From mboxrd@z Thu Jan 1 00:00:00 1970 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (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 051EFC0015E for ; Sat, 22 Jul 2023 17:12:37 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 1F6EE1FE; Sat, 22 Jul 2023 19:11:45 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 1F6EE1FE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1690045955; bh=ytMTa0wng13ugtq7hiU6TW+yC3xnCwz2Inw5/SqeVCk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=F14VB6j5l6GA8mOLtm7Gj+VDpRHHoiYrGyDs4hUNW9nKZw/J7K4ik1CvVD2NF6QtA LTL0H6fo1b3g7MojZO1PPuY0DoswZ59qse6RxOz4RUfKufJwk3GzU+/uCO1PJl0lui kKEFPmdoYYoZ5eIUaDgQ3o1zv2YTnvIajlzdQYuY= Received: by alsa1.perex.cz (Postfix, from userid 50401) id D7D70F80588; Sat, 22 Jul 2023 19:10:57 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id 157F5F80588; Sat, 22 Jul 2023 19:10:57 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 2882EF8047D; Fri, 21 Jul 2023 18:38:27 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 9425FF800D2 for ; Fri, 21 Jul 2023 18:38:23 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 9425FF800D2 X-IronPort-AV: E=McAfee;i="6600,9927,10778"; a="364526941" X-IronPort-AV: E=Sophos;i="6.01,222,1684825200"; d="scan'208";a="364526941" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jul 2023 09:38:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10778"; a="760008775" X-IronPort-AV: E=Sophos;i="6.01,222,1684825200"; d="scan'208";a="760008775" Received: from smile.fi.intel.com ([10.237.72.54]) by orsmga001.jf.intel.com with ESMTP; 21 Jul 2023 09:38:03 -0700 Received: from andy by smile.fi.intel.com with local (Exim 4.96) (envelope-from ) id 1qMt8h-00Cn64-1u; Fri, 21 Jul 2023 19:37:59 +0300 Date: Fri, 21 Jul 2023 19:37:59 +0300 From: Andy Shevchenko To: nikita.shubin@maquefel.me Cc: Hartley Sweeten , Lennert Buytenhek , Alexander Sverdlin , Russell King , Lukasz Majewski , Linus Walleij , Bartosz Golaszewski , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Alessandro Zummo , Alexandre Belloni , Wim Van Sebroeck , Guenter Roeck , Sebastian Reichel , Thierry Reding , Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= , Mark Brown , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Vinod Koul , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Damien Le Moal , Sergey Shtylyov , Dmitry Torokhov , Arnd Bergmann , Olof Johansson , soc@kernel.org, Liam Girdwood , Jaroslav Kysela , Takashi Iwai , Michael Peters , Kris Bahnsen , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-rtc@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-pm@vger.kernel.org, linux-pwm@vger.kernel.org, linux-spi@vger.kernel.org, netdev@vger.kernel.org, dmaengine@vger.kernel.org, linux-mtd@lists.infradead.org, linux-ide@vger.kernel.org, linux-input@vger.kernel.org, alsa-devel@alsa-project.org Subject: Re: [PATCH v3 14/42] power: reset: Add a driver for the ep93xx reset Message-ID: References: <20230605-ep93xx-v3-0-3d63a5f1103e@maquefel.me> <20230605-ep93xx-v3-14-3d63a5f1103e@maquefel.me> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230605-ep93xx-v3-14-3d63a5f1103e@maquefel.me> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo X-MailFrom: andy@kernel.org X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1 Message-ID-Hash: LHFZONAUJYWFRRW3VTCMOMTI7MCKLB7P X-Message-ID-Hash: LHFZONAUJYWFRRW3VTCMOMTI7MCKLB7P X-Mailman-Approved-At: Sat, 22 Jul 2023 17:10:51 +0000 X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On Thu, Jul 20, 2023 at 02:29:14PM +0300, Nikita Shubin via B4 Relay wrote: > From: Nikita Shubin > > Implement the reset behaviour of the various EP93xx SoCS in drivers/power/reset. > > It used to be located in arch/arm/mach-ep93xx. ... > +// SPDX-License-Identifier: (GPL-2.0) Are you sure this is correct form? Have you checked your patches? ... > +#include Do you need this? Or maybe you need another (of*.h) one? ... > + /* Issue the reboot */ > + ep93xx_devcfg_set_clear(priv->map, EP93XX_SYSCON_DEVCFG_SWRST, 0x00); > + ep93xx_devcfg_set_clear(priv->map, 0x00, EP93XX_SYSCON_DEVCFG_SWRST); > + mdelay(1000); Atomic?! Such a huge delay must be explained, esp. why it's atomic. > + pr_emerg("Unable to restart system\n"); > + return NOTIFY_DONE; ... > + err = register_restart_handler(&priv->restart_handler); > + if (err) > + return dev_err_probe(dev, err, "can't register restart notifier\n"); > + return err; return 0; -- With Best Regards, Andy Shevchenko