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SubjectRe: [PATCH v2 0/5] K3 R5F & DSP IPC-only mode support
Hi Suman,

I have added your patchset to my review list. Unfortunately due to an
impressive backlog and upcoming vacation won't be able provide
feedback for a few weeks.

Thanks,
Mathieu

On Fri, 23 Jul 2021 at 16:03, Suman Anna <s-anna@ti.com> wrote:
>
> Hi All,
>
> The following is a revised version of the series that adds the IPC-only
> mode support for the TI K3 R5F and DSP (C66x and C71x) remoteprocs
> covering AM65x, J721E, J7200 and AM64x SoCs. Patches are on top of
> 5.14-rc1 (the other dependent patches from v1 made it into 5.14-rc1).
>
> Please see the v1 cover-letter [1] for the design details of the
> 'IPC-only' mode functionality.
>
> The following are the main changes from v1, please see the individual
> patches for the exact deltas:
> - The first patch in v1 "remoteproc: Introduce rproc_detach_device()
> wrapper" is dropped
> - Removed the addition of the rproc state flag 'detach_on_shutdown'
> and the 'ipc-only' state flag in each of the remoteproc drivers
> - IPC-only mode and remoteproc mode are supported by registering only
> the appropriate rproc ops.
>
> The following is a summary of patches in v2:
> - Patch 1 enhances the remoteproc core to restrict stop on early-booted
> remoteprocs.
> - Patches 2 and 4 refactor the mailbox request code out of start
> in the K3 R5F and DSP remoteproc drivers for reuse in the new attach
> callbacks.
> - Patch 3 adds the IPC-only mode support for R5F.
> - Patch 5 adds the IPC-only mode support for both K3 C66x and C71x
> DSPs.
>
> I have re-verified the different combinations on J721E, J7200 and AM65x
> SoCs. AM64x currently lacks early-boot support, but the logic is ready
> for Single-CPU and Split modes that are specific to AM64x SoCs.
>
> regards
> Suman
>
> [1] https://patchwork.kernel.org/project/linux-remoteproc/cover/20210522000309.26134-1-s-anna@ti.com/
>
> Suman Anna (5):
> remoteproc: Add support for detach-only during shutdown
> remoteproc: k3-r5: Refactor mbox request code in start
> remoteproc: k3-r5: Add support for IPC-only mode for all R5Fs
> remoteproc: k3-dsp: Refactor mbox request code in start
> remoteproc: k3-dsp: Add support for IPC-only mode for all K3 DSPs
>
> drivers/remoteproc/remoteproc_cdev.c | 7 +
> drivers/remoteproc/remoteproc_core.c | 5 +-
> drivers/remoteproc/remoteproc_sysfs.c | 6 +
> drivers/remoteproc/ti_k3_dsp_remoteproc.c | 197 ++++++++++++----
> drivers/remoteproc/ti_k3_r5_remoteproc.c | 265 +++++++++++++++++++---
> 5 files changed, 407 insertions(+), 73 deletions(-)
>
> --
> 2.32.0
>

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