linux-kernel - Re: [PATCH v3 1/5] drivers/of: introduce of_fdt_is

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Date:   Mon, 3 Oct 2016 10:28:45 -0500
From:   Rob Herring <robh+dt@...nel.org>
To:     Reza Arbab <arbab@...ux.vnet.ibm.com>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Frank Rowand <frowand.list@...il.com>,
        Jonathan Corbet <corbet@....net>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Bharata B Rao <bharata@...ux.vnet.ibm.com>,
        Nathan Fontenot <nfont@...ux.vnet.ibm.com>,
        Stewart Smith <stewart@...ux.vnet.ibm.com>,
        Alistair Popple <apopple@....ibm.com>,
        Balbir Singh <bsingharora@...il.com>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: [PATCH v3 1/5] drivers/of: introduce of_fdt_is_available()

On Sun, Sep 25, 2016 at 1:36 PM, Reza Arbab <arbab@...ux.vnet.ibm.com> wrote:
> In __fdt_scan_reserved_mem(), the availability of a node is determined
> by testing its "status" property.
>
> Move this check into its own function, borrowing logic from the
> unflattened version, of_device_is_available().
>
> Another caller will be added in a subsequent patch.
>
> Signed-off-by: Reza Arbab <arbab@...ux.vnet.ibm.com>
> ---
>  drivers/of/fdt.c       | 26 +++++++++++++++++++++++---
>  include/linux/of_fdt.h |  2 ++
>  2 files changed, 25 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
> index 085c638..9241c6e 100644
> --- a/drivers/of/fdt.c
> +++ b/drivers/of/fdt.c
> @@ -151,6 +151,23 @@ int of_fdt_match(const void *blob, unsigned long node,
>         return score;
>  }
>
> +bool of_fdt_is_available(const void *blob, unsigned long node)

of_fdt_device_is_available

[...]

> +bool __init of_flat_dt_is_available(unsigned long node)

And of_flat_dt_device_is_available

With that,

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