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Mon, 04 Jan 2021 04:57:36 -0800 (PST) Subject: Re: [PATCH v4 13/15] acpi: Add acpi_dev_get_next_match_dev() and helper macro To: Andy Shevchenko Cc: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-media@vger.kernel.org, devel@acpica.org, gregkh@linuxfoundation.org, rjw@rjwysocki.net, sergey.senozhatsky@gmail.com, mchehab@kernel.org, lenb@kernel.org, yong.zhi@intel.com, sakari.ailus@linux.intel.com, bingbu.cao@intel.com, tian.shu.qiu@intel.com, robert.moore@intel.com, erik.kaneda@intel.com, pmladek@suse.com, rostedt@goodmis.org, linux@rasmusvillemoes.dk, laurent.pinchart+renesas@ideasonboard.com, jacopo+renesas@jmondi.org, kieran.bingham+renesas@ideasonboard.com, hverkuil-cisco@xs4all.nl, m.felsch@pengutronix.de, niklas.soderlund+renesas@ragnatech.se, slongerbeam@gmail.com, heikki.krogerus@linux.intel.com, linus.walleij@linaro.org References: <20210103231235.792999-1-djrscally@gmail.com> <20210103231235.792999-14-djrscally@gmail.com> <20210104124228.GU4077@smile.fi.intel.com> From: Daniel Scally Message-ID: <589d7078-60e6-ae2b-dbb2-bbe5b8ef7775@gmail.com> Date: Mon, 4 Jan 2021 12:57:34 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20210104124228.GU4077@smile.fi.intel.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org On 04/01/2021 12:42, Andy Shevchenko wrote: > On Sun, Jan 03, 2021 at 11:12:33PM +0000, Daniel Scally wrote: >> To ensure we handle situations in which multiple sensors of the same >> model (and therefore _HID) are present in a system, we need to be able >> to iterate over devices matching a known _HID but unknown _UID and _HRV >> - add acpi_dev_get_next_match_dev() to accommodate that possibility and >> change acpi_dev_get_first_match_dev() to simply call the new function >> with a NULL starting point. Add an iterator macro for convenience. > I guess we need Rafael's blessing on this. For this one yes