On Thu, Jan 21, 2016 at 08:05:24AM +0100, Lothar Waßmann wrote: > > On Wed, Jan 20, 2016 at 01:29:51PM +0100, Lothar Waßmann wrote: > > > This pin is used as IRQ pin for the LTC3589 PMIC on the Ka-Ro > > > electronics TX48 module. Make the IRQ optional in the driver and use a > > > polling routine instead if no IRQ is specified in DT. > > > Otherwise the driver will continuously generate interrupts and make > > > the system unusable. > > How will the driver generate interrupts if there is no interrupt > > physically present in the system? > It's using timer interrupts to poll the LTC3589 state. I know that is what your patch does, my question is why you say in your commit log that "Otherwise the driver will continuously generate interrupts and make the system unusable".
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