Hi Tony, On 08/05/2015 05:28 AM, Tony Lindgren wrote: > * Dave Gerlach <d-gerlach@xxxxxx> [150717 13:59]: >> --- a/Documentation/devicetree/bindings/mailbox/omap-mailbox.txt >> +++ b/Documentation/devicetree/bindings/mailbox/omap-mailbox.txt >> @@ -75,6 +75,14 @@ data that represent the following: >> Cell #3 (usr_id) - mailbox user id for identifying the interrupt line >> associated with generating a tx/rx fifo interrupt. >> >> +Optional Properties: >> +-------------------- >> +- ti,mbox-send-noirq: Quirk flag to allow the client user of this sub-mailbox >> + to send messages without triggering a Tx ready interrupt, >> + and to control the Tx ticker. Should be used only on >> + sub-mailboxes used to communicate with WkupM3 remote >> + processor on AM33xx/AM43xx SoCs. >> + > > Hmm can't you do this just by setting a flag in the device driver > based on the compatible string? We can't because there can be other users like PRUSS which will use a sub-mailbox in a regular fashion. The compatible serves the IP and there can be multiple sub-mailboxes underneath it, and this quirk is needed only on the one that's used by the WkupM3. Jassi, Do you have any comments on this? regards Suman -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
