boot switch to partitions #0, OK mmc0 is current device ** Unable to read file boot.scr ** 23620096 bytes read in 1014 ms (22.2 MiB/s) Booting from mmc ... 43282 bytes read in 20 ms (2.1 MiB/s) ## Flattened Device Tree blob at 43000000 Booting using the fdt blob at 0x43000000 Using Device Tree in place at 0000000043000000, end 000000004300d911 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.14.98+g5910884 (industrialpc@industrialpc) (gcc version 7.3.0 (GCC)) #6 SMP PREEMPT Wed Oct 7 13:59:58 IST 2020 [ 0.000000] Boot CPU: AArch64 Processor [410fd034] [ 0.000000] Machine model: FSL i.MX8MM EVK board [ 0.000000] earlycon: ec_imx6q0 at MMIO 0x0000000030880000 (options '115200') [ 0.000000] bootconsole [ec_imx6q0] enabled [ 0.000000] efi: Getting EFI parameters from FDT: [ 0.000000] efi: UEFI not found. [ 0.000000] Reserved memory: created CMA memory pool at 0x0000000078000000, size 640 MiB [ 0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool [ 0.000000] NUMA: No NUMA configuration found [ 0.000000] NUMA: Faking a node at [mem 0x0000000000000000-0x00000000bfffffff] [ 0.000000] NUMA: NODE_DATA [mem 0xbffbee80-0xbffc0c7f] [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000] Normal empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000040000000-0x00000000b7ffffff] [ 0.000000] node 0: [mem 0x00000000b8400000-0x00000000bfffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000] psci: probing for conduit method from DT. [ 0.000000] psci: PSCIv1.1 detected in firmware. [ 0.000000] psci: Using standard PSCI v0.2 function IDs [ 0.000000] psci: MIGRATE_INFO_TYPE not supported. [ 0.000000] psci: SMC Calling Convention v1.1 [ 0.000000] percpu: Embedded 24 pages/cpu @ffff80007ff89000 s57624 r8192 d32488 u98304 [ 0.000000] Detected VIPT I-cache on CPU0 [ 0.000000] CPU features: enabling workaround for ARM erratum 845719 [ 0.000000] Speculative Store Bypass Disable mitigation not required [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 515072 [ 0.000000] Policy zone: DMA [ 0.000000] Kernel command line: console=ttymxc2,115200 earlycon=ec_imx6q,0x30880000,115200 root=/dev/mmcblk1p2 rootwait rw [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] Memory: 1380848K/2093056K available (13820K kernel code, 1818K rwdata, 6112K rodata, 1280K init, 435K bss, 56848K reserved, 655360K cma-reserved) [ 0.000000] Virtual kernel memory layout: [ 0.000000] modules : 0xffff000000000000 - 0xffff000008000000 ( 128 MB) [ 0.000000] vmalloc : 0xffff000008000000 - 0xffff7dffbfff0000 (129022 GB) [ 0.000000] .text : 0xffff000008080000 - 0xffff000008e00000 ( 13824 KB) [ 0.000000] .rodata : 0xffff000008e00000 - 0xffff000009400000 ( 6144 KB) [ 0.000000] .init : 0xffff000009400000 - 0xffff000009540000 ( 1280 KB) [ 0.000000] .data : 0xffff000009540000 - 0xffff000009706a00 ( 1819 KB) [ 0.000000] .bss : 0xffff000009706a00 - 0xffff000009773640 ( 436 KB) [ 0.000000] fixed : 0xffff7dfffe7f9000 - 0xffff7dfffec00000 ( 4124 KB) [ 0.000000] PCI I/O : 0xffff7dfffee00000 - 0xffff7dffffe00000 ( 16 MB) [ 0.000000] vmemmap : 0xffff7e0000000000 - 0xffff800000000000 ( 2048 GB maximum) [ 0.000000] 0xffff7e0000000000 - 0xffff7e0002000000 ( 32 MB actual) [ 0.000000] memory : 0xffff800000000000 - 0xffff800080000000 ( 2048 MB) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.000000] Preemptible hierarchical RCU implementation. [ 0.000000] RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 0.000000] Tasks RCU enabled. