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Date: Thu, 15 Mar 2018 12:43:13 +0000
From: Patrick Brünn <P.Bruenn@...khoff.com>
To: Philipp Zabel <p.zabel@...gutronix.de>
CC: Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <kernel@...gutronix.de>,
Fabio Estevam <fabio.estevam@....com>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
linux-kernel-dev <linux-kernel-dev@...khoff.com>
Subject: Re: [PATCH] clk: imx51: uart4, uart5 gates only exist on imx50,
imx53
Hi list,
since v4.16-rc1 my board imx53-cx9020 shows multiple WARNINGs like this:
[ 0.408673] ------------[ cut here ]------------
[ 0.408713] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:811 clk_core_disable+0x1ac/0x1b0
[ 0.408717] Modules linked in:
[ 0.408736] CPU: 0 PID: 1 Comm: swapper Not tainted 4.16.0-rc5 #312
[ 0.408741] Hardware name: Freescale i.MX53 (Device Tree Support)
[ 0.408777] [<c011057c>] (unwind_backtrace) from [<c010db3c>] (show_stack+0x20/0x24)
[ 0.408792] [<c010db3c>] (show_stack) from [<c07a0034>] (dump_stack+0x24/0x28)
[ 0.408808] [<c07a0034>] (dump_stack) from [<c012b524>] (__warn+0x100/0x118)
[ 0.408820] [<c012b524>] (__warn) from [<c012b62c>] (warn_slowpath_null+0x50/0x58)
[ 0.408831] [<c012b62c>] (warn_slowpath_null) from [<c0475550>] (clk_core_disable+0x1ac/0x1b0)
[ 0.408845] [<c0475550>] (clk_core_disable) from [<c0475858>] (clk_core_disable_lock+0x28/0x34)
[ 0.408857] [<c0475858>] (clk_core_disable_lock) from [<c0475890>] (clk_disable+0x2c/0x30)
[ 0.408872] [<c0475890>] (clk_disable) from [<c0b2c128>] (imx_clk_disable_uart+0x5c/0x70)
[ 0.408887] [<c0b2c128>] (imx_clk_disable_uart) from [<c01029a4>] (do_one_initcall+0x64/0x19c)
[ 0.408905] [<c01029a4>] (do_one_initcall) from [<c0b00fac>] (kernel_init_freeable+0x14c/0x1e0)
[ 0.408920] [<c0b00fac>] (kernel_init_freeable) from [<c07b5a30>] (kernel_init+0x18/0x124)
[ 0.408932] [<c07b5a30>] (kernel_init) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[ 0.408938] Exception stack(0xdf90dfb0 to 0xdf90dff8)
[ 0.408946] dfa0: 00000000 00000000 00000000 00000000
[ 0.408955] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 0.408963] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 0.408968] ---[ end trace 6801852caf2a2e4e ]---
At first I suspected the new rtc-mxc_v2 driver, but even with CONFIG_RTC_DRV_MXC_V2 not set
I get the same WARNINGs.
Reverting commit 59dc3d8c867370b4860c9df3eb5483da46823a4b made them disappear (w/o rtc driver).
I have no idea what's happening, as CX9020 is using uart2. Do you have an idea?
Thanks and regards,
Patrick
p.s.: full kernel log:
dmesg
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 4.16.0-rc5 (patrickbr@...1) (gcc version 6.3.0 20170516 (Debian 6.3.0-18)) #312 PREEMPT Thu Mar 15 13:20:28 CET 2018
[ 0.000000] CPU: ARMv7 Processor [412fc085] revision 5 (ARMv7), cr=10c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] OF: fdt: Machine model: Beckhoff CX9020 Embedded PC
[ 0.000000] Memory policy: Data cache writeback
[ 0.000000] cma: Reserved 16 MiB at 0xcf000000
[ 0.000000] On node 0 totalpages: 262144
[ 0.000000] Normal zone: 1152 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 131072 pages, LIFO batch:31
[ 0.000000] HighMem zone: 131072 pages, LIFO batch:31
[ 0.000000] CPU: All CPU(s) started in SVC mode.
