From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Bjorn Helgaas <helgaas@kernel.org>,
"David E. Box" <david.e.box@linux.intel.com>,
shyjumon.n@intel.com, "Rafael J. Wysocki" <rjw@rjwysocki.net>,
Len Brown <lenb@kernel.org>, Bjorn Helgaas <bhelgaas@google.com>,
Dan Williams <dan.j.williams@intel.com>,
Keith Busch <kbusch@kernel.org>, Jens Axboe <axboe@fb.com>,
Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
linux-nvme <linux-nvme@lists.infradead.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux PCI <linux-pci@vger.kernel.org>
Subject: Re: [PATCH V2 1/2] PCI: Add ACPI StorageD3Enable _DSD support
Date: Thu, 25 Jun 2020 15:16:19 +0300 [thread overview]
Message-ID: <20200625121619.GG2795@lahna.fi.intel.com> (raw)
In-Reply-To: <CAJZ5v0i8dCN=HMFk_+ZX-Wr73P6kdQBtV0i3FtrZrO9cegXsvQ@mail.gmail.com>
On Thu, Jun 25, 2020 at 01:30:53PM +0200, Rafael J. Wysocki wrote:
> It is not necessary to call acpi_pci_find_companion() from
> pci_acpi_storage_d3() as long as that function is required to be
> called by the target device's driver probe or later.
>
> Ths acpi_pci_bridge_d3() case is different, though, AFAICS, because it
> is invoked in the pci_pm_init() path, via pci_bridge_d3_possible(),
> and that gets called from pci_device_add() *before* calling
> device_add().
>
> Mika, is that why acpi_pci_find_companion() gets callled from
> acpi_pci_bridge_d3()?
Yes, that's correct.
next prev parent reply other threads:[~2020-06-25 12:16 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-28 0:32 [PATCH 0/2] Add support for StorageD3Enable _DSD property David E. Box
2020-04-28 0:32 ` [PATCH 1/2] pci: Add ACPI StorageD3Enable _DSD support David E. Box
2020-05-18 12:34 ` Rafael J. Wysocki
2020-05-19 17:10 ` David E. Box
2020-04-28 0:32 ` [PATCH 2/2] drivers/nvme: Add support for ACPI StorageD3Enable property David E. Box
2020-04-28 5:13 ` [PATCH 0/2] Add support for StorageD3Enable _DSD property Christoph Hellwig
2020-04-28 14:09 ` David E. Box
2020-04-28 14:22 ` Christoph Hellwig
2020-04-28 15:27 ` David E. Box
2020-04-29 5:20 ` Williams, Dan J
2020-04-29 15:10 ` Keith Busch
2020-04-29 16:11 ` David E. Box
2020-05-01 13:12 ` hch
2020-05-01 15:54 ` David E. Box
2020-05-01 13:10 ` hch
2020-05-18 13:51 ` David Woodhouse
2020-05-18 17:20 ` Dan Williams
2020-06-12 20:48 ` [PATCH V2 0/2] nvme: Add support for ACPI StorageD3Enable property David E. Box
2020-06-24 18:55 ` David E. Box
2020-06-24 19:10 ` Dan Williams
2020-06-24 19:39 ` David E. Box
2020-07-02 21:04 ` [PATCH v3] drivers/nvme: " David E. Box
2020-07-02 22:50 ` [PATCH v4] " David E. Box
2020-07-03 7:18 ` kernel test robot
2020-07-06 14:57 ` Rafael J. Wysocki
2020-07-07 21:24 ` David E. Box
2020-07-07 7:09 ` Christoph Hellwig
2020-07-09 18:43 ` [PATCH V5] " David E. Box
2020-07-13 11:12 ` Rafael J. Wysocki
2020-07-16 14:39 ` Christoph Hellwig
2021-05-26 19:25 ` Raul E Rangel
2020-06-12 20:48 ` [PATCH V2 1/2] PCI: Add ACPI StorageD3Enable _DSD support David E. Box
2020-06-24 21:15 ` Bjorn Helgaas
2020-06-25 11:30 ` Rafael J. Wysocki
2020-06-25 12:16 ` Mika Westerberg [this message]
2020-06-25 17:07 ` David E. Box
2020-06-25 17:30 ` Bjorn Helgaas
2020-06-24 21:37 ` Bjorn Helgaas
2020-06-24 22:09 ` David E. Box
2020-06-12 20:48 ` [PATCH V2 2/2] drivers/nvme: Add support for ACPI StorageD3Enable property David E. Box
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