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0 [ 0.000000] GICv3: GIC: Using split EOI/Deactivate mode [ 0.000000] GICv3: no VLPI support, no direct LPI support [ 0.000000] ITS: No ITS available, not enabling LPIs [ 0.000000] GICv3: CPU0: found redistributor 0 region 0:0x0000000038880000 [ 0.000000] i.MX8MM clock driver init done [ 0.000000] arch_timer: cp15 timer(s) running at 8.00MHz (phys). [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x1d854df40, max_idle_ns: 440795202120 ns [ 0.000003] sched_clock: 56 bits at 8MHz, resolution 125ns, wraps every 2199023255500ns [ 0.008480] system counter timer init [ 0.011758] sched_clock: 56 bits at 8MHz, resolution 125ns, wraps every 2199023255500ns [ 0.019776] clocksource: imx sysctr: mask: 0xffffffffffffff max_cycles: 0x1d854df40, max_idle_ns: 440795202120 ns [ 0.030963] Console: colour dummy device 80x25 [ 0.034606] Calibrating delay loop (skipped), value calculated using timer frequency.. 16.00 BogoMIPS (lpj=32000) [ 0.044899] pid_max: default: 32768 minimum: 301 [ 0.049590] Security Framework initialized [ 0.054166] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes) [ 0.061078] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.067930] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes) [ 0.074656] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes) [ 0.097880] ASID allocator initialised with 32768 entries [ 0.105882] Hierarchical SRCU implementation. [ 0.114334] Cannot find MU entry in device tree [ 0.116132] CPU identified as i.MX8MM, silicon rev 1.0 [ 0.121802] EFI services will not be available. [ 0.133755] smp: Bringing up secondary CPUs ... [ 0.161879] Detected VIPT I-cache on CPU1 [ 0.161904] GICv3: CPU1: found redistributor 1 region 0:0x00000000388a0000 [ 0.161931] CPU1: Booted secondary processor [410fd034] [ 0.162007] smp: Brought up 1 node, 2 CPUs [ 0.179454] SMP: Total of 2 processors activated. [ 0.184171] CPU features: detected feature: GIC system register CPU interface [ 0.191353] CPU features: detected feature: 32-bit EL0 Support [ 0.197209] CPU features: detected feature: Kernel page table isolation (KPTI) [ 0.207796] CPU: All CPU(s) started at EL2 [ 0.209054] alternatives: patching kernel code [ 0.214489] devtmpfs: initialized [ 0.221600] random: get_random_u32 called from bucket_table_alloc+0x108/0x260 with crng_init=0 [ 0.227877] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.237226] futex hash table entries: 512 (order: 4, 65536 bytes) [ 0.257980] pinctrl core: initialized pinctrl subsystem [ 0.261592] DMI not present or invalid. [ 0.264529] NET: Registered protocol family 16 [ 0.272758] cpuidle: using governor menu [ 0.274588] vdso: 