From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752615AbbIRGt2 (ORCPT ); Fri, 18 Sep 2015 02:49:28 -0400 Received: from mailout3.samsung.com ([203.254.224.33]:42996 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751433AbbIRGt0 (ORCPT ); Fri, 18 Sep 2015 02:49:26 -0400 X-AuditID: cbfee68f-f793b6d000005f66-f0-55fbb3e3ed1a Date: Fri, 18 Sep 2015 15:49:03 +0900 From: Inha Song To: Charles Keepax Cc: lee.jones@linaro.org, broonie@kernel.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, patches@opensource.wolfsonmicro.com, sameo@linux.intel.com Subject: Re: [alsa-devel] [PATCH] mfd: arizona: Call the runtime PM function if the state is runtime resumed Message-id: <20150918154903.549cf6d0@songinha-Samsung-DeskTop-System> In-reply-to: <20150917091632.GC7694@ck-lbox> References: <1442478527-29304-1-git-send-email-ideal.song@samsung.com> <20150917082542.GB7694@ck-lbox> <20150917180530.346232ce@songinha-Samsung-DeskTop-System> <20150917091632.GC7694@ck-lbox> X-Mailer: Claws Mail 3.8.0 (GTK+ 2.24.10; i686-pc-linux-gnu) MIME-version: 1.0 Content-type: text/plain; charset=US-ASCII Content-transfer-encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrOIsWRmVeSWpSXmKPExsWyRsSkSPfx5t+hBvNa1CyuXDzEZDH14RM2 i39TbrBb3P96lNHi8q45bBbL3/5nszjdzerA7rHhcxObx6ZVnWwed67tYfOYdzLQ4+XE32we nzfJBbBFcdmkpOZklqUW6dslcGXc79/GWPBBvGJb/3PmBsZWkS5GTg4JAROJL5cbmSFsMYkL 99azdTFycQgJrGCUeL23hwWmaPn7Q8wQiaWMEq/2/mKBcFqYJLY8+McGUsUioCpxfNJjRhCb TUBD4vvnzWBjRQQsJKYsuQXWzSywnFHi8qIdQEUcHMICeRJv+qtAangFXCW2zb0Gto1TQEei fVIH2BwhgWOMEoeuaUJcYSOxeuc6Zoh6QYkfk++B1TMLaEls3tbECmHLS2xe8xZsl4TANXaJ O0uaWCCOE5D4NvkQC8heCQFZiU0HoF6WlDi44gbLBEaxWUjGzkIydhaSsQsYmVcxiqYWJBcU J6UXGesVJ+YWl+al6yXn525iBMbf6X/P+ncw3j1gfYhRgINRiYfXw+N3qBBrYllxZe4hRlOg KyYyS4km5wOjPK8k3tDYzMjC1MTU2Mjc0kxJnHeh1M9gIYH0xJLU7NTUgtSi+KLSnNTiQ4xM HJxSDYztm/kMXz3ZprJq43bxLc+Mt7hOkZTWm1Tjt93XdE9Rs0XkP8cT3hqcVQ/Dtitc0xER EONNNRduSr+qNoVLZOmeNZ5sNheqdCPK95aL8K/9NIl94jkp8Y5wzhdFKwo8Iq+aflqw3+Xm spb5UjeUvZLmuEzJvfzIciq/XGXa3VWNjo+EnF7qSyuxFGckGmoxFxUnAgAwEI1tugIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrCIsWRmVeSWpSXmKPExsVy+t9jAd3Hm3+HGpzarGBx5eIhJoupD5+w WfybcoPd4v7Xo4wWl3fNYbNY/vY/m8XpblYHdo8Nn5vYPDat6mTzuHNtD5vHvJOBHi8n/mbz +LxJLoAtqoHRJiM1MSW1SCE1Lzk/JTMv3VbJOzjeOd7UzMBQ19DSwlxJIS8xN9VWycUnQNct MwfoFCWFssScUqBQQGJxsZK+HaYJoSFuuhYwjRG6viFBcD1GBmggYQ1jxv3+bYwFH8QrtvU/ Z25gbBXpYuTkkBAwkVj+/hAzhC0mceHeerYuRi4OIYGljBKv9v5igXBamCS2PPjHBlLFIqAq cXzSY0YQm01AQ+L7581g3SICFhJTltxiBmlgFljOKHF50Q6gIg4OYYE8iTf9VSA1vAKuEtvm XmMBsTkFdCTaJ3WAzRESOMYoceiaJsQVNhKrd65jhqgXlPgx+R5YPbOAlsTmbU2sELa8xOY1 b5knMArMQlI2C0nZLCRlCxiZVzFKpBYkFxQnpeca5aWW6xUn5haX5qXrJefnbmIEx/gz6R2M h3e5H2IU4GBU4uFd4PU7VIg1say4MvcQowQHs5IIL88CoBBvSmJlVWpRfnxRaU5q8SFGU2CA TGSWEk3OB6afvJJ4Q2MTMyNLI3NDCyNjcyVxXtmVz0KFBNITS1KzU1MLUotg+pg4OKUaGBkW