From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
To: Richard Zhu <hongxing.zhu@nxp.com>,
bhelgaas@google.com, l.stach@pengutronix.de
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org,
kernel@pengutronix.de, linux-kernel@vger.kernel.org,
linux-pci@vger.kernel.org
Subject: Re: [PATCH v2] PCI: imx6: Assert i.MX8MM CLKREQ# even if no device present
Date: Thu, 17 Mar 2022 09:01:18 +0000 [thread overview]
Message-ID: <164750763778.14330.2374977117097314236.b4-ty@arm.com> (raw)
In-Reply-To: <1645672013-8949-1-git-send-email-hongxing.zhu@nxp.com>
On Thu, 24 Feb 2022 11:06:53 +0800, Richard Zhu wrote:
> The CLKREQ# signal is an open drain, active low signal that is driven
> low by the remote Endpoint device. But it might not be driven low if no
> Endpoint device is connected.
>
> On i.MX8MM PCIe, phy_init() may fail and system boot may hang if no
> Endpoint is connected to assert CLKREQ#.
>
> [...]
Applied to pci/imx6, thanks!
[1/1] PCI: imx6: Assert i.MX8MM CLKREQ# even if no device present
https://git.kernel.org/lpieralisi/pci/c/45514f78c6
Thanks,
Lorenzo
prev parent reply other threads:[~2022-03-17 9:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-24 3:06 [PATCH v2] PCI: imx6: Assert i.MX8MM CLKREQ# even if no device present Richard Zhu
2022-03-16 0:13 ` Hongxing Zhu
2022-03-16 9:29 ` Lucas Stach
2022-03-17 9:01 ` Lorenzo Pieralisi [this message]
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