On Mon, Mar 19, 2018 at 10:18 AM, Christ, Austin <austinwc@xxxxxxxxxxxxxx> wrote: >> What's the problem with not handling this IRQ? Does the hardware end up >> in some funky state? Are you worried that the kexec kernel will not >> function because there's a pending I2C interrupt? >> > The potential issue is that if an IRQ is left high, the secondary kernel > driver for I2C may enter a bad state trying to handle an interrupt that does > not apply to its context. In the QUP driver case, it may be less of an issue > because the probe does a soft reset of the core. Bjorn, do you still have any concerns about this patch? It seems like the right thing to do, but I want to make sure you're satisified with it, and whether it will be accepted for 4.17. -- Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.
