On Fri, Sep 27, 2019 at 5:26 AM Hui Song <hui.song_1@xxxxxxx> wrote: > From: Song Hui <hui.song_1@xxxxxxx> > > More than one gpio controllers can share one interrupt, change the > driver to request shared irq. > > While this will work, it will mess up userspace accounting of the number > of interrupts per second in tools such as vmstat. The reason is that > for every GPIO interrupt, /proc/interrupts records the count against GIC > interrupt 68 or 69, as well as the GPIO itself. So, for every GPIO > interrupt, the total number of interrupts that the system has seen > increments by two > > Signed-off-by: Laurentiu Tudor <Laurentiu.Tudor@xxxxxxx> > Signed-off-by: Alex Marginean <alexandru.marginean@xxxxxxx> > Signed-off-by: Song Hui <hui.song_1@xxxxxxx> > --- > Changes in v6: > - change request_irq to devm_request_irq and add commit message There is some build error on the patch, can you look into it? Yours, Linus Walleij