z3m/Ic/rYqJIQP3JBD1t9SwNFo+3XbrvD339Nm/BlvVJnrvMXz5ba/21eIfy97YW5bqugMcm 765fy0mcLjLBb9GGfCYf992v3muoGTfcuntb+Vz0kg+WkimMbDHb2KI2zm7sfeL7/0VNStBC Sbty5oUn33kcVb6TaJHb51Eh/NuV8QrPeSWW4oxEQy3mouJEAGBdrjsHAwAA DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, I just change dev_err() to dev_info() in arizona-core. root@localhost:~# aplay test.wav [ 42.731358] arizona spi1.0: Leaving AoD mode .... [ 42.823514] s3c64xx_spi_runtime_resume [ 42.828270] arizona spi1.0: ASRC underclocked [ 42.828281] s3c64xx_spi_runtime_suspend .... -> suspend () [ 72.398152] arizona spi1.0: Suspend, disabling IRQ [ 72.410471] s3c64xx_spi_runtime_resume [ 72.429045] s3c64xx_spi_suspend -> spi suspended [ 72.429905] PM: suspend of devices complete after 67.309 msecs [ 72.440084] arizona spi1.0: Late suspend, reenabling IRQ -> try to access spi irq after spi suspend() [ 72.440165] arizona spi1.0: Failed to read IRQ status: -108 [ 72.440174] arizona spi1.0: Failed to read main IRQ status: -108 [ 72.440242] arizona spi1.0: Failed to read IRQ status: -108 [ 72.440249] arizona spi1.0: Failed to read main IRQ status: -108 [ 72.440275] arizona spi1.0: Failed to read IRQ status: -108 [ 72.440282] arizona spi1.0: Failed to read main IRQ status: -108 [ 72.440304] arizona spi1.0: Failed to read IRQ status: -108 .... [ 72.465525] s3c64xx_spi_resume [ 72.650760] arizona spi1.0: Late resume, reenabling IRQ [ 72.650819] [] dump_backtrace+0x0/0x12c [ 72.650824] [] show_stack+0x10/0x1c [ 72.650832] [] dump_stack+0x78/0xc8 [ 72.650838] [] warn_slowpath_common+0x98/0xd0 [ 72.650842] [] warn_slowpath_fmt+0x4c/0x58 [ 72.650847] [] __enable_irq+0x40/0x8c [ 72.650851] [] enable_irq+0x34/0x74 [ 72.650858] [] arizona_resume+0x24/0x38 [ 72.650865] [] dpm_run_callback+0x50/0x1a0 [ 72.650870] [] device_resume+0x90/0x268 [ 72.650874] [] dpm_resume+0x120/0x350 [ 72.650878] [] dpm_resume_end+0x10/0x28 [ 72.650884] [] suspend_devices_and_enter+0x138/0x7f4 [ 72.650887] [] pm_suspend+0x314/0x5bc [ 72.650893] [] state_store+0x7c/0xf0 [ 72.650901] [] kobj_attr_store+0x10/0x24 [ 72.650910] [] sysfs_kf_write+0x40/0x4c [ 72.650914] [] kernfs_fop_write+0xb8/0x180 [ 72.650922] [] __vfs_write+0x2c/0x11c [ 72.650926] [] vfs_write+0x90/0x170 [ 72.650931] [] SyS_write+0x40/0xa0 ----- This irq failed errors are occured in enable_irq() that in arizona_suspend_late(). Becase of access the irq after spi suspend. (arizona->irq == spi->irq) Best Regards, Inha Song. On Thu, 17 Sep 2015 10:16:32 +0100 Charles Keepax wrote: > > OK so this is definitely that the SPI driver hasn't resumed > yet. Could we also get DEBUG turned on in arizona-core here. I am > interested to check where in the process the arizona > suspend/resume ops are being called. > > Thanks, > Charles