Linux-ACPI Archive on lore.kernel.org
 help / color / Atom feed
From: Petr Mladek <pmladek@suse.com>
To: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: rafael@kernel.org, linux-kernel@vger.kernel.org,
	Rob Herring <robh@kernel.org>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Heikki Krogerus <heikki.krogerus@linux.intel.com>,
	devicetree@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: Re: [PATCH v4 08/11] lib/vsprintf: Make use of fwnode API to obtain node names and separators
Date: Mon, 2 Sep 2019 17:18:03 +0200
Message-ID: <20190902151803.wgt2x5rtpziggtgx@pathway.suse.cz> (raw)
In-Reply-To: <20190902083240.20367-9-sakari.ailus@linux.intel.com>

On Mon 2019-09-02 11:32:37, Sakari Ailus wrote:
> Instead of implementing our own means of discovering parent nodes, node
> names or counting how many parents a node has, use the newly added
> functions in the fwnode API to obtain that information.
> 
> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
>  lib/vsprintf.c | 38 ++++++++++++++++----------------------
>  1 file changed, 16 insertions(+), 22 deletions(-)
> 
> diff --git a/lib/vsprintf.c b/lib/vsprintf.c
> index b00b57f9f911f..a04a2167101ef 100644
> --- a/lib/vsprintf.c
> +++ b/lib/vsprintf.c
> @@ -1863,32 +1864,24 @@ char *flags_string(char *buf, char *end, void *flags_ptr,
>  	return format_flags(buf, end, flags, names);
>  }
>  
> -static const char *device_node_name_for_depth(const struct device_node *np, int depth)
> -{
> -	for ( ; np && depth; depth--)
> -		np = np->parent;
> -
> -	return kbasename(np->full_name);
> -}
> -
>  static noinline_for_stack
> -char *device_node_gen_full_name(const struct device_node *np, char *buf, char *end)
> +char *fwnode_full_name_string(struct fwnode_handle *fwnode, char *buf,
> +			      char *end)
>  {
>  	int depth;
> -	const struct device_node *parent = np->parent;
>  
> -	/* special case for root node */
> -	if (!parent)
> -		return string_nocheck(buf, end, "/", default_str_spec);
> +	for (depth = fwnode_count_parents(fwnode); depth >= 0; depth--) {

It looked suspicious that it iterated "depth + 1" times. It might be
obvious for people traversing paths every day but not for me ;-)
Please, add a comment, for example:

	/* Iterate over parents and current node. */

With the above comment:

Reviewed-by: Petr Mladek <pmladek@suse.com>

Best Regards,
Petr

  reply index

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-02  8:32 [PATCH v4 00/11] Device property improvements, add %pfw format specifier Sakari Ailus
2019-09-02  8:32 ` [PATCH v4 01/11] software node: Get reference to parent swnode in get_parent op Sakari Ailus
2019-09-02 10:10   ` Andy Shevchenko
2019-09-02  8:32 ` [PATCH v4 02/11] software node: Make argument to to_software_node const Sakari Ailus
2019-09-02  8:32 ` [PATCH v4 03/11] device property: Move fwnode_get_parent() up Sakari Ailus
2019-09-02 10:11   ` Andy Shevchenko
2019-09-02  8:32 ` [PATCH v4 04/11] device property: Add functions for accessing node's parents Sakari Ailus
2019-09-02 10:14   ` Andy Shevchenko
2019-09-02 12:34     ` Sakari Ailus
2019-09-02 12:46       ` Andy Shevchenko
2019-09-02  8:32 ` [PATCH v4 05/11] device property: Add fwnode_get_name for returning the name of a node Sakari Ailus
2019-09-02  8:32 ` [PATCH v4 06/11] device property: Add a function to obtain a node's prefix Sakari Ailus
2019-09-02 10:16   ` Andy Shevchenko
2019-09-02  8:32 ` [PATCH v4 07/11] lib/vsprintf: Remove support for %pF and %pf in favour of %pS and %ps Sakari Ailus
2019-09-02 14:39   ` Petr Mladek
2019-09-02 16:01     ` Andy Shevchenko
2019-09-03 14:04       ` Petr Mladek
2019-09-06  6:59         ` Sakari Ailus
2019-09-02  8:32 ` [PATCH v4 08/11] lib/vsprintf: Make use of fwnode API to obtain node names and separators Sakari Ailus
2019-09-02 15:18   ` Petr Mladek [this message]
2019-09-02 15:41     ` Sakari Ailus
2019-09-02  8:32 ` [PATCH v4 09/11] lib/vsprintf: OF nodes are first and foremost, struct device_nodes Sakari Ailus
2019-09-02 10:21   ` Andy Shevchenko
2019-09-02  8:32 ` [PATCH v4 10/11] lib/vsprintf: Add %pfw conversion specifier for printing fwnode names Sakari Ailus
2019-09-03 13:06   ` Petr Mladek
2019-09-04 15:04     ` Sakari Ailus
2019-09-04 15:17       ` Andy Shevchenko
2019-09-04 15:39         ` Joe Perches
2019-09-04 15:54           ` Andy Shevchenko
2019-09-04 15:37       ` Joe Perches
2019-09-04 16:09         ` Sakari Ailus
2019-09-02  8:32 ` [PATCH v4 11/11] lib/test_printf: Add tests for %pfw printk modifier Sakari Ailus
2019-09-02 12:26   ` Andy Shevchenko
2019-09-02 13:09     ` Sakari Ailus
2019-09-03 13:38   ` Petr Mladek
2019-09-04 14:03     ` Sakari Ailus

Reply instructions:

You may reply publically to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190902151803.wgt2x5rtpziggtgx@pathway.suse.cz \
    --to=pmladek@suse.com \
    --cc=andriy.shevchenko@linux.intel.com \
    --cc=devicetree@vger.kernel.org \
    --cc=heikki.krogerus@linux.intel.com \
    --cc=linux-acpi@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=rafael@kernel.org \
    --cc=robh@kernel.org \
    --cc=sakari.ailus@linux.intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Linux-ACPI Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-acpi/0 linux-acpi/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-acpi linux-acpi/ https://lore.kernel.org/linux-acpi \
		linux-acpi@vger.kernel.org
	public-inbox-index linux-acpi

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-acpi


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git