From: Bjorn Helgaas <bhelgaas@google.com>
Date: Sun, 2 Jul 2017 23:49:49 +0000 (-0500)
Subject: Merge branch 'pci/resource' into next
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=8cd93850347bb4487d332d6638a22c7686ae237d;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

Merge branch 'pci/resource' into next

* pci/resource:
  PCI: Work around poweroff & suspend-to-RAM issue on Macbook Pro 11
  PCI: Do not disregard parent resources starting at 0x0

Conflicts:
arch/x86/pci/fixup.c
---

8cd93850347bb4487d332d6638a22c7686ae237d
diff --cc arch/x86/pci/fixup.c
index 2259acdcede5,20fa7c84109d..11e407489db0
--- a/arch/x86/pci/fixup.c
+++ b/arch/x86/pci/fixup.c
@@@ -572,17 -572,34 +572,49 @@@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_I
  DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fa0, pci_invalid_bar);
  DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fc0, pci_invalid_bar);
  
 +/*
 + * Device [1022:7808]
 + * 23. USB Wake on Connect/Disconnect with Low Speed Devices
 + * https://support.amd.com/TechDocs/46837.pdf
 + * Appendix A2
 + * https://support.amd.com/TechDocs/42413.pdf
 + */
 +static void pci_fixup_amd_ehci_pme(struct pci_dev *dev)
 +{
 +	dev_info(&dev->dev, "PME# does not work under D3, disabling it\n");
 +	dev->pme_support &= ~((PCI_PM_CAP_PME_D3 | PCI_PM_CAP_PME_D3cold)
 +		>> PCI_PM_CAP_PME_SHIFT);
 +}
 +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x7808, pci_fixup_amd_ehci_pme);
++
+ /*
+  * Apple MacBook Pro: Avoid [mem 0x7fa00000-0x7fbfffff]
+  *
+  * Using the [mem 0x7fa00000-0x7fbfffff] region, e.g., by assigning it to
+  * the 00:1c.0 Root Port, causes a conflict with [io 0x1804], which is used
+  * for soft poweroff and suspend-to-RAM.
+  *
+  * As far as we know, this is related to the address space, not to the Root
+  * Port itself.  Attaching the quirk to the Root Port is a convenience, but
+  * it could probably also be a standalone DMI quirk.
+  *
+  * https://bugzilla.kernel.org/show_bug.cgi?id=103211
+  */
+ static void quirk_apple_mbp_poweroff(struct pci_dev *pdev)
+ {
+ 	struct device *dev = &pdev->dev;
+ 	struct resource *res;
+ 
+ 	if ((!dmi_match(DMI_PRODUCT_NAME, "MacBookPro11,4") &&
+ 	     !dmi_match(DMI_PRODUCT_NAME, "MacBookPro11,5")) ||
+ 	    pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x1c, 0))
+ 		return;
+ 
+ 	res = request_mem_region(0x7fa00000, 0x200000,
+ 				 "MacBook Pro poweroff workaround");
+ 	if (res)
+ 		dev_info(dev, "claimed %s %pR\n", res->name, res);
+ 	else
+ 		dev_info(dev, "can't work around MacBook Pro poweroff issue\n");
+ }
+ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x8c10, quirk_apple_mbp_poweroff);