On Sun, May 7, 2017 at 6:19 PM, Heiner Kallweit <hkallweit1@xxxxxxxxx> wrote: > This patch series is partially based on a series Jerome Brunet > submitted about half a year ago. Due to open questions this series never > made it to mainline, see https://patchwork.kernel.org/patch/9384431/ > > This new attempt uses GPIOLIB_IRQCHIP resulting in less needed code. > Included is also support for using two parent IRQs in case > of IRQ_TYPE_EDGE_BOTH, like in the vendor driver. > > Worth to be mentioned is also that I had to work around a strange > issue with spurious interrupts resulting in a deadlock. > The affected critical section in __setup_irq is executed with interrupts > disabled, nevertheless spurious GPIO IRQs result in a deadlock what > seems to indicate that they are handled on the same CPU. > I didn't find a better explanation than a possible HW flaw so far. > > The series was successfully tested on a Odroid-C2, e.g. with removing > polling for SD card insertion/removal from the mmc driver. > > Heiner Kallweit (5): > pinctrl: meson: add interrupts to pinctrl data > pinctrl: meson: document GPIO IRQ DT binding > pinctrl: meson: add DT node for GPIO IRQ on Meson GX > pinctrl: meson: add DT node for GPIO IRQ on Meson 8 / 8b > pinctrl: meson: add support for GPIO interrupts I just merged a bunch of patches from Martin Blumenstigl for this driver. Martin can you help out reviewing these patches? Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
