linux-kernel - [PATCH v2 07/12] PCI: iproc: Remove redundant outbound properties

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Message-Id: <1477960721-17649-8-git-send-email-ray.jui@broadcom.com>
Date:   Mon, 31 Oct 2016 17:38:36 -0700
From:   Ray Jui <ray.jui@...adcom.com>
To:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Bjorn Helgaas <helgaas@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com, linux-pci@...r.kernel.org,
        Alex Barba <alex.barba@...adcom.com>,
        Oza Oza <oza.oza@...adcom.com>, Ray Jui <ray.jui@...adcom.com>
Subject: [PATCH v2 07/12] PCI: iproc: Remove redundant outbound properties

Remove the following outbound related device tree properties:
brcm,pcie-ob-window-size
brcm,pcie-ob-oarr-size

The above two properties are a bit duplicated in functions. In addition,
the next generation iProc PCIe controller has outbound mapping window that
supports more than just two sizes, which cannot be properly supported by
these properties

A better solution is to make the driver outbound mapping logic slightly
more intelligent so it can figure out how to configure the outbound
mapping based on the 'ranges' specified in device tree and the number and
sizes of the outbound mapping windows that a particular revision of the
iProc PCIe controller can support

Signed-off-by: Ray Jui <ray.jui@...adcom.com>
Reviewed-by: Scott Branden <scott.branden@...adcom.com>
---
 Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
index 071bbc2..f827b8d 100644
--- a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
@@ -35,11 +35,6 @@ effective:
 Required:
 - brcm,pcie-ob-axi-offset: The offset from the AXI address to the internal
 address used by the iProc PCIe core (not the PCIe address)
-- brcm,pcie-ob-window-size: The outbound address mapping window size (in MB)
-
-Optional:
-- brcm,pcie-ob-oarr-size: Some iProc SoCs need the OARR size bit to be set to
-increase the outbound window size
 
 MSI support (optional):
 
@@ -95,9 +90,7 @@ Example:
 		phy-names = "pcie-phy";
 
 		brcm,pcie-ob;
-		brcm,pcie-ob-oarr-size;
 		brcm,pcie-ob-axi-offset = <0x00000000>;
-		brcm,pcie-ob-window-size = <256>;
 
 		msi-parent = <&msi0>;
 
-- 
2.1.4