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If we are just extending a workaround to apply to more > platforms, that is not a bug fix of the workaround. It is more of a new platform > enabling patch. Indeed, if you send this patch as a backported fix to older > kernels, those older trees might not support the new platform. Which is > therefore unnecessary backport work and extra confusion because the tree is now > claiming to support a platform which it actually does not. Possibly not. Just intending to send this to the current mainline 6.17 with backport not necessary. The workaround would still apply if ever loaded with older kernel.