projects/linux·commit fe7ba289

Merge tag 'pci-v4.11-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

fe7ba289 · Linus Torvalds <[email protected]> · 2017-04-21 09:26:34 -07:00

Pull PCI fix from Bjorn Helgaas:
 "Sorry this is so late. It's been in -next for over a week, but I
  forgot to send it on until now.

  A single fix to the DT binding of the HiSilicon PCIe host support"

* tag 'pci-v4.11-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: hisi: Fix DT binding (hisi-pcie-almost-ecam)
Commit
fe7ba289332e10215b8ea423a240f5d030bb4fb3
Parents
a9aa1908 · b9c1153f

Merge commit. Changes below are compared with the first parent: a9aa1908.

Changes

2 files changed · +13 −3

FileStatusAddDelContent
Documentation/devicetree/bindings/pci/hisilicon-pcie.txtmodified+8−2View file
drivers/pci/dwc/pcie-hisi.cmodified+5−1View file

Documentation/devicetree/bindings/pci/hisilicon-pcie.txt

View file
diff --git a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
index b7fa3b9..a339dbb 100644
--- a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
@@ -44,13 +44,19 @@ Hip05 Example (note that Hip06 is the same except compatible):
};
HiSilicon Hip06/Hip07 PCIe host bridge DT (almost-ECAM) description.
+
+Some BIOSes place the host controller in a mode where it is ECAM
+compliant for all devices other than the root complex. In such cases,
+the host controller should be described as below.
+
The properties and their meanings are identical to those described in
host-generic-pci.txt except as listed below.
Properties of the host controller node that differ from
host-generic-pci.txt:
-- compatible : Must be "hisilicon,pcie-almost-ecam"
+- compatible : Must be "hisilicon,hip06-pcie-ecam", or
+ "hisilicon,hip07-pcie-ecam"
- reg : Two entries: First the ECAM configuration space for any
other bus underneath the root bus. Second, the base
@@ -59,7 +65,7 @@ host-generic-pci.txt:
Example:
pcie0: pcie@a0090000 {
- compatible = "hisilicon,pcie-almost-ecam";
+ compatible = "hisilicon,hip06-pcie-ecam";
reg = <0 0xb0000000 0 0x2000000>, /* ECAM configuration space */
<0 0xa0090000 0 0x10000>; /* host bridge registers */
bus-range = <0 31>;

drivers/pci/dwc/pcie-hisi.c

View file
diff --git a/drivers/pci/dwc/pcie-hisi.c b/drivers/pci/dwc/pcie-hisi.c
index fd66a31..cf9d6a9 100644
--- a/drivers/pci/dwc/pcie-hisi.c
+++ b/drivers/pci/dwc/pcie-hisi.c
@@ -380,9 +380,13 @@ struct pci_ecam_ops hisi_pcie_platform_ops = {
static const struct of_device_id hisi_pcie_almost_ecam_of_match[] = {
{
- .compatible = "hisilicon,pcie-almost-ecam",
+ .compatible = "hisilicon,hip06-pcie-ecam",
.data = (void *) &hisi_pcie_platform_ops,
},
+ {
+ .compatible = "hisilicon,hip07-pcie-ecam",
+ .data = (void *) &hisi_pcie_platform_ops,
+ },
{},
};