@@ -54,6 +54,21 @@ struct sst_block *sst_create_block(struct intel_sst_drv *ctx,
return msg;
}
+/*
+ * while handling the interrupts, we need to check for message status and
+ * then if we are blocking for a message
+ *
+ * here we are unblocking the blocked ones, this is based on id we have
+ * passed and search that for block threads.
+ * We will not find block in two cases
+ * a) when its small message and block in not there, so silently ignore
+ * them
+ * b) when we are actually not able to find the block (bug perhaps)
+ *
+ * Since we have bit of small messages we can spam kernel log with err
+ * print on above so need to keep as debug prints which should be enabled
+ * via dynamic debug while debugging IPC issues
+ */
int sst_wake_up_block(struct intel_sst_drv *ctx, int result,
u32 drv_id, u32 ipc, void *data, u32 size)
{
The IPC blocking can be error when we don't find block or a short message, explain that by adding a comment about this scenario Signed-off-by: Vinod Koul <vinod.koul@intel.com> --- sound/soc/intel/sst/sst_ipc.c | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-)