15.12.2019 21:30, Dmitry Osipenko пишет: > Hello, > > I was investigating why CPU hangs during of GPIO driver suspend and in > the end it turned out that it is a Broadcom WiFi driver problem because > it keeps OOB wake-interrupt enabled while WLAN interface is DOWN and this > may cause a bit weird CPU hang on writing to INT_ENB register during of > GPIO driver suspend. Meanwhile I also noticed that a few things could be > improved in the driver, that's what this small series addresses. > > Dmitry Osipenko (3): > gpio: tegra: Use generic readl_relaxed/writel_relaxed accessors > gpio: tegra: Properly handle irq_set_irq_wake() error > gpio: tegra: Use NOIRQ phase for suspend/resume > > drivers/gpio/gpio-tegra.c | 21 ++++++++++----------- > 1 file changed, 10 insertions(+), 11 deletions(-) > For the reference, here is the WiFi driver fix: https://patchwork.ozlabs.org/patch/1209997/
