This patch series adds the listed features that have been missing in upstream fastRPC driver. - Add early wakeup support to allow DSP user to send early response to CPU and improve fastrpc performance. - Add polling mode support with which driver polls on memory to avoid CPU from going to low power modes. - Add notifications frameworks to provide users with the DSP PD status notifications. - Add a control mechanism to allow users to clean up DSP user PD - Add wakelock management support This patch series depends on multimode support series: [1] https://lore.kernel.org/all/20231121094844.5764-1-quic_ekangupt@xxxxxxxxxxx/ Ekansh Gupta (5): misc: fastrpc: Add early wakeup support for fastRPC driver misc: fastrpc: Add polling mode support for fastRPC driver misc: fastrpc: Add DSP PD notification support misc: fastrpc: Add support for users to clean up DSP user PD misc: fastrpc: Add wakelock management support drivers/misc/fastrpc.c | 568 +++++++++++++++++++++++++++++++++++- include/uapi/misc/fastrpc.h | 8 + 2 files changed, 562 insertions(+), 14 deletions(-) -- 2.17.1