[ 0.000000] random: fast init done
[ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
[ 0.000000] pcpu-alloc: [0] 0
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260992
[ 0.000000] Kernel command line: console=ttymxc1,115200 libphy.num_phys=2 console=tty0 quiet root=/dev/mmcblk0p1 ro rootfstype=ext4 rootwait fixrtc
[ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
[ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 0.000000] Memory: 1009948K/1048576K available (7168K kernel code, 542K rwdata, 2280K rodata, 1024K init, 690K bss, 22244K reserved, 16384K cma-reserved, 507904K highmem)
[ 0.000000] Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
vmalloc : 0xe0800000 - 0xff800000 ( 496 MB)
lowmem : 0xc0000000 - 0xe0000000 ( 512 MB)
pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
.text : 0x(ptrval) - 0x(ptrval) (8160 kB)
.init : 0x(ptrval) - 0x(ptrval) (1024 kB)
.data : 0x(ptrval) - 0x(ptrval) ( 543 kB)
.bss : 0x(ptrval) - 0x(ptrval) ( 691 kB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] ftrace: allocating 24415 entries in 72 pages
[ 0.000000] Preemptible hierarchical RCU implementation.
[ 0.000000] Tasks RCU enabled.
[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[ 0.000000] TrustZone Interrupt Controller (TZIC) initialized
[ 0.000000] CPU identified as i.MX53, unknown revision
[ 0.000000] Switching to timer-based delay loop, resolution 29ns
[ 0.000010] sched_clock: 32 bits at 33MHz, resolution 29ns, wraps every 64424507889ns
[ 0.000023] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 57337812242 ns
[ 0.000697] Console: colour dummy device 80x30
[ 0.000716] console [tty0] enabled
[ 0.000746] Calibrating delay loop (skipped), value calculated using timer frequency.. 66.66 BogoMIPS (lpj=333333)
[ 0.000761] pid_max: default: 32768 minimum: 301
[ 0.001062] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.001075] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.001910] CPU: Testing write buffer coherency: ok
[ 0.002695] Setting up static identity map for 0x70100000 - 0x7010003c
[ 0.002865] Hierarchical SRCU implementation.
[ 0.006423] devtmpfs: initialized
[ 0.011240] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 2
[ 0.011525] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.011544] futex hash table entries: 256 (order: -1, 3072 bytes)
[ 0.012785] pinctrl core: initialized pinctrl subsystem
[ 0.013833] NET: Registered protocol family 16
[ 0.015747] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.019106] hw-breakpoint: debug architecture 0x4 unsupported.
[ 0.022635] imx53-pinctrl 53fa8000.iomuxc: initialized IMX pinctrl driver
[ 0.043050] SCSI subsystem initialized
[ 0.043379] libata version 3.00 loaded.
[ 0.043626] usbcore: registered new interface driver usbfs
[ 0.043678] usbcore: registered new interface driver hub
[ 0.043759] usbcore: registered new device driver usb
[ 0.043919] usb_phy_generic usbphy-0: usbphy-0 supply vcc not found, using dummy regulator
[ 0.044105] usb_phy_generic usbphy-1: usbphy-1 supply vcc not found, using dummy regulator
[ 0.044921] i2c i2c-1: IMX I2C adapter registered
[ 0.044938] i2c i2c-1: can't use DMA, using PIO instead.
[ 0.045040] pps_core: LinuxPPS API ver. 1 registered
[ 0.045046] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@...ux.it>
[ 0.045065] PTP clock support registered
[ 0.046347] clocksource: Switched to clocksource mxc_timer1
[ 0.119772] NET: Registered protocol family 2
[ 0.120518] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes)
[ 0.120545] TCP established hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.120584] TCP bind hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.120621] TCP: Hash tables configured (established 4096 bind 4096)
[ 0.120772] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.120788] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.120942] NET: Registered protocol family 1
[ 0.121589] hw perfevents: no interrupt-affinity property for /pmu, guessing.
[ 0.121681] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available
[ 0.123109] workingset: timestamp_bits=14 max_order=18 bucket_order=4
[ 0.128601] zbud: loaded
[ 0.130396] fuse init (API version 7.26)
[ 0.135702] bounce: pool size: 64 pages
[ 0.135815] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
[ 0.136033] io scheduler noop registered
[ 0.136040] io scheduler deadline registered
[ 0.136453] io scheduler cfq registered (default)
[ 0.136463] io scheduler mq-deadline registered
[ 0.139061] imx-sdma 63fb0000.sdma: Direct firmware load for imx/sdma/sdma-imx53.bin failed with error -2
[ 0.139073] imx-sdma 63fb0000.sdma: Falling back to user helper
[ 0.141381] Serial: 8250/16550 driver, 6 ports, IRQ sharing disabled
[ 0.143414] 53fc0000.serial: ttymxc1 at MMIO 0x53fc0000 (irq = 48, base_baud = 4166666) is a IMX
[ 0.143679] console [ttymxc1] enabled
[ 0.145425] tfp410-bridge dvi-converter: Connector's ddc i2c bus found
[ 0.146948] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 0.146957] [drm] No driver support for vblank timestamp query.