2 pages (1 code @ ffff000008e06000, 1 data @ ffff000009544000) [ 0.281550] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. [ 0.293486] DMA: preallocated 256 KiB pool for atomic allocations [ 0.297875] Serial: AMBA PL011 UART driver [ 0.301007] imx rpmsg driver is registered. [ 0.308428] imx8mm-pinctrl 30330000.pinctrl: initialized IMX pinctrl driver [ 0.353092] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.363472] ACPI: Interpreter disabled. [ 0.366222] vgaarb: loaded [ 0.367401] SCSI subsystem initialized [ 0.371970] usbcore: registered new interface driver usbfs [ 0.376650] usbcore: registered new interface driver hub [ 0.381837] usbcore: registered new device driver usb [ 0.387184] usb_phy_generic usbphynop1: usbphynop1 supply vcc not found, using dummy regulator [ 0.395728] usb_phy_generic usbphynop2: usbphynop2 supply vcc not found, using dummy regulator [ 0.408374] bd71837 0-004b: Device ID=0xA1 [ 0.409619] bd71837 0-004b: gpio_intr = 3 [ 0.413755] bd71837 0-004b: chip_irq=66 [ 0.423124] bd71837-pmic bd71837-pmic: regulator register name 'buck1' [ 0.443265] bd71837-pmic bd71837-pmic: regulator register name 'buck2' [ 0.463284] bd71837-pmic bd71837-pmic: regulator register name 'buck3' [ 0.479323] bd71837-pmic bd71837-pmic: regulator register name 'buck4' [ 0.495333] bd71837-pmic bd71837-pmic: regulator register name 'buck5' [ 0.511364] bd71837-pmic bd71837-pmic: regulator register name 'buck6' [ 0.527397] bd71837-pmic bd71837-pmic: regulator register name 'buck7' [ 0.543416] bd71837-pmic bd71837-pmic: regulator register name 'buck8' [ 0.559442] bd71837-pmic bd71837-pmic: regulator register name 'ldo1' [ 0.583490] bd71837-pmic bd71837-pmic: regulator register name 'ldo2' [ 0.595494] bd71837-pmic bd71837-pmic: regulator register name 'ldo3' [ 0.619552] bd71837-pmic bd71837-pmic: regulator register name 'ldo4' [ 0.643593] bd71837-pmic bd71837-pmic: regulator register name 'ldo5' [ 0.655620] bd71837-pmic bd71837-pmic: regulator register name 'ldo6' [ 0.679658] bd71837-pmic bd71837-pmic: regulator register name 'ldo7' [ 0.702323] i2c i2c-0: IMX I2C adapter registered [ 0.704201] i2c i2c-0: can't use DMA, using PIO instead. [ 0.706301] BD71837:bd71837_pmic_interrupt() in. [ 0.710156] i2c i2c-1: IMX I2C adapter registered [ 0.718339] BD71837:IRQ_WDOG [ 0.718893] i2c i2c-1: can't use DMA, using PIO instead. [ 0.727644] pca953x 2-0020: 2-0020 supply vcc not found, using dummy regulator [ 0.738521] pca953x 2-0020: failed reading register [ 0.740940] i2c i2c-2: IMX I2C adapter registered [ 0.745329] i2c i2c-2: can't use DMA, using PIO instead. [ 0.751693] media: Linux media interface: v0.10 [ 0.755213] Linux video capture interface: v2.00 [ 0.759939] pps_core: LinuxPPS API ver. 1 registered [ 0.764804] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.774003] PTP clock support registered [ 0.778120] EDAC MC: Ver: 3.0.0 [ 0.781280] dmi: Firmware registration failed. [ 0.786128] Advanced Linux Sound Architecture Driver Initialized. [ 0.792107] Bluetooth: Core ver 2.22 [ 0.795260] NET: Registered protocol