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

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Message-ID: <CAL_JsqKQwx2qKJb5eAsutdHH5DevC+XH33yXrCBWE+OCrrQFYg@mail.gmail.com>
Date:   Mon, 7 Dec 2020 08:30:39 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Kishon Vijay Abraham I <kishon@...com>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>, Tero Kristo <t-kristo@...com>,
        Nishanth Menon <nm@...com>, Tom Joseph <tjoseph@...ence.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        PCI <linux-pci@...r.kernel.org>, devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-omap <linux-omap@...r.kernel.org>
Subject: Re: [PATCH v2 2/3] PCI: j721e: Get offset within "syscon" from
 "ti,syscon-pcie-ctrl" phandle arg

On Fri, Dec 4, 2020 at 1:52 AM Kishon Vijay Abraham I <kishon@...com> 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
>
> Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
> ---
>  drivers/pci/controller/cadence/pci-j721e.c | 28 +++++++++++++++-------
>  1 file changed, 19 insertions(+), 9 deletions(-)

Reviewed-by: Rob Herring <robh@...nel.org>