[ 0.147158] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops)
[ 0.147260] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops)
[ 0.147371] imx-drm display-subsystem: bound display-0 (ops imx_pd_ops)
[ 0.260163] Console: switching to colour frame buffer device 240x75
[ 0.275934] imx-drm display-subsystem: fb0: frame buffer device
[ 0.276637] [drm] Initialized imx-drm 1.0.0 20120507 for display-subsystem on minor 0
[ 0.276686] imx-ipuv3 18000000.ipu: IPUv3M probed
[ 0.278061] libphy: Fixed MDIO Bus: probed
[ 0.278975] fec 63fec000.ethernet: 63fec000.ethernet supply phy not found, using dummy regulator
[ 0.286076] libphy: fec_enet_mii_bus: probed
[ 0.287846] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 0.287873] ehci-platform: EHCI generic platform driver
[ 0.292128] ci_hdrc ci_hdrc.0: doesn't support gadget
[ 0.292140] ci_hdrc ci_hdrc.0: no supported roles
[ 0.300260] ci_hdrc ci_hdrc.1: EHCI Host Controller
[ 0.300513] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1
[ 0.326390] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
[ 0.326667] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 0.326676] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.326683] usb usb1: Product: EHCI Host Controller
[ 0.326689] usb usb1: Manufacturer: Linux 4.16.0-rc5 ehci_hcd
[ 0.326696] usb usb1: SerialNumber: ci_hdrc.1
[ 0.327293] hub 1-0:1.0: USB hub found
[ 0.327340] hub 1-0:1.0: 1 port detected
[ 0.328670] mousedev: PS/2 mouse device common for all mice
[ 0.328678] i2c /dev entries driver
[ 0.329890] imx2-wdt 53f98000.wdog: timeout 60 sec (nowayout=1)
[ 0.330272] sdhci: Secure Digital Host Controller Interface driver
[ 0.330277] sdhci: Copyright(c) Pierre Ossman
[ 0.330281] sdhci-pltfm: SDHCI platform and OF driver helper
[ 0.330982] sdhci-esdhc-imx 50004000.esdhc: Got CD GPIO
[ 0.356584] mmc0: SDHCI controller on 50004000.esdhc [50004000.esdhc] using ADMA
[ 0.357342] sdhci-esdhc-imx 50008000.esdhc: Got CD GPIO
[ 0.382616] mmc1: SDHCI controller on 50008000.esdhc [50008000.esdhc] using ADMA
[ 0.383766] hidraw: raw HID events driver (C) Jiri Kosina
[ 0.384195] usbcore: registered new interface driver usbhid
[ 0.384201] usbhid: USB HID core driver
[ 0.385807] NET: Registered protocol family 10
[ 0.387827] Segment Routing with IPv6
[ 0.387906] mip6: Mobile IPv6
[ 0.387922] NET: Registered protocol family 17
[ 0.387964] Key type dns_resolver registered
[ 0.388149] ThumbEE CPU extension supported.
