From patchwork Thu Aug 31 11:43:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Binbin Zhou X-Patchwork-Id: 13371434 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 19E1DC83F32 for ; Thu, 31 Aug 2023 11:43:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) id 01751C43395; Thu, 31 Aug 2023 11:43:34 +0000 (UTC) Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.kernel.org (Postfix) with ESMTP id 294D9C433C9; Thu, 31 Aug 2023 11:43:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.kernel.org 294D9C433C9 Authentication-Results: smtp.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [112.20.109.102]) by gateway (Coremail) with SMTP id _____8AxXOrhfPBkX28dAA--.33013S3; Thu, 31 Aug 2023 19:43:29 +0800 (CST) Received: from localhost.localdomain (unknown [112.20.109.102]) by localhost.localdomain (Coremail) with SMTP id AQAAf8AxTSPffPBkbxJoAA--.36689S3; Thu, 31 Aug 2023 19:43:29 +0800 (CST) From: Binbin Zhou To: Binbin Zhou , Huacai Chen , Yinbo Zhu , Arnd Bergmann , Rob Herring , Krzysztof Kozlowski , Conor Dooley List-Id: Cc: Huacai Chen , loongson-kernel@lists.loongnix.cn, soc@kernel.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, Xuerui Wang , loongarch@lists.linux.dev, Binbin Zhou Subject: [PATCH v2 5/5] soc: loongson: loongson_pm2: Populate children syscon nodes Date: Thu, 31 Aug 2023 19:43:25 +0800 Message-Id: <967f837de873706686438cdcf7c71ed8828de31c.1693474728.git.zhoubinbin@loongson.cn> X-Mailer: git-send-email 2.39.3 In-Reply-To: References: MIME-Version: 1.0 X-CM-TRANSID: AQAAf8AxTSPffPBkbxJoAA--.36689S3 X-CM-SenderInfo: p2kr3uplqex0o6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBj9xXoW7XF13WFy3tryUXr43AFy3KFX_yoWkKwc_u3 W29r48Cr1UJFnIy398Zw13Ar9Fgrn5u3W8uF1Dtw1Iq3WUt3sxJFyUArnrGF17WF4Syrn8 Z3y0gw1Ikw1rCosvyTuYvTs0mTUanT9S1TB71UUUUUDqnTZGkaVYY2UrUUUUj1kv1TuYvT s0mT0YCTnIWjqI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUI cSsGvfJTRUUUb2xYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20x vaj40_Wr0E3s1l1IIY67AEw4v_Jrv_JF1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVW7JVWDJwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV WxJVW8Jr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AK xVWxJr0_GcWle2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0cIa020Ex4CE44I27w Aqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Wrv_ZF1lYx0Ex4A2jsIE 14v26r4j6F4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCF04k20xvY0x 0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E 7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcV C0I7IYx2IY67AKxVW7JVWDJwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UMIIF0xvE 42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6x kF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjxUsZqXUUUUU The syscon poweroff and reboot nodes logically belong to the Power Management Unit so populate possible children. Without it, the reboot/poweroff feature becomes unavailable. Signed-off-by: Binbin Zhou --- drivers/soc/loongson/loongson2_pm.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/soc/loongson/loongson2_pm.c b/drivers/soc/loongson/loongson2_pm.c index 5ffb77afd9eb..b8e5e1e3528a 100644 --- a/drivers/soc/loongson/loongson2_pm.c +++ b/drivers/soc/loongson/loongson2_pm.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include #include @@ -192,6 +193,11 @@ static int loongson2_pm_probe(struct platform_device *pdev) if (loongson_sysconf.suspend_addr) suspend_set_ops(&loongson2_suspend_ops); + /* Populate children */ + retval = devm_of_platform_populate(dev); + if (retval) + dev_err(dev, "Error populating children, reboot and poweroff might not work properly\n"); + return 0; }