From patchwork Sat Sep 2 08:47:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Binbin Zhou X-Patchwork-Id: 13373048 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 CB38BCA0FFF for ; Sat, 2 Sep 2023 08:47:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) id A51D5C433CA; Sat, 2 Sep 2023 08:47:53 +0000 (UTC) Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.kernel.org (Postfix) with ESMTP id 1AD55C433C8; Sat, 2 Sep 2023 08:47:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.kernel.org 1AD55C433C8 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 _____8BxXeu19vJk7P4dAA--.56137S3; Sat, 02 Sep 2023 16:47:49 +0800 (CST) Received: from localhost.localdomain (unknown [112.20.109.102]) by localhost.localdomain (Coremail) with SMTP id AQAAf8CxWM2z9vJkbI1pAA--.60477S3; Sat, 02 Sep 2023 16:47:49 +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 v3 5/5] soc: loongson: loongson2_pm: Populate children syscon nodes Date: Sat, 2 Sep 2023 16:47:45 +0800 Message-Id: X-Mailer: git-send-email 2.39.3 In-Reply-To: References: MIME-Version: 1.0 X-CM-TRANSID: AQAAf8CxWM2z9vJkbI1pAA--.60477S3 X-CM-SenderInfo: p2kr3uplqex0o6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBj9xXoW7XF13WFy3tryUXr43AFy3KFX_yoWkKwc_u3 W29r48Cr1UJFnIy398Zw13Ar9Fgrn5u3W8uF1Dtw1Iq3WUt3sxJFyUArnrGF17WF4Syrn8 Z3y0gw1Ikw1rCosvyTuYvTs0mTUanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUj1kv1TuYvT s0mT0YCTnIWjqI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUI cSsGvfJTRUUUb2kYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20x vaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVW7JVWDJwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV WxJVW8Jr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AK xVW8Jr0_Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx 1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26rWY6Fy7McIj6I8E87Iv 67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IYc2 Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s02 6x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0x vE2Ix0cI8IcVAFwI0_Ar0_tr1lIxAIcVC0I7IYx2IY6xkF7I0E14v26F4j6r4UJwCI42IY 6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr0_Cr1lIxAIcVC2z280aV CY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7IU04v3UUUUUU== 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; }