[ 0.388742] registered taskstats version 1
[ 0.388946] zswap: loaded using pool lzo/zbud
[ 0.390385] Key type encrypted registered
[ 0.391467] mmc0: host does not support reading read-only switch, assuming write-enable
[ 0.394571] mmc0: new high speed SD card at address b368
[ 0.396122] mmcblk0: mmc0:b368 AF UD 471 MiB
[ 0.405724] hctosys: unable to open rtc device (rtc0)
[ 0.406481] mmcblk0: p1
[ 0.408673] ------------[ cut here ]------------
[ 0.408713] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:811 clk_core_disable+0x1ac/0x1b0
[ 0.408717] Modules linked in:
[ 0.408736] CPU: 0 PID: 1 Comm: swapper Not tainted 4.16.0-rc5 #312
[ 0.408741] Hardware name: Freescale i.MX53 (Device Tree Support)
[ 0.408777] [<c011057c>] (unwind_backtrace) from [<c010db3c>] (show_stack+0x20/0x24)
[ 0.408792] [<c010db3c>] (show_stack) from [<c07a0034>] (dump_stack+0x24/0x28)
[ 0.408808] [<c07a0034>] (dump_stack) from [<c012b524>] (__warn+0x100/0x118)
[ 0.408820] [<c012b524>] (__warn) from [<c012b62c>] (warn_slowpath_null+0x50/0x58)
[ 0.408831] [<c012b62c>] (warn_slowpath_null) from [<c0475550>] (clk_core_disable+0x1ac/0x1b0)
[ 0.408845] [<c0475550>] (clk_core_disable) from [<c0475858>] (clk_core_disable_lock+0x28/0x34)
[ 0.408857] [<c0475858>] (clk_core_disable_lock) from [<c0475890>] (clk_disable+0x2c/0x30)
[ 0.408872] [<c0475890>] (clk_disable) from [<c0b2c128>] (imx_clk_disable_uart+0x5c/0x70)
[ 0.408887] [<c0b2c128>] (imx_clk_disable_uart) from [<c01029a4>] (do_one_initcall+0x64/0x19c)
[ 0.408905] [<c01029a4>] (do_one_initcall) from [<c0b00fac>] (kernel_init_freeable+0x14c/0x1e0)
[ 0.408920] [<c0b00fac>] (kernel_init_freeable) from [<c07b5a30>] (kernel_init+0x18/0x124)
[ 0.408932] [<c07b5a30>] (kernel_init) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[ 0.408938] Exception stack(0xdf90dfb0 to 0xdf90dff8)
[ 0.408946] dfa0: 00000000 00000000 00000000 00000000
[ 0.408955] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 0.408963] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 0.408968] ---[ end trace 6801852caf2a2e4e ]---
[ 0.408974] ------------[ cut here ]------------
[ 0.408985] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:684 clk_core_unprepare+0x1a8/0x1c0
[ 0.408988] Modules linked in:
[ 0.408999] CPU: 0 PID: 1 Comm: swapper Tainted: G W 4.16.0-rc5 #312
[ 0.409003] Hardware name: Freescale i.MX53 (Device Tree Support)
[ 0.409014] [<c011057c>] (unwind_backtrace) from [<c010db3c>] (show_stack+0x20/0x24)
[ 0.409024] [<c010db3c>] (show_stack) from [<c07a0034>] (dump_stack+0x24/0x28)
[ 0.409034] [<c07a0034>] (dump_stack) from [<c012b524>] (__warn+0x100/0x118)
[ 0.409043] [<c012b524>] (__warn) from [<c012b62c>] (warn_slowpath_null+0x50/0x58)
[ 0.409054] [<c012b62c>] (warn_slowpath_null) from [<c04751e8>] (clk_core_unprepare+0x1a8/0x1c0)
[ 0.409067] [<c04751e8>] (clk_core_unprepare) from [<c0476714>] (clk_unprepare+0x34/0x3c)
[ 0.409078] [<c0476714>] (clk_unprepare) from [<c0b2c130>] (imx_clk_disable_uart+0x64/0x70)
[ 0.409089] [<c0b2c130>] (imx_clk_disable_uart) from [<c01029a4>] (do_one_initcall+0x64/0x19c)
[ 0.409100] [<c01029a4>] (do_one_initcall) from [<c0b00fac>] (kernel_init_freeable+0x14c/0x1e0)
[ 0.409110] [<c0b00fac>] (kernel_init_freeable) from [<c07b5a30>] (kernel_init+0x18/0x124)
[ 0.409120] [<c07b5a30>] (kernel_init) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[ 0.409125] Exception stack(0xdf90dfb0 to 0xdf90dff8)
[ 0.409132] dfa0: 00000000 00000000 00000000 00000000
