driver misc

driver misc

driver probe函数调用callstack

[    0.073075][    T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.4.147-gac0f89dbd82d-dirty #1
[    0.073080][    T1] Hardware name: machine_xxx (DT)
[    0.073084][    T1] Call trace:
[    0.073090][    T1]  0xffffffc010086358
[    0.073097][    T1]  show_stack+0x18/0x24
[    0.073105][    T1]  dump_stack+0xb0/0x10c
[    0.073113][    T1]  ramoops_probe+0x60/0x920
[    0.073123][    T1]  platform_drv_probe+0xac/0xf8
[    0.073131][    T1]  really_probe+0x290/0x6c0
[    0.073138][    T1]  driver_probe_device+0x64/0x100
[    0.073146][    T1]  __device_attach_driver+0x12c/0x17c
[    0.073153][    T1]  bus_for_each_drv+0xa8/0x124
[    0.073160][    T1]  __device_attach.llvm.13368062525973652086+0xb8/0x154
[    0.073167][    T1]  bus_probe_device+0x40/0xf8
[    0.073173][    T1]  device_add+0x918/0xb64
[    0.073179][    T1]  of_device_add+0x38/0x48
[    0.073186][    T1]  of_platform_device_create_pdata+0xb0/0x138
[    0.073194][    T1]  of_platform_default_populate_init+0x58/0xd0
[    0.073201][    T1]  do_one_initcall+0xdc/0x398
[    0.073208][    T1]  do_initcall_level+0xc8/0x1cc
[    0.073214][    T1]  do_initcalls+0x60/0xa0
[    0.073221][    T1]  do_basic_setup+0x24/0x30
[    0.073227][    T1]  kernel_init_freeable+0xd0/0x150
[    0.073234][    T1]  kernel_init+0x18/0x2a0

标签：do,misc,probe,driver,T1,platform,device
来源： https://www.cnblogs.com/aspirs/p/16308518.html