On 21/10/2019 13.40, Peter Ujfalusi wrote: > > > On 17/10/2019 16.49, Sekhar Nori wrote: >> On 17/10/19 4:39 PM, Sekhar Nori wrote: >>> On 30/08/19 3:52 PM, Peter Ujfalusi wrote: >>>> The codec driver needs correct regulators in order to probe. >>>> Both VCC_3V3 and VCC_1V8 is always on fixed regulators on the board. >>>> >>>> Signed-off-by: Peter Ujfalusi <peter.ujfal...@ti.com> >>> >>> Applied for v5.4 >> >> This is breaking boot on DM365 EVM. >> >> Booting Linux on physical CPU 0x0 >> >> Linux version 5.4.0-rc1-00001-g927d10a85791-dirty (a0875516@psplinux063) >> (gcc v9 >> CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f >> >> CPU: VIVT data cache, VIVT instruction cache >> >> Machine: DaVinci DM365 EVM >> >> Memory policy: Data cache writethrough >> >> cma: Reserved 16 MiB at 0x86c00000 >> >> DaVinci dm365_rev1.1 variant 0x0 >> >> On node 0 totalpages: 32768 >> >> DMA zone: 256 pages used for memmap >> >> DMA zone: 0 pages reserved >> >> DMA zone: 32768 pages, LIFO batch:7 >> >> pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768 >> >> pcpu-alloc: [0] 0 >> >> Built 1 zonelists, mobility grouping on. Total pages: 32512 >> >> Kernel command line: console=ttyS0,115200n8 root=/dev/nfs rw >> nfsroot=172.24.210p >> Dentry cache hash table entries: 16384 (order: 4, 65536 bytes, linear) >> >> Inode-cache hash table entries: 8192 (order: 3, 32768 bytes, linear) >> >> mem auto-init: stack:off, heap alloc:off, heap free:off >> >> Memory: 106776K/131072K available (4760K kernel code, 253K rwdata, 1160K >> rodata) >> SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 >> >> rcu: Preemptible hierarchical RCU implementation. >> >> Tasks RCU enabled. >> >> rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. >> >> NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 >> >> random: get_random_bytes called from start_kernel+0x25c/0x440 with >> crng_init=0 >> clocksource: timer0_1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: >> 79s >> sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns >> >> Console: colour dummy device 80x30 >> >> Calibrating delay loop... 146.84 BogoMIPS (lpj=734208) >> >> pid_max: default: 32768 minimum: 301 >> >> Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) >> >> Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) >> >> CPU: Testing write buffer coherency: ok >> >> Setting up static identity map for 0x80008400 - 0x80008458 >> >> rcu: Hierarchical SRCU implementation. >> >> devtmpfs: initialized >> >> clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: >> 191s >> futex hash table entries: 256 (order: -1, 3072 bytes, linear) >> >> pinctrl core: initialized pinctrl subsystem >> >> NET: Registered protocol family 16 >> >> DMA: preallocated 256 KiB pool for atomic coherent allocations >> >> mux: initialized INT_EDMA_CC >> >> mux: Setting register INT_EDMA_CC >> >> mux: INTMUX (0x00000018) = 0x00000000 -> 0x00000004 >> >> cpuidle: using governor menu >> >> mux: initialized INT_EMAC_RXTHRESH >> >> mux: Setting register INT_EMAC_RXTHRESH >> >> mux: INTMUX (0x00000018) = 0x00000004 -> 0x00004004 >> >> mux: initialized INT_EMAC_RXPULSE >> >> mux: Setting register INT_EMAC_RXPULSE >> >> mux: INTMUX (0x00000018) = 0x00004004 -> 0x0000c004 >> >> mux: initialized INT_EMAC_TXPULSE >> >> mux: Setting register INT_EMAC_TXPULSE >> >> mux: INTMUX (0x00000018) = 0x0000c004 -> 0x0001c004 >> >> mux: initialized INT_EMAC_MISCPULSE >> >> mux: Setting register INT_EMAC_MISCPULSE >> >> mux: INTMUX (0x00000018) = 0x0001c004 -> 0x0003c004 >> >> EVM: tvp5146 SD video input >> >> mux: initialized INT_PRTCSS >> >> mux: Setting register INT_PRTCSS >> >> mux: INTMUX (0x00000018) = 0x0003c004 -> 0x0003c404 >> >> mux: initialized SPI0_SCLK >> >> mux: Setting register SPI0_SCLK >> >> mux: PINMUX3 (0x0000000c) = 0x015affff -> 0x115affff >> >> mux: initialized SPI0_SDI >> >> mux: Setting register SPI0_SDI >> >> mux: PINMUX3 (0x0000000c) = 0x115affff -> 0x155affff >> >> mux: initialized SPI0_SDO >> >> mux: Setting register SPI0_SDO >> >> mux: PINMUX3 (0x0000000c) = 0x155affff -> 0x175affff >> >> mux: initialized SPI0_SDENA0 >> >> mux: Setting register SPI0_SDENA0 >> >> mux: PINMUX3 (0x0000000c) = 0x175affff -> 0x375affff >> >> edma edma.0: Legacy memcpy is enabled, things might not work >> >> edma edma.0: TI