[ 0.409141] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 0.409148] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 0.409153] ---[ end trace 6801852caf2a2e4f ]---
[ 0.409158] ------------[ cut here ]------------
[ 0.409166] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:811 clk_core_disable+0x1ac/0x1b0
[ 0.409169] Modules linked in:
[ 0.409178] CPU: 0 PID: 1 Comm: swapper Tainted: G W 4.16.0-rc5 #312
[ 0.409182] Hardware name: Freescale i.MX53 (Device Tree Support)
[ 0.409193] [<c011057c>] (unwind_backtrace) from [<c010db3c>] (show_stack+0x20/0x24)
[ 0.409202] [<c010db3c>] (show_stack) from [<c07a0034>] (dump_stack+0x24/0x28)
[ 0.409211] [<c07a0034>] (dump_stack) from [<c012b524>] (__warn+0x100/0x118)
[ 0.409221] [<c012b524>] (__warn) from [<c012b62c>] (warn_slowpath_null+0x50/0x58)
[ 0.409231] [<c012b62c>] (warn_slowpath_null) from [<c0475550>] (clk_core_disable+0x1ac/0x1b0)
[ 0.409242] [<c0475550>] (clk_core_disable) from [<c0475858>] (clk_core_disable_lock+0x28/0x34)
[ 0.409253] [<c0475858>] (clk_core_disable_lock) from [<c0475890>] (clk_disable+0x2c/0x30)
[ 0.409263] [<c0475890>] (clk_disable) from [<c0b2c128>] (imx_clk_disable_uart+0x5c/0x70)
[ 0.409273] [<c0b2c128>] (imx_clk_disable_uart) from [<c01029a4>] (do_one_initcall+0x64/0x19c)
[ 0.409283] [<c01029a4>] (do_one_initcall) from [<c0b00fac>] (kernel_init_freeable+0x14c/0x1e0)
[ 0.409293] [<c0b00fac>] (kernel_init_freeable) from [<c07b5a30>] (kernel_init+0x18/0x124)
[ 0.409303] [<c07b5a30>] (kernel_init) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[ 0.409307] Exception stack(0xdf90dfb0 to 0xdf90dff8)
[ 0.409314] dfa0: 00000000 00000000 00000000 00000000
[ 0.409323] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 0.409331] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 0.409336] ---[ end trace 6801852caf2a2e50 ]---
[ 0.409340] ------------[ cut here ]------------
[ 0.409349] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:684 clk_core_unprepare+0x1a8/0x1c0
[ 0.409352] Modules linked in:
[ 0.409361] CPU: 0 PID: 1 Comm: swapper Tainted: G W 4.16.0-rc5 #312
[ 0.409365] Hardware name: Freescale i.MX53 (Device Tree Support)
[ 0.409375] [<c011057c>] (unwind_backtrace) from [<c010db3c>] (show_stack+0x20/0x24)
[ 0.409384] [<c010db3c>] (show_stack) from [<c07a0034>] (dump_stack+0x24/0x28)
[ 0.409393] [<c07a0034>] (dump_stack) from [<c012b524>] (__warn+0x100/0x118)
[ 0.409402] [<c012b524>] (__warn) from [<c012b62c>] (warn_slowpath_null+0x50/0x58)
[ 0.409412] [<c012b62c>] (warn_slowpath_null) from [<c04751e8>] (clk_core_unprepare+0x1a8/0x1c0)
[ 0.409423] [<c04751e8>] (clk_core_unprepare) from [<c0476714>] (clk_unprepare+0x34/0x3c)
[ 0.409434] [<c0476714>] (clk_unprepare) from [<c0b2c130>] (imx_clk_disable_uart+0x64/0x70)
[ 0.409445] [<c0b2c130>] (imx_clk_disable_uart) from [<c01029a4>] (do_one_initcall+0x64/0x19c)
[ 0.409455] [<c01029a4>] (do_one_initcall) from [<c0b00fac>] (kernel_init_freeable+0x14c/0x1e0)
[ 0.409465] [<c0b00fac>] (kernel_init_freeable) from [<c07b5a30>] (kernel_init+0x18/0x124)
[ 0.409475] [<c07b5a30>] (kernel_init) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[ 0.409480] Exception stack(0xdf90dfb0 to 0xdf90dff8)
[ 0.409486] dfa0: 00000000 00000000 00000000 00000000
[ 0.409495] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 0.409503] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 0.409508] ---[ end trace 6801852caf2a2e51 ]---
[ 0.409512] ------------[ cut here ]------------
[ 0.409521] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:811 clk_core_disable+0x1ac/0x1b0
