From: Andy Shevchenko <andy.shevchenko@gmail.com> To: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Daniel Scally <djrscally@gmail.com>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, ACPI Devel Maling List <linux-acpi@vger.kernel.org>, Linux Media Mailing List <linux-media@vger.kernel.org>, devel@acpica.org, "Rafael J. Wysocki" <rjw@rjwysocki.net>, Len Brown <lenb@kernel.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Yong Zhi <yong.zhi@intel.com>, Sakari Ailus <sakari.ailus@linux.intel.com>, Bingbu Cao <bingbu.cao@intel.com>, Tian Shu Qiu <tian.shu.qiu@intel.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, Robert Moore <robert.moore@intel.com>, Erik Kaneda <erik.kaneda@intel.com>, Petr Mladek <pmladek@suse.com>, Steven Rostedt <rostedt@goodmis.org>, Sergey Senozhatsky <sergey.senozhatsky@gmail.com>, Andy Shevchenko <andriy.shevchenko@linux.intel.com>, Rasmus Villemoes <linux@rasmusvillemoes.dk>, Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>, Jacopo Mondi <jacopo+renesas@jmondi.org>, kieran.bingham+renesas@ideasonboard.com, Hans Verkuil <hverkuil-cisco@xs4all.nl>, Marco Felsch <m.felsch@pengutronix.de>, niklas.soderlund+renesas@ragnatech.se, Steve Longerbeam <slongerbeam@gmail.com>, "Krogerus, Heikki" <heikki.krogerus@linux.intel.com>, Linus Walleij <linus.walleij@linaro.org> Subject: Re: [PATCH v3 07/14] software_node: Add support for fwnode_graph*() family of functions Date: Thu, 24 Dec 2020 15:03:18 +0200 [thread overview] Message-ID: <CAHp75Ve6YHm-tdqFPvOhfJiT=uRK_dpKY3mnhQd6Mg3KkSuKqA@mail.gmail.com> (raw) In-Reply-To: <X+SPsks5itN9OFqB@pendragon.ideasonboard.com> On Thu, Dec 24, 2020 at 2:55 PM Laurent Pinchart <laurent.pinchart@ideasonboard.com> wrote: > On Thu, Dec 24, 2020 at 02:24:12PM +0200, Andy Shevchenko wrote: > > On Thu, Dec 24, 2020 at 3:14 AM Daniel Scally wrote: ... > > > + if (!strncmp(to_swnode(port)->node->name, "port@", > > > > You may use here corresponding _FMT macro. > > > > > + FWNODE_GRAPH_PORT_NAME_PREFIX_LEN)) > > > + return port; ... > > > + /* Ports have naming style "port@n", we need to select the n */ > > > > > + ret = kstrtou32(swnode->parent->node->name + FWNODE_GRAPH_PORT_NAME_PREFIX_LEN, > > > > Maybe a temporary variable? > > > > unsigned int prefix_len = FWNODE_GRAPH_PORT_NAME_PREFIX_LEN; > > ... > > ret = kstrtou32(swnode->parent->node->name + prefix_len, > > Honestly I'm wondering if those macros don't hinder readability. I'd > rather write > > + strlen("port@") Works for me, since the compiler optimizes this away to be a plain constant. > and let the compiler optimize this to a compile-time constant. > > > > + 10, &endpoint->port); > > > + if (ret) > > > + return ret; -- With Best Regards, Andy Shevchenko
WARNING: multiple messages have this Message-ID (diff)
From: Andy Shevchenko <andy.shevchenko at gmail.com> To: devel@acpica.org Subject: [Devel] Re: [PATCH v3 07/14] software_node: Add support for fwnode_graph*() family of functions Date: Thu, 24 Dec 2020 15:03:18 +0200 [thread overview] Message-ID: <CAHp75Ve6YHm-tdqFPvOhfJiT=uRK_dpKY3mnhQd6Mg3KkSuKqA@mail.gmail.com> (raw) In-Reply-To: X+SPsks5itN9OFqB@pendragon.ideasonboard.com [-- Attachment #1: Type: text/plain, Size: 1285 bytes --] On Thu, Dec 24, 2020 at 2:55 PM Laurent Pinchart <laurent.pinchart(a)ideasonboard.com> wrote: > On Thu, Dec 24, 2020 at 02:24:12PM +0200, Andy Shevchenko wrote: > > On Thu, Dec 24, 2020 at 3:14 AM Daniel Scally wrote: ... > > > + if (!strncmp(to_swnode(port)->node->name, "port@", > > > > You may use here corresponding _FMT macro. > > > > > + FWNODE_GRAPH_PORT_NAME_PREFIX_LEN)) > > > + return port; ... > > > + /* Ports have naming style "port(a)n", we need to select the n */ > > > > > + ret = kstrtou32(swnode->parent->node->name + FWNODE_GRAPH_PORT_NAME_PREFIX_LEN, > > > > Maybe a temporary variable? > > > > unsigned int prefix_len = FWNODE_GRAPH_PORT_NAME_PREFIX_LEN; > > ... > > ret = kstrtou32(swnode->parent->node->name + prefix_len, > > Honestly I'm wondering if those macros don't hinder readability. I'd > rather write > > + strlen("port@") Works for me, since the compiler optimizes this away to be a plain constant. > and let the compiler optimize this to a compile-time constant. > > > > + 10, &endpoint->port); > > > + if (ret) > > > + return ret; -- With Best Regards, Andy Shevchenko
