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SubjectRe: [PATCH v2 00/18] CSI2RX support on J721E
On 27/05/21 03:42PM, Tomi Valkeinen wrote:
> Hi Pratyush,
>
> On 26/05/2021 18:22, Pratyush Yadav wrote:
> > Hi,
> >
> > This series adds support for CSI2 capture on J721E. It includes some
> > fixes to the Cadence CSI2RX driver, adds Rx support to Cadence DPHY
> > driver, and finally adds the TI CSI2RX wrapper driver.
> >
> > Tested on TI's J721E with OV5640 sensor.
>
> I'm having some trouble unloading and reloading the modules:
>
> rmmod ti_cal
> rmmod j721e_csi2rx
> rmmod cdns_csi2rx
> rmmod cdns_dphy
> rmmod ov5640

I did some basic module insertion/removal testing but I didn't try
removing the sensor module. I will check and see what the problem is.

> [ 37.943128] ------------[ cut here ]------------
> [ 37.947752] WARNING: CPU: 1 PID: 628 at drivers/media/v4l2-core/v4l2-ctrls-core.c:1807 __v4l2_ctrl_handler_setup+0x15c/0x170
> [ 37.958963] Modules linked in: ov5640(-) v4l2_fwnode tidss ti_tfp410 tc358767 display_connector cdns_mhdp8546 panel_simple drm_kms_helper drm drm_panel_orientation_quirks cfbfill
> rect cfbimgblt cfbcopyarea phy_j721e_wiz phy_cadence_torrent [last unloaded: cdns_dphy]
> [ 37.982455] CPU: 1 PID: 628 Comm: rmmod Not tainted 5.13.0-rc1-00205-g93acc23badc8 #3
> [ 37.990271] Hardware name: Texas Instruments K3 J721E SoC (DT)
> [ 37.996090] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--)
> [ 38.002085] pc : __v4l2_ctrl_handler_setup+0x15c/0x170
> [ 38.007214] lr : __v4l2_ctrl_handler_setup+0x158/0x170
> [ 38.012343] sp : ffff80001476fae0
> [ 38.015648] x29: ffff80001476fae0 x28: ffff000806780000 x27: 0000000000000000
> [ 38.022781] x26: ffff00080300b448 x25: ffff000804ad4ac0 x24: 0000000000000001
> [ 38.029912] x23: 0000000000000000 x22: 0000000000000005 x21: ffff000801fa7880
> [ 38.037043] x20: ffff000801fa7888 x19: ffff000801fa7ba8 x18: 0000000000000000
> [ 38.044173] x17: 0000000000000000 x16: 0000000000000010 x15: 0000000000000001
> [ 38.051305] x14: 000000000000003b x13: 00000000aaaaaaab x12: ffff800011a915b8
> [ 38.058436] x11: 00000000000c001c x10: 000000008260a2b7 x9 : ffff800009362d9c
> [ 38.065566] x8 : ffff800011887100 x7 : 0000000000000000 x6 : 0000000000000001
> [ 38.072698] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff800011260000
> [ 38.079829] x2 : 00000000000000c0 x1 : 00000000000000c0 x0 : 0000000000000000
> [ 38.086960] Call trace:
> [ 38.089399] __v4l2_ctrl_handler_setup+0x15c/0x170
> [ 38.094181] ov5640_resume+0x1fc/0x270 [ov5640]
> [ 38.098709] __rpm_callback+0x98/0x160
> [ 38.102452] rpm_callback+0x2c/0x90
> [ 38.105934] rpm_resume+0x45c/0x6f4
> [ 38.109415] __pm_runtime_resume+0x54/0xc0
> [ 38.113503] __device_release_driver+0x40/0x240
> [ 38.118025] driver_detach+0xd0/0x160
> [ 38.121680] bus_remove_driver+0x68/0xe0
> [ 38.125595] driver_unregister+0x3c/0x6c
> [ 38.129509] i2c_del_driver+0x64/0xb0
> [ 38.133166] ov5640_i2c_driver_exit+0x1c/0xc948 [ov5640]
> [ 38.138469] __arm64_sys_delete_module+0x1b0/0x27c
> [ 38.143251] invoke_syscall+0x50/0x120
> [ 38.146995] el0_svc_common.constprop.0+0x68/0x104
> [ 38.151777] do_el0_svc+0x30/0x9c
> [ 38.155086] el0_svc+0x2c/0x54
> [ 38.158135] el0_sync_handler+0x1a8/0x1ac
> [ 38.162136] el0_sync+0x198/0x1c0
> [ 38.165444] irq event stamp: 11302
