On Thu, 31 Jan 2019 16:06:10 +0000
Leigh Brown [off-list ref] wrote:

quoted

diff --git a/drivers/pci/pci-bridge-emul.c 

b/drivers/pci/pci-bridge-emul.c
index 129738362d90..f99b80c19809 100644

--- a/drivers/pci/pci-bridge-emul.c
+++ b/drivers/pci/pci-bridge-emul.c

@@ -142,11 +142,7 @@ const static struct pci_bridge_reg_behavior

pci_regs_behavior[] = {
        },

        [PCI_PREF_MEMORY_BASE / 4] = {
-               /* The high 12-bits of pref mem base/limit are RW */
-               .rw = GENMASK(31, 20) | GENMASK(15, 4),
-
-               /* The low four bits of pref mem base/limit are RO */
-               .ro = GENMASK(19, 16) | GENMASK(3, 0),
+               .ro = ~0,
        },

        [PCI_PREF_BASE_UPPER32 / 4] = {  

Thanks for responding. I had to manually apply the patch, but it 
certainly fixes the issue.

Ah, good to hear this. Let's see if I can find a good fix for this then.

Thanks,

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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