From patchwork Tue Aug 30 23:00:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Pali_Roh=C3=A1r?= X-Patchwork-Id: 602118 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3A385C0502A for ; Tue, 30 Aug 2022 23:00:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231371AbiH3XAh (ORCPT ); Tue, 30 Aug 2022 19:00:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43666 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231402AbiH3XAg (ORCPT ); Tue, 30 Aug 2022 19:00:36 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2A2F194EF2; Tue, 30 Aug 2022 16:00:35 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id BD1E6615F7; Tue, 30 Aug 2022 23:00:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0C239C433D6; Tue, 30 Aug 2022 23:00:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1661900434; bh=WsFP+jr/JWJOetQbqvy3jJUBEs3QY1vpJJXVmKgr98I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DCQd396YFLgvuF4XThnikjVixCDiSZOaINBCx35IpPqiz5QbcT7s26bFCXwG0c21e PXYKnc9IzRbYzQLOu4MHgp3h7yMs2KlNhf3ctwmo+y+NjN6n+VV/418wj5hCxyxRU8 anvOsHeViJNMXcuVXZqZGz2Y0rbQ86vampAqqeUm/jL8Td0ydG0famYqt05Say96n2 tvzCiQ0wM72LNF0wRA7nz36tYg5K2577ZzpDQKqpctjzxxue5JOkhKRfWgWmMwUH8W 87dXenm3LoEKrhWxMRzObcGi1TAJYg6TIj2Zl4qpC1OW/KSFDP5WQbks1FIIYPKQlW 7Qtad5T7pPRQw== Received: by pali.im (Postfix) id 72ECD834; Wed, 31 Aug 2022 01:00:31 +0200 (CEST) From: =?utf-8?q?Pali_Roh=C3=A1r?= To: Rob Herring , Krzysztof Kozlowski , Michael Ellerman Cc: devicetree@vger.kernel.org, linux-pm@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, =?utf-8?q?Mare?= =?utf-8?q?k_Beh=C3=BAn?= Subject: [PATCH v2 2/3] power: reset: syscon-reboot: Add support for specifying priority Date: Wed, 31 Aug 2022 01:00:11 +0200 Message-Id: <20220830230012.9429-2-pali@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20220830230012.9429-1-pali@kernel.org> References: <20220820102925.29476-1-pali@kernel.org> <20220830230012.9429-1-pali@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Read new optional device tree property priority for specifying priority level of reset handler. Default value is 192 as before. Signed-off-by: Pali Rohár --- drivers/power/reset/syscon-reboot.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/power/reset/syscon-reboot.c b/drivers/power/reset/syscon-reboot.c index 510e363381ca..45e34e6885f7 100644 --- a/drivers/power/reset/syscon-reboot.c +++ b/drivers/power/reset/syscon-reboot.c @@ -44,6 +44,7 @@ static int syscon_reboot_probe(struct platform_device *pdev) struct syscon_reboot_context *ctx; struct device *dev = &pdev->dev; int mask_err, value_err; + int priority; int err; ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); @@ -57,6 +58,9 @@ static int syscon_reboot_probe(struct platform_device *pdev) return PTR_ERR(ctx->map); } + if (of_property_read_s32(pdev->dev.of_node, "priority", &priority)) + priority = 192; + if (of_property_read_u32(pdev->dev.of_node, "offset", &ctx->offset)) return -EINVAL; @@ -77,7 +81,7 @@ static int syscon_reboot_probe(struct platform_device *pdev) } ctx->restart_handler.notifier_call = syscon_restart_handle; - ctx->restart_handler.priority = 192; + ctx->restart_handler.priority = priority; err = register_restart_handler(&ctx->restart_handler); if (err) dev_err(dev, "can't register restart notifier (err=%d)\n", err);