Port recent Linux changes#9

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ben9923 wants to merge 5 commits intocoolstar:masterfrom

ben9923:clear-status-unmask

Commits on Aug 13, 2019

Clear interrupt status in mask/unmask callback
ben9923
committed

Commits on Oct 10, 2019

Commits on Oct 25, 2019

Merge branch 'master' into clear-status-unmask
ben9923
authored

Commits on Nov 1, 2019

Fix kernel panic during stop after failed initialization
ben9923
committed