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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 2BF96C4345F for ; Wed, 24 Apr 2024 16:47:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Nx+r5CTgntvJU+Y6KQRJ6o4h2+nihTI66+GfTqI4aA4=; b=iRVGt6wQRlieJe 6T3JvGu1i+gQ1OJB6cRy/rcW7foOi+5/hwMxuNYR4VZoZGJ2L2tk2zRqkr10c38hs/D7ORawNQydU kULcA93lf8OLZpTzj2DyagipP2NtQqNC6vA8zQVzO1y33V5C/vnie5WLM7YjAUYqEe3NYhP1xnxB3 SeXcc4uqbvarE3/UnhgByB9wdFJtNpfg95xVaGOtscFSg1h2HOQQv0XuAmKPHLaRNRskuWUMkaNWS ja7e/nWg0w5lb6TVf0kRKh6w9sELNlse5FIpg+jCqjwFsCVtu6beFki7u3vjI/ZRdsCiumeprwMf2 czRGcR5UGmjcvHk9I53g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rzfmY-000000050lw-2ZmD; Wed, 24 Apr 2024 16:47:42 +0000 Received: from mail11.truemail.it ([2001:4b7e:0:8::81]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rzfmT-000000050kT-2k0n for linux-arm-kernel@lists.infradead.org; Wed, 24 Apr 2024 16:47:40 +0000 Received: from francesco-nb (31-10-206-125.static.upc.ch [31.10.206.125]) by mail11.truemail.it (Postfix) with ESMTPA id 6A9651F91A; Wed, 24 Apr 2024 18:47:30 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1713977250; bh=CEyIxy0Pu5MvS9161KdT+XnMhANEJ56b0Hj+87k4Oac=; h=From:To:Subject; b=rgIlnbQPeqqHdzuyHXQ3WE4jCmOjVnzJgOftURdCJxnddar+i3SfncEERDq1GxQ75 GqNrEsEPtIVh5gxeb/V6jhIq9t/ohR17vmJ2vU04BcYWrWY1YnJcgNEL0t/JivefPS v5tNAE9STFF5xy5GFMD2DebOHrAaOC9rxt4PRGA/CSljkdn2UJPeUZwswIvUbpAU4z MxTKeuijoCKnOE3AS6+zZ0FClOOHcKy6CpNcKknHrPKTtzmWDUY9+nVX1hAuATgWcB zeglH+Dul3AzPj7ykrjkw7idf5QCeOIy5f+ocEjd8FqsGmQCdjYSODOSbnKgocBSY/ Tig4Kupqo2Cfg== Date: Wed, 24 Apr 2024 18:47:25 +0200 From: Francesco Dolcini To: Shengjiu Wang Cc: abelvesa@kernel.org, peng.fan@nxp.com, mturquette@baylibre.com, sboyd@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, shengjiu.wang@gmail.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4] clk: imx: imx8mp: Add pm_runtime support for power saving Message-ID: <20240424164725.GA18760@francesco-nb> References: <1711026842-7268-1-git-send-email-shengjiu.wang@nxp.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1711026842-7268-1-git-send-email-shengjiu.wang@nxp.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240424_094738_773548_486A661F X-CRM114-Status: UNSURE ( 6.93 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Mar 21, 2024 at 09:14:02PM +0800, Shengjiu Wang wrote: > Add pm_runtime support for power saving. In pm runtime suspend > state the registers will be reseted, so add registers save > in pm runtime suspend and restore them in pm runtime resume. > > Signed-off-by: Shengjiu Wang > Reviewed-by: Peng Fan Is this introducing a regression? 800 13:50:19.713052 <6>[ 16.531134] clk: Disabling unused clocks 801 13:50:19.727524 <2>[ 16.535413] SError Interrupt on CPU2, code 0x00000000bf000002 -- SError 802 13:50:19.731400 <4>[ 16.535421] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc5-next-20240424 #1 803 13:50:19.742514 <4>[ 16.535428] Hardware name: Toradex Verdin iMX8M Plus on Dahlia Board (DT) 804 13:50:19.747157 <4>[ 16.535431] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) 805 13:50:19.758468 <4>[ 16.535442] pc : clk_imx8mp_audiomix_runtime_resume+0x24/0x48 806 13:50:19.759372 <4>[ 16.535456] lr : pm_generic_runtime_resume+0x2c/0x44 807 13:50:19.759587 <4>[ 16.535465] sp : ffff800082b8bb90 808 13:50:19.774512 <4>[ 16.535468] x29: ffff800082b8bb90 x28: 0000000000000000 x27: 0000000000000000 809 13:50:19.775367 <4>[ 16.535482] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 