family 31 [ 0.799720] Bluetooth: HCI device and connection manager initialized [ 0.806107] Bluetooth: HCI socket layer initialized [ 0.811003] Bluetooth: L2CAP socket layer initialized [ 0.816085] Bluetooth: SCO socket layer initialized [ 0.821654] clocksource: Switched to clocksource arch_sys_counter [ 0.827214] VFS: Disk quotas dquot_6.6.0 [ 0.831085] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.838051] pnp: PnP ACPI: disabled [ 0.846381] NET: Registered protocol family 2 [ 0.848291] TCP established hash table entries: 16384 (order: 5, 131072 bytes) [ 0.855351] TCP bind hash table entries: 16384 (order: 6, 262144 bytes) [ 0.862041] TCP: Hash tables configured (established 16384 bind 16384) [ 0.868471] UDP hash table entries: 1024 (order: 3, 32768 bytes) [ 0.874458] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes) [ 0.881021] NET: Registered protocol family 1 [ 0.889523] RPC: Registered named UNIX socket transport module. [ 0.892620] RPC: Registered udp transport module. [ 0.897341] RPC: Registered tcp transport module. [ 0.902063] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.909238] hw perfevents: enabled with armv8_pmuv3 PMU driver, 7 counters available [ 0.916643] kvm [1]: 8-bit VMID [ 0.920237] kvm [1]: GICv3: no GICV resource entry [ 0.924292] kvm [1]: disabling GICv2 emulation [ 0.928768] kvm [1]: GIC system register CPU interface enabled [ 0.934651] kvm [1]: vgic interrupt IRQ1 [ 0.938605] kvm [1]: Hyp mode initialized successfully [ 0.945902] audit: initializing netlink subsys (disabled) [ 0.949217] audit: type=2000 audit(0.812:1): state=initialized audit_enabled=0 res=1 [ 0.957108] workingset: timestamp_bits=44 max_order=19 bucket_order=0 [ 0.968600] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 0.972247] NFS: Registering the id_resolver key type [ 0.976706] Key type id_resolver registered [ 0.980951] Key type id_legacy registered [ 0.984938] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 0.991663] jffs2: version 2.2. (NAND) 2001-2006 Red Hat, Inc. [ 0.998168] 9p: Installing v9fs 9p2000 file system support [ 1.007558] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 244) [ 1.012155] io scheduler noop registered [ 1.016199] io scheduler cfq registered (default) [ 1.020807] io scheduler mq-deadline registered [ 1.025571] io scheduler kyber registered [ 1.041028] imx-sdma 30bd0000.dma-controller: no iram assigned, using external mem [ 1.047680] imx-sdma 30bd0000.dma-controller: Falling back to user helper [ 1.054520] imx-sdma 302c0000.dma-controller: no iram assigned, using external mem [ 1.067974] imx-sdma 302b0000.dma-controller: no iram assigned, using external mem [ 1.078751] mxs-dma 33000000.dma-apbh: initialized [ 1.082550] Bus freq driver module loaded [ 1.091370] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.097251] SuperH (H)SCI(F) driver initialized [ 1.100120] 30860000.serial: ttymxc0 at MMIO 0x30860000 (irq = 29, base_h` ?h i YRH I q&)SMMWk?q+W h P5R &)SMMWk?q+W h P5R \\lPk}T?`堃l TR &)SS u???J ?"l TR ?}??"