Thread (9 messages) 9 messages, 2 authors, 2020-12-10

Re: [PATCH v2 2/3] PCI: j721e: Get offset within "syscon" from "ti,syscon-pcie-ctrl" phandle arg

From: Rob Herring <robh+dt@kernel.org>
Date: 2020-12-07 14:31:50
Also in: linux-devicetree, linux-omap, linux-pci, lkml

On Fri, Dec 4, 2020 at 1:52 AM Kishon Vijay Abraham I [off-list ref] wrote:
Get "syscon" pcie_ctrl offset from the argument of "ti,syscon-pcie-ctrl"
phandle. Previously a subnode to "syscon" node was added which has the
exact memory mapped address of pcie_ctrl but now the offset of pcie_ctrl
within "syscon" is now being passed as argument to "ti,syscon-pcie-ctrl"
phandle.

If the offset is not provided in "ti,syscon-pcie-ctrl", the
full memory mapped address of pcie_ctrl is used in order to maintain old
DT compatibility.

This change is as discussed in [1]

[1] -> http://lore.kernel.org/r/CAL_JsqKiUcO76bo1GoepWM1TusJWoty_BRy2hFSgtEVMqtrvvQ@mail.gmail.com (local)

Signed-off-by: Kishon Vijay Abraham I <redacted>
---
 drivers/pci/controller/cadence/pci-j721e.c | 28 +++++++++++++++-------
 1 file changed, 19 insertions(+), 9 deletions(-)
Reviewed-by: Rob Herring <robh@kernel.org>

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