810 13:50:19.790567 <4>[ 16.535495] x23: ffff0000c0f7a4e0 x22: ffff0000c26922f8 x21: 0000000000000000 811 13:50:19.791308 <4>[ 16.535508] x20: ffff0000c2692000 x19: ffff0000c0e30c10 x18: 0000000000000000 812 13:50:19.794834 <4>[ 16.535521] x17: 000000007e4712cb x16: ffff80008296f800 x15: 0000000000000030 813 13:50:19.807341 <4>[ 16.535532] x14: ffff0000c00b8080 x13: 00000000000003f9 x12: 0000000000000000 814 13:50:19.810740 <4>[ 16.535545] x11: 0000000000000000 x10: 0000000000000aa0 x9 : ffff800082b8bb20 815 13:50:19.822528 <4>[ 16.535559] x8 : ffff0000c00b8b00 x7 : 0000000000000000 x6 : ffff0000c00b8000 816 13:50:19.827173 <4>[ 16.535570] x5 : ffff8000836b0000 x4 : ffff0000c2f3a488 x3 : ffff8000813660d0 817 13:50:19.838446 <4>[ 16.535583] x2 : 0000000000000004 x1 : 0000000000000001 x0 : 00000000ff777777 818 13:50:19.839321 <0>[ 16.535597] Kernel panic - not syncing: Asynchronous SError Interrupt 819 13:50:19.839983 Matched prompt #9: Kernel panic - not syncing 820 13:50:19.840155 Setting prompt string to ['end Kernel panic[^\\r]*\\r', '/ #', 'Login timed out', 'Login incorrect'] 821 13:50:19.854524 <4>[ 16.535601] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc5-next-20240424 #1 822 13:50:19.855261 <4>[ 16.535609] Hardware name: Toradex Verdin iMX8M Plus on Dahlia Board (DT) 823 13:50:19.858660 <4>[ 16.535613] Call trace: 824 13:50:19.870455 <4>[ 16.535616] dump_backtrace+0x94/0xec 825 13:50:19.870763 <4>[ 16.535626] show_stack+0x18/0x24 826 13:50:19.871258 <4>[ 16.535635] dump_stack_lvl+0x38/0x90 827 13:50:19.874714 <4>[ 16.535647] dump_stack+0x18/0x24 828 13:50:19.874964 <4>[ 16.535656] panic+0x388/0x3c8 829 13:50:19.886551 <4>[ 16.535667] nmi_panic+0x48/0x94 830 13:50:19.888318 <4>[ 16.535679] arm64_serror_panic+0x6c/0x78 831 13:50:19.888531 <4>[ 16.535688] do_serror+0x3c/0x78 832 13:50:19.892592 <4>[ 16.535693] el1h_64_error_handler+0x30/0x48 833 13:50:19.902540 <4>[ 16.535703] el1h_64_error+0x64/0x68 834 13:50:19.903437 <4>[ 16.535709] clk_imx8mp_audiomix_runtime_resume+0x24/0x48 835 13:50:19.907712 <4>[ 16.535719] __genpd_runtime_resume+0x30/0xa8 836 13:50:19.918505 <4>[ 16.535729] genpd_runtime_resume+0xb4/0x29c 837 13:50:19.918770 <4>[ 16.535741] __rpm_callback+0x48/0x198 838 13:50:19.919372 <4>[ 16.535749] rpm_callback+0x68/0x74 839 13:50:19.922715 <4>[ 16.535754] rpm_resume+0x3cc/0x680 840 13:50:19.934495 <4>[ 16.535762] __pm_runtime_resume+0x4c/0x90 841 13:50:19.934784 <4>[ 16.535769] clk_pm_runtime_get_all+0x58/0x164 842 13:50:19.935344 <4>[ 16.535780] clk_disable_unused+0x2c/0x178 843 13:50:19.938873 <4>[ 16.535793] do_one_initcall+0x6c/0x1b0 844 13:50:19.950539 <4>[ 16.535799] kernel_init_freeable+0x1c8/0x290 845 13:50:19.951360 <4>[ 16.535812] kernel_init+0x20/0x1dc 846 13:50:19.951585 <4>[ 16.535821] ret_from_fork+0x10/0x20 847 13:50:19.954803 <2>[ 16.535831] SMP: stopping secondary CPUs 848 13:50:19.966688 <0>[ 16.535838] Kernel Offset: disabled 849 13:50:19.967221 <0>[ 16.535841] CPU features: 0x0,00000040,00100000,4200421b 850 13:50:19.967360 <0>[ 16.535845] Memory Limit: none 851 13:50:19.985117 <0>[ 16.788060] ---[ end Kernel panic - not syncing: Asynchronous SError Interrupt ]--- from https://storage.kernelci.org/next/master/next-20240424/arm64/defconfig/gcc-10/lab-broonie/baseline-imx8mp-verdin-nonwifi-dahlia.html https://lore.kernel.org/all/66293535.170a0220.21fe.a2e7@mx.google.com/ Francesco _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel