On Mon, Jul 2, 2018 at 5:10 PM, Mikko Perttunen <mperttunen@xxxxxxxxxx> wrote:
> Add a new TXDONE option, TXDONE_BY_BLOCK. With this option, the
> send_data function of the mailbox driver is expected to block until
> the message has been sent. The new option is used with the Tegra
> Combined UART driver to minimize unnecessary overhead when transmitting
> data.
>
1) TXDONE_BY_BLOCK flag :-
Have you tried setting the flag mbox_chan->mbox_client->tx_block ?
2) Implementing TEGRA_HSP_MBOX_TYPE_SM :-
In mailbox framework, a controller is a collection of identical
channels. That is, instances of the same class.
So ideally, in probe you should populate a controller for each
type of channel, i.e, DB, SM, SS and AS.
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