Hi Geert, On Thursday 18 February 2016 10:17:16 Geert Uytterhoeven wrote: > On Thu, Feb 18, 2016 at 10:01 AM, Kuninori Morimoto wrote: > >>>> I tried this patch, but It didn't use this printk(). > >>>> Am I wrong ? > >>>> > >>>> ------------- > >>>> diff --git a/drivers/regulator/da9210-regulator.c > >>>> b/drivers/regulator/da9210-regulator.c index 01c0e37..85c1166 100644 > >>>> --- a/drivers/regulator/da9210-regulator.c > >>>> +++ b/drivers/regulator/da9210-regulator.c > >>>> @@ -167,6 +167,8 @@ static irqreturn_t da9210_irq_handler(int irq, > >>>> void *data) > >>>> goto error_i2c; > >>>> > >>>> ret = IRQ_HANDLED; > >>>> + } else if (val != handled) { > >>>> + printk("---val %x : %x\n", val, handled); > >>>> } > >>> > >>> That's what I meant. > >>> Do you still see the "irq 311: nobody cared"? > >>> Do you have the DA9210 driver enabled? > > > > You can reproduce it by > > > > > git checkout git checkout renesas-drivers-2016-02-09-v4.5-rc3 > > > cp ${Laurent's .config} ${LINUX} > > I don't have Laurent's config, and only remote access to Lager. > > > and boot, and wait few second > > Da9210 and da9063 share the same interrupt. Perhaps da9063 is keeping > the interrupt line asserted? > > Do you have the DA9063 driver enabled? I had CONFIG_REGULATOR_DA9210 enabled but CONFIG_REGULATOR_DA9063 disabled. After enabling CONFIG_REGULATOR_DA9063 the unhandled interrupt problem goes away. I however got the following different (and totally unrelated as far as I can see) warning once: [ 310.252577] ------------[ cut here ]------------ [ 310.257226] WARNING: CPU: 3 PID: 608 at /home/laurent/src/iob/renesas/linux/net/ipv4/af_inet.c:155 inet_sock_destruct+0x188/0x1d8() [ 310.269088] Modules linked in: mmc_block rcar_jpu v4l2_mem2mem sata_rcar libata rcar_vin scsi_mod sh_mobile_sdhi soc_camera sh_mmcif tmio_mmc_core soc_mediabus mmc_core videobuf_core soc_scale_crop(Pa [ 310.294680] CPU: 3 PID: 608 Comm: kworker/3:1H Tainted: P 4.5.0-rc3-00463-gd57d2d31ebee #581 [ 310.304431] Hardware name: Generic R8A7790 (Flattened Device Tree) [ 310.310625] Workqueue: rpciod xprt_autoclose [ 310.314908] Backtrace: [ 310.317380] [<c0014c38>] (dump_backtrace) from [<c0014f50>] (show_stack+0x20/0x24) [ 310.324959] r6:c05be48c r5:00000000 r4:60000013 r3:e9a62000 [ 310.330669] [<c0014f30>] (show_stack) from [<c01ed99c>] (dump_stack+0x8c/0xac) [ 310.337906] [<c01ed910>] (dump_stack) from [<c002aab0>] (warn_slowpath_common+0x88/0xc4) [ 310.346006] r5:0000009b r4:00000000 [ 310.349606] [<c002aa28>] (warn_slowpath_common) from [<c002ab18>] (warn_slowpath_null+0x2c/0x34) [ 310.358400] r8:e9a248d8 r7:ea375364 r6:e9a248c4 r5:e9a248d8 r4:e9a247c0 [ 310.365156] [<c002aaec>] (warn_slowpath_null) from [<c0405d24>] (inet_sock_destruct+0x188/0x1d8) [ 310.373958] [<c0405b9c>] (inet_sock_destruct) from [<c038a2e8>] (sk_destruct+0x28/0x118) [ 310.382057] r6:e9d593c0 r5:e9a248d8 r4:e9a247c0 r3:c0405b9c [ 310.387763] [<c038a2c0>] (sk_destruct) from [<c038a40c>] (__sk_free+0x34/0xc0) [ 310.394994] r5:e9a248d8 r4:e9a247c0 [ 310.398595] [<c038a3d8>] (__sk_free) from [<c038a56c>] (sk_free+0x44/0x48) [ 310.405474] r4:e9a247c0 r3:e9a2486c [ 310.409074] [<c038a528>] (sk_free) from [<c038a6ac>] (sk_common_release+0xf0/0xfc) [ 310.416662] [<c038a5bc>] (sk_common_release) from [<c03f79d8>] (udp_lib_close+0x10/0x14) [ 310.424761] r5:e9d593c0 r4:e9a247c0 [ 310.428367] [<c03f79c8>] (udp_lib_close) from [<c0405a6c>] (inet_release+0x54/0x80) [ 310.436041] [<c0405a18>] (inet_release) from [<c0384914>] (sock_release+0x30/0xac) [ 310.443620] r5:00000000 r4:e9d593c0 [ 310.447224] [<c03848e4>] (sock_release) from [<c0428960>] (xs_reset_transport+0xc4/0x138) [ 310.455411] r5:e9a247c0 r4:ea375000 [ 310.459012] [<c042889c>] (xs_reset_transport) from [<c04289f0>] (xs_close+0x1c/0x30) [ 310.466764] r8:ff7c4300 r7:ea375228 r6:ea375000 r5:ea375278 r4:ea375000 r3:c04289d4 [ 310.474568] [<c04289d4>] (xs_close) from [<c0425de8>] (xprt_autoclose+0x40/0x74) [ 310.481972] r4:ea375244 r3:c04289d4 [ 310.485579] [<c0425da8>] (xprt_autoclose) from [<c004256c>] (process_one_work+0x170/0x430) [ 310.493853] r7:c06a4878 r6:e876da00 r5:ea282880 r4:ea375244 [ 310.499558] [<c00423fc>] (process_one_work) from [<c00428b0>] (worker_thread+0x3c/0x55c) [ 310.507658] r10:e876da00 r9:c0660100 r8:00000008 r7:ea282898 r6:e876da18 r5:e876da00 [ 310.515544] r4:ea282880 [ 310.518096] [<c0042874>] (worker_thread) from [<c004893c>] (kthread+0xf4/0x114) [ 310.525414] r10:00000000 r9:00000000 r8:00000000 r7:c0042874 r6:ea282880 r5:00000000 [ 310.533301] r4:e9948d80 [ 310.535850] [<c0048848>] (kthread) from [<c00119e8>] (ret_from_fork+0x14/0x2c) [ 310.543081] r7:00000000 r6:00000000 r5:c0048848 r4:e9948d80 [ 310.548803] ---[ end trace 02711a72b6e0a70c ]--- -- Regards, Laurent Pinchart