next prev parent reply other threads:[~2020-12-24 13:04 UTC|newest] Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-12-24 1:08 [PATCH v3 00/14] Add functionality to ipu3-cio2 driver allowing software_node connections to sensors on platforms designed for Windows Daniel Scally 2020-12-24 1:08 ` [PATCH v3 01/14] software_node: Fix refcounts in software_node_get_next_child() Daniel Scally 2020-12-24 1:08 ` [PATCH v3 02/14] property: Return true in fwnode_device_is_available for NULL ops Daniel Scally 2020-12-24 1:08 ` [PATCH v3 03/14] property: Call fwnode_graph_get_endpoint_by_id() for fwnode->secondary Daniel Scally 2020-12-24 1:08 ` [PATCH v3 04/14] software_node: Enforce parent before child ordering of nodes arrays Daniel Scally 2020-12-24 1:08 ` [PATCH v3 05/14] software_node: unregister software_nodes in reverse order Daniel Scally 2020-12-24 12:13 ` Andy Shevchenko 2020-12-24 12:13 ` [Devel] " Andy Shevchenko 2020-12-24 14:00 ` Daniel Scally 2020-12-24 14:12 ` Andy Shevchenko 2020-12-24 14:12 ` [Devel] " Andy Shevchenko 2020-12-24 14:14 ` Daniel Scally 2020-12-24 18:36 ` David Laight 2020-12-28 10:15 ` Andy Shevchenko 2020-12-28 10:15 ` [Devel] " Andy Shevchenko 2020-12-28 21:17 ` Daniel Scally 2020-12-28 16:34 ` Sakari Ailus 2020-12-28 17:47 ` Andy Shevchenko 2020-12-24 1:08 ` [PATCH v3 06/14] include: fwnode.h: Define format macros for ports and endpoints Daniel Scally 2020-12-24 12:17 ` Andy Shevchenko 2020-12-24 12:17 ` [Devel] " Andy Shevchenko 2020-12-24 12:41 ` Laurent Pinchart 2020-12-28 16:30 ` Sakari Ailus 2020-12-28 17:11 ` Sakari Ailus 2020-12-28 21:36 ` Daniel Scally 2020-12-24 1:09 ` [PATCH v3 07/14] software_node: Add support for fwnode_graph*() family of functions Daniel Scally 2020-12-24 12:24 ` Andy Shevchenko 2020-12-24 12:24 ` [Devel] " Andy Shevchenko 2020-12-24 12:55 ` Laurent Pinchart 2020-12-24 13:03 ` Andy Shevchenko [this message] 2020-12-24 13:03 ` [Devel] " Andy Shevchenko 2020-12-24 14:21 ` Daniel Scally 2020-12-28 16:41 ` Sakari Ailus 2020-12-28 21:37 ` Daniel Scally 2020-12-26 23:47 ` Daniel Scally 2020-12-24 12:53 ` Laurent Pinchart 2020-12-24 14:24 ` Daniel Scally 2020-12-24 1:09 ` [PATCH v3 08/14] lib/test_printf.c: Use helper function to unwind array of software_nodes Daniel Scally 2020-12-24 1:09 ` [PATCH v3 09/14] ipu3-cio2: Add T: entry to MAINTAINERS Daniel Scally 2020-12-24 1:09 ` [PATCH v3 10/14] ipu3-cio2: Rename ipu3-cio2.c Daniel Scally 2020-12-24 1:09 ` [PATCH v3 11/14] media: v4l2-core: v4l2-async: Check sd->fwnode->secondary in match_fwnode() Daniel Scally 2020-12-24 1:09 ` [PATCH v3 12/14] acpi: Add acpi_dev_get_next_match_dev() and helper macro Daniel Scally 2020-12-24 1:09 ` [PATCH v3 13/14] include: media: v4l2-fwnode: Include v4l2_fwnode_bus_type Daniel Scally 2020-12-24 12:32 ` Andy Shevchenko 2020-12-24 12:32 ` [Devel] " Andy Shevchenko 2020-12-26 23:14 ` Daniel Scally 2020-12-24 12:58 ` Laurent Pinchart 2020-12-24 1:09 ` [PATCH v3 14/14] ipu3-cio2: Add cio2-bridge to ipu3-cio2 driver Daniel Scally 2020-12-24 12:54 ` Andy Shevchenko 2020-12-24 12:54 ` [Devel] " Andy Shevchenko 2020-12-26 23:23 ` Daniel Scally 2020-12-28 17:05 ` Sakari Ailus 2020-12-28 22:37 ` Daniel Scally 2020-12-28 22:54 ` [Devel] " Andy Shevchenko 2020-12-28 22:55 ` Andy Shevchenko 2020-12-28 23:07 ` Laurent Pinchart 2020-12-28 23:54 ` Andy Shevchenko 2020-12-28 23:55 ` [Devel] " Andy Shevchenko 2020-12-29 0:07 ` Laurent Pinchart 2020-12-30 20:47 ` Andy Shevchenko 2020-12-30 20:48 ` [Devel] " Andy Shevchenko 2020-12-28 23:30 ` Daniel Scally 2020-12-28 23:47 ` Andy Shevchenko 2020-12-28 23:47 ` [Devel] " Andy Shevchenko 2021-01-02 17:07 ` Sakari Ailus 2021-01-02 17:12 ` Daniel Scally 2021-01-02 17:21 ` Sakari Ailus 2021-01-02 17:24 ` Sakari Ailus 2021-01-02 21:23 ` Daniel Scally 2020-12-28 22:55 [Devel] " Andy Shevchenko 2020-12-28 22:56 ` Andy Shevchenko
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