Hi Heiko, Heiko Stuebner <heiko@xxxxxxxxx> wrote on Fri, 06 Dec 2019 16:48:00 +0100: > Hi Miquel, > > Am Freitag, 6. Dezember 2019, 16:42:47 CET schrieb Miquel Raynal: > > PMIC interrupt can be active high or active low depending on BIT(1) of > > the GPIO_INT_CFG pin. The default is 0x1, which means active > > high. Change the polarity in the device tree to reflect the default > > state. > > > > Without this and with the current code base, the interrupt never stops > > triggering while the MFD driver does not see anything to > > check/clear/mask so after 100000 spurious IRQs, the kernel simply > > desactivates the interrupt: > > > > irq 36: nobody cared (try booting with the "irqpoll" option) > > [...] > > handlers: > > [<(____ptrval____)>] irq_default_primary_handler threaded > > [<(____ptrval____)>] regmap_irq_thread > > Disabling IRQ #36 > > > > Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx> > > *coughs slightly* > > mfd: rk808: Set RK817 interrupt polarity to low > https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git/commit/drivers/mfd/rk808.c?h=for-mfd-next&id=dbd16ef53487084816a20f662423ab543a75fc83 > > Should be in the current merge window already I guess ;-) This time I swear I checked your tree. But this time we did not ended with the same fix so I missed this one *again* :) > > Having this consistent over all rk8xx seemed nicer. I'm fine with this approach too. Thanks, Miquèl _______________________________________________ Linux-rockchip mailing list Linux-rockchip@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-rockchip
