linux-kernel - Re: [PATCH v2] slimbus: core: Set fwnode for a device when setting of

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Message-ID: <CAGETcx8YWthXcUrs8ii=O_MO8pepjpwcqzCshe0Dd8uhUUL79A@mail.gmail.com>
Date:   Thu, 26 Mar 2020 11:11:06 -0700
From:   Saravana Kannan <saravanak@...gle.com>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:     John Stultz <john.stultz@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Android Kernel Team <kernel-team@...roid.com>,
        alsa-devel@...a-project.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] slimbus: core: Set fwnode for a device when setting of_node

On Thu, Mar 26, 2020 at 10:25 AM Saravana Kannan <saravanak@...gle.com> wrote:
>
> When setting the of_node for a newly created device, also set the
> fwnode. This allows fw_devlink feature to work for slimbus devices.
>
> Signed-off-by: Saravana Kannan <saravanak@...gle.com>
> ---
>  drivers/slimbus/core.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/slimbus/core.c b/drivers/slimbus/core.c
> index 526e3215d8fe..44228a5b246d 100644
> --- a/drivers/slimbus/core.c
> +++ b/drivers/slimbus/core.c
> @@ -163,8 +163,10 @@ static int slim_add_device(struct slim_controller *ctrl,
>         INIT_LIST_HEAD(&sbdev->stream_list);
>         spin_lock_init(&sbdev->stream_list_lock);
>
> -       if (node)
> +       if (node) {
>                 sbdev->dev.of_node = of_node_get(node);
> +               sbdev->dev.fwnode = of_fwnode_handle(node);
> +       }
>
>         dev_set_name(&sbdev->dev, "%x:%x:%x:%x",
>                                   sbdev->e_addr.manf_id,
> --

Hi Srinivas,

Btw, I sent another patch that's on top of this patch.
https://lore.kernel.org/lkml/20200326173457.29233-1-saravanak@google.com/T/#u

That fixes of_node_get() handling. Didn't notice it before I sent this
patch. Otherwise would have made it a series. Sorry about the trouble.

Thanks,
Saravana