From: Sinan Kaya <okaya@kernel.org>
To: Bjorn Helgaas <helgaas@kernel.org>,
"Spassov, Stanislav" <stanspas@amazon.de>
Cc: "corbet@lwn.net" <corbet@lwn.net>,
"alex.williamson@redhat.com" <alex.williamson@redhat.com>,
"ashok.raj@intel.com" <ashok.raj@intel.com>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"Wang, Wei" <wawei@amazon.de>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"Schoenherr, Jan H." <jschoenh@amazon.de>,
"rajatja@google.com" <rajatja@google.com>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>
Subject: Re: [PATCH 1/3] PCI: Make PCIE_RESET_READY_POLL_MS configurable
Date: Thu, 27 Feb 2020 18:44:56 -0500 [thread overview]
Message-ID: <e162efcd-70fd-3390-2452-4915af1c9171@kernel.org> (raw)
In-Reply-To: <20200227214534.GA143139@google.com>
On 2/27/2020 4:45 PM, Bjorn Helgaas wrote:
> The 60 second timeout came from 821cdad5c46c ("PCI: Wait up to 60
> seconds for device to become ready after FLR") and is probably too
> long. We probably should pick a smaller value based on numbers from
> the spec and make quirks for devices that needed more time.
If I remember right, there was no time mention about how long to
wait. Spec says device should send CRS as long as it is not ready.
next prev parent reply other threads:[~2020-02-27 23:45 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-23 12:20 [PATCH 0/3] Improve PCI device post-reset readiness polling Stanislav Spassov
2020-02-23 12:20 ` [PATCH 1/3] PCI: Make PCIE_RESET_READY_POLL_MS configurable Stanislav Spassov
2020-02-24 14:15 ` Bjorn Helgaas
2020-02-24 17:52 ` Spassov, Stanislav
2020-02-27 21:45 ` Bjorn Helgaas
2020-02-27 23:44 ` Sinan Kaya [this message]
2020-02-28 2:18 ` Raj, Ashok
2020-03-02 16:39 ` Sinan Kaya
2020-03-02 17:37 ` Raj, Ashok
2020-03-02 18:30 ` Sinan Kaya
2020-02-23 12:20 ` [PATCH 2/3] PCI: Introduce per-device reset_ready_poll override Stanislav Spassov
2020-02-24 14:34 ` Bjorn Helgaas
2020-02-24 18:05 ` Spassov, Stanislav
2020-02-23 12:20 ` [PATCH 3/3] PCI: Add CRS handling to pci_dev_wait() Stanislav Spassov
2020-02-24 20:41 ` Bjorn Helgaas
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