace_fifo);
+
spin_unlock_irqrestore(&adev->trace_lock, flags);
return 0;
--
2.25.1