???JDDDTR 1.137502] adv7511 1-003d: 1-003d supply avdd not found, using dummy regulator [ 1.144966] adv7511 1-003d: 1-003d supply dvdd not found, using dummy regulator [ 1.152327] adv7511 1-003d: 1-003d supply pvdd not found, using dummy regulator [ 1.159690] adv7511 1-003d: 1-003d supply a2vdd not found, using dummy regulator [ 1.167121] adv7511 1-003d: 1-003d supply v3p3 not found, using dummy regulator [ 1.174477] adv7511 1-003d: 1-003d supply v1p2 not found, using dummy regulator [ 1.182332] adv7511 1-003d: Probe failed. Remote port '/mipi_dsi@32E10000' disabled [ 1.192792] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 1.199459] [drm] No driver support for vblank timestamp query. [ 1.205462] imx-drm display-subsystem: bound imx-lcdif-crtc.0 (ops lcdif_crtc_ops) [ 1.213057] [drm] Cannot find any crtc or sizes [ 1.217832] [drm] Initialized imx-drm 1.0.0 20120507 for display-subsystem on minor 0 [ 1.230170] loop: module loaded [ 1.237043] fsl-flexspi 30bb0000.flexspi: n25q00a (131072 Kbytes) [ 1.244162] slram: not enough parameters. [ 1.250504] spidev spi0.0: buggy DT: spidev listed directly in DT [ 1.256666] ------------[ cut here ]------------ [ 1.261292] WARNING: CPU: 1 PID: 1 at drivers/spi/spidev.c:730 spidev_probe+0x200/0x238 [ 1.269294] Modules linked in: [ 1.272353] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.14.98+g5910884 #6 [ 1.279138] Hardware name: FSL i.MX8MM EVK board (DT) [ 1.284188] task: ffff80007a388000 task.stack: ffff000008068000 [ 1.290107] PC is at spidev_probe+0x200/0x238 [ 1.294464] LR is at spidev_probe+0x1fc/0x238 [ 1.298820] pc : [] lr : [] pstate: 40000045 [ 1.306213] sp : ffff00000806b8d0 [ 1.309526] x29: ffff00000806b8d0 x28: ffff000009528fb8 [ 1.314839] x27: 0000000000000000 x26: 0000000000000000 [ 1.320152] x25: 0000000000000000 x24: 0000000000000000 [ 1.325465] x23: 0000000000000000 x22: ffff0000096571e0 [ 1.330777] x21: 0000000000000000 x20: ffff80007aaca000 [ 1.336090] x19: ffff000008f7de90 x18: 0000000000000010 [ 1.341403] x17: 0000000000000001 x16: 0000000000000019 [ 1.346715] x15: ffffffffffffffff x14: ffff000089714547 [ 1.352028] x13: ffff000009714555 x12: 0000000000000020 [ 1.357341] x11: 0101010101010101 x10: 7f7f7f7f7f7f7f7f [ 1.362654] x9 : 02fefeff01fefeff x8 : 7f7f7f7f7f7f7f7f [ 1.367966] x7 : fefefeff75646368 x6 : 0000000080808080 [ 1.373279] x5 : 8080808000000000 x4 : 0000000000000000 [ 1.378592] x3 : ffff000008f7e1b0 x2 : 0000000000007a85 [ 1.383905] x1 : ffff80007a388000 x0 : 0000000000000000 [ 1.389218] Call trace: [ 1.391665] Exception stack(0xffff00000806b790 to 0xffff00000806b8d0) [ 1.398105] b780: 0000000000000000 ffff80007a388000 [ 1.405935] b7a0: 0000000000007a85 ffff000008f7e1b0 0000000000000000 8080808000000000 [ 1.413764] b7c0: 0000000080808080 fefefeff75646368 7f7f7f7f7f7f7f7f 02fefeff01fefeff [ 1.421593] b7e0: 7f7f7f7f7f7f7f7f 0101010101010101 0000000000000020 ffff000009714555 [ 1.429422] b800: ffff000089714547 ffffffffffffffff 0000000000000019 0000000000000001 [ 1.437252] b820: 0000000000000010 ffff000008f7de90 ffff80007aaca000 0000000000000000 [ 1.445081] b840: ffff0000096571e0 