[ 0.409524] Modules linked in:
[ 0.409533] CPU: 0 PID: 1 Comm: swapper Tainted: G W 4.16.0-rc5 #312
[ 0.409537] Hardware name: Freescale i.MX53 (Device Tree Support)
[ 0.409547] [<c011057c>] (unwind_backtrace) from [<c010db3c>] (show_stack+0x20/0x24)
[ 0.409556] [<c010db3c>] (show_stack) from [<c07a0034>] (dump_stack+0x24/0x28)
[ 0.409565] [<c07a0034>] (dump_stack) from [<c012b524>] (__warn+0x100/0x118)
[ 0.409574] [<c012b524>] (__warn) from [<c012b62c>] (warn_slowpath_null+0x50/0x58)
[ 0.409585] [<c012b62c>] (warn_slowpath_null) from [<c0475550>] (clk_core_disable+0x1ac/0x1b0)
[ 0.409596] [<c0475550>] (clk_core_disable) from [<c0475858>] (clk_core_disable_lock+0x28/0x34)
[ 0.409607] [<c0475858>] (clk_core_disable_lock) from [<c0475890>] (clk_disable+0x2c/0x30)
[ 0.409617] [<c0475890>] (clk_disable) from [<c0b2c128>] (imx_clk_disable_uart+0x5c/0x70)
[ 0.409627] [<c0b2c128>] (imx_clk_disable_uart) from [<c01029a4>] (do_one_initcall+0x64/0x19c)
[ 0.409637] [<c01029a4>] (do_one_initcall) from [<c0b00fac>] (kernel_init_freeable+0x14c/0x1e0)
[ 0.409647] [<c0b00fac>] (kernel_init_freeable) from [<c07b5a30>] (kernel_init+0x18/0x124)
[ 0.409656] [<c07b5a30>] (kernel_init) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[ 0.409661] Exception stack(0xdf90dfb0 to 0xdf90dff8)
[ 0.409668] dfa0: 00000000 00000000 00000000 00000000
[ 0.409677] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 0.409684] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 0.409689] ---[ end trace 6801852caf2a2e52 ]---
[ 0.409693] ------------[ cut here ]------------
[ 0.409702] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:684 clk_core_unprepare+0x1a8/0x1c0
[ 0.409704] Modules linked in:
[ 0.409714] CPU: 0 PID: 1 Comm: swapper Tainted: G W 4.16.0-rc5 #312
[ 0.409718] Hardware name: Freescale i.MX53 (Device Tree Support)
[ 0.409728] [<c011057c>] (unwind_backtrace) from [<c010db3c>] (show_stack+0x20/0x24)
[ 0.409737] [<c010db3c>] (show_stack) from [<c07a0034>] (dump_stack+0x24/0x28)
[ 0.409746] [<c07a0034>] (dump_stack) from [<c012b524>] (__warn+0x100/0x118)
[ 0.409755] [<c012b524>] (__warn) from [<c012b62c>] (warn_slowpath_null+0x50/0x58)
[ 0.409766] [<c012b62c>] (warn_slowpath_null) from [<c04751e8>] (clk_core_unprepare+0x1a8/0x1c0)
[ 0.409776] [<c04751e8>] (clk_core_unprepare) from [<c0476714>] (clk_unprepare+0x34/0x3c)
[ 0.409787] [<c0476714>] (clk_unprepare) from [<c0b2c130>] (imx_clk_disable_uart+0x64/0x70)
[ 0.409797] [<c0b2c130>] (imx_clk_disable_uart) from [<c01029a4>] (do_one_initcall+0x64/0x19c)
[ 0.409808] [<c01029a4>] (do_one_initcall) from [<c0b00fac>] (kernel_init_freeable+0x14c/0x1e0)
[ 0.409818] [<c0b00fac>] (kernel_init_freeable) from [<c07b5a30>] (kernel_init+0x18/0x124)
[ 0.409827] [<c07b5a30>] (kernel_init) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[ 0.409832] Exception stack(0xdf90dfb0 to 0xdf90dff8)
[ 0.409839] dfa0: 00000000 00000000 00000000 00000000
[ 0.409848] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 0.409856] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 0.409861] ---[ end trace 6801852caf2a2e53 ]---
[ 0.409865] ------------[ cut here ]------------
[ 0.409873] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:811 clk_core_disable+0x1ac/0x1b0
[ 0.409876] Modules linked in:
[ 0.409885] CPU: 0 PID: 1 Comm: swapper Tainted: G W 4.16.0-rc5 #312
[ 0.409889] Hardware name: Freescale i.MX53 (Device Tree Support)
[ 0.409899] [<c011057c>] (unwind_backtrace) from [<c010db3c>] (show_stack+0x20/0x24)
