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Hi, I am working with the linux hibernation code( swsusp hibernation framework) on an ARM based custom SOC. I am using some drivers like Nand Flash Controller driver as loadable modules.
As per my understanding , during hibernation kernel calls suspend for all the drivers while creating a snapshot. During resume, after the kernel resumes the snapshot (from
late_initcall – software_resme) , the kernel calls resume for all the drivers. As nand and some other drivers do not support suspend/resume, thus they fail to work on system resume. So is it fine to call driver_unregister/driver_register during hibernation/resume
for the drivers which do not support suspend/resume. I do not want the user to manually remove/insert the drivers on suspend/resume. Regards, Ayan Kumar Halder |
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