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36 lines
1.4 KiB
Diff
36 lines
1.4 KiB
Diff
From 4f0f36b67564311a4ce4441510ef94848febbab2 Mon Sep 17 00:00:00 2001
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From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
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Date: Sun, 22 Mar 2020 08:21:28 +0100
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Subject: [PATCH] staging: mt7621-pci: avoid to set 'iomem_resource' addresses
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Setting up kernel resource 'iomem_resource' for PCI with
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addresses parsed from device tree gots into a conflict within
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the usb xhci driver:
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xhci-mtk 1e1c0000.xhci: can't request region for resource [mem 0x1e1c0000-0x1e1c0fff]
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xhci-mtk: probe of 1e1c0000.xhci failed with error -16
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Don't assign it and maintain the default addresses for this
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resource seems to fix the problem. Checking legacy driver it
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is being only setting the 'ioport_resource'.
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Fixes: 09dd629eeabb ("staging: mt7621-pci: fix io space and properly set resource limits")
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Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
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Link: https://lore.kernel.org/r/20200322072128.4454-1-sergio.paracuellos@gmail.com
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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---
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drivers/staging/mt7621-pci/pci-mt7621.c | 2 --
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1 file changed, 2 deletions(-)
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--- a/drivers/staging/mt7621-pci/pci-mt7621.c
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+++ b/drivers/staging/mt7621-pci/pci-mt7621.c
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@@ -679,8 +679,6 @@ static int mt7621_pci_probe(struct platf
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}
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/* set resources limits */
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- iomem_resource.start = pcie->mem.start;
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- iomem_resource.end = pcie->mem.end;
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ioport_resource.start = pcie->io.start;
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ioport_resource.end = pcie->io.end;
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