On Thu, Mar 23, 2017 at 09:18:17PM +0800, Dongdong Liu wrote:
> The "hisilicon,pcie-almost-ecam", which goes against the usual DT
> conventions, and is non-sensical in that it describes the IP based on
> what it isn't. Fix the DT binding with "hisilicon,hip06-pcie-ecam"
> and "hisilicon,hip07-pcie-ecam".
>
> Signed-off-by: Mark Rutland <mark.rutland@xxxxxxx>
> Signed-off-by: Dongdong Liu <liudongdong3@xxxxxxxxxx>
Thanks for sending this out.
As it may not be obvious, this is a fixup for v4.11, and needs to go
through ASAP so as to avoid a release with the broken binding.
Thanks,
Mark.
> ---
> Documentation/devicetree/bindings/pci/hisilicon-pcie.txt | 10 ++++++++--
> drivers/pci/dwc/pcie-hisi.c | 6 +++++-
> 2 files changed, 13 insertions(+), 3 deletions(-)
>
> 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>;
> 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,
> + },
> {},
> };
>
> --
> 1.9.1
>
> --
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