linux-kernel - Re: [PATCH] of/platform: Add missing const qualifier in of_link

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Date:   Wed, 31 Jul 2019 13:33:40 -0700
From:   Saravana Kannan <saravanak@...gle.com>
To:     Nathan Chancellor <natechancellor@...il.com>
Cc:     David Collins <collinsd@...eaurora.org>,
        Jonathan Corbet <corbet@....net>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Android Kernel Team <kernel-team@...roid.com>,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Mark Rutland <mark.rutland@....com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        kbuild test robot <lkp@...el.com>
Subject: Re: [PATCH] of/platform: Add missing const qualifier in of_link_property

On Wed, Jul 31, 2019 at 11:19 AM Nathan Chancellor
<natechancellor@...il.com> wrote:
>
> Clang errors:
>
> drivers/of/platform.c:632:28: error: initializing 'struct
> supplier_bindings *' with an expression of type 'const struct
> supplier_bindings [4]' discards qualifiers
> [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
>         struct supplier_bindings *s = bindings;
>                                   ^   ~~~~~~~~
> 1 error generated.
>
> Fixes: 05f812549f53 ("of/platform: Add functional dependency link from DT bindings")
> Reported-by: kbuild test robot <lkp@...el.com>
> Signed-off-by: Nathan Chancellor <natechancellor@...il.com>
> ---
>
> Given this is still in the driver-core-testing branch, I am fine with
> this being squashed in if desired.
>
>  drivers/of/platform.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/of/platform.c b/drivers/of/platform.c
> index e2da90e53edb..21838226d68a 100644
> --- a/drivers/of/platform.c
> +++ b/drivers/of/platform.c
> @@ -629,7 +629,7 @@ static bool of_link_property(struct device *dev, struct device_node *con_np,
>                              const char *prop)
>  {
>         struct device_node *phandle;
> -       struct supplier_bindings *s = bindings;
> +       const struct supplier_bindings *s = bindings;
>         unsigned int i = 0;
>         bool done = true, matched = false;

Odd. I never got that email. Thanks for fixing this. I'll squash it
into my patch series since I have a bunch of other kbuild errors about
documentation.

-Saravana