[ 0.409908] [<c010db3c>] (show_stack) from [<c07a0034>] (dump_stack+0x24/0x28)
[ 0.409917] [<c07a0034>] (dump_stack) from [<c012b524>] (__warn+0x100/0x118)
[ 0.409926] [<c012b524>] (__warn) from [<c012b62c>] (warn_slowpath_null+0x50/0x58)
[ 0.409936] [<c012b62c>] (warn_slowpath_null) from [<c0475550>] (clk_core_disable+0x1ac/0x1b0)
[ 0.409947] [<c0475550>] (clk_core_disable) from [<c0475858>] (clk_core_disable_lock+0x28/0x34)
[ 0.409958] [<c0475858>] (clk_core_disable_lock) from [<c0475890>] (clk_disable+0x2c/0x30)
[ 0.409968] [<c0475890>] (clk_disable) from [<c0b2c128>] (imx_clk_disable_uart+0x5c/0x70)
[ 0.409978] [<c0b2c128>] (imx_clk_disable_uart) from [<c01029a4>] (do_one_initcall+0x64/0x19c)
[ 0.409988] [<c01029a4>] (do_one_initcall) from [<c0b00fac>] (kernel_init_freeable+0x14c/0x1e0)
[ 0.409999] [<c0b00fac>] (kernel_init_freeable) from [<c07b5a30>] (kernel_init+0x18/0x124)
[ 0.410008] [<c07b5a30>] (kernel_init) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[ 0.410013] Exception stack(0xdf90dfb0 to 0xdf90dff8)
[ 0.410020] dfa0: 00000000 00000000 00000000 00000000
[ 0.410028] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 0.410036] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 0.410041] ---[ end trace 6801852caf2a2e54 ]---
[ 0.410045] ------------[ cut here ]------------
[ 0.410054] WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:684 clk_core_unprepare+0x1a8/0x1c0
[ 0.410056] Modules linked in:
[ 0.410066] CPU: 0 PID: 1 Comm: swapper Tainted: G W 4.16.0-rc5 #312
[ 0.410070] Hardware name: Freescale i.MX53 (Device Tree Support)
[ 0.410080] [<c011057c>] (unwind_backtrace) from [<c010db3c>] (show_stack+0x20/0x24)
[ 0.410089] [<c010db3c>] (show_stack) from [<c07a0034>] (dump_stack+0x24/0x28)
[ 0.410098] [<c07a0034>] (dump_stack) from [<c012b524>] (__warn+0x100/0x118)
[ 0.410108] [<c012b524>] (__warn) from [<c012b62c>] (warn_slowpath_null+0x50/0x58)
[ 0.410118] [<c012b62c>] (warn_slowpath_null) from [<c04751e8>] (clk_core_unprepare+0x1a8/0x1c0)
[ 0.410129] [<c04751e8>] (clk_core_unprepare) from [<c0476714>] (clk_unprepare+0x34/0x3c)
[ 0.410140] [<c0476714>] (clk_unprepare) from [<c0b2c130>] (imx_clk_disable_uart+0x64/0x70)
[ 0.410150] [<c0b2c130>] (imx_clk_disable_uart) from [<c01029a4>] (do_one_initcall+0x64/0x19c)
[ 0.410160] [<c01029a4>] (do_one_initcall) from [<c0b00fac>] (kernel_init_freeable+0x14c/0x1e0)
[ 0.410170] [<c0b00fac>] (kernel_init_freeable) from [<c07b5a30>] (kernel_init+0x18/0x124)
[ 0.410179] [<c07b5a30>] (kernel_init) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[ 0.410184] Exception stack(0xdf90dfb0 to 0xdf90dff8)
[ 0.410191] dfa0: 00000000 00000000 00000000 00000000
[ 0.410200] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 0.410208] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 0.410213] ---[ end trace 6801852caf2a2e55 ]---
[ 0.416573] EXT4-fs (mmcblk0p1): mounted filesystem without journal. Opts: (null)
[ 0.416661] VFS: Mounted root (ext4 filesystem) readonly on device 179:1.
[ 0.420559] devtmpfs: mounted
[ 0.425193] Freeing unused kernel memory: 1024K
[ 0.696469] usb 1-1: new high-speed USB device number 2 using ci_hdrc
[ 0.809863] systemd[1]: System time before build time, advancing clock.
[ 0.839865] systemd[1]: Failed to insert module 'autofs4': No such file or directory
[ 0.873145] systemd[1]: systemd 232 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN)
[ 0.873826] systemd[1]: Detected architecture arm.
[ 0.874785] systemd[1]: Set hostname to <CX9020>.
