Re: [PATCH v5 0/3] soc: ti: k3: Allow for exclusive and shared device requests

[Lokesh Vutla <lokeshvutla@ti.com>]

On 29/07/19 5:54 PM, Lokesh Vutla wrote:
> Sysfw provides an option for requesting exclusive access for a
> device using the flags MSG_FLAG_DEVICE_EXCLUSIVE. If this flag is
> not used, the device is meant to be shared across hosts. Once a device
> is requested from a host with this flag set, any request to this
> device from a different host will be nacked by sysfw.
> 
> Current tisci firmware and pm drivers always requests for device with
> exclusive permissions set. But this is not be true for certain devices
> that are expcted to be shared across different host contexts.
> So add support for getting the shared or exclusive permissions from DT
> and request firmware accordingly.

Gentle Ping on this series.

Thanks and regards,
Lokesh

> 
> Changes since v4: https://patchwork.kernel.org/project/linux-arm-kernel/list/?series=148371
> - Split the driver and arch changes into a separate series.
> - Added Reviewed-by from Nishanth M
> - Rebased on top of v5.3-rc2
> 
> Lokesh Vutla (3):
>   firmware: ti_sci: Allow for device shared and exclusive requests
>   dt-bindings: ti_sci_pm_domains: Add support for exclusive and shared
>     access
>   soc: ti: ti_sci_pm_domains: Add support for exclusive and shared
>     access
> 
>  .../bindings/soc/ti/sci-pm-domain.txt         | 11 ++++-
>  MAINTAINERS                                   |  1 +
>  drivers/firmware/ti_sci.c                     | 45 ++++++++++++++++++-
>  drivers/soc/ti/ti_sci_pm_domains.c            | 23 +++++++++-
>  include/dt-bindings/soc/ti,sci_pm_domain.h    |  9 ++++
>  include/linux/soc/ti/ti_sci_protocol.h        |  3 ++
>  6 files changed, 86 insertions(+), 6 deletions(-)
>  create mode 100644 include/dt-bindings/soc/ti,sci_pm_domain.h
>