From patchwork Tue Dec 24 13:05:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zijun Hu X-Patchwork-Id: 853349 Received: from pv50p00im-tydg10011801.me.com (pv50p00im-tydg10011801.me.com [17.58.6.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DFDCB1DE3C2 for ; Tue, 24 Dec 2024 13:07:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=17.58.6.52 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735045681; cv=none; b=pkLNLF6AN7+InoCq4aWdRVNXZXKff0R/5NeUVRGEsFqa9Vd3Qocizov9KTjFSH/uu80OjUDsrBZ3U6y+QOoVoaujHvrZbM85OUeMKlx3OxtyTDPc7nQKYxtKDrbo1Fo2IV6UBju7RlFSrhfJyBcJhQL9BYBLCsOIIOMBRiOeuK8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735045681; c=relaxed/simple; bh=DYeVw/hwvCUJayebntCAsHcBgKf0+XhIP/c9hEfatOI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=QfC2khPPpUtEuSXCQSDvcwQeAQEMjZEacs+O4qv6P7lC25y4ybExquEgUnJAhGv++pbReji+91/4xZDIfBATKSH3LKQ+A2ldFdbYAANcu6KmmnuU5AU7NxMYN+zmjBBj4kMTIQBxLVS35emt4ysSIhT3Yt9G5NnAAMcyTJfbMYY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=icloud.com; spf=pass smtp.mailfrom=icloud.com; dkim=pass (2048-bit key) header.d=icloud.com header.i=@icloud.com header.b=02HJWJQW; arc=none smtp.client-ip=17.58.6.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=icloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=icloud.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=icloud.com header.i=@icloud.com header.b="02HJWJQW" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=icloud.com; s=1a1hai; t=1735045678; bh=Xdmd4GC6rhW/Uh7S3n+f8KzvWTUMO/RUgVVrfahbelc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To: x-icloud-hme; b=02HJWJQW/isBieKHc4lHuOWm0sE6RVt3AnvajvFm1yFol+F4wqT/akMphrNu6cO3O tRStEjxXnbWSoE4MlKkFF7vYy3xf35+66BCGJyh2Du1ZUMNZ2EacwYkZJ4u5ypP965 v/AH2LZy1yRwa6xJOA1V1Bv+jP1ShdU0I6IHd2xxKji7Wu2pUn7pj2WnGI8dygTnL9 2QBDyVZyjAndJfmvYtBeu2fpOfpZbM1DThemmGYeK+N4Bu588vmwl+0aPMmrAHUPUZ RvxYwutbA+1plmvUG7dL5X+KLXh13AO6kFEqayP+A4O1R/VsH1T5Cm5RYkg+Av6Nna gt+0DUgzWfvLQ== Received: from [192.168.1.25] (pv50p00im-dlb-asmtp-mailmevip.me.com [17.56.9.10]) by pv50p00im-tydg10011801.me.com (Postfix) with ESMTPSA id EFF298002E7; Tue, 24 Dec 2024 13:07:43 +0000 (UTC) From: Zijun Hu Date: Tue, 24 Dec 2024 21:05:04 +0800 Subject: [PATCH v5 05/12] driver core: Simplify API device_find_child_by_name() implementation Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241224-const_dfc_done-v5-5-6623037414d4@quicinc.com> References: <20241224-const_dfc_done-v5-0-6623037414d4@quicinc.com> In-Reply-To: <20241224-const_dfc_done-v5-0-6623037414d4@quicinc.com> To: Greg Kroah-Hartman Cc: Linus Walleij , Bartosz Golaszewski , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , James Bottomley , =?utf-8?q?Thomas_?= =?utf-8?q?Wei=C3=9Fschuh?= , Zijun Hu , linux-kernel@vger.kernel.org, nvdimm@lists.linux.dev, linux-sound@vger.kernel.org, sparclinux@vger.kernel.org, linux-block@vger.kernel.org, linux-cxl@vger.kernel.org, linux1394-devel@lists.sourceforge.net, arm-scmi@vger.kernel.org, linux-efi@vger.kernel.org, linux-gpio@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-hwmon@vger.kernel.org, linux-media@vger.kernel.org, linux-pwm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-scsi@vger.kernel.org, linux-usb@vger.kernel.org, linux-serial@vger.kernel.org, netdev@vger.kernel.org, Zijun Hu , Jonathan Cameron X-Mailer: b4 0.14.2 X-Proofpoint-GUID: P4Ll-ia_XA5Ds8VjlM-P50WHH2PaNMoE X-Proofpoint-ORIG-GUID: P4Ll-ia_XA5Ds8VjlM-P50WHH2PaNMoE X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2024-12-24_05,2024-12-24_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 clxscore=1015 mlxscore=0 spamscore=0 mlxlogscore=866 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2308100000 definitions=main-2412240113 X-Apple-Remote-Links: v=1;h=KCk=;charset=UTF-8 From: Zijun Hu Simplify device_find_child_by_name() implementation by both existing API device_find_child() and device_match_name(). Reviewed-by: Jonathan Cameron Signed-off-by: Zijun Hu --- drivers/base/core.c | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) diff --git a/drivers/base/core.c b/drivers/base/core.c index bc3b523a4a6366080c3c9fd190e54c7fd13c8ded..8116bc8dd6e9eba0653ca686a90c7008de9e2840 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -4110,18 +4110,7 @@ EXPORT_SYMBOL_GPL(device_find_child); struct device *device_find_child_by_name(struct device *parent, const char *name) { - struct klist_iter i; - struct device *child; - - if (!parent) - return NULL; - - klist_iter_init(&parent->p->klist_children, &i); - while ((child = next_device(&i))) - if (sysfs_streq(dev_name(child), name) && get_device(child)) - break; - klist_iter_exit(&i); - return child; + return device_find_child(parent, name, device_match_name); } EXPORT_SYMBOL_GPL(device_find_child_by_name);