Hi, This series adds doorbell support to ARM MHU mailbox controller driver. Since we need to callback the different client based on the doorbel bits triggered from the remote, we can manage with single channel for the set of 32 doorbells. Regards, Sudeep v1->v2: - Removed the notion od subchannels - Treat each bit in the MHU register as a doorbell and hence different channel with respect to mailbox framework v1: https://www.spinics.net/lists/kernel/msg2500461.html Sudeep Holla (6): mailbox: arm_mhu: reorder header inclusion and drop unneeded ones Documentation: devicetree: add bindings to support ARM MHU doorbells mailbox: arm_mhu: migrate to threaded irq handler mailbox: arm_mhu: re-factor data structure to add doorbell support mailbox: arm_mhu: add full support for the doorbells mailbox: arm_mhu: add support to read and record mbox-name .../devicetree/bindings/mailbox/arm-mhu.txt | 46 ++- drivers/mailbox/arm_mhu.c | 386 ++++++++++++++++++--- 2 files changed, 383 insertions(+), 49 deletions(-) -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html