linux-kernel - Re: [PATCH v1 6/8] software node: Simplify swnode

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Date:   Sun, 28 Mar 2021 10:44:28 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Daniel Scally <djrscally@...il.com>, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, linux-acpi@...r.kernel.org,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Yong Zhi <yong.zhi@...el.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Bingbu Cao <bingbu.cao@...el.com>,
        Tianshu Qiu <tian.shu.qiu@...el.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Subject: Re: [PATCH v1 6/8] software node: Simplify swnode_register() a bit

On Sun, Mar 28, 2021 at 12:20:10AM +0200, Andy Shevchenko wrote:
> By introducing two temporary variables simplify swnode_register() a bit.
> No functional change intended.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>  drivers/base/swnode.c | 11 +++++------
>  1 file changed, 5 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c
> index ae53c48f84b1..1e81aaf5f6a1 100644
> --- a/drivers/base/swnode.c
> +++ b/drivers/base/swnode.c
> @@ -894,6 +894,8 @@ static struct fwnode_handle *
>  swnode_register(const struct software_node *node, struct swnode *parent,
>  		unsigned int allocated)
>  {
> +	struct ida *ids = parent ? &parent->child_ids : &swnode_root_ids;
> +	struct kobject *kobj_parent = parent ? &parent->kobj : NULL;

?: operations are horrid.  Please spell this out in real if statements
so that we can properly understand and maintain them for the next 20+
years.

thanks,

greg k-h