> > > + if (pm_runtime_suspended(i2c_imx->adapter.dev.parent)) > > > + return IRQ_NONE; > > > + > > I don't claim to understand the runtime pm stuff, but I agree to the > > previous reviewer that this smells fishy. If this is required it needs a > > comment why. > > > In fact, I agree you two reviewers' consideration. As I said, this is just to avoid system hang in worse case. > Of course, I still don't catch the worse case. So I will remove this pm stuff. So, there is a worst case where the system can hang now which is not present in the current version of this driver (i.e. before your patch)?
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