diff options
Diffstat (limited to 'target/linux/ramips/patches-5.10/0119-staging-mt7621-pci-avoid-to-set-iomem_resource-addre.patch')
| -rw-r--r-- | target/linux/ramips/patches-5.10/0119-staging-mt7621-pci-avoid-to-set-iomem_resource-addre.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-5.10/0119-staging-mt7621-pci-avoid-to-set-iomem_resource-addre.patch b/target/linux/ramips/patches-5.10/0119-staging-mt7621-pci-avoid-to-set-iomem_resource-addre.patch new file mode 100644 index 0000000000..9af46f4196 --- /dev/null +++ b/target/linux/ramips/patches-5.10/0119-staging-mt7621-pci-avoid-to-set-iomem_resource-addre.patch @@ -0,0 +1,35 @@ +From 4f0f36b67564311a4ce4441510ef94848febbab2 Mon Sep 17 00:00:00 2001 +From: Sergio Paracuellos <sergio.paracuellos@gmail.com> +Date: Sun, 22 Mar 2020 08:21:28 +0100 +Subject: [PATCH] staging: mt7621-pci: avoid to set 'iomem_resource' addresses + +Setting up kernel resource 'iomem_resource' for PCI with +addresses parsed from device tree gots into a conflict within +the usb xhci driver: + +xhci-mtk 1e1c0000.xhci: can't request region for resource [mem 0x1e1c0000-0x1e1c0fff] +xhci-mtk: probe of 1e1c0000.xhci failed with error -16 + +Don't assign it and maintain the default addresses for this +resource seems to fix the problem. Checking legacy driver it +is being only setting the 'ioport_resource'. + +Fixes: 09dd629eeabb ("staging: mt7621-pci: fix io space and properly set resource limits") +Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> +Link: https://lore.kernel.org/r/20200322072128.4454-1-sergio.paracuellos@gmail.com +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + drivers/staging/mt7621-pci/pci-mt7621.c | 2 -- + 1 file changed, 2 deletions(-) + +--- a/drivers/staging/mt7621-pci/pci-mt7621.c ++++ b/drivers/staging/mt7621-pci/pci-mt7621.c +@@ -679,8 +679,6 @@ static int mt7621_pci_probe(struct platf + } + + /* set resources limits */ +- iomem_resource.start = pcie->mem.start; +- iomem_resource.end = pcie->mem.end; + ioport_resource.start = pcie->io.start; + ioport_resource.end = pcie->io.end; + |