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Why not just >> delete it and use the proper api for it instead? > >Yeah, fair. The sprintf change just papers over the real issue, which >is the interface itself. > >Quick check: no Documentation/ABI/ entry, github code search returns >nothing outside the kernel tree itself >(https://github.com/search?q=scu_wakeup_irqs&type=code), and >codesearch.debian.net also shows zero hits. So removing the attribute >looks doable. > >Frank, Sascha -- any out-of-tree readers of >/sys/firmware/scu_wakeup_irqs/wakeup_src I should worry about? If >not, I'll send v2 that drops the attribute and logs the wakeup source I think it is safe to drop, thanks for working on this. Thanks Peng >via dev_info() instead. > >Stepan