0000000000000000 0000000000000000 0000000000000000 [ 1.452910] b860: 0000000000000000 0000000000000000 ffff000009528fb8 ffff00000806b8d0 [ 1.460740] b880: ffff0000087b370c ffff00000806b8d0 ffff0000087b3710 0000000040000045 [ 1.468569] b8a0: ffff000008f7de90 ffff80007aaca000 ffffffffffffffff ffff0000096571e0 [ 1.476397] b8c0: ffff00000806b8d0 ffff0000087b3710 [ 1.481276] [] spidev_probe+0x200/0x238 [ 1.486675] [] spi_drv_probe+0x78/0xc8 [ 1.491989] [] driver_probe_device+0x210/0x2d0 [ 1.497995] [] __device_attach_driver+0x9c/0xf8 [ 1.504090] [] bus_for_each_drv+0x4c/0x98 [ 1.509662] [] __device_attach+0xc0/0x138 [ 1.515234] [] device_initial_probe+0x10/0x18 [ 1.521153] [] bus_probe_device+0x94/0xa0 [ 1.526726] [] device_add+0x3b0/0x5b8 [ 1.531951] [] spi_add_device+0x130/0x1a0 [ 1.537524] [] of_register_spi_device+0x1c0/0x358 [ 1.543790] [] spi_register_controller+0x1bc/0x758 [ 1.550145] [] spi_bitbang_start+0x9c/0x150 [ 1.555891] [] spi_imx_probe+0x504/0x690 [ 1.561377] [] platform_drv_probe+0x58/0xb8 [ 1.567122] [] driver_probe_device+0x210/0x2d0 [ 1.573128] [] __driver_attach+0xbc/0xc0 [ 1.578614] [] bus_for_each_dev+0x4c/0x98 [ 1.584186] [] driver_attach+0x20/0x28 [ 1.589497] [] bus_add_driver+0x1b8/0x228 [ 1.595069] [] driver_register+0x60/0xf8 [ 1.600555] [] __platform_driver_register+0x40/0x48 [ 1.606998] [] spi_imx_driver_init+0x18/0x20 [ 1.612832] [] do_one_initcall+0x38/0x128 [ 1.618405] [] kernel_init_freeable+0x188/0x22c [ 1.624500] [] kernel_init+0x10/0x108 [ 1.629725] [] ret_from_fork+0x10/0x18 [ 1.635039] ---[ end trace fc6a8d20a7cb0a50 ]--- [ 1.639860] spi_imx 30820000.ecspi: probed [ 1.644798] spidev spi1.0: buggy DT: spidev listed directly in DT [ 1.650948] ------------[ cut here ]------------ [ 1.655573] WARNING: CPU: 1 PID: 1 at drivers/spi/spidev.c:730 spidev_probe+0x200/0x238 [ 1.663574] Modules linked in: [ 1.666633] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G W 4.14.98+g5910884 #6 [ 1.674634] Hardware name: FSL i.MX8MM EVK board (DT) [ 1.679684] task: ffff80007a388000 task.stack: ffff000008068000 [ 1.685603] PC is at spidev_probe+0x200/0x238 [ 1.689960] LR is at spidev_probe+0x1fc/0x238 [ 1.694315] pc : [] lr : [] pstate: 40000045 [ 1.701708] sp : ffff00000806b8d0 [ 1.705021] x29: ffff00000806b8d0 x28: ffff000009528fb8 [ 1.710334] x27: 0000000000000000 x26: 0000000000000000 [ 1.715647] x25: 0000000000000000 x24: 0000000000000000 [ 1.720960] x23: 0000000000000000 x22: ffff0000096571e0 [ 1.726273] x21: 0000000000000000 x20: ffff80007aacb000 [ 1.731586] x19: ffff000008f7de90 x18: 0000000000000010 [ 1.736898] x17: 0000000000000001 x16: 0000000000000019 [ 1.742211] x15: ffffffffffffffff x14: ffff000089714547 [ 1.747524] x13: ffff000009714555 x12: 0000000000000020 [ 1.752837] x11: 0101010101010101 x10: 7f7f7f7f7f7f7f7f [ 1.758150] x9 : fefefeff75646368 x8 : 7f7f7f7f7f7f7f7f [ 1.763463] x7 : 6f722b77746d686b x6 : 0000000080808080 [ 1.768776] x5 : 0000000000000000 x4 : 0000000000000000 [ 1.774088] x3 : ffff000008f7e1b0 x2 : 0000000000007afc [ 1.779401] x1 : ffff80007a388000 x0 : 