EDMA DMA engine driver >> >> 8<--- cut here --- >> >> Unable to handle kernel NULL pointer dereference at virtual address 000000c0 >> >> pgd = (ptrval) >> >> [000000c0] *pgd=00000000 >> >> Internal error: Oops: 5 [#1] PREEMPT ARM >> >> Modules linked in: >> >> CPU: 0 PID: 1 Comm: swapper Not tainted 5.4.0-rc1-00001-g927d10a85791-dirty >> #146 >> Hardware name: DaVinci DM365 EVM >> >> PC is at reg_fixed_voltage_probe+0x30/0x2ec >> >> LR is at reg_fixed_voltage_probe+0x2c/0x2ec >> >> pc : [<c02a9628>] lr : [<c02a9624>] psr: 60000053 >> >> sp : c6837de0 ip : 00000000 fp : c062cfd8 >> >> r10: c05f44a8 r9 : 00000000 r8 : c68a24d0 >> >> r7 : c0631008 r6 : c68a24e0 r5 : 00000000 r4 : c68a24e0 >> >> r3 : 00000000 r2 : c065a854 r1 : 00000000 r0 : 00000000 >> >> Flags: nZCv IRQs on FIQs off Mode SVC_32 ISA ARM Segment none >> >> Control: 0005317f Table: 80004000 DAC: 00000053 >> >> Process swapper (pid: 1, stack limit = 0x(ptrval)) >> >> Stack: (0xc6837de0 to 0xc6838000) >> >> 7de0: c689be40 c0167044 00000000 c68f4720 c68f4660 c68f4660 c68f4720 >> c689be40 >> 7e00: c0575ca4 64d9cb0d 00000000 c68a24e0 00000000 c065a854 c065a854 >> 00000000 >> 7e20: 00000000 c05f44a8 c062cfd8 c02e0a64 c68a24e0 c0688d00 00000000 >> c02dec54 >> 7e40: c68a24e0 c065a854 c065a854 c0631008 ffffe000 c061e828 c05f44a8 >> c02def44 >> 7e60: 00000000 ffffff08 ffff0a00 c68a24e0 00000000 c065a854 c0631008 >> ffffe000 >> 7e80: c061e828 c05f44a8 c062cfd8 c02df1f8 00000000 c065a854 c68a24e0 >> c02df258 >> 7ea0: c68337b0 c065a854 c02df200 c02dced4 c061e828 c681db90 c68337b0 >> 64d9cb0d >> 7ec0: c062cfd8 c065a854 c682af00 c065ea48 00000000 c02de070 c054f984 >> c0494cc0 >> 7ee0: c065a854 c065a854 c0631008 c060b098 00000000 c02dfb04 c066d5c0 >> c0631008 >> 7f00: c060b098 c000a624 0000007f c7fffea8 c05d00c4 00000000 c7fffee9 >> c00372e0 >> 7f20: c05cf6d8 c0549714 00000000 00000004 00000004 00000000 00000000 >> c7fffee2 >> 7f40: c7fffee5 64d9cb0d 00000000 0000007f c061e844 64d9cb0d 0000007f >> c061e848 >> 7f60: 00000005 c066d5c0 c066d5c0 c05f4e6c 00000004 00000004 00000000 >> c05f44a8 >> 7f80: 00000000 00000000 c04a71bc 00000000 00000000 00000000 00000000 >> 00000000 >> 7fa0: 00000000 c04a71c4 00000000 c00090e0 00000000 00000000 00000000 >> 00000000 >> 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 >> 00000000 >> 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 >> 00000000 >> [<c02a9628>] (reg_fixed_voltage_probe) from [<c02e0a64>] >> (platform_drv_probe+0x) >> [<c02e0a64>] (platform_drv_probe) from [<c02dec54>] >> (really_probe+0x1e0/0x34c) >> [<c02dec54>] (really_probe) from [<c02def44>] >> (driver_probe_device+0x5c/0x168) >> [<c02def44>] (driver_probe_device) from [<c02df1f8>] >> (device_driver_attach+0x58) >> [<c02df1f8>] (device_driver_attach) from [<c02df258>] >> (__driver_attach+0x58/0xc) >> [<c02df258>] (__driver_attach) from [<c02dced4>] >> (bus_for_each_dev+0x70/0xb4) >> [<c02dced4>] (bus_for_each_dev) from [<c02de070>] >> (bus_add_driver+0x194/0x1cc) >> [<c02de070>] (bus_add_driver) from [<c02dfb04>] (driver_register+0x74/0x108) >> >> [<c02dfb04>] (driver_register) from [<c000a624>] >> (do_one_initcall+0x6c/0x1d8) >> [<c000a624>] (do_one_initcall) from [<c05f4e6c>] >> (kernel_init_freeable+0x10c/0x) >> [<c05f4e6c>] (kernel_init_freeable) from [<c04a71c4>] (kernel_init+0x8/0xec) >> >> [<c04a71c4>] (kernel_init) from [<c00090e0>] (ret_from_fork+0x14/0x34) >> >> Exception stack(0xc6837fb0 to 0xc6837ff8) >> >> 7fa0: 00000000 00000000 00000000 >> 00000000 >> 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 >> 00000000 >> 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000 >> >> Code: e5920018 e58d3024 eb02b71e e3a03000 (e59090c0) >> >> ---[ end trace 90e87368a248f7f6 ]--- >> >> Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b > > Interesting. > Something has changed in regulators core which causes crash when not > booted with DT? > > It did worked when I have sent the patches. I'll take a look what might > be the issue. can this be the fix: https://lkml.org/lkml/2019/9/21/199 ? > > Same for the dma644x > > - Péter > > Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. > Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-ker...@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > - Péter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
