From: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
To: "Jan Kundrát" <jan.kundrat@cesnet.cz>
Cc: Russell King - ARM Linux <linux@armlinux.org.uk>,
Baruch Siach <baruch@tkos.co.il>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Jason Cooper <jason@lakedaemon.net>, <linux-pci@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [BISECTED] Regression: Solidrun Clearfog Base won't boot since "PCI: mvebu: Only remap I/O space if configured"
Date: Thu, 13 Sep 2018 10:42:41 +0200 [thread overview]
Message-ID: <20180913104241.65db8243@windsurf> (raw)
In-Reply-To: <5ad46fec-a71a-477a-b23f-d20aacfb481d@cesnet.cz>
Hello,
On Thu, 13 Sep 2018 10:20:45 +0200, Jan Kundrát wrote:
> On čtvrtek 13. září 2018 9:45:15 CEST, Thomas Petazzoni wrote:
> > What about something like the below. I tested it, including the error
> > case by forcing an -EPROBE_DEFER. The new pci_unmap_io() is modeled
> > after pci_unmap_iospace(). Actually, I would prefer to use
> > pci_remap_iospace() and pci_unmap_iospace() but for now this API
> > doesn't allow overloading the memory type used for the mapping.
>
> Thanks for providing this fix so quickly, Thomas. I can confirm that this
> patch -- tested on top of 54eda9df17f3215b9ed16629ee71ea07413efdaf ("Merge
> tag 'pci-v4.19-fixes-1' of
> git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci"). Disclaimer: I
> have zero familiarity with Linux' PCI code.
>
> Tested-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Thanks for the testing. I'll wait for Russell to say if he is happy
(or not) with the addition of pci_unmap_io() in the ARM code, if that's
the case, I'll send a proper patch to fix the issue.
Best regards,
Thomas
--
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
next prev parent reply other threads:[~2018-09-13 8:42 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-12 16:11 [BISECTED] Regression: Solidrun Clearfog Base won't boot since "PCI: mvebu: Only remap I/O space if configured" Jan Kundrát
2018-09-12 18:49 ` Baruch Siach
2018-09-12 18:50 ` Thomas Petazzoni
2018-09-12 19:00 ` Jan Kundrát
2018-09-12 23:10 ` Russell King - ARM Linux
2018-09-13 3:19 ` Baruch Siach
2018-09-13 7:45 ` Thomas Petazzoni
2018-09-13 8:20 ` Jan Kundrát
2018-09-13 8:42 ` Thomas Petazzoni [this message]
2018-09-24 10:02 ` Jan Kundrát
2018-09-24 10:10 ` Thomas Petazzoni
2018-09-24 10:12 ` Russell King - ARM Linux
2018-09-24 10:26 ` Thomas Petazzoni
2018-09-24 11:13 ` Russell King - ARM Linux
2018-09-24 12:12 ` Thomas Petazzoni
2018-09-24 12:46 ` Lorenzo Pieralisi
2018-09-24 13:10 ` Thomas Petazzoni
2018-09-24 14:15 ` Lorenzo Pieralisi
2018-09-24 14:52 ` Thomas Petazzoni
2018-09-24 16:42 ` Lorenzo Pieralisi
2018-10-01 10:56 ` Jan Kundrát
2018-10-01 12:51 ` Thomas Petazzoni
2018-10-01 21:01 ` Bjorn Helgaas
2018-09-25 8:18 ` Andrew Murray
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