On Wed, Jan 16, 2019 at 04:35:57PM +0100, Bartosz Golaszewski wrote: > From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> > > Nested interrupts run inside the calling thread's context and the top > half handler is never called which means that we never read the > timestamp. > > This issue came up when trying to read line events from a gpiochip > using regmap_irq_chip for interrupts. > > Fix it by reading the timestamp from the irq thread function if it's > still 0 by the time the second handler is called. > > Fixes: d58f2bf261fd ("gpio: Timestamp events in hardirq handler") > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> > --- > Hi Sasha, > > this is a backport for v4.19.y series. The original patch didn't apply > due to a conflict. What is the git commit id for this patch in Linus's tree? thanks, greg k-h