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 This patch series depends on multimode support series: [1] https://lore.kernel.org/all/1698308282-8648-1-git-send-email-quic_ekangupt@xxxxxxxxxxx/ Ekansh Gupta (4): 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 drivers/misc/fastrpc.c | 464 ++++++++++++++++++++++++++++++++++++++++++-- include/uapi/misc/fastrpc.h | 8 + 2 files changed, 457 insertions(+), 15 deletions(-) -- 2.7.4
