Linux PCI subsystem development
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From: Markus Elfring <Markus.Elfring@web.de>
To: Feng Tang <feng.tang@linux.alibaba.com>,
	linux-pci@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>,
	Guanghui Feng <guanghuifeng@linux.alibaba.com>,
	Liguang Zhang <zhangliguang@linux.alibaba.com>,
	Lukas Wunner <lukas@wunner.de>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Sathyanarayanan Kuppuswamy
	<sathyanarayanan.kuppuswamy@linux.intel.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
	"Jonathan Cameron" <Jonathan.Cameron@huawei.com>
Subject: Re: [PATCH v2 1/2] PCI/portdrv: Add necessary wait for disabling hotplug events
Date: Tue, 18 Feb 2025 10:00:33 +0100	[thread overview]
Message-ID: <a7ebd733-3fdd-4163-8fd4-9f70ee40c6be@web.de> (raw)
In-Reply-To: <20250218034859.40397-1-feng.tang@linux.alibaba.com>

> There was problem reported by firmware developers that they received
> 2 pcie link control commands in very short intervals on an ARM server,
> which doesn't comply with pcie spec, and broke their state machine and
> work flow. According to PCIe 6.1 spec, section 6.7.3.2, software needs

Would you like to use key words in consistent ways also in such a change description?


> to wait at least 1 second for the command-complete event, before
> resending the cmd or …

                command?

…
> ---
> Changlog:
>
>   since v1:
…

Are cover letters generally desirable for patch series?

Regards,
Markus

  parent reply	other threads:[~2025-02-18  9:01 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-18  3:48 [PATCH v2 1/2] PCI/portdrv: Add necessary wait for disabling hotplug events Feng Tang
2025-02-18  3:48 ` [PATCH v2 2/2] PCI: Disable PCIE hotplug interrupts early when msi is disabled Feng Tang
2025-02-18  9:00 ` Markus Elfring [this message]
2025-02-19  2:19   ` [PATCH v2 1/2] PCI/portdrv: Add necessary wait for disabling hotplug events Feng Tang
2025-02-18 18:58 ` Sathyanarayanan Kuppuswamy
2025-02-19  6:53   ` Feng Tang
2025-02-18 22:33 ` Bjorn Helgaas
2025-02-19  2:53   ` Feng Tang
2025-02-19 11:12     ` Feng Tang
2025-02-19  5:57 ` kernel test robot

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