From: Lokesh Vutla <lokeshvutla@ti.com>
To: Nishanth Menon <nm@ti.com>, Tero Kristo <t-kristo@ti.com>,
Santosh Shilimkar <ssantosh@kernel.org>,
Rob Herring <robh+dt@kernel.org>
Cc: Device Tree Mailing List <devicetree@vger.kernel.org>,
Sekhar Nori <nsekhar@ti.com>,
Linux ARM Mailing List <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v3 0/5] soc: ti: k3-am654: Allow for exclusive and shared device requests
Date: Wed, 29 May 2019 14:28:46 +0530 [thread overview]
Message-ID: <3f8e15a0-af8f-c91c-5401-826460726a7d@ti.com> (raw)
In-Reply-To: <20190410053728.17374-1-lokeshvutla@ti.com>
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
>
prev parent reply other threads:[~2019-05-29 8:58 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-10 5:37 [PATCH v3 0/5] soc: ti: k3-am654: Allow for exclusive and shared device requests Lokesh Vutla
2019-04-10 5:37 ` [PATCH v3 1/5] firmware: ti_sci: Allow for device shared and exclusive requests Lokesh Vutla
2019-04-10 5:37 ` [PATCH v3 2/5] dt-bindings: ti_sci_pm_domains: Add support for exclusive and shared access Lokesh Vutla
2019-04-10 8:04 ` Tero Kristo
2019-04-10 12:37 ` Lokesh Vutla
2019-04-10 12:49 ` Tero Kristo
2019-04-10 13:15 ` Lokesh Vutla
2019-04-10 15:38 ` Tero Kristo
2019-04-11 14:34 ` Tony Lindgren
2019-05-02 9:24 ` Tero Kristo
2019-06-11 12:34 ` Tero Kristo
2019-06-13 22:22 ` Rob Herring
2019-04-10 5:37 ` [PATCH v3 3/5] soc: ti: " Lokesh Vutla
2019-06-05 5:44 ` Lokesh Vutla
2019-04-10 5:37 ` [PATCH v3 4/5] soc: ti: ti_sci_pm_domains: Switch to SPDX Licensing Lokesh Vutla
2019-04-10 5:37 ` [PATCH v3 5/5] arm64: dts: ti: k3-am654: Update the power domain cells Lokesh Vutla
2019-05-29 8:58 ` Lokesh Vutla [this message]
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