On Thu, Jan 19, 2023 at 8:37 PM Heiner Kallweit <hkallweit1@xxxxxxxxx> wrote: > > > v1 and v2 also fix the issue, but v3 does not correct the bug when > > WiFi is stressed for a longer time. And therefore it should not be > > used. > > Could you please give us some advice on how to investigate this further? > > One more thought: > When checking device tree I found that my system uses IRQ_TYPE_LEVEL_HIGH > for the SDIO interrupt. meson-g12-common.dtsi uses IRQ_TYPE_EDGE_RISING > in mainline Linux, however vendor kernel uses IRQ_TYPE_LEVEL_HIGH > in meson-g12-common.dtsi. A wrong interrupt trigger type may result in > lost interrupts. > So you could check which trigger type your system uses for the SDIO interrupt. > If it's IRQ_TYPE_EDGE_RISING, re-test with IRQ_TYPE_LEVEL_HIGH. Thank you for this suggestion, this change fixes the problem fully. With the interrupt trigger type set to IRQ_TYPE_LEVEL_HIGH everything works as expected even when WiFI is stressed for a long time.