[ 0.897151] usb 1-1: New USB device found, idVendor=0424, idProduct=2514
[ 0.897168] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 0.897873] hub 1-1:1.0: USB hub found
[ 0.897991] hub 1-1:1.0: 4 ports detected
[ 1.216525] usb 1-1.1: new high-speed USB device number 3 using ci_hdrc
[ 1.360035] systemd[1]: Reached target Swap.
[ 1.360585] systemd[1]: Reached target Remote File Systems.
[ 1.360946] systemd[1]: Listening on fsck to fsckd communication Socket.
[ 1.361440] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.
[ 1.361811] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe.
[ 1.362201] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[ 1.363297] systemd[1]: Created slice System Slice.
[ 1.377182] usb 1-1.1: New USB device found, idVendor=05e3, idProduct=0610
[ 1.377198] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1.377205] usb 1-1.1: Product: USB2.0 Hub
[ 1.377211] usb 1-1.1: Manufacturer: GenesysLogic
[ 1.379076] hub 1-1.1:1.0: USB hub found
[ 1.380676] hub 1-1.1:1.0: 4 ports detected
[ 3.676492] usb 1-1.1.2: new high-speed USB device number 4 using ci_hdrc
[ 3.827769] usb 1-1.1.2: New USB device found, idVendor=0451, idProduct=8142
[ 3.827788] usb 1-1.1.2: New USB device strings: Mfr=0, Product=0, SerialNumber=1
[ 3.827796] usb 1-1.1.2: SerialNumber: 7A030869B55E
[ 3.828516] hub 1-1.1.2:1.0: USB hub found
[ 3.828753] hub 1-1.1.2:1.0: 4 ports detected
[ 3.867227] EXT4-fs (mmcblk0p1): re-mounted. Opts: errors=remount-ro
[ 4.110288] systemd-journald[91]: Received request to flush runtime journal from PID 1
[ 4.146573] usb 1-1.1.2.4: new high-speed USB device number 5 using ci_hdrc
[ 4.301003] usb 1-1.1.2.4: New USB device found, idVendor=0451, idProduct=8142
[ 4.301018] usb 1-1.1.2.4: New USB device strings: Mfr=0, Product=0, SerialNumber=1
[ 4.301026] usb 1-1.1.2.4: SerialNumber: 7A030849B55E
[ 4.301778] hub 1-1.1.2.4:1.0: USB hub found
[ 4.302002] hub 1-1.1.2.4:1.0: 4 ports detected
[ 4.616480] usb 1-1.1.2.4.3: new full-speed USB device number 6 using ci_hdrc
[ 4.790027] usb 1-1.1.2.4.3: New USB device found, idVendor=0451, idProduct=ca01
[ 4.790047] usb 1-1.1.2.4.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 4.790055] usb 1-1.1.2.4.3: Product: Texas Instruments USBtoI2C Solution
[ 4.790062] usb 1-1.1.2.4.3: Manufacturer: Texas Instruments
[ 4.790068] usb 1-1.1.2.4.3: SerialNumber:
[ 4.804574] hid-generic 0003:0451:CA01.0001: hiddev0,hidraw0: USB HID v1.00 Device [Texas Instruments Texas Instruments USBtoI2C Solution] on usb-ci_hdrc.1-1.1.2.4.3/input0
[ 4.873609] Generic PHY 63fec000.ethernet-1:01: attached PHY driver [Generic PHY] (mii_bus:phy_addr=63fec000.ethernet-1:01, irq=POLL)
[ 4.873815] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 5.106386] usb 1-1.1.2.4.2: new low-speed USB device number 7 using ci_hdrc
[ 5.266510] usb 1-1.1.2.4.2: New USB device found, idVendor=046a, idProduct=0011
[ 5.266524] usb 1-1.1.2.4.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 5.282646] input: HID 046a:0011 as /devices/platform/soc/50000000.aips/53f80200.usb/ci_hdrc.1/usb1/1-1/1-1.1/1-1.1.2/1-1.1.2.4/1-1.1.2.4.2/1-1.1.2.4.2:1.0/0003:046A:0011.0002/input/input0
[ 5.346763] hid-generic 0003:046A:0011.0002: input,hidraw1: USB HID v1.11 Keyboard [HID 046a:0011] on usb-ci_hdrc.1-1.1.2.4.2/input0
[ 6.966965] fec 63fec000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx
[ 6.967001] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 19.811909] random: crng init done
---
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