Hi Rob, Tero, On 10/04/19 11:07 AM, 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. > If there are no comments on this series, can this be merged? Thanks and regards, Lokesh > Changes since v2: > - Added macros for new power-domain cell > - Rebased on top of v5.1-rc4 > - Updated commit messages. > > Lokesh Vutla (5): > 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 > soc: ti: ti_sci_pm_domains: Switch to SPDX Licensing > arm64: dts: ti: k3-am654: Update the power domain cells > > .../bindings/soc/ti/sci-pm-domain.txt | 11 ++++- > MAINTAINERS | 1 + > arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 32 ++++++------- > arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi | 10 ++--- > arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi | 6 +-- > arch/arm64/boot/dts/ti/k3-am65.dtsi | 1 + > drivers/firmware/ti_sci.c | 45 ++++++++++++++++++- > drivers/soc/ti/ti_sci_pm_domains.c | 33 +++++++++----- > include/dt-bindings/soc/ti,sci_pm_domain.h | 9 ++++ > include/linux/soc/ti/ti_sci_protocol.h | 3 ++ > 10 files changed, 112 insertions(+), 39 deletions(-) > create mode 100644 include/dt-bindings/soc/ti,sci_pm_domain.h >