0000000000000000 [ 1.784714] Call trace: [ 1.787160] Exception stack(0xffff00000806b790 to 0xffff00000806b8d0) [ 1.793600] b780: 0000000000000000 ffff80007a388000 [ 1.801430] b7a0: 0000000000007afc ffff000008f7e1b0 0000000000000000 0000000000000000 [ 1.809259] b7c0: 0000000080808080 6f722b77746d686b 7f7f7f7f7f7f7f7f fefefeff75646368 [ 1.817089] b7e0: 7f7f7f7f7f7f7f7f 0101010101010101 0000000000000020 ffff000009714555 [ 1.824918] b800: ffff000089714547 ffffffffffffffff 0000000000000019 0000000000000001 [ 1.832747] b820: 0000000000000010 ffff000008f7de90 ffff80007aacb000 0000000000000000 [ 1.840576] b840: ffff0000096571e0 0000000000000000 0000000000000000 0000000000000000 [ 1.848406] b860: 0000000000000000 0000000000000000 ffff000009528fb8 ffff00000806b8d0 [ 1.856235] b880: ffff0000087b370c ffff00000806b8d0 ffff0000087b3710 0000000040000045 [ 1.864065] b8a0: ffff000008f7de90 ffff80007aacb000 ffffffffffffffff ffff0000096571e0 [ 1.871893] b8c0: ffff00000806b8d0 ffff0000087b3710 [ 1.876771] [] spidev_probe+0x200/0x238 [ 1.882170] [] spi_drv_probe+0x78/0xc8 [ 1.887484] [] driver_probe_device+0x210/0x2d0 [ 1.893490] [] __device_attach_driver+0x9c/0xf8 [ 1.899585] [] bus_for_each_drv+0x4c/0x98 [ 1.905157] [] __device_attach+0xc0/0x138 [ 1.910729] [] device_initial_probe+0x10/0x18 [ 1.916648] [] bus_probe_device+0x94/0xa0 [ 1.922221] [] device_add+0x3b0/0x5b8 [ 1.927446] [] spi_add_device+0x130/0x1a0 [ 1.933018] [] of_register_spi_device+0x1c0/0x358 [ 1.939285] [] spi_register_controller+0x1bc/0x758 [ 1.945639] [] spi_bitbang_start+0x9c/0x150 [ 1.951386] [] spi_imx_probe+0x504/0x690 [ 1.956872] [] platform_drv_probe+0x58/0xb8 [ 1.962617] [] driver_probe_device+0x210/0x2d0 [ 1.968623] [] __driver_attach+0xbc/0xc0 [ 1.974109] [] bus_for_each_dev+0x4c/0x98 [ 1.979681] [] driver_attach+0x20/0x28 [ 1.984992] [] bus_add_driver+0x1b8/0x228 [ 1.990564] [] driver_register+0x60/0xf8 [ 1.996050] [] __platform_driver_register+0x40/0x48 [ 2.002493] [] spi_imx_driver_init+0x18/0x20 [ 2.008327] [] do_one_initcall+0x38/0x128 [ 2.013900] [] kernel_init_freeable+0x188/0x22c [ 2.019995] [] kernel_init+0x10/0x108 [ 2.025220] [] ret_from_fork+0x10/0x18 [ 2.030530] ---[ end trace fc6a8d20a7cb0a51 ]--- [ 2.035349] spi_imx 30830000.ecspi: probed [ 2.040278] spidev spi2.0: buggy DT: spidev listed directly in DT [ 2.046421] ------------[ cut here ]------------ [ 2.051046] WARNING: CPU: 1 PID: 1 at drivers/spi/spidev.c:730 spidev_probe+0x200/0x238 [ 2.059047] Modules linked in: [ 2.062107] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G W 4.14.98+g5910884 #6 [ 2.070108] Hardware name: FSL i.MX8MM EVK board (DT) [ 2.075158] task: ffff80007a388000 task.stack: ffff000008068000 [ 2.081077] PC is at spidev_probe+0x200/0x238 [ 2.085433] LR is at spidev_probe+0x1fc/0x238 [ 2.089789] pc : [] lr : [] pstate: 40000045 [ 2.097182] sp : ffff00000806b8d0 [ 2.100495] x29: ffff00000806b8d0 x28: ffff000009528fb8 [ 2.105809] x27: 0000000000000000 x26: 0000000000000000 [ 2.111122] x25: 0000000000000000 x24: 0000000000000000 [ 2.116434] x23: 0000000000000000 x22: