On Mon, Feb 17, 2020 at 05:18:10PM +0800, Ramuthevar, Vadivel MuruganX wrote: > On 14/2/2020 9:09 PM, Mark Brown wrote: > > This will unconditionally handle the interrupt regardless of if the > > hardware was actually flagging an interrupt which will break shared > > interrupts and the fault handling code in genirq. > Yes, you're correct, it doesn't check unconditionally, will update the > INT flag in the INT_STATUS register after successful completion of > read/write operation. > but in this case it is dedicated to qspi-interrupt,not shared with any other > HW/SW interrupts. Currently, on the system you're looking at. Given that this is already a widely reused IP there's no guarantee that this will always be the case, and like I say even without sharing it also defeats the fault handling code.
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