> [ 38.168837] hardirqs last enabled at (11301): [<ffff800010bf4e40>] _raw_spin_unlock_irq+0x50/0xa0
> [ 38.177781] hardirqs last disabled at (11302): [<ffff800010be7a64>] el1_dbg+0x24/0xa0
> [ 38.185595] softirqs last enabled at (10378): [<ffff800010010ba0>] __do_softirq+0x500/0x6bc
> [ 38.194017] softirqs last disabled at (10373): [<ffff80001005d4c4>] __irq_exit_rcu+0x1d4/0x1e0
> [ 38.202614] ---[ end trace 7037324a951cb149 ]---
> rmmod v4l2_fwnode
> insmod /root/nfs/work/linux/drivers/media/v4l2-core/v4l2-fwnode.ko
> insmod /root/nfs/work/linux/drivers/phy/cadence/cdns-dphy.ko
> insmod /root/nfs/work/linux/drivers/media/platform/cadence/cdns-csi2rx.ko
> ERROR: Unhandled External Abort received on 0x80000001 from S-EL1
> ERROR: exception reason=0 syndrome=0xbf000000
> Unhandled Exception from EL1
> x0 = 0x0000000000000000
> x1 = 0xffff000804d59800
> x2 = 0xffff8000146c4000
> x3 = 0xffff800011260000
> x4 = 0x0000000000000001
> x5 = 0x0000000000000001
> x6 = 0x0000000000000001
> x7 = 0x0000000000000000
> x8 = 0xffff800011887100
> x9 = 0xffff800010bf5190
> x10 = 0x000000008260a2b7
> x11 = 0x00000000000c821d
> x12 = 0xffff800011a915b8
> x13 = 0x0000000000000001
> x14 = 0x0000000000000000
> x15 = 0x0000000000000020
> x16 = 0x0000000000000000
> x17 = 0x0000000000000000
> x18 = 0x00000000fffffffb
> x19 = 0xffff000806d44c00
> x20 = 0x0000000000000000
> x21 = 0xffff800009280058
> x22 = 0xffff00080583c810
> x23 = 0xffff00080583c800
> x24 = 0xffff800009280058
> x25 = 0x0000000000000047
> x26 = 0xffff8000116d71d8
> x27 = 0xffff800009280350
> x28 = 0xffff800009280148
> x29 = 0xffff80001432f850
> x30 = 0xffff8000092506b8
> scr_el3 = 0x000000000000073d
> sctlr_el3 = 0x0000000030cd183f
> cptr_el3 = 0x0000000000000000
> tcr_el3 = 0x0000000080803520
> daif = 0x00000000000002c0
> mair_el3 = 0x00000000004404ff
> spsr_el3 = 0x0000000000000005
> elr_el3 = 0xffff80000925043c
> ttbr0_el3 = 0x0000000070010b00
> esr_el3 = 0x00000000bf000000
> far_el3 = 0x0000000000000000
> spsr_el1 = 0x0000000060000005
> elr_el1 = 0xffff800010be8cb0
> spsr_abt = 0x0000000000000000
> spsr_und = 0x0000000000000000
> spsr_irq = 0x0000000000000000
> spsr_fiq = 0x0000000000000000
> sctlr_el1 = 0x0000000034d4d91d
> actlr_el1 = 0x0000000000000000
> cpacr_el1 = 0x0000000000300000
> csselr_el1 = 0x0000000000000000
> sp_el1 = 0xffff80001432f850
> esr_el1 = 0x0000000056000000
> ttbr0_el1 = 0x0000000882773200
> ttbr1_el1 = 0x06d8000083180000
> mair_el1 = 0x000c0400bb44ffff
> amair_el1 = 0x0000000000000000
> tcr_el1 = 0x00000034f5d07590
> tpidr_el1 = 0xffff80086e790000
> tpidr_el0 = 0x0000ffff895c6910
> tpidrro_el0 = 0x0000000000000000
> par_el1 = 0x0000000000000000
> mpidr_el1 = 0x0000000080000001
> afsr0_el1 = 0x0000000000000000
> afsr1_el1 = 0x0000000000000000
> contextidr_el1 = 0x0000000000000000
> vbar_el1 = 0xffff800010011000
> cntp_ctl_el0 = 0x0000000000000005
> cntp_cval_el0 = 0x000000023f77b7a1
> cntv_ctl_el0 = 0x0000000000000000
> cntv_cval_el0 = 0x0000000000000000
> cntkctl_el1 = 0x00000000000000d6
> sp_el0 = 0x000000007000abd0
> isr_el1 = 0x0000000000000040
> dacr32_el2 = 0x0000000000000000
> ifsr32_el2 = 0x0000000000000000
> cpuectlr_el1 = 0x0000001b00000040
> cpumerrsr_el1 = 0x0000000000000000
> l2merrsr_el1 = 0x0000000000000000

--
Regards,
Pratyush Yadav
Texas Instruments Inc.

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