ffff0000096571e0 [ 2.121747] x21: 0000000000000000 x20: ffff80007aacc000 [ 2.127060] x19: ffff000008f7de90 x18: 0000000000000010 [ 2.132372] x17: 0000000000000001 x16: 0000000000000019 [ 2.137685] x15: ffffffffffffffff x14: ffff000089714547 [ 2.142998] x13: ffff000009714555 x12: 0000000000000020 [ 2.148310] x11: 0101010101010101 x10: 7f7f7f7f7f7f7f7f [ 2.153623] x9 : 02fefeff01fefeff x8 : 7f7f7f7f7f7f7f7f [ 2.158936] x7 : fefefeff75646368 x6 : 0000000080808080 [ 2.164249] x5 : 8080808000000000 x4 : 0000000000000000 [ 2.169562] x3 : ffff000008f7e1b0 x2 : 0000000000007b73 [ 2.174875] x1 : ffff80007a388000 x0 : 0000000000000000 [ 2.180188] Call trace: [ 2.182635] Exception stack(0xffff00000806b790 to 0xffff00000806b8d0) [ 2.189075] b780: 0000000000000000 ffff80007a388000 [ 2.196905] b7a0: 0000000000007b73 ffff000008f7e1b0 0000000000000000 8080808000000000 [ 2.204734] b7c0: 0000000080808080 fefefeff75646368 7f7f7f7f7f7f7f7f 02fefeff01fefeff [ 2.212563] b7e0: 7f7f7f7f7f7f7f7f 0101010101010101 0000000000000020 ffff000009714555 [ 2.220392] b800: ffff000089714547 ffffffffffffffff 0000000000000019 0000000000000001 [ 2.228222] b820: 0000000000000010 ffff000008f7de90 ffff80007aacc000 0000000000000000 [ 2.236051] b840: ffff0000096571e0 0000000000000000 0000000000000000 0000000000000000 [ 2.243880] b860: 0000000000000000 0000000000000000 ffff000009528fb8 ffff00000806b8d0 [ 2.251709] b880: ffff0000087b370c ffff00000806b8d0 ffff0000087b3710 0000000040000045 [ 2.259539] b8a0: ffff000008f7de90 ffff80007aacc000 ffffffffffffffff ffff0000096571e0 [ 2.267367] b8c0: ffff00000806b8d0 ffff0000087b3710 [ 2.272245] [] spidev_probe+0x200/0x238 [ 2.277644] [] spi_drv_probe+0x78/0xc8 [ 2.282958] [] driver_probe_device+0x210/0x2d0 [ 2.288964] [] __device_attach_driver+0x9c/0xf8 [ 2.295059] [] bus_for_each_drv+0x4c/0x98 [ 2.300631] [] __device_attach+0xc0/0x138 [ 2.306203] [] device_initial_probe+0x10/0x18 [ 2.312122] [] bus_probe_device+0x94/0xa0 [ 2.317695] [] device_add+0x3b0/0x5b8 [ 2.322920] [] spi_add_device+0x130/0x1a0 [ 2.328493] [] of_register_spi_device+0x1c0/0x358 [ 2.334760] [] spi_register_controller+0x1bc/0x758 [ 2.341114] [] spi_bitbang_start+0x9c/0x150 [ 2.346860] [] spi_imx_probe+0x504/0x690 [ 2.352346] [] platform_drv_probe+0x58/0xb8 [ 2.358091] [] driver_probe_device+0x210/0x2d0 [ 2.364097] [] __driver_attach+0xbc/0xc0 [ 2.369583] [] bus_for_each_dev+0x4c/0x98 [ 2.375155] [] driver_attach+0x20/0x28 [ 2.380466] [] bus_add_driver+0x1b8/0x228 [ 2.386038] [] driver_register+0x60/0xf8 [ 2.391524] [] __platform_driver_register+0x40/0x48 [ 2.397967] [] spi_imx_driver_init+0x18/0x20 [ 2.403800] [] do_one_initcall+0x38/0x128 [ 2.409374] [] kernel_init_freeable+0x188/0x22c [ 2.415469] [] kernel_init+0x10/0x108 [ 2.420694] [] ret_from_fork+0x10/0x18 [ 2.426004] ---[ end trace fc6a8d20a7cb0a52 ]--- [ 2.432976] spi_imx 30840000.ecspi: probed [ 2.446163] libphy: Fixed MDIO Bus: probed [ 2.451741] NXP PHY: loading NXP PHY driver: [autonomous mode] [ 2.458449] tun: Universal TUN/TAP device driver, 1.6 [ 2.464837] CAN device driver interface