From: Bjorn Helgaas <helgaas@kernel.org>
To: Krishna chaitanya chundru <quic_krichai@quicinc.com>
Cc: "Manivannan Sadhasivam" <manivannan.sadhasivam@linaro.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Kishon Vijay Abraham I" <kishon@kernel.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Jonathan Corbet" <corbet@lwn.net>,
"Jingoo Han" <jingoohan1@gmail.com>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Rob Herring" <robh@kernel.org>,
linux-pci@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
mhi@lists.linux.dev, quic_vbadigan@quicinc.com,
quic_ramkri@quicinc.com, quic_nitegupt@quicinc.com,
quic_skananth@quicinc.com, quic_parass@quicinc.com
Subject: Re: [PATCH v6 4/5] PCI: epf-mhi: Add wakeup host op
Date: Thu, 11 Jul 2024 11:56:23 -0500 [thread overview]
Message-ID: <20240711165623.GA287126@bhelgaas> (raw)
In-Reply-To: <20240710-wakeup_host-v6-4-ef00f31ea38d@quicinc.com>
On Wed, Jul 10, 2024 at 04:46:11PM +0530, Krishna chaitanya chundru wrote:
> Add wakeup host op for MHI EPF.
> If the D-state is in D3cold toggle wake signal, otherwise send PME.
Feels racy. Maybe it doesn't matter? I guess it's unavoidable that
we could be in D3hot, commit to sending PME, and then main power goes
away so we're now in D3cold and the PME is not delivered? Is there a
way to recover from that?
s/D-state is in D3cold/D-state is D3cold/
s/toggle wake/assert WAKE#/
Rewrap into single paragraph or add blank line between.
next prev parent reply other threads:[~2024-07-11 16:56 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-10 11:16 [PATCH v6 0/5] PCI: EPC: Add support to wake up host from D3 states Krishna chaitanya chundru
2024-07-10 11:16 ` [PATCH v6 1/5] PCI: endpoint: Add wakeup host API to EPC core Krishna chaitanya chundru
2024-07-10 12:17 ` Bjorn Helgaas
2024-07-10 11:16 ` [PATCH v6 2/5] PCI: dwc: Add wakeup host op to pci_epc_ops Krishna chaitanya chundru
2024-07-10 11:16 ` [PATCH v6 3/5] PCI: qcom-ep: Add wake up host op to dw_pcie_ep_ops Krishna chaitanya chundru
2024-07-11 17:04 ` Bjorn Helgaas
2024-07-10 11:16 ` [PATCH v6 4/5] PCI: epf-mhi: Add wakeup host op Krishna chaitanya chundru
2024-07-11 16:56 ` Bjorn Helgaas [this message]
2024-07-10 11:16 ` [PATCH v6 5/5] bus: mhi: ep: wake up host if the MHI state is in M3 Krishna chaitanya chundru
2024-07-11 16:47 ` Bjorn Helgaas
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