-----Original Message-----
From: Jassi Brar [mailto:jassisinghbrar@gmail.com]

[...]

quoted

+
+static void imx_mu_txdb_work(struct work_struct *work) {
+       struct imx_mu_con_priv *cp =
+                       container_of(work, struct imx_mu_con_priv, work);
+       mbox_chan_txdone(cp->chan, 0); }

The api assumes a controller have same type of channels. So we are having
to do this here.
I am not sure, but would declaring two mailbox controllers (one with
doorbells and the other data channels) work?
If not, at least we could use a tasklet instead of a work queue?

I'm also a bit curious what the meaning of calling mbox_chan_txdone
for a doorbell mailbox?

Is there any recommended way to use it?

Regards
Dong Aisheng